/* ==================== VARIABLES ==================== */
:root {
  --bg: #050507;
  --bg2: #0a0a0f;
  --bg3: #0f0f18;
  --surface: rgba(255,255,255,0.03);
  --surface2: rgba(255,255,255,0.06);
  --border: rgba(255,255,255,0.08);
  --border2: rgba(255,255,255,0.15);
  --accent: #6c63ff;
  --accent2: #8b83ff;
  --accent-glow: rgba(108,99,255,0.35);
  --accent-dim: rgba(108,99,255,0.15);
  --cyan: #00e5ff;
  --cyan-dim: rgba(0,229,255,0.15);
  --text: #f0f0f8;
  --text2: #8888aa;
  --text3: #555570;
  --success: #10b981;
  --error: #ef4444;
  --warning: #f59e0b;
  --radius: 16px;
  --radius-sm: 10px;
  --radius-xs: 6px;
  --transition: 0.25s cubic-bezier(0.4,0,0.2,1);
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --mono: 'JetBrains Mono', monospace;
}

/* ==================== RESET ==================== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
  line-height: 1.6;
}

a { color: var(--accent2); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--cyan); }
button { font-family: var(--font); cursor: pointer; border: none; outline: none; }
input, textarea { font-family: var(--font); }

/* ==================== PARTICLES ==================== */
#particles {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.6;
}

/* ==================== NOISE ==================== */
.noise {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='1'/%3E%3C/svg%3E");
  background-size: 256px 256px;
}

/* ==================== NAV ==================== */
nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  background: rgba(5,5,7,0.8);
  transition: all var(--transition);
}

.nav-inner {
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 32px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text) !important;
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: -0.02em;
}

.logo-icon {
  width: 26px;
  height: 26px;
  flex-shrink: 0;
  filter: drop-shadow(0 0 8px var(--accent-glow));
  animation: pulse-logo 3s ease-in-out infinite;
}

@keyframes pulse-logo {
  0%, 100% { filter: drop-shadow(0 0 8px var(--accent-glow)); }
  50% { filter: drop-shadow(0 0 16px var(--accent-glow)) drop-shadow(0 0 32px var(--accent-dim)); }
}

.nav-links {
  display: flex;
  gap: 4px;
  flex: 1;
}

.nav-link {
  color: var(--text2);
  font-size: 0.9rem;
  font-weight: 500;
  padding: 6px 14px;
  border-radius: var(--radius-xs);
  transition: all var(--transition);
}

.nav-link:hover {
  color: var(--text);
  background: var(--surface2);
}

.nav-auth, .nav-user {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-left: auto;
}

.user-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 700;
  color: white;
  flex-shrink: 0;
}

.username {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text);
}

/* ==================== BUTTONS ==================== */
.btn-ghost {
  background: transparent;
  color: var(--text2);
  font-size: 0.9rem;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: var(--radius-xs);
  transition: all var(--transition);
}

.btn-ghost:hover {
  color: var(--text);
  background: var(--surface2);
}

.btn-primary {
  background: var(--accent);
  color: white;
  font-size: 0.9rem;
  font-weight: 600;
  padding: 8px 20px;
  border-radius: var(--radius-xs);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.15) 0%, transparent 60%);
  opacity: 0;
  transition: opacity var(--transition);
}

.btn-primary:hover {
  background: var(--accent2);
  transform: translateY(-1px);
  box-shadow: 0 8px 24px var(--accent-glow);
}

.btn-primary:hover::before { opacity: 1; }
.btn-primary:active { transform: translateY(0); }

/* ==================== PAGES ==================== */
#app {
  position: relative;
  z-index: 2;
  padding-top: 64px;
}

.page {
  display: none;
  min-height: calc(100vh - 64px);
  animation: fadeUp 0.4s cubic-bezier(0.4,0,0.2,1) forwards;
}

.page.active { display: block; }

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ==================== HERO ==================== */
.hero {
  max-width: 760px;
  margin: 0 auto;
  padding: 80px 24px 60px;
  text-align: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent-dim);
  border: 1px solid rgba(108,99,255,0.3);
  color: var(--accent2);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  padding: 6px 14px;
  border-radius: 100px;
  margin-bottom: 32px;
  animation: fadeUp 0.5s ease forwards;
}

.badge-dot {
  width: 6px;
  height: 6px;
  background: var(--success);
  border-radius: 50%;
  animation: blink 2s ease-in-out infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

.hero-title {
  font-size: clamp(2.8rem, 7vw, 5.5rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.04em;
  margin-bottom: 20px;
}

.hero-title .line {
  display: block;
  animation: fadeUp 0.5s ease forwards;
  animation-delay: 0.1s;
  opacity: 0;
}

.hero-title .accent-line {
  animation-delay: 0.2s;
  background: linear-gradient(135deg, var(--accent) 0%, var(--cyan) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 0 40px rgba(108,99,255,0.4));
}

.hero-sub {
  font-size: 1.1rem;
  color: var(--text2);
  margin-bottom: 48px;
  animation: fadeUp 0.5s ease forwards;
  animation-delay: 0.3s;
  opacity: 0;
}

/* ==================== UPLOAD ZONE ==================== */
.upload-container {
  animation: fadeUp 0.5s ease forwards;
  animation-delay: 0.4s;
  opacity: 0;
}

.upload-zone {
  border: 2px dashed var(--border2);
  border-radius: var(--radius);
  padding: 56px 40px;
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
  background: var(--surface);
}

.upload-zone::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 0%, var(--accent-dim) 0%, transparent 70%);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.upload-zone:hover, .upload-zone.drag-over {
  border-color: var(--accent);
  background: rgba(108,99,255,0.05);
}

.upload-zone:hover::before, .upload-zone.drag-over::before { opacity: 1; }

.upload-zone.drag-over .upload-drag-overlay {
  opacity: 1;
  transform: scale(1);
}

.upload-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 16px;
  color: var(--accent);
  transition: transform 0.3s ease;
}

.upload-icon svg {
  width: 100%;
  height: 100%;
  filter: drop-shadow(0 0 12px var(--accent-glow));
}

.upload-zone:hover .upload-icon { transform: translateY(-4px); }

.upload-text {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.upload-main {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text);
}

.upload-sub {
  font-size: 0.9rem;
  color: var(--text2);
}

.upload-browse {
  color: var(--accent2);
  cursor: pointer;
  font-weight: 600;
  transition: color var(--transition);
}

.upload-browse:hover { color: var(--cyan); }

.upload-limits {
  margin-top: 12px;
  font-size: 0.78rem;
  color: var(--text3);
  font-family: var(--mono);
}

.upload-drag-overlay {
  position: absolute;
  inset: 0;
  background: rgba(108,99,255,0.15);
  backdrop-filter: blur(4px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  opacity: 0;
  transform: scale(0.98);
  transition: all 0.2s ease;
  font-size: 1rem;
  font-weight: 600;
  color: var(--accent2);
}

.drag-icon img {
  width: 48px;
  height: 48px;
  filter: drop-shadow(0 0 12px var(--accent-glow));
  animation: float 1.5s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

/* ==================== UPLOAD OPTIONS ==================== */
.upload-options {
  margin-top: 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.option-group { display: flex; flex-direction: column; gap: 8px; }
.option-group.half { flex: 1; }
.option-row { display: flex; gap: 16px; }

.option-label {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text2);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.option-pills {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.pill {
  background: var(--surface2);
  color: var(--text2);
  border: 1px solid var(--border);
  font-size: 0.82rem;
  font-weight: 600;
  font-family: var(--font);
  padding: 5px 14px;
  border-radius: 100px;
  cursor: pointer;
  transition: all var(--transition);
}

.pill:hover {
  color: var(--text);
  border-color: var(--border2);
  background: var(--surface2);
}

.pill.active {
  background: var(--accent);
  color: white;
  border-color: var(--accent);
  box-shadow: 0 0 12px var(--accent-glow);
}

.input-wrap { position: relative; }

.option-input {
  width: 100%;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius-xs);
  color: var(--text);
  font-size: 0.88rem;
  padding: 10px 14px;
  transition: all var(--transition);
  outline: none;
}

.option-input::placeholder { color: var(--text3); }

.option-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-dim);
}

/* ==================== FILE QUEUE ==================== */
.file-queue {
  margin-top: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.file-item {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  animation: slideIn 0.25s ease forwards;
  position: relative;
  overflow: hidden;
}

@keyframes slideIn {
  from { opacity: 0; transform: translateX(-10px); }
  to { opacity: 1; transform: translateX(0); }
}

.file-item-icon {
  font-size: 1.5rem;
  flex-shrink: 0;
}

.file-item-info {
  flex: 1;
  min-width: 0;
  text-align: left;
}

.file-item-name {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.file-item-size {
  font-size: 0.75rem;
  color: var(--text3);
  font-family: var(--mono);
}

.file-item-remove {
  background: transparent;
  color: var(--text3);
  border: none;
  font-size: 1.1rem;
  cursor: pointer;
  padding: 4px;
  border-radius: 4px;
  transition: all var(--transition);
  flex-shrink: 0;
}

.file-item-remove:hover {
  color: var(--error);
  background: rgba(239,68,68,0.1);
}

.file-progress {
  position: absolute;
  bottom: 0;
  left: 0;
  height: 2px;
  background: var(--accent);
  transition: width 0.3s ease;
  box-shadow: 0 0 8px var(--accent-glow);
}

.file-status {
  font-size: 0.75rem;
  font-weight: 600;
  font-family: var(--mono);
  flex-shrink: 0;
}

.file-status.uploading { color: var(--accent2); }
.file-status.done { color: var(--success); }
.file-status.error { color: var(--error); }

/* ==================== OVERALL UPLOAD PROGRESS ==================== */
.upload-progress {
  margin-top: 16px;
  padding: 14px 16px;
  background: rgba(108,99,255,0.06);
  border: 1px solid rgba(108,99,255,0.2);
  border-radius: 12px;
  animation: fadeIn 0.25s ease;
}
.up-info {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}
.up-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
  font-family: var(--mono);
}
.up-stats {
  font-size: 0.8rem;
  color: var(--text2);
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
}
.up-cancel {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text2);
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 6px;
  padding: 3px 10px;
  cursor: pointer;
  transition: color 0.15s, border-color 0.15s;
  margin-left: 8px;
}
.up-cancel:hover {
  color: #ff6b6b;
  border-color: rgba(255,107,107,0.4);
}
.up-bar {
  height: 8px;
  background: rgba(255,255,255,0.05);
  border-radius: 4px;
  overflow: hidden;
  position: relative;
}
.up-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  box-shadow: 0 0 12px var(--accent-glow);
  border-radius: 4px;
  transition: width 0.2s ease;
  position: relative;
}
.up-fill::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent 0%, rgba(255,255,255,0.3) 50%, transparent 100%);
  animation: upShimmer 1.2s linear infinite;
}
@keyframes upShimmer {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}
@keyframes fadeIn { from { opacity: 0; transform: translateY(-4px); } to { opacity: 1; transform: none; } }

/* ==================== UPLOAD BUTTON ==================== */
.btn-upload {
  margin-top: 16px;
  width: 100%;
  background: linear-gradient(135deg, var(--accent) 0%, #8b63ff 100%);
  color: white;
  font-size: 1rem;
  font-weight: 700;
  padding: 16px 32px;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  letter-spacing: -0.01em;
}

.btn-upload-icon img {
  width: 18px;
  height: 18px;
  vertical-align: middle;
  animation: spin-slow 4s linear infinite;
}

@keyframes spin-slow {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.btn-upload:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 40px var(--accent-glow);
}

.btn-upload:active { transform: translateY(0); }

.btn-shine {
  position: absolute;
  top: -50%;
  left: -60%;
  width: 40%;
  height: 200%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.15), transparent);
  transform: skewX(-20deg);
  animation: shine 3s ease infinite;
}

@keyframes shine {
  0% { left: -60%; }
  100% { left: 120%; }
}

/* ==================== UPLOAD RESULTS ==================== */
.upload-results {
  margin-top: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.result-card {
  background: var(--surface);
  border: 1px solid rgba(108,99,255,0.3);
  border-radius: var(--radius);
  padding: 20px 24px;
  display: flex;
  align-items: center;
  gap: 16px;
  animation: slideIn 0.3s ease forwards;
  position: relative;
  overflow: hidden;
}

.result-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--accent-dim) 0%, transparent 60%);
  pointer-events: none;
}

.result-icon { font-size: 2rem; flex-shrink: 0; }

.result-info { flex: 1; min-width: 0; text-align: left; }

.result-name {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.result-url {
  display: block;
  font-size: 0.78rem;
  color: var(--accent2);
  font-family: var(--mono);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  text-decoration: none;
  transition: color var(--transition);
}
.result-url:hover {
  color: var(--cyan);
  text-decoration: underline;
}

.guest-warning {
  background: linear-gradient(135deg, rgba(239,68,68,0.12) 0%, rgba(239,68,68,0.04) 100%);
  border: 1px solid rgba(239,68,68,0.35);
  border-radius: var(--radius);
  padding: 16px 20px;
  display: flex;
  align-items: flex-start;
  gap: 14px;
  color: #fca5a5;
  font-size: 0.88rem;
  line-height: 1.55;
  text-align: left;
  animation: slideIn 0.3s ease forwards;
  box-shadow: 0 0 30px rgba(239,68,68,0.08);
}
.guest-warning-icon {
  font-size: 1.4rem;
  color: var(--error);
  flex-shrink: 0;
  line-height: 1;
  margin-top: 2px;
}
.guest-warning strong {
  display: block;
  color: #fecaca;
  font-weight: 700;
  margin-bottom: 2px;
}
.guest-warning a {
  color: var(--accent2);
  text-decoration: underline;
}
.guest-warning a:hover { color: var(--cyan); }

.result-meta {
  font-size: 0.72rem;
  color: var(--text3);
  font-family: var(--mono);
  margin-top: 2px;
}

.copy-btn {
  background: var(--accent);
  color: white;
  border: none;
  border-radius: var(--radius-xs);
  padding: 8px 16px;
  font-size: 0.82rem;
  font-weight: 700;
  font-family: var(--font);
  cursor: pointer;
  transition: all var(--transition);
  flex-shrink: 0;
  white-space: nowrap;
}

.copy-btn:hover {
  background: var(--accent2);
  box-shadow: 0 4px 16px var(--accent-glow);
}

.copy-btn.copied {
  background: var(--success);
  animation: pop 0.3s ease;
}

@keyframes pop {
  0% { transform: scale(1); }
  50% { transform: scale(1.1); }
  100% { transform: scale(1); }
}

/* ==================== FEATURES ==================== */
.features {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px 80px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
}

.feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 0 0, var(--accent-dim) 0%, transparent 70%);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.feature-card:hover {
  border-color: var(--border2);
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(0,0,0,0.4);
}

.feature-card:hover::before { opacity: 1; }

.feature-icon { font-size: 1.8rem; margin-bottom: 12px; }

.feature-card h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
}

.feature-card p {
  font-size: 0.85rem;
  color: var(--text2);
  line-height: 1.6;
}

/* ==================== AUTH ==================== */
.auth-container {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: calc(100vh - 64px);
  padding: 40px 24px;
}

.auth-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 48px 40px;
  width: 100%;
  max-width: 420px;
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(20px);
}

.auth-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
}

.auth-card::after {
  content: '';
  position: absolute;
  top: -80px; left: 50%;
  transform: translateX(-50%);
  width: 200px; height: 200px;
  background: var(--accent);
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.12;
  pointer-events: none;
}

.auth-header { text-align: center; margin-bottom: 32px; }

.auth-logo {
  margin-bottom: 16px;
}
.auth-logo img {
  width: 48px;
  height: 48px;
  filter: drop-shadow(0 0 16px var(--accent-glow));
  animation: pulse-logo 3s ease-in-out infinite;
}

.auth-header h2 {
  font-size: 1.6rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text);
  margin-bottom: 6px;
}

.auth-header p { font-size: 0.9rem; color: var(--text2); }

.auth-form { display: flex; flex-direction: column; gap: 20px; }

.form-group { display: flex; flex-direction: column; gap: 8px; }

.form-group label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text2);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.form-group input {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius-xs);
  color: var(--text);
  font-size: 0.95rem;
  padding: 12px 16px;
  transition: all var(--transition);
  outline: none;
  width: 100%;
}

.form-group input::placeholder { color: var(--text3); }

.form-group input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-dim);
}

.form-group select {
  background: var(--bg2) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%2394a3b8' stroke-width='1.5' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") no-repeat right 14px center;
  border: 1px solid var(--border);
  border-radius: var(--radius-xs);
  color: var(--text);
  font-size: 0.95rem;
  padding: 12px 40px 12px 16px;
  transition: all var(--transition);
  outline: none;
  width: 100%;
  appearance: none;
  -webkit-appearance: none;
  cursor: pointer;
}

.form-group select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-dim);
}

.form-group select option {
  background: var(--bg2);
  color: var(--text);
}

.form-error {
  color: var(--error);
  font-size: 0.82rem;
  font-weight: 600;
  text-align: center;
  min-height: 20px;
}

.pwd-wrap { position: relative; }
.pwd-wrap input { padding-right: 44px; }
.pwd-toggle {
  position: absolute;
  top: 50%;
  right: 8px;
  transform: translateY(-50%);
  background: transparent;
  border: none;
  color: var(--text3);
  cursor: pointer;
  padding: 6px;
  border-radius: var(--radius-xs);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: color var(--transition);
}
.pwd-toggle:hover { color: var(--text); }
.pwd-toggle:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }

.tos-row { gap: 0; }
.tos-check {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.85rem;
  font-weight: 400;
  color: var(--text2);
  text-transform: none;
  letter-spacing: normal;
  cursor: pointer;
  line-height: 1.4;
}
.tos-check input[type="checkbox"] {
  margin-top: 2px;
  width: 16px;
  height: 16px;
  accent-color: var(--accent);
  cursor: pointer;
  flex-shrink: 0;
}
.tos-check a { color: var(--accent2); text-decoration: underline; }
.tos-check a:hover { color: var(--accent); }

.remember-me {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.85rem;
  color: var(--text2);
  cursor: pointer;
  user-select: none;
  margin-top: -4px;
}
.remember-me input { position: absolute; opacity: 0; pointer-events: none; }
.remember-box {
  width: 18px;
  height: 18px;
  border-radius: 5px;
  border: 1.5px solid var(--border2);
  background: var(--surface);
  flex-shrink: 0;
  position: relative;
  transition: all var(--transition);
}
.remember-me:hover .remember-box { border-color: var(--accent); }
.remember-me input:checked + .remember-box {
  background: var(--accent);
  border-color: var(--accent);
}
.remember-me input:checked + .remember-box::after {
  content: '';
  position: absolute;
  left: 5px;
  top: 1px;
  width: 5px;
  height: 10px;
  border: solid #fff;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

.btn-auth {
  width: 100%;
  background: linear-gradient(135deg, var(--accent) 0%, #8b63ff 100%);
  color: white;
  font-size: 0.95rem;
  font-weight: 700;
  font-family: var(--font);
  padding: 14px 24px;
  border-radius: var(--radius-xs);
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.btn-auth:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 32px var(--accent-glow);
}

.btn-auth:active { transform: translateY(0); }
.btn-auth:disabled { opacity: 0.6; pointer-events: none; }

.btn-loader {
  width: 18px; height: 18px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

.auth-footer {
  text-align: center;
  margin-top: 24px;
  font-size: 0.88rem;
  color: var(--text2);
}

.btn-google {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  padding: 12px 20px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-xs);
  color: rgba(255,255,255,0.85);
  font-size: 0.95rem;
  font-weight: 600;
  font-family: var(--font);
  text-decoration: none;
  cursor: pointer;
  transition: all 0.2s ease;
}
.btn-google:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.22);
  color: #fff;
  transform: translateY(-1px);
}

.auth-divider {
  display: flex;
  align-items: center;
  gap: 12px;
  color: rgba(255,255,255,0.2);
  font-size: 0.8rem;
}
.auth-divider::before,
.auth-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: rgba(255,255,255,0.08);
}

/* Password strength */
.password-strength {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 8px;
}

.strength-bars {
  display: flex;
  gap: 4px;
  flex: 1;
}

.sbar {
  height: 3px;
  flex: 1;
  background: var(--border);
  border-radius: 2px;
  transition: background 0.3s ease;
}

.sbar.weak { background: var(--error); }
.sbar.fair { background: var(--warning); }
.sbar.good { background: #60a5fa; }
.sbar.strong { background: var(--success); }

.strength-label {
  font-size: 0.72rem;
  color: var(--text3);
  font-family: var(--mono);
  white-space: nowrap;
}

/* ==================== DASHBOARD ==================== */
.dashboard {
  max-width: 1100px;
  margin: 0 auto;
  padding: 40px 24px 80px;
}

.dash-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 32px;
  gap: 16px;
  flex-wrap: wrap;
}

.dash-title {
  font-size: 1.8rem;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.dash-sub { font-size: 0.85rem; color: var(--text2); margin-top: 4px; }

/* Storage */
.storage-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 24px;
  margin-bottom: 24px;
}

.storage-info {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}

.storage-label { font-size: 0.8rem; font-weight: 600; color: var(--text2); text-transform: uppercase; letter-spacing: 0.08em; }

.storage-val { font-size: 0.85rem; font-family: var(--mono); color: var(--text); }

.storage-bar {
  height: 4px;
  background: var(--surface2);
  border-radius: 4px;
  overflow: hidden;
}

.storage-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--cyan));
  border-radius: 4px;
  transition: width 0.8s cubic-bezier(0.4,0,0.2,1);
  box-shadow: 0 0 8px var(--accent-glow);
}

/* File grid */
.file-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}

.loading-files {
  grid-column: 1/-1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 80px;
  gap: 16px;
  color: var(--text2);
  font-size: 0.9rem;
}

.spinner {
  width: 32px; height: 32px;
  border: 2px solid var(--border2);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

.spinner-center {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: calc(100vh - 64px);
}

.dash-file-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
  animation: fadeUp 0.3s ease forwards;
}

.dash-file-card:hover {
  border-color: var(--border2);
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(0,0,0,0.4);
}

.dash-file-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.dash-file-card:hover::before { opacity: 1; }

.dfc-icon { font-size: 2.2rem; margin-bottom: 12px; }

.dfc-name {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.dfc-meta {
  display: flex;
  gap: 12px;
  font-size: 0.72rem;
  color: var(--text3);
  font-family: var(--mono);
  margin-bottom: 14px;
  flex-wrap: wrap;
}

.dfc-actions {
  display: flex;
  gap: 8px;
}

.dfc-btn {
  flex: 1;
  background: var(--surface2);
  border: 1px solid var(--border);
  color: var(--text2);
  font-size: 0.75rem;
  font-weight: 600;
  font-family: var(--font);
  padding: 7px 10px;
  border-radius: var(--radius-xs);
  cursor: pointer;
  transition: all var(--transition);
  text-align: center;
}

.dfc-btn:hover {
  color: var(--text);
  border-color: var(--border2);
  background: var(--surface2);
}

.dfc-btn.copy:hover { color: var(--accent2); border-color: var(--accent); }
.dfc-btn.delete:hover { color: var(--error); border-color: var(--error); background: rgba(239,68,68,0.08); }

.empty-state {
  grid-column: 1/-1;
  text-align: center;
  padding: 80px 24px;
  color: var(--text2);
}

.empty-state .empty-icon { font-size: 3rem; margin-bottom: 16px; opacity: 0.5; }
.empty-state h3 { font-size: 1.1rem; font-weight: 700; color: var(--text); margin-bottom: 8px; }
.empty-state p { font-size: 0.9rem; }

.pagination {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 32px;
}

.page-btn {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text2);
  font-size: 0.85rem;
  font-weight: 600;
  font-family: var(--font);
  padding: 8px 16px;
  border-radius: var(--radius-xs);
  cursor: pointer;
  transition: all var(--transition);
}

.page-btn:hover, .page-btn.active {
  color: var(--text);
  border-color: var(--accent);
  background: var(--accent-dim);
}

/* ==================== SHARE PAGE ==================== */
.share-container {
  max-width: 560px;
  margin: 0 auto;
  padding: 60px 24px;
}

.share-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 48px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.share-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
}

.share-card::after {
  content: '';
  position: absolute;
  top: -60px; left: 50%;
  transform: translateX(-50%);
  width: 160px; height: 160px;
  background: var(--accent);
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0.1;
  pointer-events: none;
}

.share-file-icon { font-size: 4rem; margin-bottom: 16px; display: block; }

.share-file-name {
  font-size: 1.3rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text);
  margin-bottom: 8px;
  word-break: break-all;
}

.share-file-meta {
  display: flex;
  gap: 16px;
  justify-content: center;
  font-size: 0.8rem;
  color: var(--text3);
  font-family: var(--mono);
  margin-bottom: 32px;
  flex-wrap: wrap;
}

.share-meta-item {
  display: flex;
  align-items: center;
  gap: 6px;
}

.share-meta-item span:first-child { color: var(--text3); }
.share-meta-item span:last-child { color: var(--text2); }

.share-password-form {
  margin-bottom: 24px;
}

.share-password-form input {
  width: 100%;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius-xs);
  color: var(--text);
  font-size: 0.95rem;
  padding: 12px 16px;
  margin-bottom: 12px;
  outline: none;
  transition: all var(--transition);
  text-align: center;
  letter-spacing: 0.2em;
}

.share-password-form input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-dim);
}

.btn-download {
  width: 100%;
  background: linear-gradient(135deg, var(--accent) 0%, #8b63ff 100%);
  color: white;
  font-size: 1rem;
  font-weight: 700;
  font-family: var(--font);
  padding: 16px 32px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.btn-download:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 40px var(--accent-glow);
}

.btn-download:active { transform: translateY(0); }

.share-error {
  background: rgba(239,68,68,0.1);
  border: 1px solid rgba(239,68,68,0.3);
  border-radius: var(--radius-sm);
  padding: 16px 24px;
  text-align: center;
}

.share-error .err-icon { font-size: 2.5rem; margin-bottom: 12px; display: block; }
.share-error h3 { font-size: 1.1rem; font-weight: 700; color: var(--error); margin-bottom: 6px; }
.share-error p { font-size: 0.85rem; color: var(--text2); }

/* ==================== API DOCS ==================== */
.api-docs {
  max-width: 900px;
  margin: 0 auto;
  padding: 60px 24px 80px;
}

.api-header {
  margin-bottom: 32px;
}

.api-header h2 {
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  margin-bottom: 8px;
}

.api-header p { font-size: 0.9rem; color: var(--text2); }

.api-base {
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 16px 20px;
  margin-bottom: 32px;
}

.api-label { font-size: 0.75rem; font-weight: 700; color: var(--text2); text-transform: uppercase; letter-spacing: 0.08em; white-space: nowrap; }

.api-url {
  font-family: var(--mono);
  font-size: 0.88rem;
  color: var(--accent2);
}

.endpoints { display: flex; flex-direction: column; gap: 12px; }

.ep-group-label {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent2);
  padding: 8px 0 2px;
  margin-top: 8px;
  border-bottom: 1px solid var(--border);
}

.ep-group-label:first-child { margin-top: 0; }

.endpoint {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color 0.3s ease;
}

.endpoint:hover { border-color: var(--border2); }

.ep-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
}

.method {
  font-size: 0.72rem;
  font-weight: 700;
  font-family: var(--mono);
  padding: 3px 8px;
  border-radius: 4px;
  flex-shrink: 0;
}

.method.get { background: rgba(16,185,129,0.15); color: #10b981; }
.method.post { background: rgba(108,99,255,0.15); color: var(--accent2); }
.method.patch { background: rgba(245,158,11,0.15); color: #f59e0b; }
.method.delete { background: rgba(239,68,68,0.15); color: #ef4444; }

.ep-header code {
  font-family: var(--mono);
  font-size: 0.88rem;
  color: var(--text);
}

.ep-desc {
  padding: 12px 20px 4px;
  font-size: 0.85rem;
  color: var(--text2);
}

.ep-body { padding: 0 20px 16px; }

.ep-section {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--text3);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin: 14px 0 6px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.tag {
  background: var(--surface2);
  border: 1px solid var(--border);
  color: var(--text3);
  font-size: 0.65rem;
  padding: 2px 7px;
  border-radius: 100px;
  text-transform: none;
  letter-spacing: 0;
  font-weight: 500;
}

.tag.optional { color: var(--accent2); border-color: rgba(108,99,255,0.3); background: var(--accent-dim); }

pre {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius-xs);
  padding: 12px 16px;
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--text2);
  overflow-x: auto;
  line-height: 1.7;
  white-space: pre-wrap;
  word-break: break-word;
}

.code-example {
  margin-top: 32px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.code-label {
  padding: 14px 20px;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text2);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border-bottom: 1px solid var(--border);
  background: var(--surface2);
}

.code-example pre {
  border: none;
  border-radius: 0;
  margin: 0;
  background: transparent;
}

/* ==================== TOAST ==================== */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 10px;
  pointer-events: none;
}

.toast {
  background: var(--surface);
  border: 1px solid var(--border2);
  border-radius: var(--radius-sm);
  padding: 12px 18px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
  backdrop-filter: blur(16px);
  display: flex;
  align-items: center;
  gap: 10px;
  pointer-events: all;
  animation: toastIn 0.3s ease forwards;
  max-width: 320px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.4);
}

.toast.success { border-left: 3px solid var(--success); }
.toast.error { border-left: 3px solid var(--error); }
.toast.info { border-left: 3px solid var(--accent); }

@keyframes toastIn {
  from { opacity: 0; transform: translateX(20px) scale(0.95); }
  to { opacity: 1; transform: translateX(0) scale(1); }
}

@keyframes toastOut {
  from { opacity: 1; transform: translateX(0) scale(1); }
  to { opacity: 0; transform: translateX(20px) scale(0.9); }
}

/* ==================== SPEED TEST ==================== */
.speedtest-wrap {
  max-width: 560px;
  margin: 0 auto;
  padding: 60px 24px 80px;
  text-align: center;
}

.st-header { margin-bottom: 40px; }
.st-header h2 { font-size: 2rem; font-weight: 800; letter-spacing: -0.04em; margin-bottom: 6px; }
.st-header p { font-size: 0.9rem; color: var(--text2); }

/* Gauge */
.st-gauge-container {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: 32px;
}

.st-gauge {
  width: 460px;
  height: 290px;
  max-width: 100%;
  overflow: visible;
}

.gauge-track { stroke: var(--surface2); }
.gauge-fill {
  stroke: url(#gaugeGrad);
  stroke: var(--accent);
  transition: stroke-dashoffset 0.15s ease, stroke 0.3s ease;
  filter: drop-shadow(0 0 6px var(--accent-glow));
}

.st-speed-display {
  position: absolute;
  top: 62%;
  left: 50%;
  transform: translate(-50%, -50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  line-height: 1;
  pointer-events: none;
}

.st-speed-val {
  font-size: 2.6rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text);
  font-variant-numeric: tabular-nums;
  min-width: 120px;
  display: block;
  text-align: center;
  transition: color 0.3s ease;
}

@media (max-width: 520px) {
  .st-gauge { width: 100%; height: auto; aspect-ratio: 5/3; }
  .st-speed-val { font-size: 2rem; }
}

.st-speed-unit {
  font-size: 0.8rem;
  color: var(--text3);
  font-family: var(--mono);
  margin-top: 2px;
}

.st-phase-label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text2);
  margin-top: 8px;
  font-family: var(--mono);
  letter-spacing: 0.05em;
  min-height: 20px;
  transition: color 0.3s ease;
}

/* Metrics */
.st-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 28px;
}

.st-metric {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 12px;
  transition: all 0.3s ease;
}

.st-metric.active {
  border-color: var(--accent);
  background: var(--accent-dim);
  box-shadow: 0 0 20px var(--accent-glow);
}

.st-metric.done {
  border-color: rgba(16,185,129,0.4);
  background: rgba(16,185,129,0.06);
}

.st-metric-icon {
  font-size: 1.1rem;
  color: var(--text3);
  margin-bottom: 8px;
  transition: color 0.3s ease;
}

.st-metric.active .st-metric-icon { color: var(--accent2); }
.st-metric.done .st-metric-icon { color: var(--success); }

.st-metric-val {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--text);
  letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums;
  margin-bottom: 4px;
  min-height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.st-metric-label {
  font-size: 0.7rem;
  color: var(--text3);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
}

/* Progress */
.st-progress-wrap {
  margin-bottom: 24px;
}

.st-progress-bar {
  height: 3px;
  background: var(--surface2);
  border-radius: 3px;
  overflow: hidden;
  margin-bottom: 8px;
}

.st-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--cyan));
  border-radius: 3px;
  width: 0%;
  transition: width 0.3s ease;
  box-shadow: 0 0 8px var(--accent-glow);
}

.st-progress-label {
  font-size: 0.75rem;
  color: var(--text3);
  font-family: var(--mono);
}

/* Start button */
.btn-start-test {
  background: linear-gradient(135deg, var(--accent) 0%, #8b63ff 100%);
  color: white;
  font-size: 1rem;
  font-weight: 700;
  font-family: var(--font);
  padding: 16px 48px;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  letter-spacing: -0.01em;
  margin-bottom: 24px;
}

.btn-start-test:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 40px var(--accent-glow);
}

.btn-start-test:active { transform: translateY(0); }
.btn-start-test:disabled { opacity: 0.5; pointer-events: none; }

.btn-start-icon {
  font-size: 0.9rem;
  transition: transform 0.3s ease;
}

.btn-start-test:hover .btn-start-icon { transform: scale(1.2); }

.st-note {
  font-size: 0.75rem;
  color: var(--text3);
  line-height: 1.6;
  max-width: 400px;
  margin: 0 auto;
}

/* ==================== SCROLLBAR ==================== */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border2); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text3); }

/* ==================== HAMBURGER ==================== */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  margin-left: auto;
  flex-shrink: 0;
}
.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text2);
  border-radius: 2px;
  transition: all 0.2s ease;
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ==================== RESPONSIVE ==================== */
@media (max-width: 640px) {
  .hamburger { display: flex; }
  .nav-links {
    display: none;
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    flex-direction: column;
    background: rgba(5,5,7,0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    padding: 8px 16px 16px;
    z-index: 99;
    gap: 2px;
  }
  .nav-links.open { display: flex; }
  .nav-links .nav-link { padding: 10px 14px; }
  .hero { padding: 48px 16px 40px; }
  .upload-zone { padding: 36px 20px; }
  .option-row { flex-direction: column; }
  .auth-card { padding: 32px 24px; }
  .share-card { padding: 32px 24px; }
  .features { grid-template-columns: 1fr; }
  .dash-header { flex-direction: column; align-items: flex-start; }
  .file-grid { grid-template-columns: 1fr; gap: 12px; }
  .admin-stats { grid-template-columns: 1fr; }
  .admin-stat-card.disk { grid-column: span 1; }
  .modal-card { max-width: 95vw; }
  .modal-header { padding: 16px 20px; }
  .modal-body { padding: 20px; overflow-x: hidden; }
}

@media (max-width: 520px) {
  .nav-inner { gap: 12px; padding: 0 12px; }
  .upload-zone { padding: 28px 16px; }
  .dfc-meta { gap: 8px; font-size: 0.65rem; }
}

/* ==================== VERIFICATION CODE ==================== */
.code-inputs {
  display: flex;
  gap: 8px;
  justify-content: space-between;
  margin-top: 4px;
}
.code-digit {
  flex: 1;
  min-width: 0;
  height: 58px;
  text-align: center;
  font-size: 26px;
  font-weight: 700;
  font-family: 'JetBrains Mono', monospace;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 10px;
  color: #fff;
  transition: all 0.2s ease;
  caret-color: #6c63ff;
}
.code-digit:focus {
  outline: none;
  border-color: #6c63ff;
  background: rgba(108, 99, 255, 0.08);
  box-shadow: 0 0 0 3px rgba(108, 99, 255, 0.15);
}
.code-digit.filled {
  border-color: rgba(108, 99, 255, 0.4);
  background: rgba(108, 99, 255, 0.05);
}
@media (max-width: 480px) {
  .code-digit { height: 50px; font-size: 22px; }
  .code-inputs { gap: 6px; }
}

/* ==================== FORGOT / RESET ==================== */
.form-info {
  color: var(--success);
  font-size: 13px;
  margin: 8px 0;
  min-height: 18px;
}

/* ==================== ADMIN PANEL ==================== */
.admin-wrap {
  max-width: 1200px;
  margin: 0 auto;
  padding: 40px 24px 80px;
}
.admin-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 12px;
  margin: 24px 0 32px;
}
.admin-stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 18px 20px;
  transition: border-color var(--transition);
}
.admin-stat-card:hover { border-color: var(--accent-dim); }
.admin-stat-label {
  font-size: 0.72rem;
  color: var(--text3);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
}
.admin-stat-val {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--text);
  margin-top: 6px;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
}
.admin-stat-sub {
  font-size: 0.72rem;
  color: var(--text3);
  margin-top: 2px;
  font-variant-numeric: tabular-nums;
}
.admin-stat-card.disk { grid-column: span 2; }
.admin-disk-bar {
  margin-top: 10px;
  height: 6px;
  background: rgba(255,255,255,0.05);
  border-radius: 3px;
  overflow: hidden;
}
.admin-disk-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  border-radius: 3px;
  transition: width 0.3s ease;
}
.admin-disk-fill.warning { background: linear-gradient(90deg, #f59e0b, #fbbf24); }
.admin-disk-fill.critical { background: linear-gradient(90deg, #ef4444, #f87171); }
@media (max-width: 600px) { .admin-stat-card.disk { grid-column: span 1; } }
.admin-tabs {
  display: flex;
  gap: 4px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 20px;
}
#settingsModal .admin-tabs { justify-content: center; }
.admin-tab {
  background: transparent;
  color: var(--text2);
  padding: 10px 18px;
  font-size: 0.9rem;
  font-weight: 600;
  border-bottom: 2px solid transparent;
  border-radius: 0;
  transition: all var(--transition);
}
.admin-tab:hover { color: var(--text); }
.admin-tab.active {
  color: var(--accent2);
  border-bottom-color: var(--accent);
}
.admin-panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
}
.admin-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}
.admin-table th {
  background: rgba(255,255,255,0.02);
  color: var(--text3);
  font-weight: 600;
  text-align: left;
  padding: 12px 16px;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  border-bottom: 1px solid var(--border);
}
.admin-table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
  color: var(--text);
  vertical-align: middle;
}
.admin-table tr:last-child td { border-bottom: none; }
.admin-table tr:hover td { background: rgba(108,99,255,0.03); }
.admin-table .mono {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--text2);
}
.admin-badge {
  display: inline-block;
  padding: 3px 9px;
  border-radius: 999px;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.admin-badge.admin { background: rgba(239,68,68,0.15); color: #f87171; }
.admin-badge.user { background: rgba(108,99,255,0.15); color: var(--accent2); }
.admin-badge.guest { background: rgba(148,163,184,0.15); color: #94a3b8; }
.admin-badge.revoked { background: rgba(100,100,120,0.15); color: var(--text3); }
.admin-badge.active { background: rgba(16,185,129,0.15); color: var(--success); }
.admin-plan-select {
  background: rgba(10,10,15,0.6);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 8px;
  color: var(--text);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 5px 8px;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}
.admin-plan-select:hover:not(:disabled) { border-color: var(--accent); }
.admin-plan-select:focus { outline: none; border-color: var(--accent); }
.admin-plan-select:disabled { opacity: 0.55; cursor: not-allowed; }
.admin-plan-select.plan-free  { color: #94a3b8; }
.admin-plan-select.plan-basic { color: #6c63ff; border-color: rgba(108,99,255,0.3); }
.admin-plan-select.plan-pro   { color: #00e5ff; border-color: rgba(0,229,255,0.3); }
.admin-plan-lock { margin-left: 6px; font-size: 0.85rem; opacity: 0.7; }

.billing-tab { display: flex; flex-direction: column; gap: 24px; }
.billing-tab-loading { color: var(--text2); text-align: center; padding: 28px 0; font-size: 0.9rem; }
.billing-tab-card {
  background: linear-gradient(135deg, rgba(108,99,255,0.08), rgba(0,229,255,0.04));
  border: 1px solid rgba(108,99,255,0.2);
  border-radius: 14px;
  padding: 22px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.billing-tab-header {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.billing-tab-label {
  color: var(--text2);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  margin-bottom: 4px;
}
.billing-tab-plan-name { font-size: 1.6rem; font-weight: 700; color: var(--text); }
.billing-tab-plan-storage { font-size: 1.15rem; font-weight: 600; color: var(--accent2); }
.billing-tab-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  background: rgba(10,10,15,0.4);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 10px;
  font-size: 0.9rem;
}
.billing-tab-row.warn { border-color: rgba(239,68,68,0.25); background: rgba(239,68,68,0.06); }
.billing-tab-row .billing-tab-value { color: var(--text); }
.billing-tab-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.billing-tab-actions .btn-auth,
.billing-tab-actions .btn-ghost,
.billing-tab-actions .admin-btn {
  width: auto;
  padding: 10px 18px;
}
.billing-tab-footer { padding-top: 4px; }
.billing-tab-footer .btn-auth { width: auto; padding: 10px 22px; }

.billing-tab-section h4 {
  margin: 0 0 12px;
  color: var(--text);
  font-size: 0.95rem;
  font-weight: 700;
}
.billing-tab-empty {
  color: var(--text3);
  padding: 16px;
  background: rgba(10,10,15,0.4);
  border-radius: 10px;
  border: 1px dashed rgba(255,255,255,0.08);
  font-size: 0.9rem;
  text-align: center;
}
.billing-history {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}
.billing-history th,
.billing-history td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  color: var(--text);
}
.billing-history th {
  color: var(--text2);
  font-weight: 600;
  font-size: 0.72rem;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}
.billing-history tr:last-child td { border-bottom: none; }
.billing-status-pill {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 999px;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.billing-status-pill.paid { background: rgba(16,185,129,0.15); color: var(--success); }
.billing-status-pill.open { background: rgba(245,158,11,0.15); color: #fbbf24; }
.billing-status-pill.other { background: rgba(148,163,184,0.15); color: #94a3b8; }
.billing-download {
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.8rem;
}
.billing-download:hover { text-decoration: underline; }

/* Privacy page */
.privacy-wrap {
  max-width: 780px;
  margin: 0 auto;
  padding: 40px 24px 80px;
}
.privacy-header {
  text-align: center;
  margin-bottom: 40px;
}
.privacy-eyebrow {
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 10px;
}
.privacy-header h2 {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--text);
  margin: 0 0 10px;
  background: linear-gradient(135deg, #fff 0%, #c4bfff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.privacy-header p {
  color: var(--text2);
  font-size: 1rem;
  margin: 0;
}
.privacy-highlight {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 22px 26px;
  margin-bottom: 40px;
  background: linear-gradient(135deg, rgba(108,99,255,0.1), rgba(0,229,255,0.05));
  border: 1px solid rgba(108,99,255,0.25);
  border-radius: 14px;
}
.privacy-highlight-row {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text);
  font-size: 0.95rem;
  line-height: 1.5;
}
.privacy-check {
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: rgba(16,185,129,0.15);
  color: var(--success, #10b981);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
}
.privacy-section {
  margin-bottom: 32px;
}
.privacy-section h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text);
  margin: 0 0 10px;
}
.privacy-section p,
.privacy-section li {
  color: var(--text2);
  font-size: 0.95rem;
  line-height: 1.65;
}
.privacy-section p { margin: 0 0 10px; }
.privacy-section ul {
  margin: 0 0 10px;
  padding-left: 22px;
}
.privacy-section li { margin-bottom: 6px; }
.privacy-section strong { color: var(--text); font-weight: 600; }
.privacy-section a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.15s;
}
.privacy-section a:hover { border-bottom-color: var(--accent); }
.privacy-section code {
  background: rgba(108,99,255,0.12);
  border: 1px solid rgba(108,99,255,0.2);
  padding: 1px 6px;
  border-radius: 5px;
  color: var(--accent2);
  font-size: 0.85em;
}

/* Site footer */
.site-footer {
  text-align: center;
  padding: 24px 16px;
  color: var(--text3);
  font-size: 0.85rem;
  border-top: 1px solid rgba(255,255,255,0.05);
  margin-top: 40px;
}
.site-footer a {
  color: var(--text2);
  text-decoration: none;
  transition: color 0.15s;
}
.site-footer a:hover { color: var(--accent); }
.site-footer-dot {
  margin: 0 10px;
  opacity: 0.4;
}

.changelog-entries { display: flex; flex-direction: column; gap: 24px; }
.changelog-entry { border-left: 2px solid var(--border); padding-left: 16px; }
.changelog-version { font-weight: 600; font-size: 0.95rem; margin-bottom: 8px; color: var(--text1); }
.changelog-date { font-weight: 400; font-size: 0.8rem; color: var(--text2); margin-left: 8px; }
.changelog-entry ul { margin: 0; padding-left: 18px; display: flex; flex-direction: column; gap: 4px; }
.changelog-entry li { color: var(--text2); font-size: 0.9rem; line-height: 1.5; }

.admin-table tr.guest-row td {
  background: rgba(148,163,184,0.04);
  border-top: 1px solid rgba(148,163,184,0.15);
  border-bottom: 1px solid rgba(148,163,184,0.15);
}
.admin-btn.active { background: var(--accent-dim); color: var(--accent2); }
.admin-btn:disabled { opacity: 0.4; cursor: not-allowed; }
.admin-actions {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}
.admin-btn {
  background: var(--surface2);
  color: var(--text);
  padding: 5px 11px;
  font-size: 0.75rem;
  border-radius: 6px;
  transition: all var(--transition);
}
.admin-btn:hover { background: var(--accent-dim); color: var(--accent2); }
.admin-btn.danger:hover { background: rgba(239,68,68,0.15); color: #f87171; }
.admin-empty {
  padding: 48px 20px;
  text-align: center;
  color: var(--text3);
}
.admin-toolbar {
  display: flex;
  gap: 10px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
  background: rgba(255,255,255,0.02);
  flex-wrap: wrap;
}
.admin-toolbar input, .admin-toolbar select {
  background: var(--surface2);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 7px 11px;
  border-radius: 6px;
  font-size: 0.85rem;
}
.admin-toolbar input:focus, .admin-toolbar select:focus {
  outline: none;
  border-color: var(--accent);
}
.admin-toolbar .btn-primary {
  padding: 7px 14px;
  font-size: 0.85rem;
}
.admin-scroll {
  overflow-x: auto;
  max-width: 100%;
}
.admin-user-picker {
  position: relative;
}
.admin-user-dropdown {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  z-index: 200;
  background: #1a1a2e;
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.7);
  min-width: 220px;
  overflow: hidden;
}
.admin-user-dropdown input {
  width: 100%;
  padding: 9px 12px;
  background: #13131f;
  border: none;
  border-bottom: 1px solid var(--border);
  color: var(--text);
  font-size: 0.82rem;
  box-sizing: border-box;
}
.admin-user-dropdown input:focus { outline: none; border-bottom-color: var(--accent); }
.admin-user-list {
  max-height: 220px;
  overflow-y: auto;
}
.admin-user-item {
  padding: 8px 12px;
  font-size: 0.82rem;
  cursor: pointer;
  color: var(--text);
  background: #1a1a2e;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: background 0.1s;
}
.admin-user-item:hover, .admin-user-item.selected { background: var(--accent-dim); color: var(--accent2); }
.admin-user-item .uname { font-weight: 600; }
.admin-user-item .ucount { margin-left: auto; color: var(--text3); font-size: 0.75rem; }
.key-reveal {
  background: linear-gradient(135deg, rgba(16,185,129,0.08), rgba(108,99,255,0.08));
  border: 1px solid rgba(16,185,129,0.3);
  padding: 16px 20px;
  border-radius: 10px;
  margin: 12px 16px;
}
.key-reveal-label {
  font-size: 0.72rem;
  color: var(--success);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 700;
  margin-bottom: 8px;
}
.key-reveal-value {
  font-family: var(--mono);
  font-size: 0.92rem;
  background: rgba(0,0,0,0.3);
  padding: 10px 14px;
  border-radius: 6px;
  color: var(--text);
  word-break: break-all;
  user-select: all;
}
.key-reveal-hint {
  font-size: 0.78rem;
  color: var(--text2);
  margin-top: 8px;
}
@media (max-width: 720px) {
  .admin-table th, .admin-table td { padding: 10px 12px; font-size: 0.78rem; }
}

/* ── Modals (shared) ── */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.65);
  backdrop-filter: blur(8px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  animation: modalFade 0.18s ease;
}
@keyframes modalFade { from { opacity: 0; } to { opacity: 1; } }
.modal-card {
  width: 100%;
  max-width: 460px;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  animation: modalPop 0.22s cubic-bezier(0.16, 1, 0.3, 1);
  max-height: 92vh;
  display: flex;
  flex-direction: column;
}
@keyframes modalPop {
  from { opacity: 0; transform: translateY(16px) scale(0.97); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}
.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
}
.modal-header h3 { margin: 0; font-size: 1.1rem; }
.modal-close {
  background: transparent;
  color: var(--text2);
  font-size: 1.6rem;
  line-height: 1;
  width: 32px;
  height: 32px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
  flex-shrink: 0;
}
.modal-close:hover { background: rgba(255,255,255,0.07); color: var(--text); }
.modal-body { padding: 24px; overflow-y: auto; }

/* ── Settings modal – full redesign ── */
#settingsModal { padding: 16px; }
.sett-card {
  width: min(88vw, 1100px);
  height: min(84vh, 760px);
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  display: flex;
  flex-direction: row;
  overflow: hidden;
  position: relative;
  animation: modalPop 0.22s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Close button */
.sett-close {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: none;
  background: transparent;
  color: var(--text3);
  font-size: 1.3rem;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition), color var(--transition);
  z-index: 100;
  padding: 0;
  font-weight: 600;
}
.sett-close:hover { background: var(--accent-dim); color: var(--accent2); }
.sett-close:active { transform: scale(0.95); }

/* Sidebar */
.sett-sidebar {
  width: 220px;
  flex-shrink: 0;
  background: rgba(255,255,255,0.015);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  min-height: 0;
}
.sett-sidebar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 22px 16px 16px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
.sett-sidebar-logo {
  flex-shrink: 0;
}
.sett-sidebar-logo img {
  width: 20px;
  height: 20px;
  filter: drop-shadow(0 0 6px var(--accent-glow));
  vertical-align: middle;
}
.sett-sidebar-title {
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--text);
  white-space: nowrap;
}
.sett-nav {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 10px 8px;
  overflow-y: auto;
  min-height: 0;
}
.sett-nav::-webkit-scrollbar {
  width: 6px;
}
.sett-nav::-webkit-scrollbar-track {
  background: transparent;
}
.sett-nav::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 3px;
}
.sett-nav::-webkit-scrollbar-thumb:hover {
  background: var(--text3);
}
.sett-nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  color: var(--text2);
  font-size: 0.875rem;
  font-weight: 500;
  background: transparent;
  text-align: left;
  cursor: pointer;
  transition: all var(--transition);
  width: 100%;
  border: none;
  flex-shrink: 0;
  white-space: nowrap;
}
.sett-nav-item svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  stroke: currentColor;
}
.sett-nav-item:hover {
  background: var(--surface2);
  color: var(--text);
}
.sett-nav-item.active {
  background: var(--accent-dim);
  color: var(--accent2);
  font-weight: 600;
}

/* Content area */
.sett-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  min-width: 0;
}
.sett-tab-body {
  flex: 1;
  overflow-y: auto;
  padding: 32px;
}

/* Profile tab */
.sett-profile-layout {
  display: flex;
  gap: 48px;
  align-items: flex-start;
}
.sett-avatar-col {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex-shrink: 0;
}
.sett-profile-info {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.sett-info-row {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 13px 0;
  border-bottom: 1px solid var(--border);
}
.sett-info-row:first-child { border-top: 1px solid var(--border); }
.sett-info-label {
  width: 80px;
  flex-shrink: 0;
  font-size: 0.8rem;
  color: var(--text3);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
}
.sett-info-value { font-size: 0.95rem; color: var(--text); font-weight: 500; }

/* Forms inside settings */
.sett-form { max-width: 460px; }
.sett-btn { max-width: 220px; }

/* Section (security tab) */
.sett-section { max-width: 560px; }
.sett-section-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border);
}
.sett-section-title { font-size: 0.95rem; font-weight: 600; color: var(--text); }

@media (max-width: 680px) {
  .sett-card { width: 96vw; height: 90vh; flex-direction: column; }
  .sett-sidebar { width: 100%; height: auto; border-right: none; border-bottom: 1px solid var(--border); }
  .sett-nav { flex-direction: row; padding: 8px; overflow-x: auto; }
  .sett-nav-item { white-space: nowrap; width: auto; }
  .sett-profile-layout { flex-direction: column; gap: 28px; }
  .sett-btn { max-width: 100%; }
}
.user-avatar { overflow: hidden; flex-shrink: 0; }
.nav-user-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: var(--text);
  font-size: inherit;
  font-weight: 600;
  padding: 4px 10px 4px 4px;
  border-radius: 20px;
  cursor: pointer;
  transition: all var(--transition);
}
.nav-user-btn:hover { background: var(--bg2); color: var(--accent2); }
.nav-user-btn:hover .user-avatar { filter: brightness(1.1); }
.sett-avatar-preview {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: #6366f1;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  font-weight: 700;
  color: #fff;
  overflow: hidden;
  border: 3px solid var(--border);
  box-shadow: 0 0 0 4px var(--accent-dim);
}

.key-reveal {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius-xs);
  padding: 12px;
}
.key-reveal-value {
  flex: 1;
  font-family: 'Courier New', monospace;
  font-size: 0.85rem;
  color: var(--accent2);
  word-break: break-all;
  user-select: all;
}

/* Share page preview */
.share-preview {
  max-width: 680px;
  margin: 0 auto 24px;
  text-align: center;
}

/* Dashboard zip checkbox */
.zip-select-label {
  position: absolute;
  top: 10px;
  left: 10px;
  z-index: 2;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}
.zip-select-label input[type="checkbox"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}
.zip-check-box {
  width: 18px;
  height: 18px;
  border-radius: 5px;
  border: 2px solid var(--border);
  background: var(--surface);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color 0.15s, background 0.15s;
  flex-shrink: 0;
}
.zip-check-box::after {
  content: '';
  width: 5px;
  height: 9px;
  border: 2px solid transparent;
  border-top: none;
  border-left: none;
  transform: rotate(45deg) translateY(-1px);
  transition: border-color 0.1s;
}
.zip-select-label input:checked ~ .zip-check-box {
  background: var(--accent);
  border-color: var(--accent);
}
.zip-select-label input:checked ~ .zip-check-box::after {
  border-color: #fff;
}
.zip-select-label:hover .zip-check-box {
  border-color: var(--accent);
}
.dash-file-card { position: relative; }

.admin-empty {
  text-align: center;
  padding: 48px 24px;
  color: var(--text2);
}

/* ==================== BILLING ==================== */
.billing-wrap {
  max-width: 1200px;
  margin: 0 auto;
  padding: 100px 24px 80px;
  position: relative;
  z-index: 2;
}
.billing-header {
  text-align: center;
  margin-bottom: 48px;
}
.billing-header h2 {
  font-size: clamp(36px, 5vw, 52px);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 12px;
  background: linear-gradient(135deg, var(--text) 0%, var(--accent2) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.billing-header p {
  color: var(--text2);
  font-size: 1.05rem;
}
.billing-loading {
  text-align: center;
  padding: 40px;
  color: var(--text2);
}
.billing-warning {
  text-align: center;
  padding: 32px;
  background: rgba(245, 158, 11, 0.08);
  border: 1px solid rgba(245, 158, 11, 0.3);
  color: var(--warning);
  border-radius: var(--radius);
}
.billing-current {
  display: flex;
  gap: 32px;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 32px;
  margin-bottom: 48px;
}
.billing-current-label {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text3);
  margin-bottom: 4px;
}
.billing-current-name,
.billing-current-storage,
.billing-current-renewal {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text);
}
.billing-current-name {
  background: linear-gradient(135deg, var(--accent) 0%, var(--cyan) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.billing-bonus {
  font-size: 0.78rem;
  color: var(--success);
  margin-top: 2px;
}
.billing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  margin-bottom: 48px;
}
.billing-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
  position: relative;
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
}
.billing-card:hover {
  transform: translateY(-4px);
  border-color: var(--border2);
}
.billing-card.featured {
  border-color: var(--accent);
  background: linear-gradient(180deg, rgba(108,99,255,0.08) 0%, var(--surface) 100%);
  box-shadow: 0 0 40px rgba(108,99,255,0.15);
}
.billing-card.featured:hover {
  box-shadow: 0 10px 50px rgba(108,99,255,0.3);
  border-color: var(--accent2);
}
.billing-card.current {
  border-color: var(--cyan);
  background: linear-gradient(180deg, rgba(0,229,255,0.06) 0%, var(--surface) 100%);
}
.billing-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--accent) 0%, var(--cyan) 100%);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 6px 14px;
  border-radius: 100px;
  white-space: nowrap;
}
.billing-current-tag {
  position: absolute;
  top: 16px;
  right: 16px;
  background: var(--cyan-dim);
  color: var(--cyan);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 4px 10px;
  border-radius: 6px;
}
.billing-plan-name {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 12px;
}
.billing-plan-price {
  margin-bottom: 6px;
}
.billing-plan-price .price-main {
  font-size: 2.4rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text);
}
.billing-plan-price .price-period {
  font-size: 1rem;
  color: var(--text2);
  margin-left: 4px;
}
.billing-plan-storage {
  color: var(--accent2);
  font-family: var(--mono);
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 24px;
}
.billing-features {
  list-style: none;
  margin: 0 0 28px;
  padding: 0;
  flex-grow: 1;
}
.billing-features li {
  padding: 8px 0;
  font-size: 0.88rem;
  color: var(--text2);
  display: flex;
  align-items: flex-start;
  gap: 10px;
}
.billing-features li:first-child { border-top: none; }
.billing-features li .feat-icon { flex-shrink: 0; font-weight: 700; margin-top: 1px; }
.billing-features li.feature-no { opacity: 0.5; }
.billing-card .btn-auth,
.billing-card .btn-ghost {
  width: 100%;
  padding: 12px 18px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all var(--transition);
}
.btn-auth-alt {
  background: var(--surface2) !important;
  border: 1px solid var(--border2) !important;
  color: var(--text) !important;
  box-shadow: none !important;
}
.btn-auth-alt:hover {
  background: var(--surface) !important;
  border-color: var(--accent) !important;
}
.billing-current .btn-ghost {
  padding: 10px 18px;
  border-radius: var(--radius-sm);
}
.billing-footer {
  text-align: center;
  color: var(--text2);
  font-size: 0.9rem;
}

.billing-custom {
  margin-top: 40px;
  padding: 32px;
  background: linear-gradient(135deg, rgba(108, 99, 255, 0.06) 0%, rgba(0, 229, 255, 0.04) 100%);
  border: 1px solid rgba(108, 99, 255, 0.2);
  border-radius: 18px;
}
.billing-custom-head {
  margin-bottom: 22px;
  text-align: center;
}
.billing-custom-head h3 {
  margin: 0 0 6px;
  font-size: 1.35rem;
  color: var(--text);
  font-weight: 700;
}
.billing-custom-head p {
  margin: 0;
  color: var(--text2);
  font-size: 0.95rem;
}
.billing-custom-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-width: 640px;
  margin: 0 auto;
}
.billing-custom-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.billing-custom-row > label,
.billing-custom-full {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.billing-custom-form label > span {
  color: var(--text2);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}
.billing-custom-form label > span em.opt {
  color: rgba(255, 255, 255, 0.3);
  font-weight: 500;
  font-style: normal;
  text-transform: none;
  letter-spacing: 0;
  margin-left: 4px;
}
.billing-custom-form input,
.billing-custom-form textarea {
  background: rgba(10, 10, 15, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 10px;
  padding: 12px 14px;
  color: var(--text);
  font-size: 0.95rem;
  font-family: inherit;
  transition: border-color 0.15s, background 0.15s;
}
.billing-custom-form input:focus,
.billing-custom-form textarea:focus {
  outline: none;
  border-color: var(--accent);
  background: rgba(10, 10, 15, 0.85);
}
.billing-custom-form textarea {
  resize: vertical;
  min-height: 80px;
}
.billing-custom-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 4px;
  flex-wrap: wrap;
}
.billing-custom-actions .btn-auth {
  width: auto;
  padding: 12px 28px;
}
.billing-custom-hint {
  color: var(--text2);
  font-size: 0.85rem;
}
@media (max-width: 640px) {
  .billing-custom { padding: 22px; }
  .billing-custom-row { grid-template-columns: 1fr; }
}