/* ============ RESET ============ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

/* CRITICAL: [hidden] must beat any display rule */
[hidden] { display: none !important; }

:root {
  --bg:        #07070f;
  --bg-2:      #0d0d1c;
  --surface:   rgba(255,255,255,0.04);
  --surface-2: rgba(255,255,255,0.06);
  --border:    rgba(255,255,255,0.08);
  --text:      #eef0f6;
  --text-dim:  #8f93a8;
  --accent:    #7c5cff;
  --accent-2:  #22d3ee;
  --accent-3:  #f472b6;
  --danger:    #ff5470;
  --success:   #34d399;
  --radius:    18px;
  --radius-sm: 12px;
  --font:      'Space Grotesk', system-ui, sans-serif;
  --mono:      'JetBrains Mono', monospace;
}

html, body {
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  -webkit-font-smoothing: antialiased;
  overflow: hidden;
}

/* ================================================
   SPLASH SCREEN
   ================================================ */
.splash {
  position: fixed; inset: 0; z-index: 9999;
  display: flex; align-items: center; justify-content: center;
  background: radial-gradient(circle at 50% 40%, #131033 0%, #07070f 70%);
  overflow: hidden;
  transition: opacity .6s ease, visibility .6s ease;
}
.splash.hide { opacity: 0; visibility: hidden; pointer-events: none; }

.splash-bg { position: absolute; inset: 0; overflow: hidden; }
.splash-orb {
  position: absolute; border-radius: 50%;
  filter: blur(90px); opacity: 0.55;
  animation: splashFloat 10s ease-in-out infinite;
}
.splash-orb-1 { width: 340px; height: 340px; background: #7c5cff; top: 10%; left: 10%; }
.splash-orb-2 { width: 280px; height: 280px; background: #22d3ee; bottom: 8%; right: 8%; animation-delay: -3s; }
.splash-orb-3 { width: 220px; height: 220px; background: #f472b6; top: 60%; left: 55%; animation-delay: -6s; opacity: 0.35; }

@keyframes splashFloat {
  0%, 100% { transform: translate(0,0) scale(1); }
  50%      { transform: translate(30px,-20px) scale(1.15); }
}

.splash-content {
  position: relative; z-index: 2;
  display: flex; flex-direction: column;
  align-items: center; gap: 20px;
  padding: 0 30px;
  text-align: center;
}

.splash-logo {
  position: relative;
  width: 100px; height: 100px;
  display: grid; place-items: center;
  border-radius: 28px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff;
  box-shadow: 0 20px 60px rgba(124,92,255,0.55), inset 0 2px 0 rgba(255,255,255,0.3);
  animation: splashLogoPop 0.7s cubic-bezier(.22,1.4,.36,1) both;
}
.splash-logo svg { width: 48px; height: 48px; z-index: 2; }

.splash-ring {
  position: absolute; inset: -14px;
  border-radius: 34px;
  border: 2px solid rgba(124,92,255,0.4);
  animation: splashRing 2s ease-out infinite;
}
.splash-ring-2 { inset: -26px; border-color: rgba(34,211,238,0.3); animation-delay: 1s; }

@keyframes splashLogoPop {
  0%   { opacity: 0; transform: scale(0.3) rotate(-15deg); }
  60%  { opacity: 1; transform: scale(1.1) rotate(4deg); }
  100% { opacity: 1; transform: scale(1) rotate(0deg); }
}
@keyframes splashRing {
  0%   { opacity: 0.8; transform: scale(0.9); }
  100% { opacity: 0;   transform: scale(1.35); }
}

.splash-title {
  display: flex; gap: 2px;
  font-size: 40px; font-weight: 700; letter-spacing: -0.02em;
  margin-top: 6px;
}
.splash-letter {
  display: inline-block;
  background: linear-gradient(120deg, #fff 30%, #b9a8ff 60%, #7ee7ff 100%);
  -webkit-background-clip: text; background-clip: text;
  color: transparent;
  animation: splashLetterIn 0.6s cubic-bezier(.22,1.4,.36,1) both;
  animation-delay: calc(0.35s + var(--i) * 0.06s);
}
.splash-letter-space { width: 10px; }

@keyframes splashLetterIn {
  0%   { opacity: 0; transform: translateY(30px) rotate(-8deg); filter: blur(6px); }
  100% { opacity: 1; transform: translateY(0) rotate(0); filter: blur(0); }
}

.splash-tag {
  font-size: 13px; color: var(--text-dim);
  letter-spacing: 0.2em; text-transform: uppercase;
  animation: splashFade 0.7s ease both;
  animation-delay: 1s;
}

.splash-progress {
  width: 200px; height: 3px;
  background: rgba(255,255,255,0.08);
  border-radius: 3px; overflow: hidden;
  margin-top: 16px;
  animation: splashFade 0.7s ease both;
  animation-delay: 1.15s;
}
.splash-progress-bar {
  height: 100%; width: 0%;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  border-radius: 3px;
  animation: splashProgress 1.6s cubic-bezier(.4,0,.2,1) forwards;
  animation-delay: 1.2s;
}
@keyframes splashProgress {
  0%   { width: 0%; }
  40%  { width: 55%; }
  70%  { width: 82%; }
  100% { width: 100%; }
}

.splash-credit {
  font-size: 11px; color: var(--text-dim); opacity: 0.7;
  margin-top: 8px; letter-spacing: 0.05em;
  animation: splashFade 0.7s ease both;
  animation-delay: 1.6s;
}
.splash-credit strong { color: var(--text); font-weight: 500; opacity: 0.9; }

@keyframes splashFade {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ============ ANIMATED BG ============ */
.bg-layer {
  position: fixed; inset: 0;
  overflow: hidden; z-index: 0;
  background: radial-gradient(circle at 20% 10%, #131033 0%, transparent 50%),
              radial-gradient(circle at 80% 90%, #0d2a3a 0%, transparent 55%),
              linear-gradient(180deg, #07070f, #0a0a18);
}
.orb { position: absolute; border-radius: 50%; filter: blur(80px); opacity: 0.5; animation: float 18s ease-in-out infinite; }
.orb-1 { width: 420px; height: 420px; background: #7c5cff; top: -120px; left: -100px; }
.orb-2 { width: 360px; height: 360px; background: #22d3ee; bottom: -120px; right: -80px; animation-delay: -6s; }
.orb-3 { width: 300px; height: 300px; background: #f472b6; top: 40%; left: 55%; animation-delay: -12s; opacity: 0.35; }

@keyframes float {
  0%, 100% { transform: translate(0,0) scale(1); }
  33%      { transform: translate(40px,-30px) scale(1.08); }
  66%      { transform: translate(-30px,40px) scale(0.95); }
}

.grain {
  position: absolute; inset: 0;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='140' height='140'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/><feColorMatrix values='0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 0.05 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
  opacity: 0.6; mix-blend-mode: overlay;
}

/* ============ APP SHELL ============ */
.app-shell {
  position: relative; z-index: 1;
  max-width: 460px;
  height: 100dvh;
  margin: 0 auto;
  background: linear-gradient(180deg, rgba(12,12,26,0.75), rgba(7,7,15,0.9));
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-left: 1px solid var(--border);
  border-right: 1px solid var(--border);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
@media (min-width: 520px) {
  .app-shell { box-shadow: 0 0 80px rgba(124,92,255,0.15), 0 0 200px rgba(34,211,238,0.06); }
}

.view { display: none; flex-direction: column; height: 100%; }
.view.active { display: flex; animation: viewIn 0.45s cubic-bezier(.22,1,.36,1); }
@keyframes viewIn { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: translateY(0); } }

/* ============ GLASS ============ */
.glass-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

/* ============ LOGIN ============ */
.login-wrap {
  flex: 1; display: flex; flex-direction: column;
  justify-content: center; gap: 28px;
  padding: 40px 26px;
  animation: viewIn 0.6s cubic-bezier(.22,1,.36,1);
}
.brand { text-align: center; }
.brand-mark {
  width: 68px; height: 68px; margin: 0 auto 14px;
  display: grid; place-items: center; border-radius: 20px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 10px 40px rgba(124,92,255,0.45), inset 0 1px 0 rgba(255,255,255,0.25);
  animation: pulse 3.5s ease-in-out infinite;
}
.brand-mark svg { width: 34px; height: 34px; color: #fff; }
@keyframes pulse {
  0%,100% { box-shadow: 0 10px 40px rgba(124,92,255,0.45), inset 0 1px 0 rgba(255,255,255,0.25); }
  50%     { box-shadow: 0 10px 60px rgba(124,92,255,0.75), inset 0 1px 0 rgba(255,255,255,0.35); }
}
.brand-title {
  font-size: 30px; font-weight: 700; letter-spacing: -0.02em;
  background: linear-gradient(120deg, #fff 30%, #b9a8ff 60%, #7ee7ff 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.brand-sub { color: var(--text-dim); font-size: 13px; margin-top: 4px; letter-spacing: 0.03em; }

.login-form { padding: 24px 22px; display: flex; flex-direction: column; gap: 16px; }
.field { display: flex; flex-direction: column; gap: 7px; }
.field label { font-size: 12px; color: var(--text-dim); letter-spacing: 0.04em; text-transform: uppercase; font-weight: 500; }
.field input {
  width: 100%; padding: 13px 14px;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text); font-family: var(--font); font-size: 15px;
  transition: border-color .2s, background .2s, box-shadow .2s;
}
.field input::placeholder { color: #545872; }
.field input:focus {
  outline: none;
  border-color: var(--accent);
  background: rgba(124,92,255,0.06);
  box-shadow: 0 0 0 4px rgba(124,92,255,0.12);
}
.input-wrap { position: relative; }
.input-wrap input { padding-right: 44px; }
.ghost-icon {
  background: transparent; border: none; cursor: pointer;
  color: var(--text-dim); padding: 8px; border-radius: 10px;
  display: grid; place-items: center;
  transition: color .2s, background .2s;
}
.ghost-icon:hover { color: var(--text); background: rgba(255,255,255,0.05); }
.ghost-icon svg { width: 18px; height: 18px; }
.input-wrap .ghost-icon { position: absolute; right: 6px; top: 50%; transform: translateY(-50%); }

.btn-primary {
  position: relative; padding: 14px;
  border: none; border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--accent), #5b3ee0);
  color: #fff; font-family: var(--font); font-size: 15px; font-weight: 600;
  cursor: pointer; letter-spacing: 0.01em;
  box-shadow: 0 8px 30px rgba(124,92,255,0.35), inset 0 1px 0 rgba(255,255,255,0.2);
  transition: transform .15s, box-shadow .25s;
  display: flex; align-items: center; justify-content: center; gap: 10px;
}
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 12px 40px rgba(124,92,255,0.5), inset 0 1px 0 rgba(255,255,255,0.25); }
.btn-primary:active { transform: translateY(0) scale(0.99); }
.btn-primary:disabled { opacity: 0.7; cursor: wait; transform: none; }

.btn-spinner {
  width: 16px; height: 16px; border-radius: 50%;
  border: 2px solid rgba(255,255,255,0.35);
  border-top-color: #fff;
  animation: spin 0.7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.error-msg { color: var(--danger); font-size: 13px; min-height: 16px; text-align: center; }
.note { color: var(--text-dim); font-size: 12px; text-align: center; line-height: 1.5; }

.footer-links { text-align: center; color: var(--text-dim); font-size: 13px; }
.link-btn { background: none; border: none; color: var(--text-dim); font-family: var(--font); font-size: 13px; cursor: pointer; transition: color .2s; }
.link-btn:hover { color: var(--accent-2); }
.dot { margin: 0 8px; }

/* ============ APP BAR ============ */
.app-bar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 20px 14px;
  border-bottom: 1px solid var(--border);
}
.app-bar-left { display: flex; align-items: center; gap: 12px; }
.app-bar-actions { display: flex; align-items: center; gap: 4px; }
.avatar {
  width: 42px; height: 42px; border-radius: 14px;
  display: grid; place-items: center;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff; font-weight: 700; font-size: 17px;
  box-shadow: 0 6px 20px rgba(124,92,255,0.35);
}
.app-bar-meta { display: flex; flex-direction: column; }
.greeting { font-size: 12px; color: var(--text-dim); letter-spacing: 0.03em; }
.user-email { font-size: 13px; font-weight: 500; max-width: 160px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* ============ STATS ============ */
.stat-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; padding: 16px 20px 0; }
.stat { padding: 14px 10px; text-align: center; display: flex; flex-direction: column; gap: 3px; }
.stat-num {
  font-size: 20px; font-weight: 700;
  background: linear-gradient(120deg, #fff, #b9a8ff);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.stat-label { font-size: 11px; color: var(--text-dim); letter-spacing: 0.05em; text-transform: uppercase; }

/* ============ BREADCRUMB ============ */
.breadcrumb {
  display: flex; align-items: center; gap: 6px;
  padding: 16px 20px 0; font-size: 13px;
  overflow-x: auto; white-space: nowrap;
  scrollbar-width: none;
}
.breadcrumb::-webkit-scrollbar { display: none; }
.crumb {
  background: none; border: none; cursor: pointer;
  color: var(--text-dim); font-family: var(--font); font-size: 13px;
  padding: 4px 6px; border-radius: 8px;
  transition: color .2s, background .2s;
}
.crumb:hover { color: var(--text); background: rgba(255,255,255,0.05); }
.crumb.current { color: var(--text); font-weight: 500; cursor: default; }
.crumb-sep { color: var(--text-dim); opacity: 0.5; }

/* ============ SEARCH ============ */
.search-bar {
  display: flex; align-items: center; gap: 10px;
  margin: 16px 20px 0; padding: 11px 14px;
}
.search-bar svg { width: 18px; height: 18px; color: var(--text-dim); flex-shrink: 0; }
.search-bar input {
  flex: 1; background: transparent; border: none; outline: none;
  color: var(--text); font-family: var(--font); font-size: 14px;
}
.search-bar input::placeholder { color: #545872; }

/* ============ SECTION HEAD ============ */
.section-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 22px 20px 10px;
}
.section-head h2 { font-size: 17px; font-weight: 600; letter-spacing: -0.01em; }
.chip {
  background: var(--surface-2); border: 1px solid var(--border);
  color: var(--text-dim); padding: 6px 12px; border-radius: 20px;
  font-size: 12px; font-family: var(--font); cursor: pointer;
  transition: color .2s, border-color .2s, background .2s;
}
.chip:hover { color: var(--text); border-color: var(--accent); }
.chip.danger { color: var(--danger); }
.chip.danger:hover { border-color: var(--danger); }

/* ============ SELECT BAR ============ */
.select-bar {
  display: flex; align-items: center; justify-content: space-between;
  margin: 8px 20px 0; padding: 10px 12px;
  background: rgba(124,92,255,0.12);
  border: 1px solid rgba(124,92,255,0.35);
  border-radius: 14px;
  font-size: 13px;
  animation: itemIn .25s cubic-bezier(.22,1,.36,1);
}
.select-actions { display: flex; gap: 6px; flex-wrap: wrap; }
.select-actions .chip { padding: 5px 10px; font-size: 11px; }

/* ============ FILE LIST ============ */
.file-list {
  list-style: none;
  padding: 4px 20px 130px;
  overflow-y: auto; flex: 1;
  display: flex; flex-direction: column; gap: 10px;
  scrollbar-width: thin; scrollbar-color: rgba(255,255,255,0.1) transparent;
}
.file-list::-webkit-scrollbar { width: 6px; }
.file-list::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); border-radius: 6px; }

.file-item, .folder-item {
  display: flex; align-items: center; gap: 14px;
  padding: 13px 14px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  transition: transform .18s, background .2s, border-color .2s;
  animation: itemIn 0.4s cubic-bezier(.22,1,.36,1) backwards;
  position: relative;
}
.file-item:hover, .folder-item:hover { background: var(--surface-2); border-color: rgba(124,92,255,0.4); transform: translateY(-2px); }
.folder-item:hover { border-color: rgba(34,211,238,0.4); }

.file-item.selected, .folder-item.selected {
  background: rgba(124,92,255,0.15);
  border-color: var(--accent);
}

@keyframes itemIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }

.file-icon, .folder-icon {
  width: 46px; height: 46px; flex-shrink: 0;
  border-radius: 13px;
  display: grid; place-items: center;
  font-size: 22px;
  background: rgba(124,92,255,0.15);
  color: var(--accent);
}
.folder-icon { background: rgba(34,211,238,0.15); color: var(--accent-2); }
.folder-icon svg { width: 24px; height: 24px; }

.file-icon[data-type="pdf"]   { background: rgba(255,84,112,0.15); color: #ff5470; }
.file-icon[data-type="image"] { background: rgba(52,211,153,0.15); color: #34d399; }
.file-icon[data-type="video"] { background: rgba(244,114,182,0.15); color: #f472b6; }
.file-icon[data-type="audio"] { background: rgba(34,211,238,0.15); color: #22d3ee; }
.file-icon[data-type="doc"]   { background: rgba(96,165,250,0.15); color: #60a5fa; }
.file-icon[data-type="zip"]   { background: rgba(251,191,36,0.15); color: #fbbf24; }
.file-icon[data-type="code"]  { background: rgba(167,139,250,0.15); color: #a78bfa; }

.file-meta { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 3px; }
.file-name { font-size: 14px; font-weight: 500; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.file-sub  { font-size: 12px; color: var(--text-dim); display: flex; gap: 8px; flex-wrap: wrap; }
.file-sub .sep { opacity: 0.4; }

.file-menu {
  background: transparent; border: none; cursor: pointer;
  color: var(--text-dim); padding: 6px; border-radius: 8px;
  flex-shrink: 0;
}
.file-menu:hover { background: rgba(255,255,255,0.06); color: var(--text); }
.file-menu svg { width: 18px; height: 18px; display: block; }

/* Selection checkbox */
.select-check {
  width: 22px; height: 22px; border-radius: 6px;
  border: 1.5px solid var(--border);
  display: grid; place-items: center;
  flex-shrink: 0;
  background: rgba(255,255,255,0.03);
  transition: all .2s;
}
.file-item.selected .select-check,
.folder-item.selected .select-check {
  background: var(--accent);
  border-color: var(--accent);
}
.select-check svg { width: 13px; height: 13px; color: #fff; opacity: 0; transition: opacity .2s; }
.file-item.selected .select-check svg,
.folder-item.selected .select-check svg { opacity: 1; }

/* ============ EMPTY ============ */
.empty-state {
  flex: 1; display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: 8px; padding-bottom: 120px; text-align: center;
}
.empty-icon {
  width: 72px; height: 72px; border-radius: 22px;
  background: var(--surface); border: 1px solid var(--border);
  display: grid; place-items: center; margin-bottom: 8px;
}
.empty-icon svg { width: 34px; height: 34px; color: var(--text-dim); }
.empty-state p { font-size: 15px; font-weight: 500; }
.empty-state span { font-size: 13px; color: var(--text-dim); }

/* ============ FAB ============ */
.fab {
  position: absolute; bottom: 88px; right: 22px;
  width: 58px; height: 58px; border-radius: 20px;
  border: none; cursor: pointer;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff;
  display: grid; place-items: center;
  box-shadow: 0 12px 36px rgba(124,92,255,0.5), inset 0 1px 0 rgba(255,255,255,0.3);
  transition: transform .18s, box-shadow .25s;
  z-index: 5;
}
.fab:hover { transform: translateY(-3px) scale(1.05); box-shadow: 0 18px 48px rgba(124,92,255,0.65); }
.fab:active { transform: scale(0.96); }
.fab svg { width: 26px; height: 26px; }

/* ============ BOTTOM NAV ============ */
.bottom-nav {
  position: absolute; left: 0; right: 0; bottom: 0;
  display: flex; justify-content: space-around;
  padding: 12px 12px 18px;
  background: rgba(10,10,22,0.85);
  backdrop-filter: blur(24px);
  border-top: 1px solid var(--border);
  z-index: 4;
}
.nav-item {
  flex: 1; background: none; border: none; cursor: pointer;
  display: flex; flex-direction: column; align-items: center; gap: 4px;
  color: var(--text-dim); font-family: var(--font); font-size: 11px;
  padding: 6px; border-radius: 12px;
  transition: color .2s, background .2s;
}
.nav-item svg { width: 22px; height: 22px; }
.nav-item:hover { color: var(--text); }
.nav-item.active { color: var(--accent); }

/* ============ SHEET ============ */
.sheet {
  position: fixed; inset: 0; z-index: 100;
  display: flex; align-items: flex-end; justify-content: center;
}
.sheet-backdrop { position: absolute; inset: 0; background: rgba(0,0,0,0.6); backdrop-filter: blur(4px); animation: fadeIn .2s; }
.sheet-body {
  position: relative; width: 100%; max-width: 460px;
  padding: 16px 22px 24px;
  border-radius: 24px 24px 0 0;
  animation: slideUp .35s cubic-bezier(.22,1,.36,1);
  max-height: 85dvh; overflow-y: auto;
}
@keyframes fadeIn { from { opacity: 0; } }
@keyframes slideUp { from { transform: translateY(100%); } to { transform: translateY(0); } }
.sheet-handle { width: 44px; height: 4px; background: var(--border); border-radius: 4px; margin: 0 auto 18px; }
.sheet-body h3 { font-size: 19px; margin-bottom: 14px; font-weight: 600; }
.sheet-body p { color: var(--text-dim); font-size: 14px; line-height: 1.65; margin-bottom: 12px; }
.sheet-body ul { color: var(--text-dim); font-size: 14px; line-height: 1.8; padding-left: 20px; margin-bottom: 16px; }
.sheet-body strong { color: var(--text); }

.btn-secondary {
  display: block; width: 100%;
  padding: 13px; border-radius: var(--radius-sm);
  background: var(--surface-2); border: 1px solid var(--border);
  color: var(--text); font-family: var(--font); font-size: 14px; font-weight: 500;
  cursor: pointer; text-align: center; text-decoration: none;
  transition: background .2s, border-color .2s;
  margin-top: 8px;
}
.btn-secondary:hover { background: rgba(255,255,255,0.09); border-color: var(--accent); }

/* ============ ABOUT (rich) ============ */
.about-hero {
  text-align: center;
  padding: 8px 0 20px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 18px;
}
.about-hero .about-logo {
  width: 68px; height: 68px; margin: 0 auto 12px;
  display: grid; place-items: center;
  border-radius: 20px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff;
  box-shadow: 0 10px 34px rgba(124,92,255,0.4);
}
.about-hero .about-logo svg { width: 34px; height: 34px; }
.about-hero h4 {
  font-size: 20px; font-weight: 700;
  background: linear-gradient(120deg, #fff 30%, #b9a8ff 60%, #7ee7ff 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  margin-bottom: 4px;
}
.about-hero .about-version {
  font-size: 11px; color: var(--text-dim);
  letter-spacing: 0.15em; text-transform: uppercase;
  font-family: var(--mono);
}

.about-section {
  margin-bottom: 20px;
}
.about-section h5 {
  font-size: 11px; color: var(--accent-2);
  text-transform: uppercase; letter-spacing: 0.12em;
  margin-bottom: 10px; font-weight: 600;
}
.about-section p { margin-bottom: 8px; }
.about-section ul { padding-left: 18px; }
.about-section li { margin-bottom: 4px; }

.about-tags {
  display: flex; flex-wrap: wrap; gap: 6px;
  margin-top: 6px;
}
.about-tag {
  padding: 5px 10px; border-radius: 20px;
  background: var(--surface-2); border: 1px solid var(--border);
  font-size: 11px; color: var(--text-dim);
  font-family: var(--mono);
}

.about-company {
  display: flex; align-items: center; gap: 12px;
  padding: 14px; border-radius: 14px;
  background: linear-gradient(135deg, rgba(124,92,255,0.12), rgba(34,211,238,0.08));
  border: 1px solid rgba(124,92,255,0.25);
  margin-bottom: 14px;
}
.about-company-mark {
  width: 44px; height: 44px; border-radius: 12px;
  display: grid; place-items: center;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff; font-weight: 700; font-size: 18px;
  flex-shrink: 0;
}
.about-company-info { flex: 1; min-width: 0; }
.about-company-name { font-size: 14px; font-weight: 600; color: var(--text); }
.about-company-role { font-size: 11px; color: var(--text-dim); margin-top: 2px; }

.about-contact {
  display: flex; flex-direction: column; gap: 8px;
}
.about-contact-row {
  display: flex; align-items: center; gap: 10px;
  padding: 11px 12px; border-radius: 12px;
  background: var(--surface); border: 1px solid var(--border);
  text-decoration: none; color: var(--text);
  font-size: 13px;
  transition: border-color .2s, background .2s;
}
.about-contact-row:hover { border-color: var(--accent); background: var(--surface-2); }
.about-contact-row .icon {
  width: 30px; height: 30px; border-radius: 8px;
  background: rgba(124,92,255,0.15); color: var(--accent);
  display: grid; place-items: center; flex-shrink: 0;
}
.about-contact-row .icon svg { width: 15px; height: 15px; }
.about-contact-row .label { color: var(--text-dim); font-size: 11px; }
.about-contact-row .value { color: var(--text); font-size: 13px; font-weight: 500; }
.about-contact-row .chev { margin-left: auto; color: var(--text-dim); }
.about-contact-row .chev svg { width: 14px; height: 14px; }

.about-footer {
  text-align: center;
  padding-top: 14px;
  border-top: 1px solid var(--border);
  color: var(--text-dim);
  font-size: 11px;
  line-height: 1.6;
}
.about-footer strong { color: var(--text); font-weight: 500; }
.about-footer .heart { color: var(--danger); }

/* ============ MOVE LIST ============ */
.move-list {
  max-height: 50dvh; overflow-y: auto;
  display: flex; flex-direction: column; gap: 6px;
  margin-bottom: 12px;
}
.move-item {
  padding: 12px 14px; border-radius: 12px;
  background: var(--surface); border: 1px solid var(--border);
  cursor: pointer; text-align: left;
  font-family: var(--font); font-size: 14px; color: var(--text);
  display: flex; align-items: center; gap: 10px;
  transition: background .2s, border-color .2s;
}
.move-item:hover { background: var(--surface-2); border-color: var(--accent); }
.move-item.disabled { opacity: 0.5; pointer-events: none; }

/* ============ PROMPT ============ */
.prompt-input {
  width: 100%; padding: 13px 14px;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text); font-family: var(--font); font-size: 15px;
  margin-bottom: 14px;
  transition: border-color .2s, background .2s, box-shadow .2s;
}
.prompt-input:focus {
  outline: none;
  border-color: var(--accent);
  background: rgba(124,92,255,0.06);
  box-shadow: 0 0 0 4px rgba(124,92,255,0.12);
}
.prompt-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.prompt-actions .btn-secondary, .prompt-actions .btn-primary { margin-top: 0; }

/* ============ SHARE ============ */
.share-note { font-size: 13px; line-height: 1.5; margin-bottom: 14px; }
.expiry-options { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px; margin-bottom: 14px; }
.expiry-opt {
  padding: 12px; border-radius: 12px;
  background: var(--surface); border: 1px solid var(--border);
  color: var(--text-dim); font-family: var(--font); font-size: 13px;
  cursor: pointer; transition: all .2s;
}
.expiry-opt:hover { color: var(--text); border-color: var(--accent); }
.expiry-opt.active { background: rgba(124,92,255,0.15); border-color: var(--accent); color: var(--text); font-weight: 500; }

#share-result { margin-top: 14px; display: flex; flex-direction: column; gap: 10px; }
.share-url-row {
  display: flex; align-items: center; gap: 6px;
  background: rgba(0,0,0,0.3); border: 1px solid var(--border);
  border-radius: 12px; padding: 6px 6px 6px 12px;
}
.share-url-row input {
  flex: 1; background: none; border: none; outline: none;
  color: var(--text); font-family: var(--mono); font-size: 12px;
  overflow: hidden; text-overflow: ellipsis;
}
.share-expiry-line { font-size: 12px; color: var(--text-dim); text-align: center; }

/* ============ TOAST ============ */
.toast {
  position: fixed; bottom: 100px; left: 50%; transform: translateX(-50%);
  background: rgba(20,20,35,0.95);
  border: 1px solid var(--border);
  padding: 12px 20px; border-radius: 14px;
  font-size: 13px; color: var(--text);
  z-index: 200; backdrop-filter: blur(12px);
  animation: toastIn .3s cubic-bezier(.22,1,.36,1);
  max-width: 90vw; text-align: center;
}
@keyframes toastIn { from { opacity: 0; transform: translate(-50%, 12px); } to { opacity: 1; transform: translate(-50%, 0); } }

/* ============ UPLOAD BAR ============ */
.upload-bar {
  position: fixed; top: 20px; left: 50%; transform: translateX(-50%);
  z-index: 150; max-width: 440px; width: calc(100% - 40px);
}
.upload-bar-inner {
  background: rgba(20,20,35,0.95);
  border: 1px solid var(--border);
  padding: 14px 18px; border-radius: 16px;
  backdrop-filter: blur(12px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.5);
}
.upload-bar-inner span { font-size: 13px; display: block; margin-bottom: 8px; }
.progress { height: 4px; background: rgba(255,255,255,0.08); border-radius: 4px; overflow: hidden; }
.progress-fill { height: 100%; width: 0%; background: linear-gradient(90deg, var(--accent), var(--accent-2)); transition: width .2s; }

/* ============ PREVIEW ============ */
.preview {
  position: fixed; inset: 0; z-index: 120;
  display: flex; align-items: center; justify-content: center;
  padding: 20px;
}
.preview-backdrop { position: absolute; inset: 0; background: rgba(0,0,0,0.75); backdrop-filter: blur(6px); animation: fadeIn .2s; }
.preview-body {
  position: relative; width: 100%; max-width: 460px;
  max-height: 90dvh; display: flex; flex-direction: column;
  animation: zoomIn .3s cubic-bezier(.22,1,.36,1);
  overflow: hidden;
}
@keyframes zoomIn { from { opacity: 0; transform: scale(0.94); } to { opacity: 1; transform: scale(1); } }
.preview-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 18px; border-bottom: 1px solid var(--border);
  font-size: 14px; font-weight: 500;
}
.preview-head span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 75%; }
.preview-stage {
  flex: 1; min-height: 200px; max-height: 70dvh;
  overflow: auto; display: grid; place-items: center;
  padding: 12px; background: rgba(0,0,0,0.2);
}
.preview-stage img, .preview-stage video { max-width: 100%; max-height: 65dvh; border-radius: 10px; }
.preview-stage iframe { width: 100%; height: 60dvh; border: none; border-radius: 10px; background: #fff; }
.preview-stage pre {
  width: 100%; padding: 14px; font-family: var(--mono); font-size: 12px;
  color: var(--text); background: rgba(0,0,0,0.3); border-radius: 10px;
  overflow: auto; white-space: pre-wrap; word-break: break-word;
}
.preview-actions { padding: 12px 18px 16px; border-top: 1px solid var(--border); }
.preview-actions .btn-secondary { margin: 0; }