:root {
  --bg: #0b0c10;
  --panel: #12141a;
  --panel2: #171920;
  --panel3: #1d2029;
  --line: rgba(255,255,255,.09);
  --line-strong: rgba(255,255,255,.16);
  --text: #f5f5f5;
  --muted: #9297a5;
  --accent: #6b79ec;
  --accent2: #55a6e8;
  --danger: #ff626f;
  --success: #41d89a;
  --warning: #ffba5c;
  --shadow: 0 18px 50px rgba(0,0,0,.26);
  --radius: 18px;
}
html[data-theme="light"] {
  --bg: #f3f5fa;
  --panel: #ffffff;
  --panel2: #f7f8fb;
  --panel3: #eef1f7;
  --line: rgba(24,31,48,.12);
  --line-strong: rgba(24,31,48,.2);
  --text: #171b26;
  --muted: #687083;
  --shadow: 0 18px 50px rgba(35,45,70,.1);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 55% -8%, rgba(107,121,236,.18), transparent 34%),
    radial-gradient(circle at 90% 28%, rgba(85,166,232,.08), transparent 22%),
    var(--bg);
  color: var(--text);
  font-family: Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  overflow-x: hidden;
}
button,input,select { font: inherit; }
button,a,label { -webkit-tap-highlight-color: transparent; }
a { color: inherit; text-decoration: none; }
button { color: inherit; }
::selection { background: color-mix(in srgb, var(--accent) 75%, transparent); color: #fff; }
.shell { width: min(1180px, calc(100% - 32px)); margin: 0 auto; }
[hidden] { display: none !important; }

.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}
.nav { height: 68px; display: flex; align-items: center; gap: 16px; }
.brand { display: inline-flex; align-items: center; gap: 9px; margin-right: auto; min-width: 0; }
.brand-logo { width: 29px; height: 29px; object-fit: contain; border-radius: 8px; }
.brand span { color: var(--accent); font-weight: 900; letter-spacing: -.04em; }
.brand small { color: var(--muted); font-size: 11px; font-weight: 700; }
.nav-actions { display: flex; align-items: center; gap: 9px; }
.icon-button {
  width: 38px; height: 38px; display: grid; place-items: center;
  border: 1px solid var(--line); border-radius: 11px;
  background: rgba(255,255,255,.04); cursor: pointer;
  transition: .2s ease;
}
.icon-button:hover { border-color: color-mix(in srgb,var(--accent) 55%,var(--line)); background: color-mix(in srgb,var(--accent) 11%,transparent); transform: translateY(-1px); }

.btn {
  border: 1px solid var(--line);
  background: rgba(255,255,255,.045);
  color: var(--text);
  border-radius: 12px;
  padding: 11px 16px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 800;
  font-size: 13px;
  cursor: pointer;
  transition: .2s ease;
}
.btn:hover { transform: translateY(-1px); border-color: var(--line-strong); background: rgba(255,255,255,.07); }
.btn.primary { border: 0; color: #fff; background: linear-gradient(135deg,var(--accent),var(--accent2)); box-shadow: 0 10px 26px rgba(107,121,236,.2); }
.btn.primary:hover { box-shadow: 0 12px 30px rgba(107,121,236,.3); }
.btn.full { width: 100%; min-height: 46px; }
.btn.compact { padding: 9px 12px; }
.btn.danger-soft:hover { color: var(--danger); border-color: color-mix(in srgb,var(--danger) 45%,var(--line)); background: color-mix(in srgb,var(--danger) 8%,transparent); }

.panel,.stat-card,.file-card {
  background: linear-gradient(145deg,rgba(255,255,255,.055),rgba(255,255,255,.025));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
html[data-theme="light"] .panel,
html[data-theme="light"] .stat-card,
html[data-theme="light"] .file-card { background: rgba(255,255,255,.86); }
.panel-lite { background: rgba(255,255,255,.035); border: 1px solid var(--line); border-radius: 14px; }
.eyebrow { display: inline-block; color: var(--accent); text-transform: uppercase; letter-spacing: .16em; font-size: 11px; font-weight: 900; }
.muted { color: var(--muted); }

.auth-section { min-height: calc(100vh - 69px); display: grid; align-items: center; padding-block: 54px; }
.auth-layout { display: grid; grid-template-columns: 1.08fr .7fr; gap: clamp(40px,8vw,100px); align-items: center; }
.auth-copy h1,.dashboard-hero h1 { margin: 16px 0; font-size: clamp(44px,6vw,76px); line-height: .98; letter-spacing: -.06em; }
.auth-copy h1 span,.dashboard-hero h1 span { color: var(--accent); }
.auth-copy > p { color: var(--muted); font-size: 18px; line-height: 1.7; max-width: 650px; }
.feature-row { display: flex; flex-wrap: wrap; gap: 10px 20px; margin-top: 28px; color: var(--muted); font-size: 13px; font-weight: 700; }
.feature-row span { display: inline-flex; align-items: center; gap: 7px; }
.feature-row i { color: var(--accent); }
.auth-card { padding: 30px; }
.auth-card h2,.section-head h2,.modal-card h2 { margin: 7px 0 6px; letter-spacing: -.035em; }
.auth-card > p { margin: 0 0 24px; font-size: 14px; }
.card-icon { width: 50px; height: 50px; display: grid; place-items: center; border-radius: 15px; margin-bottom: 20px; color: #fff; font-size: 23px; background: linear-gradient(135deg,var(--accent),var(--accent2)); box-shadow: 0 12px 28px rgba(107,121,236,.26); }
.form-field { margin: 16px 0; }
.form-field label { display: block; font-size: 12px; font-weight: 800; margin-bottom: 7px; }
.input-shell { height: 46px; display: flex; align-items: center; gap: 10px; padding: 0 12px; border: 1px solid var(--line); border-radius: 12px; background: color-mix(in srgb,var(--panel) 85%,transparent); transition: .2s; }
.input-shell:focus-within { border-color: color-mix(in srgb,var(--accent) 70%,var(--line)); box-shadow: 0 0 0 3px color-mix(in srgb,var(--accent) 12%,transparent); }
.input-shell > i { color: var(--muted); }
.input-shell input { width: 100%; min-width: 0; border: 0; outline: 0; color: var(--text); background: transparent; }
.input-shell input::placeholder,.search-shell input::placeholder { color: color-mix(in srgb,var(--muted) 75%,transparent); }
.input-action { flex: 0 0 auto; border: 0; background: transparent; color: var(--muted); cursor: pointer; padding: 5px; }
.inline-alert { border-radius: 11px; padding: 10px 12px; margin: 12px 0; font-size: 12px; font-weight: 700; }
.inline-alert.error { color: var(--danger); background: color-mix(in srgb,var(--danger) 9%,transparent); border: 1px solid color-mix(in srgb,var(--danger) 28%,transparent); }

.dashboard { padding-bottom: 64px; }
.dashboard-hero { padding: 72px 0 38px; display: flex; align-items: end; justify-content: space-between; gap: 30px; }
.dashboard-hero h1 { font-size: clamp(42px,6vw,70px); }
.dashboard-hero p { color: var(--muted); font-size: 17px; margin: 0; }
.hero-status { padding: 13px 15px; display: flex; align-items: center; gap: 10px; min-width: 215px; }
.hero-status strong,.hero-status small { display: block; }
.hero-status strong { font-size: 12px; }
.hero-status small { margin-top: 2px; color: var(--muted); font-size: 11px; }
.status-dot { width: 9px; height: 9px; border-radius: 50%; background: var(--success); box-shadow: 0 0 0 5px color-mix(in srgb,var(--success) 12%,transparent); }

.stats-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 14px; margin-bottom: 20px; }
.stat-card { padding: 18px; display: flex; gap: 13px; align-items: center; box-shadow: none; }
.stat-icon { width: 42px; height: 42px; display: grid; place-items: center; border-radius: 12px; color: var(--accent); background: color-mix(in srgb,var(--accent) 10%,transparent); border: 1px solid color-mix(in srgb,var(--accent) 20%,transparent); font-size: 18px; }
.stat-card small,.stat-card strong { display: block; }
.stat-card small { color: var(--muted); font-size: 11px; font-weight: 700; }
.stat-card strong { margin-top: 2px; font-size: 22px; letter-spacing: -.04em; }

.upload-panel { padding: 24px; margin-top: 18px; }
.section-head { display: flex; align-items: end; justify-content: space-between; gap: 20px; margin-bottom: 18px; }
.section-head h2 { font-size: 26px; }
.section-head p { margin: 4px 0 0; font-size: 13px; }
.section-badge { flex: 0 0 auto; border: 1px solid var(--line); border-radius: 999px; padding: 7px 10px; color: var(--muted); font-size: 11px; font-weight: 800; }
.dropzone { min-height: 164px; display: flex; align-items: center; justify-content: center; gap: 18px; padding: 26px; border: 1.5px dashed var(--line-strong); border-radius: 16px; background: color-mix(in srgb,var(--accent) 2%,transparent); cursor: pointer; transition: .2s ease; text-align: left; }
.dropzone:hover,.dropzone.drag { border-color: var(--accent); background: color-mix(in srgb,var(--accent) 7%,transparent); transform: translateY(-1px); }
.drop-icon { width: 54px; height: 54px; display: grid; place-items: center; border-radius: 16px; color: var(--accent); font-size: 25px; background: color-mix(in srgb,var(--accent) 10%,transparent); }
.dropzone strong,.dropzone span { display: block; }
.dropzone strong { font-size: 15px; }
.dropzone div > span { color: var(--muted); margin-top: 5px; font-size: 12px; }
.drop-cta { margin-left: 12px; padding: 9px 12px; border-radius: 10px; background: rgba(255,255,255,.055); border: 1px solid var(--line); font-size: 12px; font-weight: 800; }
.upload-progress { margin-top: 16px; }
.progress-row { display: flex; justify-content: space-between; gap: 14px; margin-bottom: 7px; color: var(--muted); font-size: 12px; }
.progress-row strong { color: var(--text); }
.progress-track { height: 5px; overflow: hidden; border-radius: 999px; background: var(--panel3); }
.progress-track span { display: block; width: 0; height: 100%; border-radius: inherit; background: linear-gradient(90deg,var(--accent),var(--accent2)); transition: width .2s; }

.files-section { padding-top: 44px; }
.files-head { align-items: center; }
.toolbar { display: grid; grid-template-columns: minmax(260px,1fr) auto auto; gap: 10px; padding: 10px; }
.search-shell { height: 42px; display: flex; align-items: center; gap: 9px; padding: 0 11px; border: 1px solid var(--line); border-radius: 10px; background: var(--panel); }
.search-shell i { color: var(--muted); }
.search-shell input { width: 100%; border: 0; outline: 0; color: var(--text); background: transparent; }
.toolbar select { min-height: 42px; border: 1px solid var(--line); border-radius: 10px; padding: 0 34px 0 11px; color: var(--text); background: var(--panel); outline: none; cursor: pointer; }
.file-summary { margin: 13px 2px; font-size: 12px; }
.file-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 14px; }
.file-card { overflow: hidden; box-shadow: none; min-width: 0; transition: transform .2s,border-color .2s,box-shadow .2s; }
.file-card:hover { transform: translateY(-3px); border-color: color-mix(in srgb,var(--accent) 35%,var(--line)); box-shadow: 0 18px 42px rgba(0,0,0,.15); }
.file-preview { height: 160px; position: relative; display: grid; place-items: center; overflow: hidden; background: var(--panel2); border-bottom: 1px solid var(--line); }
.file-preview img,.file-preview video { width: 100%; height: 100%; object-fit: cover; }
.file-preview .generic-icon { font-size: 42px; color: color-mix(in srgb,var(--accent) 72%,var(--muted)); }
.file-type-chip { position: absolute; left: 10px; bottom: 10px; border: 1px solid rgba(255,255,255,.15); border-radius: 999px; padding: 5px 8px; color: #fff; background: rgba(10,12,16,.62); backdrop-filter: blur(8px); font-size: 9px; font-weight: 900; text-transform: uppercase; letter-spacing: .06em; }
.file-content { padding: 15px; }
.file-title-row { display: flex; align-items: start; gap: 10px; }
.file-title { flex: 1; min-width: 0; }
.file-title strong { display: block; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; font-size: 13px; }
.file-title small { display: block; margin-top: 4px; color: var(--muted); font-size: 10px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.file-menu { position: relative; }
.file-menu-toggle { width: 31px; height: 31px; border: 1px solid var(--line); border-radius: 9px; background: rgba(255,255,255,.04); cursor: pointer; }
.file-menu-popover { position: absolute; right: 0; top: 37px; z-index: 5; width: 174px; padding: 5px; border: 1px solid var(--line); border-radius: 11px; background: var(--panel); box-shadow: var(--shadow); }
.file-menu-popover button,.file-menu-popover a { width: 100%; border: 0; background: transparent; color: var(--text); padding: 9px 10px; border-radius: 8px; display: flex; align-items: center; gap: 9px; text-align: left; cursor: pointer; font-size: 11px; font-weight: 700; }
.file-menu-popover button:hover,.file-menu-popover a:hover { background: rgba(255,255,255,.055); }
.file-menu-popover .danger { color: var(--danger); }
.file-meta { display: flex; flex-wrap: wrap; gap: 7px 12px; margin-top: 14px; padding-top: 12px; border-top: 1px solid var(--line); color: var(--muted); font-size: 10px; }
.file-meta span { display: inline-flex; align-items: center; gap: 5px; }
.file-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 7px; margin-top: 12px; }
.file-action { min-width: 0; border: 1px solid var(--line); border-radius: 9px; padding: 8px 9px; color: var(--muted); background: rgba(255,255,255,.03); cursor: pointer; display: flex; align-items: center; justify-content: center; gap: 6px; font-size: 10px; font-weight: 800; }
.file-action:hover { color: var(--text); border-color: var(--line-strong); }
.file-action.primary { color: var(--accent); border-color: color-mix(in srgb,var(--accent) 25%,var(--line)); background: color-mix(in srgb,var(--accent) 7%,transparent); }
.empty-state { grid-column: 1 / -1; min-height: 280px; display: grid; place-items: center; text-align: center; padding: 36px; border: 1px dashed var(--line); border-radius: var(--radius); color: var(--muted); }
.empty-state i { display: block; margin-bottom: 10px; font-size: 38px; color: var(--accent); }
.empty-state strong { display: block; color: var(--text); font-size: 14px; }
.empty-state span { display: block; margin-top: 4px; font-size: 12px; }
.skeleton { min-height: 286px; background: linear-gradient(100deg,var(--panel) 30%,var(--panel2) 50%,var(--panel) 70%); background-size: 240% 100%; animation: skeleton 1.2s linear infinite; border: 1px solid var(--line); border-radius: var(--radius); }
@keyframes skeleton { to { background-position: -240% 0; } }

.toast { position: fixed; right: 20px; bottom: 20px; z-index: 100; max-width: min(390px,calc(100vw - 32px)); padding: 12px 14px; border: 1px solid var(--line); border-radius: 12px; background: var(--panel); box-shadow: var(--shadow); display: flex; align-items: center; gap: 9px; font-size: 12px; font-weight: 700; opacity: 0; pointer-events: none; transform: translateY(12px); transition: .2s ease; }
.toast.show { opacity: 1; transform: translateY(0); }
.toast.ok i { color: var(--success); }
.toast.error i { color: var(--danger); }

.modal { width: min(460px,calc(100% - 28px)); border: 0; padding: 0; border-radius: 18px; color: var(--text); background: transparent; }
.modal::backdrop { background: rgba(4,6,12,.7); backdrop-filter: blur(5px); }
.modal-card { position: relative; padding: 26px; }
.modal-card > p { margin: 6px 0 18px; font-size: 13px; }
.modal-close { position: absolute; top: 14px; right: 14px; width: 34px; height: 34px; border: 1px solid var(--line); border-radius: 10px; background: rgba(255,255,255,.04); cursor: pointer; }
.modal-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 20px; }

.share-body { min-height: 100vh; }
.share-main { min-height: calc(100vh - 69px); display: grid; place-items: center; padding-block: 48px; }
.share-card { width: min(760px,100%); padding: 26px; }
.share-head { display: flex; align-items: start; justify-content: space-between; gap: 20px; }
.share-head h1,.empty-share h1 { margin: 8px 0 5px; font-size: clamp(26px,5vw,42px); letter-spacing: -.04em; overflow-wrap: anywhere; }
.share-head p,.empty-share p { margin: 0; }
.share-icon { flex: 0 0 54px; width: 54px; height: 54px; display: grid; place-items: center; border-radius: 15px; color: var(--accent); background: color-mix(in srgb,var(--accent) 10%,transparent); font-size: 24px; }
.share-icon.danger { color: var(--danger); background: color-mix(in srgb,var(--danger) 10%,transparent); margin-bottom: 18px; }
.share-preview { margin-top: 22px; overflow: hidden; max-height: 470px; display: grid; place-items: center; border: 1px solid var(--line); border-radius: 15px; background: var(--panel2); }
.share-preview img,.share-preview video { max-width: 100%; max-height: 470px; object-fit: contain; }
.audio-preview { margin-top: 22px; display: flex; align-items: center; gap: 14px; padding: 20px; border: 1px solid var(--line); border-radius: 15px; background: var(--panel2); }
.audio-preview i { font-size: 30px; color: var(--accent); }
.audio-preview audio { width: 100%; }
.share-actions { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 22px; }
.empty-share { text-align: center; }
.empty-share .share-icon { margin-inline: auto; }
.empty-share .btn { margin-top: 20px; }

@media (max-width: 900px) {
  .auth-layout { grid-template-columns: 1fr; max-width: 690px; margin-inline: auto; gap: 38px; }
  .auth-copy { text-align: center; }
  .auth-copy > p { margin-inline: auto; }
  .feature-row { justify-content: center; }
  .stats-grid { grid-template-columns: repeat(2,1fr); }
  .file-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .toolbar { grid-template-columns: 1fr 1fr; }
  .search-shell { grid-column: 1 / -1; }
}
@media (max-width: 640px) {
  .shell { width: min(100% - 22px,1180px); }
  .nav { height: 60px; }
  .brand small { display: none; }
  .nav-actions .btn span { display: none; }
  .auth-section { min-height: calc(100vh - 61px); padding-block: 34px; }
  .auth-copy h1 { font-size: clamp(38px,13vw,58px); }
  .auth-copy > p { font-size: 15px; }
  .feature-row { font-size: 11px; }
  .auth-card { padding: 22px; }
  .dashboard-hero { padding: 48px 0 28px; align-items: start; flex-direction: column; }
  .dashboard-hero h1 { font-size: clamp(38px,13vw,58px); }
  .hero-status { width: 100%; }
  .stats-grid { gap: 9px; }
  .stat-card { padding: 13px; gap: 9px; }
  .stat-icon { width: 36px; height: 36px; border-radius: 10px; }
  .stat-card strong { font-size: 18px; }
  .upload-panel { padding: 16px; }
  .section-head { align-items: start; }
  .section-head h2 { font-size: 22px; }
  .section-badge { display: none; }
  .dropzone { min-height: 190px; flex-direction: column; text-align: center; padding: 22px; gap: 10px; }
  .drop-cta { margin: 4px 0 0; }
  .files-section { padding-top: 34px; }
  .toolbar { grid-template-columns: 1fr; }
  .search-shell { grid-column: auto; }
  .toolbar select { width: 100%; }
  .file-grid { grid-template-columns: 1fr; }
  .file-preview { height: 180px; }
  .modal-card { padding: 22px; }
  .share-card { padding: 20px; }
  .share-head { flex-direction: column-reverse; }
  .share-actions { flex-direction: column; }
  .share-actions .btn { width: 100%; }
}
@media (max-width: 390px) {
  .stats-grid { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  *,*::before,*::after { scroll-behavior: auto !important; transition: none !important; animation-duration: .001ms !important; animation-iteration-count: 1 !important; }
}

/* V2.2 — PortfolioV5 component fixes */
.file-card { overflow: visible; position: relative; }
.file-preview { border-radius: calc(var(--radius) - 1px) calc(var(--radius) - 1px) 0 0; }
.file-menu { z-index: 30; }
.file-menu-popover { z-index: 1200; }
.file-menu-popover.open-up { top: auto; bottom: 37px; }
.file-card:has(.file-menu-popover:not([hidden])) { z-index: 40; }
.file-menu-toggle:hover,
.file-menu:has(.file-menu-popover:not([hidden])) .file-menu-toggle {
  border-color: rgba(107,121,236,.55);
  background: rgba(107,121,236,.07);
}
.file-menu-popover button,.file-menu-popover a { min-height: 36px; }
.toolbar .select-shell { min-width: 160px; }
@media (max-width: 900px) { .toolbar .select-shell { min-width: 0; } }
@media (max-width: 640px) { .toolbar .select-shell { width: 100%; } }