/* ════════════════════════════════════════════════════════════════════════════
   Windows Aero theme — Media Viewer (CLMĐ)
   ─────────────────────────────────────────────────────────────────────────
   Visual language: deep aurora background + translucent glass surfaces,
   1px top hairline highlight, soft outer shadow, glossy gradient buttons
   with a top-light reflection, blue accent (#4DB8FF), inset/recessed text
   fields, blue focus glow.
   ════════════════════════════════════════════════════════════════════════════ */

/* ── Reset & base ────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  /* Surface tokens */
  --bg:              #050a18;
  --bg-deep:         #02050d;
  --glass:           rgba(18, 34, 64, 0.55);
  --glass-strong:    rgba(22, 40, 76, 0.78);
  --glass-soft:      rgba(255, 255, 255, 0.06);
  --glass-stroke:    rgba(255, 255, 255, 0.18);
  --glass-stroke-hi: rgba(255, 255, 255, 0.45);
  --glass-inner:     rgba(255, 255, 255, 0.05);

  /* Accent (Aero blue) */
  --accent:          #4DB8FF;        /* primary glass-blue */
  --accent-2:        #6FC6FF;        /* highlight / top of gradient */
  --accent-deep:     #1F6FB5;        /* shadow side of gradient */
  --accent-glow:     rgba(77, 184, 255, 0.55);
  --accent-soft:     rgba(77, 184, 255, 0.18);

  /* Text */
  --text:            #F2F6FC;
  --text-muted:      rgba(225, 235, 250, 0.66);
  --text-dim:        rgba(225, 235, 250, 0.40);
  --text-shadow:     0 1px 1px rgba(0, 0, 0, 0.55);

  /* States */
  --error:           #FF6B6B;
  --error-bg:        rgba(255, 107, 107, 0.12);
  --success:         #6FE2A0;

  /* Geometry */
  --radius:          8px;
  --radius-lg:       10px;
  --radius-sm:       6px;

  /* Shadows */
  --shadow-1:        0 1px 0 rgba(255,255,255,0.10) inset,
                     0 -1px 0 rgba(0,0,0,0.35) inset,
                     0 4px 16px rgba(0, 0, 0, 0.45);
  --shadow-2:        0 1px 0 rgba(255,255,255,0.18) inset,
                     0 -1px 0 rgba(0,0,0,0.45) inset,
                     0 8px 32px rgba(0, 0, 0, 0.55);
  --shadow-glow:     0 0 0 1px rgba(77,184,255,0.45),
                     0 0 18px rgba(77,184,255,0.45);
}

html, body {
  height: 100%;
  font-family: "Segoe UI", "Segoe UI Variable", -apple-system, BlinkMacSystemFont, Roboto, sans-serif;
  font-size: 14px;
  line-height: 1.55;
  color: var(--text);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;

  /* Aurora-like background — hints of the Windows 7 "Aurora" wallpaper
     without shipping an image. Two soft blue glows on a deep navy gradient. */
  background:
    radial-gradient(ellipse 60% 50% at 18% 12%, rgba(77, 184, 255, 0.22), transparent 60%),
    radial-gradient(ellipse 50% 40% at 85% 88%, rgba(120, 90, 220, 0.18), transparent 65%),
    radial-gradient(ellipse 70% 60% at 50% 110%, rgba(0, 120, 215, 0.18), transparent 70%),
    linear-gradient(180deg, #08142a 0%, #03060f 100%);
  background-attachment: fixed;
  overflow-x: hidden;
}

/* Subtle film-grain / glass-fibre overlay so the gradient never looks flat */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image:
    repeating-linear-gradient(
      135deg,
      rgba(255,255,255,0.012) 0 2px,
      transparent 2px 4px
    );
  mix-blend-mode: overlay;
}

/* ── Views ───────────────────────────────────────────────────────────────── */
.view { display: none; position: relative; z-index: 1; }
.view.active { display: flex; flex-direction: column; min-height: 100vh; }
.view.center {
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 2.5rem 1.5rem;
  gap: 1.1rem;
}

/* ── Loading ─────────────────────────────────────────────────────────────── */
.spinner-large {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 3px solid rgba(77, 184, 255, 0.18);
  border-top-color: var(--accent-2);
  border-right-color: rgba(77, 184, 255, 0.55);
  box-shadow:
    0 0 0 1px rgba(255,255,255,0.05) inset,
    0 0 24px rgba(77, 184, 255, 0.35);
  animation: spin .9s cubic-bezier(.4,0,.2,1) infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.loading-text {
  color: var(--text-muted);
  font-size: 0.92rem;
  letter-spacing: 0.02em;
  text-shadow: var(--text-shadow);
}

/* ── Error view ──────────────────────────────────────────────────────────── */
.error-icon {
  color: var(--error);
  margin-bottom: 0.25rem;
  filter: drop-shadow(0 0 12px rgba(255, 107, 107, 0.35));
}
.error-icon svg { width: 52px; height: 52px; }
#view-error h2 { font-size: 1.3rem; font-weight: 600; text-shadow: var(--text-shadow); }
.error-sub {
  color: var(--text-muted);
  font-size: 0.9rem;
  max-width: 380px;
  text-shadow: var(--text-shadow);
}

/* ── Glass surfaces (shared) ─────────────────────────────────────────────── */
.glass {
  background: var(--glass);
  -webkit-backdrop-filter: blur(22px) saturate(160%);
  backdrop-filter: blur(22px) saturate(160%);
  border: 1px solid var(--glass-stroke);
  border-top-color: var(--glass-stroke-hi);
  border-radius: var(--radius);
  box-shadow: var(--shadow-1);
}

.glass-strong {
  background: var(--glass-strong);
  -webkit-backdrop-filter: blur(28px) saturate(180%);
  backdrop-filter: blur(28px) saturate(180%);
  border: 1px solid var(--glass-stroke);
  border-top-color: var(--glass-stroke-hi);
  border-radius: var(--radius);
  box-shadow: var(--shadow-2);
}

/* ── Paste-token card ────────────────────────────────────────────────────── */
.paste-card {
  composes: glass; /* not all browsers respect this; redeclare below */
  background: linear-gradient(180deg, rgba(30, 50, 90, 0.55), rgba(14, 26, 50, 0.65));
  -webkit-backdrop-filter: blur(26px) saturate(170%);
  backdrop-filter: blur(26px) saturate(170%);
  border: 1px solid var(--glass-stroke);
  border-top-color: var(--glass-stroke-hi);
  border-radius: var(--radius-lg);
  padding: 1.9rem 1.8rem 1.6rem;
  width: 100%;
  max-width: 460px;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  box-shadow: var(--shadow-2);
}

.paste-icon {
  color: var(--accent-2);
  margin-bottom: 0.2rem;
  filter: drop-shadow(0 0 10px rgba(77, 184, 255, 0.45));
}

.paste-card h2 {
  font-size: 1.4rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  text-shadow: var(--text-shadow);
}

.paste-hint {
  color: var(--text-muted);
  font-size: 0.86rem;
  line-height: 1.55;
  margin-bottom: 0.4rem;
  text-shadow: var(--text-shadow);
}

.paste-form {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  margin-top: 0.25rem;
}

/* Inset / recessed text field */
.paste-textarea {
  width: 100%;
  background: linear-gradient(180deg, rgba(0,0,0,0.30), rgba(0,0,0,0.18));
  border: 1px solid rgba(0, 0, 0, 0.55);
  border-top-color: rgba(0, 0, 0, 0.7);
  border-bottom-color: rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-sm);
  color: var(--text);
  padding: 0.7rem 0.85rem;
  font-size: 0.82rem;
  font-family: "Consolas", "SFMono-Regular", "Menlo", monospace;
  resize: vertical;
  min-height: 96px;
  line-height: 1.5;
  outline: none;
  box-shadow:
    0 1px 2px rgba(0, 0, 0, 0.45) inset,
    0 0 0 1px rgba(255,255,255,0.03) inset;
  transition: border-color 0.18s, box-shadow 0.18s;
}
.paste-textarea::placeholder { color: var(--text-dim); }
.paste-textarea:focus {
  border-color: var(--accent);
  box-shadow:
    0 1px 2px rgba(0, 0, 0, 0.45) inset,
    0 0 0 1px var(--accent),
    0 0 14px var(--accent-glow);
}

.paste-error {
  background: var(--error-bg);
  border: 1px solid rgba(255, 107, 107, 0.4);
  color: #FFD2D2;
  border-radius: var(--radius-sm);
  padding: 0.5rem 0.75rem;
  font-size: 0.82rem;
  text-shadow: var(--text-shadow);
}
.hidden { display: none !important; }

/* ── Aero "Open content" primary button ──────────────────────────────────── */
.btn-open {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  position: relative;
  padding: 0.7rem 1.3rem;
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: #fff;
  text-shadow: 0 1px 1px rgba(0, 30, 60, 0.65);
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: var(--radius-sm);
  cursor: pointer;
  background:
    linear-gradient(180deg,
      rgba(160, 215, 255, 0.55) 0%,
      rgba(77, 184, 255, 0.55) 45%,
      rgba(40, 130, 210, 0.55) 100%);
  box-shadow:
    0 1px 0 rgba(255,255,255,0.55) inset,
    0 -1px 0 rgba(0,0,0,0.20) inset,
    0 1px 2px rgba(0, 30, 60, 0.45),
    0 4px 12px rgba(77, 184, 255, 0.25);
  transition: background 0.18s, box-shadow 0.18s, transform 0.06s;
}
.btn-open:hover {
  background:
    linear-gradient(180deg,
      rgba(190, 225, 255, 0.7) 0%,
      rgba(120, 200, 255, 0.65) 45%,
      rgba(60, 150, 220, 0.65) 100%);
  box-shadow:
    0 1px 0 rgba(255,255,255,0.65) inset,
    0 -1px 0 rgba(0,0,0,0.20) inset,
    0 0 16px var(--accent-glow),
    0 4px 14px rgba(77, 184, 255, 0.4);
}
.btn-open:active {
  background:
    linear-gradient(180deg,
      rgba(60, 150, 220, 0.6) 0%,
      rgba(40, 120, 200, 0.65) 100%);
  box-shadow:
    0 1px 2px rgba(0, 30, 60, 0.6) inset,
    0 0 0 1px rgba(255,255,255,0.2) inset;
  transform: translateY(1px);
}

/* Small glass action button (paste-token manually on error view) */
.btn-primary-sm {
  background:
    linear-gradient(180deg,
      rgba(180, 220, 255, 0.45),
      rgba(77, 184, 255, 0.40));
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: var(--radius-sm);
  padding: 0.6rem 1.1rem;
  font-size: 0.875rem;
  font-weight: 600;
  text-shadow: 0 1px 1px rgba(0, 30, 60, 0.65);
  cursor: pointer;
  box-shadow:
    0 1px 0 rgba(255,255,255,0.45) inset,
    0 4px 10px rgba(77, 184, 255, 0.25);
  transition: background 0.18s, box-shadow 0.18s;
}
.btn-primary-sm:hover {
  background:
    linear-gradient(180deg,
      rgba(200, 230, 255, 0.6),
      rgba(110, 195, 255, 0.55));
  box-shadow:
    0 1px 0 rgba(255,255,255,0.55) inset,
    0 0 12px var(--accent-glow);
}

/* Secondary glass button (Go back) */
.btn-secondary {
  background: linear-gradient(180deg, rgba(255,255,255,0.10), rgba(255,255,255,0.04));
  color: var(--text);
  border: 1px solid var(--glass-stroke);
  border-top-color: var(--glass-stroke-hi);
  border-radius: var(--radius-sm);
  padding: 0.6rem 1.2rem;
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  text-shadow: var(--text-shadow);
  box-shadow:
    0 1px 0 rgba(255,255,255,0.10) inset,
    0 -1px 0 rgba(0,0,0,0.30) inset;
  transition: background 0.18s, border-color 0.18s, box-shadow 0.18s;
}
.btn-secondary:hover {
  background: linear-gradient(180deg, rgba(77,184,255,0.20), rgba(77,184,255,0.08));
  border-color: rgba(120, 200, 255, 0.6);
  box-shadow:
    0 0 10px var(--accent-glow),
    0 1px 0 rgba(255,255,255,0.18) inset;
}

.paste-divider {
  text-align: center;
  color: var(--text-muted);
  font-size: 0.78rem;
  margin-top: 0.5rem;
  position: relative;
  text-shadow: var(--text-shadow);
}
.paste-divider::before,
.paste-divider::after {
  content: "";
  position: absolute;
  top: 50%;
  width: 36%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--glass-stroke), transparent);
}
.paste-divider::before { left: 0; }
.paste-divider::after  { right: 0; }

.paste-url-hint {
  text-align: center;
  color: var(--text-muted);
  font-size: 0.8rem;
  text-shadow: var(--text-shadow);
}
.paste-url-hint code {
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid rgba(255,255,255,0.08);
  padding: 0.1em 0.4em;
  border-radius: 4px;
  font-family: "Consolas", monospace;
  color: var(--accent-2);
  font-size: 0.86em;
  text-shadow: none;
  box-shadow: 0 1px 0 rgba(255,255,255,0.04) inset;
}

/* ── Title bar (viewer header) ───────────────────────────────────────────── */
.viewer-header {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.55rem 0.9rem 0.55rem 0.7rem;
  background: linear-gradient(180deg, rgba(40, 70, 120, 0.78), rgba(18, 32, 60, 0.78));
  -webkit-backdrop-filter: blur(22px) saturate(170%);
  backdrop-filter: blur(22px) saturate(170%);
  border-bottom: 1px solid rgba(0, 0, 0, 0.4);
  box-shadow:
    0 1px 0 rgba(255,255,255,0.18) inset,
    0 1px 0 rgba(0,0,0,0.55);
  flex-shrink: 0;
  position: relative;
  z-index: 2;
}

.viewer-title {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.05rem;
  min-width: 0;
}
.folder-title {
  flex-direction: row;
  align-items: center;
  gap: 0.55rem;
  color: var(--text);
}
.folder-title svg { color: var(--accent-2); }

.file-name-label {
  font-size: 0.92rem;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  text-shadow: var(--text-shadow);
}
.file-size-label {
  font-size: 0.74rem;
  color: var(--text-muted);
  text-shadow: var(--text-shadow);
}

/* ── Round glass icon buttons (back / download / home) ───────────────────── */
.btn-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  border: 1px solid var(--glass-stroke);
  border-top-color: var(--glass-stroke-hi);
  background: linear-gradient(180deg, rgba(255,255,255,0.18), rgba(255,255,255,0.04));
  color: var(--text);
  text-shadow: var(--text-shadow);
  cursor: pointer;
  flex-shrink: 0;
  text-decoration: none;
  box-shadow:
    0 1px 0 rgba(255,255,255,0.30) inset,
    0 -1px 0 rgba(0,0,0,0.25) inset,
    0 2px 4px rgba(0, 0, 0, 0.3);
  transition: background 0.15s, color 0.15s, box-shadow 0.15s, transform 0.06s;
}
.btn-icon:hover {
  background: linear-gradient(180deg, rgba(120,200,255,0.55), rgba(77,184,255,0.35));
  color: #fff;
  box-shadow:
    0 1px 0 rgba(255,255,255,0.5) inset,
    0 -1px 0 rgba(0,0,0,0.25) inset,
    0 0 14px var(--accent-glow);
}
.btn-icon:active { transform: translateY(1px); }

.badge {
  display: inline-flex;
  align-items: center;
  background: linear-gradient(180deg, rgba(77,184,255,0.30), rgba(40,120,200,0.30));
  border: 1px solid rgba(120, 200, 255, 0.5);
  color: #E7F4FF;
  text-shadow: 0 1px 1px rgba(0, 30, 60, 0.55);
  border-radius: 99px;
  padding: 0.1rem 0.6rem;
  font-size: 0.74rem;
  font-weight: 700;
  box-shadow: 0 0 0 1px rgba(0,0,0,0.15) inset, 0 0 8px var(--accent-soft);
}

/* ── Single media view ───────────────────────────────────────────────────── */
#view-single { display: none; }
#view-single.active { display: flex; }

.media-container {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  background:
    radial-gradient(ellipse at center, rgba(0,0,0,0.55) 0%, rgba(0,0,0,0.85) 100%);
  overflow: hidden;
  position: relative;
  box-shadow: 0 1px 0 rgba(255,255,255,0.04) inset;
}
.media-container video {
  width: 100%;
  height: 100%;
  max-height: calc(100vh - 60px);
  object-fit: contain;
  box-shadow: 0 12px 40px rgba(0,0,0,0.6);
  border: 1px solid rgba(255,255,255,0.06);
  background: #000;
}
.media-container img {
  max-width: 100%;
  max-height: calc(100vh - 60px);
  object-fit: contain;
  display: block;
  box-shadow: 0 12px 40px rgba(0,0,0,0.6);
  border: 1px solid rgba(255,255,255,0.06);
}

/* ── Folder / grid view ──────────────────────────────────────────────────── */
#view-folder { display: none; }
#view-folder.active { display: flex; }

.folder-main {
  flex: 1;
  overflow-y: auto;
  padding: 1.5rem;
}

.file-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 1rem;
}

/* Plain tile — no glass, no border, no shadow, no hover-lift. */
.grid-item {
  position: relative;
  background: transparent;
  border: none;
  border-radius: 0;
  overflow: hidden;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  box-shadow: none;
  transition: none;
}
.grid-item:hover {
  background: transparent;
  border-color: transparent;
  box-shadow: none;
  transform: none;
}

.grid-thumb {
  aspect-ratio: 16/9;
  background: rgba(0, 0, 0, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  border-radius: 6px;
}
.grid-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.grid-thumb .thumb-icon {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  color: var(--text-muted);
}
.grid-thumb .type-badge { display: none; }

.grid-info {
  padding: 0.4rem 0 0;
  display: block;
}
.grid-name {
  font-size: 0.78rem;
  font-weight: 400;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  color: var(--text);
  text-shadow: none;
  opacity: 0.78;
}
.grid-meta {
  display: none;
}
.grid-play-btn { display: none; }
.grid-item:hover .grid-play-btn { display: none; }

/* ── Media overlay (lightbox) ────────────────────────────────────────────── */
.media-overlay {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  padding: 0 0.5rem;
}
.media-overlay.hidden { display: none; }

.overlay-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(2, 6, 16, 0.55);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  backdrop-filter: blur(14px) saturate(140%);
}

.overlay-nav {
  position: relative;
  z-index: 2;
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(180deg, rgba(255,255,255,0.22), rgba(255,255,255,0.06));
  border: 1px solid rgba(255,255,255,0.35);
  border-top-color: rgba(255,255,255,0.55);
  color: #fff;
  text-shadow: var(--text-shadow);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow:
    0 1px 0 rgba(255,255,255,0.4) inset,
    0 -1px 0 rgba(0,0,0,0.25) inset,
    0 4px 12px rgba(0, 0, 0, 0.45);
  transition: background 0.15s, transform 0.1s, box-shadow 0.15s;
}
.overlay-nav:hover {
  background: linear-gradient(180deg, rgba(120,200,255,0.55), rgba(77,184,255,0.4));
  box-shadow:
    0 1px 0 rgba(255,255,255,0.55) inset,
    0 0 16px var(--accent-glow);
  transform: scale(1.05);
}
.overlay-nav:active { transform: scale(0.96); }

@media (max-width: 600px) {
  .overlay-nav { width: 38px; height: 38px; }
}

.overlay-content {
  position: relative;
  z-index: 1;
  background: linear-gradient(180deg, rgba(20, 36, 68, 0.78), rgba(10, 18, 38, 0.85));
  -webkit-backdrop-filter: blur(28px) saturate(180%);
  backdrop-filter: blur(28px) saturate(180%);
  border: 1px solid var(--glass-stroke);
  border-top-color: var(--glass-stroke-hi);
  border-radius: var(--radius-lg);
  overflow: hidden;
  max-width: min(calc(96vw - 120px), 1200px);
  max-height: 95vh;
  width: 100%;
  display: flex;
  flex-direction: column;
  box-shadow:
    0 1px 0 rgba(255,255,255,0.18) inset,
    0 -1px 0 rgba(0,0,0,0.45) inset,
    0 20px 60px rgba(0, 0, 0, 0.65);
}
@media (max-width: 600px) {
  .overlay-content { max-width: calc(96vw - 96px); }
}

.overlay-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.55rem 0.75rem 0.55rem 0.9rem;
  border-bottom: 1px solid rgba(0, 0, 0, 0.45);
  box-shadow: 0 1px 0 rgba(255,255,255,0.10) inset;
  flex-shrink: 0;
  gap: 0.5rem;
}

.overlay-title-group {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  min-width: 0;
  flex: 1;
}

.overlay-counter {
  font-size: 0.74rem;
  font-weight: 700;
  color: #E7F4FF;
  text-shadow: 0 1px 1px rgba(0, 30, 60, 0.6);
  background: linear-gradient(180deg, rgba(77,184,255,0.35), rgba(40,120,200,0.35));
  border: 1px solid rgba(120, 200, 255, 0.5);
  padding: 0.12rem 0.5rem;
  border-radius: 99px;
  white-space: nowrap;
  flex-shrink: 0;
  box-shadow: 0 0 8px var(--accent-soft);
}

.overlay-media {
  flex: 1;
  background: radial-gradient(ellipse at center, rgba(0,0,0,0.6) 0%, rgba(0,0,0,0.9) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  min-height: 200px;
  max-height: calc(95vh - 56px);
}
.overlay-media video {
  max-width: 100%;
  max-height: calc(95vh - 56px);
  object-fit: contain;
  box-shadow: 0 8px 30px rgba(0,0,0,0.6);
}
.overlay-media img {
  max-width: 100%;
  max-height: calc(95vh - 56px);
  object-fit: contain;
  box-shadow: 0 8px 30px rgba(0,0,0,0.6);
}

/* ── Scrollbars (Aero-style, thin and blue) ──────────────────────────────── */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track {
  background: rgba(0, 0, 0, 0.25);
  border-radius: 99px;
}
::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, rgba(120,200,255,0.45), rgba(77,184,255,0.30));
  border: 2px solid rgba(0, 0, 0, 0.0);
  background-clip: padding-box;
  border-radius: 99px;
  box-shadow: 0 0 0 1px rgba(255,255,255,0.05) inset;
}
::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(180deg, rgba(160,215,255,0.65), rgba(110,200,255,0.5));
  background-clip: padding-box;
}

/* ── Selection ───────────────────────────────────────────────────────────── */
::selection {
  background: var(--accent-soft);
  color: #fff;
  text-shadow: none;
}

/* ── Responsive ──────────────────────────────────────────────────────────── */
@media (max-width: 480px) {
  .file-grid { grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 0.75rem; }
  .folder-main { padding: 1rem; }
  .paste-card  { padding: 1.4rem 1.2rem 1.2rem; }
}