@import url('https://cdnjs.cloudflare.com/ajax/libs/JetBrains-Mono/2.304/css/jetbrains-mono.min.css');

:root {
  --bg: #0D0F12;
  --surface: #16191E;
  --surface-hi: #1D2128;
  --border: #262B33;
  --text: #E8E9EB;
  --text-dim: #7A828E;
  --accent: #5EEAD4;
  --accent-dim: #2B4B47;
  --danger: #F87171;
  --radius: 10px;
  --mono: 'JetBrains Mono', ui-monospace, monospace;
  --sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  min-height: 100vh;
}

button, input {
  font-family: inherit;
}

.hidden { display: none !important; }

/* ── Lock screen ── */
.lock-screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background:
    radial-gradient(circle at 50% 0%, #1a1e25 0%, var(--bg) 60%);
}

.lock-panel {
  width: 100%;
  max-width: 400px;
  text-align: center;
}

.lock-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 28px;
  color: var(--text-dim);
  transition: color 0.4s ease;
}

.lock-icon svg { width: 100%; height: 100%; }

#shackle {
  transform-origin: 24px 21px;
  transition: transform 0.5s cubic-bezier(.34,1.56,.64,1);
}

.lock-icon.unlocked {
  color: var(--accent);
}
.lock-icon.unlocked #shackle {
  transform: translateY(-4px) rotate(-18deg);
}

.eyebrow {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.25em;
  color: var(--text-dim);
  margin: 0 0 12px;
}

.lock-panel h1 {
  font-size: 26px;
  font-weight: 600;
  margin: 0 0 12px;
  letter-spacing: -0.01em;
}

.lock-panel .sub {
  color: var(--text-dim);
  font-size: 14px;
  line-height: 1.6;
  margin: 0 0 32px;
}

.unlock-form {
  display: flex;
  gap: 8px;
}

#secretInput {
  flex: 1;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
  color: var(--text);
  font-size: 16px;
  letter-spacing: 0.1em;
  outline: none;
  transition: border-color 0.2s;
}
#secretInput:focus {
  border-color: var(--accent);
}
#secretInput.shake {
  animation: shake 0.4s;
  border-color: var(--danger);
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-6px); }
  75% { transform: translateX(6px); }
}

#unlockBtn {
  background: var(--text);
  color: var(--bg);
  border: none;
  border-radius: var(--radius);
  padding: 14px 20px;
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  transition: opacity 0.2s;
  white-space: nowrap;
}
#unlockBtn:hover { opacity: 0.85; }
#unlockBtn:disabled { opacity: 0.5; cursor: wait; }

.error {
  color: var(--danger);
  font-size: 13px;
  margin-top: 14px;
  min-height: 18px;
}

/* ── Vault ── */
.vault {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px 80px;
}

.vault-header {
  position: sticky;
  top: 0;
  background: rgba(13,15,18,0.9);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 0;
  border-bottom: 1px solid var(--border);
  margin-bottom: 24px;
  z-index: 10;
}

.brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-weight: 600;
  letter-spacing: 0.15em;
  font-size: 14px;
}
.brand-mark { color: var(--accent); }

.header-actions {
  display: flex;
  gap: 10px;
}

.upload-btn {
  background: var(--accent);
  color: #06201C;
  border-radius: var(--radius);
  padding: 10px 16px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.2s;
}
.upload-btn:hover { opacity: 0.85; }

.ghost-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-dim);
  border-radius: var(--radius);
  padding: 10px 16px;
  font-size: 13px;
  cursor: pointer;
  transition: all 0.2s;
}
.ghost-btn:hover { border-color: var(--text-dim); color: var(--text); }

/* ── Upload queue ── */
.upload-queue {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 20px;
}

.upload-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
}

.upload-item .name {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--text-dim);
}

.upload-item .status {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--accent);
  white-space: nowrap;
}
.upload-item.error .status { color: var(--danger); }

.progress-bar {
  width: 60px;
  height: 3px;
  background: var(--border);
  border-radius: 2px;
  overflow: hidden;
  flex-shrink: 0;
}
.progress-bar-fill {
  height: 100%;
  background: var(--accent);
  width: 0%;
  transition: width 0.2s;
}

/* ── Grid ── */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 14px;
}

.card {
  position: relative;
  aspect-ratio: 1;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--surface);
  border: 1px solid var(--border);
  cursor: pointer;
}

.card img, .card video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  filter: blur(16px) saturate(0.5);
  transform: scale(1.1);
  opacity: 0;
  transition: filter 0.6s ease, opacity 0.4s ease, transform 0.6s ease;
}

.card.revealed img, .card.revealed video {
  filter: blur(0) saturate(1);
  transform: scale(1);
  opacity: 1;
}

.card .placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-dim);
  font-family: var(--mono);
  font-size: 11px;
}

.card .card-footer {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 8px 10px;
  background: linear-gradient(to top, rgba(0,0,0,0.75), transparent);
  font-size: 11px;
  font-family: var(--mono);
  color: #fff;
  opacity: 0;
  transition: opacity 0.2s;
  display: flex;
  justify-content: space-between;
  gap: 8px;
}
.card:hover .card-footer { opacity: 1; }
.card .card-footer .fname {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.card .delete-btn {
  position: absolute;
  top: 8px;
  right: 8px;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: rgba(0,0,0,0.55);
  color: #fff;
  border: none;
  cursor: pointer;
  font-size: 13px;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.2s, background 0.2s;
}
.card:hover .delete-btn { opacity: 1; }
.card .delete-btn:hover { background: var(--danger); }

.card .video-badge {
  position: absolute;
  top: 8px;
  left: 8px;
  background: rgba(0,0,0,0.55);
  color: #fff;
  font-size: 10px;
  font-family: var(--mono);
  padding: 3px 6px;
  border-radius: 4px;
}

.empty-state {
  text-align: center;
  color: var(--text-dim);
  font-size: 14px;
  line-height: 1.8;
  padding: 80px 20px;
}

/* ── Lightbox ── */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(6,7,9,0.95);
  backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: 40px;
}

.lightbox-content img, .lightbox-content video {
  max-width: 100%;
  max-height: 85vh;
  border-radius: 8px;
  display: block;
}

.lightbox-close {
  position: absolute;
  top: 20px;
  right: 24px;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 14px;
}

/* ── View tabs ── */
.view-tabs {
  display: flex;
  gap: 4px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 3px;
}
.view-tab {
  background: transparent;
  border: none;
  color: var(--text-dim);
  padding: 7px 16px;
  border-radius: 7px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}
.view-tab:hover { color: var(--text); }
.view-tab.active {
  background: var(--surface-hi);
  color: var(--accent);
}

.view.hidden { display: none !important; }

.danger-btn:hover { border-color: var(--danger); color: var(--danger); }
.small-btn { padding: 8px 12px; font-size: 12px; }

/* ── Album list ── */
.albums-toolbar {
  display: flex;
  justify-content: flex-end;
  margin-bottom: 18px;
}

.albums-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 14px;
}

.album-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  cursor: pointer;
  transition: border-color 0.2s, transform 0.15s;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.album-card:hover { border-color: var(--accent); transform: translateY(-1px); }

.album-card .album-icon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--accent-dim);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--mono);
  font-weight: 700;
  font-size: 15px;
}

.album-card .album-name {
  font-weight: 600;
  font-size: 15px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.album-card .album-count {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--text-dim);
}

/* ── Album detail ── */
.album-detail-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 18px;
}
.album-detail-actions { display: flex; gap: 8px; }

.album-detail-name {
  font-size: 22px;
  margin: 0 0 10px;
}

.album-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}
.album-link-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  text-decoration: none;
  font-size: 12px;
  padding: 6px 12px;
  border-radius: 999px;
  transition: border-color 0.2s;
}
.album-link-chip:hover { border-color: var(--accent); color: var(--accent); }

/* ── Card action button dùng chung (album-add, remove-from-album) ── */
.card .album-btn {
  position: absolute;
  top: 8px;
  right: 40px;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: rgba(0,0,0,0.55);
  color: #fff;
  border: none;
  cursor: pointer;
  font-size: 13px;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.2s, background 0.2s;
}
.card:hover .album-btn { opacity: 1; }
.card .album-btn:hover { background: var(--accent); color: #06201C; }

/* ── Modal ── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(6,7,9,0.75);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 200;
  padding: 20px;
}
.modal-overlay.hidden { display: none; }

.modal-panel {
  width: 100%;
  max-width: 420px;
  max-height: 85vh;
  overflow-y: auto;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
}
.modal-panel-wide { max-width: 640px; }

.modal-panel h3 {
  margin: 0 0 18px;
  font-size: 17px;
}

.field-label {
  display: block;
  font-size: 12px;
  color: var(--text-dim);
  margin: 14px 0 6px;
}

.text-input {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 10px 12px;
  color: var(--text);
  font-size: 14px;
  outline: none;
  transition: border-color 0.2s;
}
.text-input:focus { border-color: var(--accent); }

.album-links-form { display: flex; flex-direction: column; gap: 8px; }
.link-row {
  display: flex;
  gap: 6px;
  align-items: center;
}
.link-row select {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 7px;
  color: var(--text);
  font-size: 13px;
  padding: 9px 6px;
  flex: 0 0 110px;
}
.link-row input {
  flex: 1;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 7px;
  color: var(--text);
  font-size: 13px;
  padding: 9px 10px;
  outline: none;
  min-width: 0;
}
.link-row input:focus { border-color: var(--accent); }
.link-row .remove-link-btn {
  background: transparent;
  border: none;
  color: var(--text-dim);
  cursor: pointer;
  font-size: 15px;
  flex: 0 0 auto;
  padding: 4px 6px;
}
.link-row .remove-link-btn:hover { color: var(--danger); }

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 20px;
}

.photo-picker-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(90px, 1fr));
  gap: 8px;
  max-height: 50vh;
  overflow-y: auto;
  padding: 2px;
}
.picker-item {
  position: relative;
  aspect-ratio: 1;
  border-radius: 8px;
  overflow: hidden;
  background: var(--surface-hi);
  border: 2px solid var(--border);
  cursor: pointer;
}
.picker-item.selected { border-color: var(--accent); }
.picker-item img, .picker-item video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.picker-item .picker-check {
  position: absolute;
  top: 5px;
  right: 5px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: rgba(0,0,0,0.6);
  color: #fff;
  font-size: 11px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.picker-item.selected .picker-check { background: var(--accent); color: #06201C; }
.picker-item .picker-name {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  font-size: 9px;
  padding: 3px 4px;
  background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
  color: #fff;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.picker-item.placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--mono);
  font-size: 9px;
  color: var(--text-dim);
  text-align: center;
  padding: 4px;
}

.quick-add-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
  max-height: 40vh;
  overflow-y: auto;
}
.quick-add-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
  font-size: 13px;
  transition: border-color 0.2s;
}
.quick-add-item:hover { border-color: var(--accent); }
.quick-add-item.added { border-color: var(--accent); color: var(--accent); }
.empty-hint {
  color: var(--text-dim);
  font-size: 13px;
  text-align: center;
  padding: 10px 0;
}

/* ── Responsive ── */
@media (max-width: 600px) {
  .lock-panel h1 { font-size: 22px; }
  .unlock-form { flex-direction: column; }
  .grid { grid-template-columns: repeat(auto-fill, minmax(130px, 1fr)); gap: 8px; }
  .vault { padding: 0 14px 60px; }
  .vault-header { flex-wrap: wrap; gap: 10px; }
  .albums-grid { grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); }
  .link-row select { flex-basis: 90px; }
}

/* ── Reduced motion ── */
@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

/* ── Focus visibility ── */
a:focus-visible, button:focus-visible, input:focus-visible, label:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}