/* ---------------- THEME TOKENS ---------------- */
:root {
  --bg: #f4f5fa;
  --surface: #ffffff;
  --surface-2: #f3f4f9;
  --surface-3: #e9ebf3;
  --border: #e3e6ef;
  --text: #141828;
  --muted: #687089;
  --primary: #4f46e5;
  --primary-2: #7c3aed;
  --primary-soft: rgba(79, 70, 229, .1);
  --on-primary: #ffffff;
  --success: #15803d;
  --success-soft: rgba(22, 163, 74, .12);
  --warning: #b45309;
  --warning-soft: rgba(217, 119, 6, .13);
  --danger: #dc2626;
  --danger-soft: rgba(220, 38, 38, .1);
  --info: #0369a1;
  --info-soft: rgba(2, 132, 199, .11);
  --c1: #4f46e5; --c2: #0ea5e9; --c3: #f59e0b; --c4: #ec4899;
  --shadow-sm: 0 1px 2px rgba(20, 24, 40, .05);
  --shadow: 0 1px 2px rgba(20, 24, 40, .04), 0 8px 24px -8px rgba(20, 24, 40, .1);
  --shadow-lg: 0 24px 60px -12px rgba(20, 24, 40, .28);
  --blob-opacity: .45;
  --radius: 16px;
  --radius-sm: 10px;
  --ease: cubic-bezier(.22, 1, .36, 1);
  --spring: cubic-bezier(.34, 1.56, .64, 1);
  color-scheme: light;
}

:root[data-theme="dark"] {
  --bg: #090c15;
  --surface: #121725;
  --surface-2: #181e2f;
  --surface-3: #212842;
  --border: #252c43;
  --text: #e7eaf6;
  --muted: #8b93b0;
  --primary: #8b8cff;
  --primary-2: #b583ff;
  --primary-soft: rgba(139, 140, 255, .14);
  --on-primary: #0b0d1a;
  --success: #4ade80;
  --success-soft: rgba(74, 222, 128, .12);
  --warning: #fbbf24;
  --warning-soft: rgba(251, 191, 36, .13);
  --danger: #f87171;
  --danger-soft: rgba(248, 113, 113, .13);
  --info: #38bdf8;
  --info-soft: rgba(56, 189, 248, .13);
  --c1: #8b8cff; --c2: #38bdf8; --c3: #fbbf24; --c4: #f472b6;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, .3);
  --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 10px 30px -10px rgba(0, 0, 0, .55);
  --shadow-lg: 0 30px 80px -10px rgba(0, 0, 0, .7);
  --blob-opacity: .22;
  color-scheme: dark;
}

/* Theme switch: circular reveal via the View Transitions API */
::view-transition-old(root),
::view-transition-new(root) { animation: none; mix-blend-mode: normal; }

/* ---------------- BASE ---------------- */
*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 14.5px;
  line-height: 1.5;
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

h1, h2, h3 { margin: 0; letter-spacing: -.02em; }
p { margin: 0; }
code, .mono { font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .86em; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; color: inherit; }
[hidden] { display: none !important; }
.muted { color: var(--muted); }

.icon {
  width: 18px; height: 18px; flex: none;
  fill: none; stroke: currentColor; stroke-width: 2;
  stroke-linecap: round; stroke-linejoin: round;
}

::selection { background: var(--primary-soft); }

:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; border-radius: 6px; }

/* Ambient animated background */
.backdrop { position: fixed; inset: 0; z-index: -1; overflow: hidden; pointer-events: none; }
.backdrop span {
  position: absolute; width: 46vmax; height: 46vmax; border-radius: 50%;
  filter: blur(90px); opacity: var(--blob-opacity);
  animation: drift 26s ease-in-out infinite alternate;
}
.backdrop span:nth-child(1) { background: #c7d2fe; top: -18vmax; right: -10vmax; }
.backdrop span:nth-child(2) { background: #e9d5ff; bottom: -22vmax; left: 10vmax; animation-delay: -8s; animation-duration: 32s; }
.backdrop span:nth-child(3) { background: #bae6fd; top: 30%; right: 25%; width: 26vmax; height: 26vmax; animation-delay: -16s; }
:root[data-theme="dark"] .backdrop span:nth-child(1) { background: #3730a3; }
:root[data-theme="dark"] .backdrop span:nth-child(2) { background: #6b21a8; }
:root[data-theme="dark"] .backdrop span:nth-child(3) { background: #075985; }

@keyframes drift {
  from { transform: translate(0, 0) scale(1); }
  to { transform: translate(-6vmax, 5vmax) scale(1.12); }
}

/* ---------------- LAYOUT ---------------- */
.app { display: grid; grid-template-columns: 252px 1fr; min-height: 100vh; }

.sidebar {
  position: sticky; top: 0; height: 100vh;
  display: flex; flex-direction: column; gap: 26px;
  padding: 22px 16px;
  background: color-mix(in srgb, var(--surface) 78%, transparent);
  backdrop-filter: blur(18px);
  border-right: 1px solid var(--border);
}

.brand { display: flex; align-items: center; gap: 12px; padding: 4px 8px; }
.brand-mark {
  display: grid; place-items: center; width: 40px; height: 40px; border-radius: 12px;
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  color: #fff; box-shadow: 0 8px 20px -6px var(--primary);
  animation: float 6s ease-in-out infinite;
}
.brand-mark .icon { width: 20px; height: 20px; }
.brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.brand-text b { font-size: 16px; letter-spacing: -.02em; }
.brand-text small { color: var(--muted); font-size: 12px; }

@keyframes float { 50% { transform: translateY(-3px) rotate(-3deg); } }

.nav { position: relative; display: flex; flex-direction: column; gap: 4px; }
.nav a {
  position: relative; z-index: 1;
  display: flex; align-items: center; gap: 12px;
  padding: 10px 12px; border-radius: 10px;
  color: var(--muted); font-weight: 500;
  transition: color .25s var(--ease);
}
.nav a:hover { color: var(--text); }
.nav a.active { color: var(--primary); font-weight: 600; }
.nav a .icon { transition: transform .35s var(--spring); }
.nav a:hover .icon { transform: scale(1.12) rotate(-4deg); }
.nav-indicator {
  position: absolute; left: 0; right: 0; top: 0; height: 42px; z-index: 0;
  border-radius: 10px; background: var(--primary-soft);
  transition: transform .45s var(--spring), height .3s var(--ease), opacity .2s;
  opacity: 0;
}
.nav-indicator::before {
  content: ""; position: absolute; left: -16px; top: 10px; bottom: 10px; width: 3px;
  border-radius: 0 3px 3px 0; background: var(--primary);
}
.nav-badge {
  margin-left: auto; min-width: 22px; padding: 1px 7px; border-radius: 99px;
  background: var(--danger); color: #fff; font-size: 11.5px; text-align: center;
  animation: pop .5s var(--spring);
}

.sidebar-foot { margin-top: auto; display: flex; flex-direction: column; gap: 10px; }

.db-status {
  display: flex; align-items: center; gap: 12px;
  padding: 12px; border-radius: 12px;
  background: var(--surface-2); border: 1px solid var(--border);
}
.db-status b { display: block; font-size: 13px; }
.db-status small { display: block; color: var(--muted); font-size: 11.5px; }
.pulse { position: relative; width: 10px; height: 10px; border-radius: 50%; background: var(--muted); flex: none; }
.db-status.ok .pulse { background: var(--success); }
.db-status.error .pulse { background: var(--danger); }
.db-status.ok .pulse::after {
  content: ""; position: absolute; inset: 0; border-radius: 50%; background: var(--success);
  animation: ping 1.8s cubic-bezier(0, 0, .2, 1) infinite;
}
@keyframes ping { 75%, 100% { transform: scale(2.6); opacity: 0; } }

.theme-toggle {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 12px; border-radius: 12px; border: 1px solid var(--border);
  background: var(--surface); cursor: pointer; font-weight: 500;
  transition: border-color .2s, transform .2s var(--ease);
}
.theme-toggle:hover { border-color: var(--primary); }
.theme-toggle:active { transform: scale(.97); }
.theme-icons { position: relative; width: 18px; height: 18px; }
.theme-icons .icon { position: absolute; inset: 0; transition: transform .6s var(--spring), opacity .3s; }
:root[data-theme="light"] .theme-icons .sun { transform: rotate(90deg) scale(0); opacity: 0; }
:root[data-theme="dark"] .theme-icons .moon { transform: rotate(-90deg) scale(0); opacity: 0; }

.main { min-width: 0; padding: 28px clamp(16px, 3vw, 40px) 60px; }

.topbar {
  display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; flex-wrap: wrap;
  margin-bottom: 24px;
}
.title-block h1 { font-size: clamp(24px, 3vw, 30px); font-weight: 800; }
.title-block p { color: var(--muted); margin-top: 4px; }
.title-block.swap h1, .title-block.swap p { animation: fadeUp .5s var(--ease) both; }
.title-block.swap p { animation-delay: .05s; }
.topbar-actions { display: flex; gap: 10px; flex-wrap: wrap; }

/* ---------------- VIEWS & ENTRANCE ANIMATION ---------------- */
.view.entering > *,
.view.entering .stat,
.view.entering .dash-grid > *,
.view.entering .circ-grid > *,
.view.entering .people-layout > * {
  animation: fadeUp .6s var(--ease) both;
  animation-delay: calc(var(--i, 0) * 55ms);
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(14px); }
  to { opacity: 1; transform: none; }
}
@keyframes fadeIn { from { opacity: 0; } }
@keyframes pop { from { transform: scale(0); } }

/* ---------------- CARDS ---------------- */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
}
.card-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 16px; flex-wrap: wrap; }
.card-head h2 { display: flex; align-items: center; gap: 8px; font-size: 16px; font-weight: 700; }
.card-head h2 .icon { color: var(--warning); }

.chip {
  display: inline-flex; align-items: center; padding: 3px 9px; border-radius: 99px;
  background: var(--surface-2); border: 1px solid var(--border);
  color: var(--muted); font-size: 11.5px; white-space: nowrap;
}

/* ---------------- STATS ---------------- */
.stats { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 16px; margin-bottom: 18px; }
.stat {
  display: flex; align-items: center; gap: 14px;
  padding: 18px; border-radius: var(--radius);
  background: var(--surface); border: 1px solid var(--border); box-shadow: var(--shadow);
  transition: transform .35s var(--ease), box-shadow .35s var(--ease), border-color .35s;
}
.stat:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); border-color: color-mix(in srgb, var(--primary) 30%, var(--border)); }
.stat-icon { display: grid; place-items: center; width: 44px; height: 44px; border-radius: 12px; flex: none; }
.stat-icon .icon { width: 21px; height: 21px; }
.tone-primary { background: var(--primary-soft); color: var(--primary); }
.tone-info { background: var(--info-soft); color: var(--info); }
.tone-danger { background: var(--danger-soft); color: var(--danger); }
.tone-success { background: var(--success-soft); color: var(--success); }
.stat-body { display: flex; flex-direction: column; min-width: 0; }
.stat-label { color: var(--muted); font-size: 12.5px; font-weight: 500; }
.stat strong { font-size: 26px; font-weight: 800; letter-spacing: -.03em; line-height: 1.25; font-variant-numeric: tabular-nums; }
.stat-sub { color: var(--muted); font-size: 12px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.ring { width: 44px; height: 44px; flex: none; transform: rotate(-90deg); }
.ring circle { fill: none; stroke-width: 5; }
.ring-track { stroke: var(--surface-3); }
.ring-value {
  stroke: var(--success); stroke-linecap: round;
  stroke-dasharray: 0 113.1;
  transition: stroke-dasharray 1.2s var(--ease);
}

/* ---------------- DASHBOARD CHARTS ---------------- */
.dash-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.span-2 { grid-column: span 2; }

.bar-chart { display: flex; align-items: flex-end; gap: clamp(8px, 2vw, 22px); height: 210px; padding-top: 22px; }
.bar-col { flex: 1; display: flex; flex-direction: column; align-items: center; gap: 8px; height: 100%; min-width: 0; }
.bar-track { flex: 1; width: 100%; display: flex; align-items: flex-end; }
.bar {
  position: relative; width: 100%; max-width: 54px; margin: 0 auto;
  height: calc(var(--v) * 100%); min-height: 4px;
  border-radius: 8px 8px 4px 4px;
  background: linear-gradient(180deg, var(--primary), color-mix(in srgb, var(--primary) 45%, transparent));
  transform-origin: bottom;
  animation: grow 1s var(--ease) both;
  animation-delay: calc(var(--i) * 80ms);
  transition: filter .2s;
}
.bar:hover { filter: brightness(1.15); }
.bar.current { background: linear-gradient(180deg, var(--primary-2), color-mix(in srgb, var(--primary-2) 45%, transparent)); }
.bar b {
  position: absolute; top: -22px; left: 50%; transform: translateX(-50%);
  font-size: 12px; font-weight: 700; font-variant-numeric: tabular-nums;
  animation: fadeIn .4s both; animation-delay: calc(var(--i) * 80ms + .6s);
}
.bar-col span { color: var(--muted); font-size: 12px; }
@keyframes grow { from { transform: scaleY(0); } }

.donut-wrap { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.donut { width: 132px; height: 132px; transform: rotate(-90deg); flex: none; }
.donut circle { fill: none; stroke-width: 15; }
.donut .seg { animation: draw 1.2s var(--ease) both; animation-delay: calc(var(--i) * 120ms); transition: stroke-width .25s; }
.donut .seg:hover { stroke-width: 19; }
@keyframes draw { from { stroke-dasharray: 0 var(--c); } }
.donut-center { position: relative; }
.donut-center div { position: absolute; inset: 0; display: grid; place-content: center; text-align: center; }
.donut-center b { font-size: 22px; font-weight: 800; line-height: 1; }
.donut-center small { color: var(--muted); font-size: 11px; }
.legend { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; flex: 1; min-width: 120px; }
.legend li { display: flex; align-items: center; gap: 8px; font-size: 13px; }
.legend i { width: 10px; height: 10px; border-radius: 3px; flex: none; }
.legend b { margin-left: auto; font-variant-numeric: tabular-nums; }

.rank { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; counter-reset: rank; }
.rank li { counter-increment: rank; display: grid; grid-template-columns: 22px 1fr auto; align-items: center; gap: 4px 10px; }
.rank li::before { content: counter(rank); color: var(--muted); font-weight: 700; font-size: 12px; grid-row: span 2; }
.rank .name { font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.rank .value { color: var(--muted); font-size: 12.5px; font-variant-numeric: tabular-nums; }
.rank .meter { grid-column: 2 / -1; height: 6px; border-radius: 99px; background: var(--surface-3); overflow: hidden; }
.rank .meter span {
  display: block; height: 100%; width: calc(var(--p) * 100%); border-radius: inherit;
  background: linear-gradient(90deg, var(--primary), var(--primary-2));
  animation: widen 1.1s var(--ease) both; animation-delay: calc(var(--i) * 90ms + .15s);
}
@keyframes widen { from { width: 0; } }

.mini-list { display: grid; grid-template-columns: minmax(0, 1fr); gap: 10px; }
.mini-item { display: flex; align-items: center; gap: 12px; padding: 10px 12px; border-radius: 12px; background: var(--surface-2); }
.mini-item .avatar, .mini-item .badge { flex: none; }
.mini-item div { min-width: 0; flex: 1; }
.mini-item b { display: block; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; font-size: 13.5px; }
.mini-item small { color: var(--muted); font-size: 12px; }

.empty { display: grid; place-items: center; gap: 8px; padding: 26px 10px; color: var(--muted); text-align: center; }
.empty .icon { width: 30px; height: 30px; color: var(--success); }

/* ---------------- BUTTONS & FORMS ---------------- */
.btn {
  position: relative; overflow: hidden;
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 10px 16px; border-radius: 11px; border: 1px solid transparent;
  font-weight: 600; cursor: pointer; white-space: nowrap;
  transition: transform .2s var(--ease), box-shadow .25s var(--ease), background .2s, border-color .2s, opacity .2s;
}
.btn:active { transform: scale(.96); }
.btn:disabled { opacity: .6; cursor: not-allowed; }
.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-2)); color: var(--on-primary);
  box-shadow: 0 6px 18px -6px color-mix(in srgb, var(--primary) 70%, transparent);
}
.btn-primary:hover { box-shadow: 0 10px 26px -6px color-mix(in srgb, var(--primary) 80%, transparent); transform: translateY(-1px); }
.btn-ghost { background: var(--surface); border-color: var(--border); }
.btn-ghost:hover { border-color: var(--primary); color: var(--primary); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-block { width: 100%; }
.btn .ripple {
  position: absolute; border-radius: 50%; transform: scale(0); pointer-events: none;
  background: currentColor; opacity: .25; animation: ripple .6s ease-out;
}
@keyframes ripple { to { transform: scale(2.6); opacity: 0; } }
.btn.busy { color: transparent !important; pointer-events: none; }
.btn.busy::after {
  content: ""; position: absolute; width: 18px; height: 18px; border-radius: 50%;
  border: 2.5px solid rgba(255, 255, 255, .35); border-top-color: #fff;
  animation: spin .7s linear infinite;
}
.btn-ghost.busy::after { border-color: var(--border); border-top-color: var(--primary); }
@keyframes spin { to { transform: rotate(360deg); } }

.icon-btn {
  display: grid; place-items: center; width: 34px; height: 34px; border-radius: 10px;
  border: 1px solid transparent; background: transparent; color: var(--muted); cursor: pointer;
  transition: background .2s, color .2s, transform .2s var(--spring);
}
.icon-btn:hover { background: var(--surface-2); color: var(--text); transform: scale(1.08); }
.icon-btn.danger:hover { background: var(--danger-soft); color: var(--danger); }
.icon-btn:disabled { opacity: .35; pointer-events: none; }

.form { display: grid; gap: 14px; }
.field { display: grid; gap: 6px; }
.field > span { display: flex; justify-content: space-between; font-size: 12.5px; font-weight: 600; color: var(--muted); }
.field output { color: var(--primary); font-weight: 700; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }

input:not([type="range"]), select, textarea {
  width: 100%; padding: 10px 12px; border-radius: 10px;
  background: var(--surface-2); border: 1px solid var(--border); color: var(--text);
  transition: border-color .2s, box-shadow .2s, background .2s;
}
input:not([type="range"]):hover, select:hover, textarea:hover { border-color: color-mix(in srgb, var(--primary) 35%, var(--border)); }
input:not([type="range"]):focus, select:focus, textarea:focus {
  outline: none; border-color: var(--primary); background: var(--surface);
  box-shadow: 0 0 0 4px var(--primary-soft);
}
textarea { resize: vertical; min-height: 80px; }
select { cursor: pointer; }
input[type="range"] { width: 100%; accent-color: var(--primary); }
.shake { animation: shake .4s; }
@keyframes shake { 20%, 60% { transform: translateX(-6px); } 40%, 80% { transform: translateX(6px); } }

.due-preview {
  display: flex; align-items: center; gap: 10px; padding: 12px; border-radius: 12px;
  background: var(--primary-soft); color: var(--primary); font-size: 13.5px;
}
.due-preview b { color: var(--text); }

/* Search + segmented control */
.toolbar { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; padding: 12px; margin-bottom: 16px; }
.toolbar select { width: auto; }
.search-field {
  flex: 1; min-width: 220px; position: relative; display: flex; align-items: center;
}
.search-field .icon { position: absolute; left: 12px; color: var(--muted); pointer-events: none; }
.search-field input { padding-left: 40px; padding-right: 40px; }
.search-field kbd {
  position: absolute; right: 10px; padding: 1px 7px; border-radius: 6px;
  border: 1px solid var(--border); background: var(--surface); color: var(--muted); font-size: 12px;
}
.search-field input:not(:placeholder-shown) + kbd { display: none; }
.search-field.compact { flex: 0 1 200px; min-width: 140px; }
.search-field.compact input { padding: 7px 10px 7px 36px; }

.segmented {
  position: relative; display: inline-flex; padding: 4px; border-radius: 12px;
  background: var(--surface-2); border: 1px solid var(--border);
}
.segmented button {
  position: relative; z-index: 1; border: 0; background: none; cursor: pointer;
  padding: 7px 14px; border-radius: 8px; color: var(--muted); font-weight: 600; font-size: 13px;
  transition: color .25s;
}
.segmented button.active { color: var(--text); }
.segmented.small button { padding: 5px 12px; font-size: 12.5px; }
.seg-glider {
  position: absolute; top: 4px; bottom: 4px; left: 0; border-radius: 8px;
  background: var(--surface); box-shadow: var(--shadow-sm), 0 0 0 1px var(--border);
  transition: transform .4s var(--spring), width .3s var(--ease);
}

/* ---------------- BOOKS ---------------- */
.result-meta { display: flex; align-items: center; gap: 10px; color: var(--muted); font-size: 13px; margin: 4px 2px 12px; min-height: 20px; }
.book-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(290px, 1fr)); gap: 16px; }

.book-card {
  position: relative; display: grid; grid-template-columns: 92px 1fr; gap: 16px;
  padding: 16px; border-radius: var(--radius);
  background: var(--surface); border: 1px solid var(--border); box-shadow: var(--shadow);
  animation: fadeUp .55s var(--ease) both; animation-delay: calc(var(--i) * 45ms);
  transition: transform .35s var(--ease), box-shadow .35s var(--ease), border-color .3s;
}
.book-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: color-mix(in srgb, var(--primary) 30%, var(--border)); }
.book-card:hover .cover { transform: rotate(-3deg) scale(1.04); }

.cover {
  position: relative; overflow: hidden;
  display: flex; flex-direction: column; justify-content: space-between;
  height: 128px; padding: 10px 10px 10px 16px; border-radius: 6px 12px 12px 6px;
  background: linear-gradient(150deg, hsl(var(--h) 72% 58%), hsl(calc(var(--h) + 40) 70% 38%));
  color: #fff; box-shadow: 0 10px 22px -10px hsl(var(--h) 70% 40%);
  transition: transform .45s var(--spring);
}
.cover::before { content: ""; position: absolute; left: 5px; top: 0; bottom: 0; width: 2px; background: rgba(255, 255, 255, .28); }
.cover::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(115deg, transparent 35%, rgba(255, 255, 255, .25) 50%, transparent 65%);
  transform: translateX(-100%); transition: transform .8s var(--ease);
}
.book-card:hover .cover::after { transform: translateX(100%); }
.cover span { font-family: Georgia, "Times New Roman", serif; font-size: 26px; font-weight: 700; line-height: 1; }
.cover small { font-size: 9.5px; text-transform: uppercase; letter-spacing: .08em; opacity: .9; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.book-body { display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.book-body h3 { font-size: 15px; line-height: 1.3; }
.book-body .author { color: var(--muted); font-size: 13px; }
.book-body .desc {
  color: var(--muted); font-size: 12.5px;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.avail { display: grid; gap: 5px; margin-top: auto; padding-top: 6px; font-size: 12px; font-weight: 600; }
.avail-bar { height: 6px; border-radius: 99px; background: var(--surface-3); overflow: hidden; }
.avail-bar span {
  display: block; height: 100%; width: calc(var(--p) * 100%); border-radius: inherit;
  background: var(--success); animation: widen 1s var(--ease) both; animation-delay: .2s;
}
.avail.low .avail-bar span { background: var(--warning); }
.avail.out .avail-bar span { background: var(--danger); }
.avail.ok { color: var(--success); }
.avail.low { color: var(--warning); }
.avail.out { color: var(--danger); }
.book-meta { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; color: var(--muted); font-size: 11.5px; }
.score { color: var(--primary); font-weight: 700; }
.card-actions {
  display: flex; gap: 2px; margin: -6px -6px -6px auto;
  opacity: 0; transform: translateX(6px); transition: opacity .25s, transform .25s var(--ease);
}
.book-card:hover .card-actions, .book-card:focus-within .card-actions { opacity: 1; transform: none; }

.skeleton {
  border-radius: var(--radius); height: 162px;
  background: linear-gradient(90deg, var(--surface) 0%, var(--surface-2) 50%, var(--surface) 100%);
  background-size: 200% 100%; border: 1px solid var(--border);
  animation: shimmer 1.3s linear infinite;
}
@keyframes shimmer { from { background-position: 200% 0; } to { background-position: -200% 0; } }

.pager { display: flex; justify-content: center; align-items: center; gap: 6px; margin-top: 22px; flex-wrap: wrap; }
.pager button {
  min-width: 36px; height: 36px; padding: 0 10px; border-radius: 10px;
  border: 1px solid var(--border); background: var(--surface); cursor: pointer; font-weight: 600;
  display: grid; place-items: center;
  transition: border-color .2s, background .2s, transform .2s var(--spring);
}
.pager button:hover:not(:disabled) { border-color: var(--primary); transform: translateY(-2px); }
.pager button.active { background: var(--primary); border-color: var(--primary); color: var(--on-primary); }
.pager button:disabled { opacity: .4; cursor: default; }

/* Index lab */
.explain { margin-bottom: 16px; animation: fadeUp .5s var(--ease) both; }
.explain > p { font-size: 13px; margin: -6px 0 14px; }
.explain-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.plan { padding: 14px; border-radius: 12px; background: var(--surface-2); border: 1px solid var(--border); display: grid; gap: 10px; }
.plan.good { border-color: color-mix(in srgb, var(--success) 45%, var(--border)); }
.plan.bad { border-color: color-mix(in srgb, var(--danger) 40%, var(--border)); }
.plan h3 { font-size: 14px; display: flex; justify-content: space-between; align-items: center; gap: 8px; }
.stages { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }
.stages code { padding: 3px 8px; border-radius: 6px; background: var(--surface); border: 1px solid var(--border); font-size: 11px; }
.stages .arrow { color: var(--muted); font-size: 11px; }
.plan-metric { display: grid; grid-template-columns: 110px 1fr 34px; align-items: center; gap: 10px; font-size: 12.5px; color: var(--muted); }
.plan-metric b { text-align: right; color: var(--text); font-variant-numeric: tabular-nums; }
.plan-bar { height: 8px; border-radius: 99px; background: var(--surface-3); overflow: hidden; }
.plan-bar span { display: block; height: 100%; width: calc(var(--p) * 100%); border-radius: inherit; animation: widen 1s var(--ease) both; }
.plan.good .plan-bar span { background: var(--success); }
.plan.bad .plan-bar span { background: var(--danger); }

/* ---------------- CIRCULATION ---------------- */
.circ-grid { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); gap: 16px; margin-bottom: 16px; }
.rule-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 14px; }
.rule-list li { display: flex; gap: 14px; align-items: center; color: var(--muted); font-size: 13.5px; }
.rule-num {
  flex: none; min-width: 58px; padding: 8px 10px; border-radius: 12px; text-align: center;
  background: var(--primary-soft); color: var(--primary); font-weight: 800; font-size: 16px;
}
.overdue-banner {
  margin-top: 16px; display: flex; gap: 12px; align-items: center;
  padding: 12px 14px; border-radius: 12px; background: var(--danger-soft); color: var(--danger); font-size: 13.5px;
  animation: fadeUp .5s var(--ease) both;
}
.overdue-banner b { color: var(--text); }

.table-wrap { overflow-x: auto; margin: 0 -20px -20px; }
.table { width: 100%; border-collapse: collapse; min-width: 560px; }
.table th {
  text-align: left; font-size: 11.5px; text-transform: uppercase; letter-spacing: .06em;
  color: var(--muted); font-weight: 600; padding: 10px 12px; border-bottom: 1px solid var(--border);
}
.table td { padding: 12px; border-bottom: 1px solid var(--border); vertical-align: middle; }
.table th:first-child, .table td:first-child { padding-left: 20px; }
.table th:last-child, .table td:last-child { padding-right: 20px; text-align: right; }
.nowrap { white-space: nowrap; }
.table tr:last-child td { border-bottom: 0; }
.table tbody tr { animation: fadeUp .45s var(--ease) both; animation-delay: calc(var(--i) * 40ms); transition: background .2s; }
.table tbody tr:hover { background: var(--surface-2); }
.table tr.leaving { animation: rowOut .45s var(--ease) forwards; }
@keyframes rowOut { to { opacity: 0; transform: translateX(30px); } }
.table td small { display: block; color: var(--muted); font-size: 12px; }
.cell-strong { font-weight: 600; }

.badge {
  display: inline-flex; align-items: center; gap: 6px; padding: 4px 10px; border-radius: 99px;
  font-size: 12px; font-weight: 600; white-space: nowrap;
}
.badge::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.badge.ok { background: var(--success-soft); color: var(--success); }
.badge.warn { background: var(--warning-soft); color: var(--warning); }
.badge.danger { background: var(--danger-soft); color: var(--danger); }
.badge.danger::before { animation: blink 1.4s ease-in-out infinite; }
.badge.neutral { background: var(--surface-3); color: var(--muted); }
@keyframes blink { 50% { opacity: .25; } }

.btn-sm { padding: 6px 12px; font-size: 12.5px; border-radius: 9px; }

/* ---------------- BORROWERS ---------------- */
.people-layout { display: grid; grid-template-columns: minmax(260px, 340px) minmax(0, 1fr); gap: 16px; align-items: start; }
.people { display: grid; gap: 8px; }
.person {
  display: grid; grid-template-columns: 42px minmax(0, 1fr) auto auto; align-items: center; gap: 14px;
  padding: 10px 12px; border-radius: 12px; border: 1px solid transparent;
  animation: fadeUp .45s var(--ease) both; animation-delay: calc(var(--i) * 40ms);
  transition: background .2s, border-color .2s;
}
.person:hover { background: var(--surface-2); border-color: var(--border); }
.avatar {
  display: grid; place-items: center; width: 42px; height: 42px; border-radius: 50%;
  background: linear-gradient(135deg, hsl(var(--h) 75% 62%), hsl(calc(var(--h) + 50) 70% 45%));
  color: #fff; font-weight: 700; font-size: 14px;
}
.person-info { min-width: 0; }
.person-info b { display: block; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.person-info small { color: var(--muted); font-size: 12.5px; }
.loan-dots { display: flex; gap: 4px; align-items: center; }
.loan-dots i { width: 9px; height: 9px; border-radius: 50%; background: var(--surface-3); transition: background .3s; }
.loan-dots i.on { background: var(--primary); animation: pop .4s var(--spring) both; }
.loan-dots.full i.on { background: var(--warning); }
.row-actions { display: flex; gap: 2px; }

/* ---------------- AUTHORS ---------------- */
.author-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 16px; }
.author-card {
  position: relative; display: grid; gap: 14px; padding: 20px; border-radius: var(--radius);
  background: var(--surface); border: 1px solid var(--border); box-shadow: var(--shadow);
  animation: fadeUp .5s var(--ease) both; animation-delay: calc(var(--i) * 45ms);
  transition: transform .35s var(--ease), box-shadow .35s;
}
.author-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.author-card .avatar { width: 52px; height: 52px; font-size: 17px; }
.author-card h3 { font-size: 15.5px; }
.author-stats { display: flex; gap: 18px; }
.author-stats div { display: grid; }
.author-stats b { font-size: 20px; font-weight: 800; }
.author-stats small { color: var(--muted); font-size: 12px; }
.author-card .icon-btn { position: absolute; top: 12px; right: 12px; }

/* ---------------- DIALOGS ---------------- */
.dialog {
  width: min(520px, calc(100vw - 32px)); max-height: calc(100vh - 48px);
  padding: 24px; border: 1px solid var(--border); border-radius: 20px;
  background: var(--surface); color: var(--text); box-shadow: var(--shadow-lg);
}
.dialog.wide { width: min(640px, calc(100vw - 32px)); }
.dialog.narrow { width: min(400px, calc(100vw - 32px)); text-align: center; }
.dialog[open] { animation: dialogIn .4s var(--spring); }
.dialog.closing { animation: dialogOut .22s var(--ease) forwards; }
.dialog::backdrop { background: rgba(8, 10, 20, .45); backdrop-filter: blur(4px); animation: fadeIn .3s; }
.dialog.closing::backdrop { animation: fadeIn .22s reverse forwards; }
@keyframes dialogIn { from { opacity: 0; transform: translateY(16px) scale(.95); } }
@keyframes dialogOut { to { opacity: 0; transform: translateY(10px) scale(.97); } }
.dialog-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; margin-bottom: 4px; }
.dialog-head h2 { font-size: 19px; }
.dialog-foot { display: flex; justify-content: flex-end; gap: 10px; margin-top: 8px; }
.dialog.narrow .dialog-foot { justify-content: center; margin-top: 20px; }
.dialog.narrow h2 { font-size: 18px; margin-bottom: 6px; }
.confirm-icon {
  display: grid; place-items: center; width: 54px; height: 54px; margin: 0 auto 14px; border-radius: 50%;
  background: var(--danger-soft); color: var(--danger); animation: pop .5s var(--spring) both .1s;
}
.confirm-icon .icon { width: 26px; height: 26px; }

.timeline { list-style: none; margin: 18px 0 0; padding: 0 0 0 22px; position: relative; display: grid; gap: 14px; }
.timeline::before { content: ""; position: absolute; left: 6px; top: 6px; bottom: 6px; width: 2px; background: var(--border); }
.timeline li { position: relative; animation: fadeUp .45s var(--ease) both; animation-delay: calc(var(--i) * 50ms); }
.timeline li::before {
  content: ""; position: absolute; left: -21px; top: 6px; width: 12px; height: 12px; border-radius: 50%;
  background: var(--surface); border: 2.5px solid var(--success);
}
.timeline li.active::before { border-color: var(--primary); }
.timeline li.overdue::before { border-color: var(--danger); }
.timeline .t-head { display: flex; justify-content: space-between; gap: 10px; align-items: center; }
.timeline .t-head b { font-size: 14px; }
.timeline small { color: var(--muted); font-size: 12.5px; }

/* ---------------- TOASTS ---------------- */
.toasts { position: fixed; right: 20px; bottom: 20px; z-index: 100; display: grid; gap: 10px; width: min(380px, calc(100vw - 32px)); }
.toast {
  position: relative; overflow: hidden;
  display: flex; gap: 12px; align-items: flex-start; padding: 14px 16px; border-radius: 14px;
  background: var(--surface); border: 1px solid var(--border); box-shadow: var(--shadow-lg);
  animation: toastIn .5s var(--spring) both;
}
.toast.leaving { animation: toastOut .35s var(--ease) forwards; }
.toast .t-icon { display: grid; place-items: center; width: 28px; height: 28px; border-radius: 50%; flex: none; }
.toast.success .t-icon { background: var(--success-soft); color: var(--success); }
.toast.error .t-icon { background: var(--danger-soft); color: var(--danger); }
.toast p { font-size: 13.5px; padding-top: 3px; }
.toast .t-bar { position: absolute; left: 0; bottom: 0; height: 3px; width: 100%; transform-origin: left; animation: shrink linear forwards; }
.toast.success .t-bar { background: var(--success); }
.toast.error .t-bar { background: var(--danger); }
@keyframes toastIn { from { opacity: 0; transform: translateX(40px) scale(.95); } }
@keyframes toastOut { to { opacity: 0; transform: translateX(40px); } }
@keyframes shrink { to { transform: scaleX(0); } }

/* ---------------- RESERVATIONS, FINES, SCAN DESK, SYSTEM ---------------- */
.nav-badge.info { background: var(--primary); }
.stats.three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.stats.three .stat { grid-column: auto; }
.view > .card + .card { margin-top: 16px; }

.scan-desk { margin-bottom: 16px; }
.scan-desk .card-head h2 .icon { color: var(--primary); }
.scan-grid { display: grid; grid-template-columns: 1fr 1fr auto; gap: 14px; align-items: end; }
.scan-actions { display: flex; gap: 8px; }
.scan-preview { font-weight: 600; max-width: 60%; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; animation: fadeIn .3s; }
.scan-preview.ok { color: var(--success); }
.scan-preview.bad { color: var(--danger); }
.scan-hint { font-size: 12.5px; margin-top: 12px; }
.camera {
  position: relative; margin-top: 14px; border-radius: 14px; overflow: hidden; background: #000;
  max-width: 420px; aspect-ratio: 4 / 3; animation: dialogIn .4s var(--spring);
}
.camera video { width: 100%; height: 100%; object-fit: cover; display: block; }
.camera-frame {
  position: absolute; inset: 18% 14%; border: 3px solid rgba(255, 255, 255, .85); border-radius: 14px;
  box-shadow: 0 0 0 999px rgba(0, 0, 0, .35); animation: scanPulse 1.6s ease-in-out infinite;
}
.camera .btn { position: absolute; bottom: 10px; right: 10px; }
@keyframes scanPulse { 50% { border-color: var(--success); } }

.pay-cell { display: flex; gap: 6px; justify-content: flex-end; align-items: center; }
.pay-cell select { width: auto; padding: 6px 8px; font-size: 12.5px; }

.channel-row { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 10px; }
.small-text { font-size: 13px; margin-bottom: 14px; }
.outbox-msg { max-width: 420px; }
.outbox-msg small { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.mini-item .btn { flex: none; }

.timeline.activity { margin-top: 4px; }
.timeline.activity .t-head b { font-weight: 600; font-size: 13.5px; }

.qr-label { display: grid; justify-items: center; gap: 6px; padding: 18px; margin-top: 10px; border: 1px dashed var(--border); border-radius: 14px; background: #fff; color: #111; }
.qr-label img { width: 200px; height: 200px; image-rendering: pixelated; }
.qr-label b { font-size: 15px; text-align: center; }
.qr-label small { font-size: 12px; color: #555; text-align: center; }

@media print {
  body.printing-qr * { visibility: hidden; }
  body.printing-qr #qrLabel, body.printing-qr #qrLabel * { visibility: visible; }
  body.printing-qr #qrLabel { position: fixed; left: 0; top: 0; border: 1px solid #999; }
}

/* ---------------- RESPONSIVE ---------------- */
@media (max-width: 1280px) {
  /* 3 cards on the first row, 2 wider ones on the second */
  .stats { grid-template-columns: repeat(6, minmax(0, 1fr)); }
  .stat { grid-column: span 2; }
  .stat:nth-child(n + 4) { grid-column: span 3; }
}
@media (max-width: 1080px) {
  .dash-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .people-layout, .circ-grid { grid-template-columns: 1fr; }
  .scan-grid { grid-template-columns: 1fr 1fr; }
  .scan-actions { grid-column: 1 / -1; }
}
@media (max-width: 860px) {
  .app { grid-template-columns: minmax(0, 1fr); }
  .sidebar {
    min-width: 0;
    position: sticky; top: 0; z-index: 20; height: auto;
    flex-direction: row; flex-wrap: wrap; align-items: center; gap: 10px;
    padding: 10px 16px; border-right: 0; border-bottom: 1px solid var(--border);
  }
  .brand-text small { display: none; }
  .nav { order: 3; flex-basis: 100%; min-width: 0; flex-direction: row; overflow-x: auto; scrollbar-width: none; margin: 0 -16px; padding: 0 16px; }
  .nav::-webkit-scrollbar { display: none; }
  .nav a { flex: none; padding: 8px 12px; }
  .nav a.active { background: var(--primary-soft); }
  .nav-indicator { display: none; }
  .sidebar-foot { margin: 0 0 0 auto; flex-direction: row; }
  .db-status { padding: 8px 10px; }
  .db-status small { display: none; }
  .theme-toggle { padding: 8px 10px; }
  #themeLabel { display: none; }
  .main { padding-top: 20px; }
}
@media (max-width: 640px) {
  .stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .stat, .stat:nth-child(n + 4) { grid-column: auto; }
  .stat:last-child { grid-column: 1 / -1; }
  .stat { flex-direction: column; align-items: flex-start; gap: 10px; padding: 14px; }
  .stat-icon, .ring { width: 36px; height: 36px; }
  .stat-sub { white-space: normal; }
  .dash-grid { grid-template-columns: 1fr; }
  .span-2 { grid-column: auto; }
  .explain-grid, .field-row { grid-template-columns: 1fr; }
  .stats.three { grid-template-columns: 1fr; }
  .stats.three .stat:last-child { grid-column: auto; }
  .scan-grid { grid-template-columns: 1fr; }
  .book-grid { grid-template-columns: 1fr; }
  .book-card { grid-template-columns: 72px 1fr; }
  .cover { height: 104px; }
  .card-actions { opacity: 1; transform: none; }
  .person { grid-template-columns: 42px minmax(0, 1fr) auto; }
  .loan-dots { display: none; }
  .db-status b { display: none; }
  .topbar-actions { width: 100%; }
  .topbar-actions .btn { flex: 1; }
  .toolbar select, .segmented { flex: 1; }
  .segmented button { flex: 1; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important; animation-iteration-count: 1 !important;
    animation-delay: 0ms !important; transition-duration: .01ms !important;
  }
}