:root {
  --bg-0: #0b0d10;
  --bg-1: #10131a;
  --bg-2: #161a22;
  --bg-hover: #1a1f29;
  --border: #232834;
  --border-strong: #2f3645;
  --fg: #e6e8eb;
  --fg-muted: #8a909a;
  --fg-dim: #5f6571;
  --accent: #7aa2f7;
  --accent-hover: #a4beff;
  --accent-soft: rgba(122, 162, 247, 0.12);
  --green: #7dc78c;
  --green-soft: rgba(125, 199, 140, 0.14);
  --amber: #d6a877;
  --amber-soft: rgba(214, 168, 119, 0.14);
  --danger: #f08a8a;
  --danger-soft: rgba(240, 138, 138, 0.10);
  --radius: 6px;
  --radius-lg: 10px;
  --shadow: 0 1px 0 rgba(255,255,255,0.02), 0 4px 24px rgba(0,0,0,0.35);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Helvetica, Arial, sans-serif;
  font-size: 14.5px;
  line-height: 1.55;
  color: var(--fg);
  background: var(--bg-0);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

::selection { background: var(--accent-soft); color: var(--fg); }
a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); text-decoration: underline; text-underline-offset: 3px; }

/* ---------- icons ---------- */
.icon {
  width: 1em;
  height: 1em;
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  vertical-align: -0.18em;
  flex-shrink: 0;
}

/* ---------- header ---------- */
header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 0.75rem 1.5rem;
  background: linear-gradient(180deg, var(--bg-1) 0%, rgba(16,19,26,0.92) 100%);
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 10;
  backdrop-filter: none;
}
header .brand { display: flex; align-items: center; gap: 0.7rem; }
header .brand-logo {
  display: inline-flex; align-items: center; justify-content: center;
  width: 2rem; height: 2rem;
  background: var(--accent-soft);
  border: 1px solid rgba(122, 162, 247, 0.25);
  border-radius: 8px;
  color: var(--accent);
  font-size: 1rem;
}
header .brand-text { display: flex; flex-direction: column; line-height: 1.15; }
header .brand-text a { color: var(--fg); font-weight: 600; font-size: 0.95rem; letter-spacing: -0.01em; }
header .brand-text a:hover { text-decoration: none; color: var(--fg); }
header .brand-text .sub { color: var(--fg-dim); font-size: 0.72rem; letter-spacing: 0.04em; text-transform: uppercase; font-weight: 500; margin-top: 0.05rem; }
header nav { display: flex; gap: 1rem; align-items: center; }
header nav .user {
  display: inline-flex; align-items: center; gap: 0.4rem;
  color: var(--fg-muted); font-size: 0.85rem;
  padding: 0.3rem 0.65rem;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
header nav .user .icon { color: var(--accent); font-size: 0.85em; }

/* ---------- layout ---------- */
main { max-width: 1200px; margin: 0 auto; padding: 1.75rem 1.5rem 3rem; }
footer {
  text-align: center; padding: 2rem 1rem;
  color: var(--fg-dim); font-size: 0.78rem;
  border-top: 1px solid var(--border); margin-top: 3rem;
}

/* ---------- forms ---------- */
label { display: flex; flex-direction: column; gap: 0.35rem; font-size: 0.8rem; color: var(--fg-muted); font-weight: 500; }
label .label-row { display: inline-flex; align-items: center; gap: 0.35rem; font-size: 0.78rem; letter-spacing: 0.02em; }
label .label-row .icon { color: var(--fg-dim); font-size: 0.9em; }
input, button { font: inherit; }
input[type=text], input[type=password], input[type=date], input[type=search], select {
  background: var(--bg-0);
  color: var(--fg);
  border: 1px solid var(--border);
  padding: 0.55rem 0.7rem;
  border-radius: var(--radius);
  transition: border-color 120ms ease, box-shadow 120ms ease;
  min-width: 180px;
}
select { min-width: 5rem; cursor: pointer; appearance: none; -webkit-appearance: none; background-image: linear-gradient(45deg, transparent 45%, var(--fg-muted) 45%, var(--fg-muted) 55%, transparent 55%), linear-gradient(-45deg, transparent 45%, var(--fg-muted) 45%, var(--fg-muted) 55%, transparent 55%); background-position: calc(100% - 0.85rem) 55%, calc(100% - 0.55rem) 55%; background-size: 0.35rem 0.35rem; background-repeat: no-repeat; padding-right: 1.75rem; }
select:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.toolbar .per-page { flex: 0 0 auto; }
.toolbar .per-page select { min-width: 4.5rem; }
input::placeholder { color: var(--fg-dim); }
input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

button, .btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 0.45rem;
  background: var(--accent);
  color: #0b1a33;
  border: 1px solid transparent;
  padding: 0.55rem 1rem;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.85rem;
  cursor: pointer;
  transition: background 120ms ease, border-color 120ms ease, color 120ms ease, transform 80ms ease;
  text-decoration: none;
  line-height: 1.2;
}
button:hover, .btn:hover { background: var(--accent-hover); text-decoration: none; }
button:active, .btn:active { transform: translateY(1px); }

button.ghost, .btn.ghost {
  background: transparent;
  color: var(--fg-muted);
  border-color: var(--border);
}
button.ghost:hover, .btn.ghost:hover { background: var(--bg-2); color: var(--fg); border-color: var(--border-strong); }

button.link, .btn.link {
  background: transparent; color: var(--fg-muted); padding: 0; border: 0;
  font-weight: 500; font-size: 0.85rem;
  display: inline-flex; align-items: center; gap: 0.3rem;
}
button.link:hover, .btn.link:hover { color: var(--fg); background: transparent; text-decoration: underline; text-underline-offset: 3px; }

.btn-green { background: var(--green); color: #0d2713; }
.btn-green:hover { background: #94d9a3; }

form.inline { display: inline; }

/* ---------- login ---------- */
.login-wrap { min-height: 70vh; display: flex; align-items: center; justify-content: center; }
.login {
  width: 100%; max-width: 380px;
  background: var(--bg-1);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.9rem 1.75rem;
  box-shadow: var(--shadow);
}
.login-head { display: flex; gap: 0.85rem; align-items: center; margin-bottom: 1.5rem; }
.login-icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 2.4rem; height: 2.4rem;
  background: var(--accent-soft);
  border: 1px solid rgba(122, 162, 247, 0.22);
  border-radius: 10px;
  color: var(--accent);
  font-size: 1.1rem;
}
.login h2 {
  margin: 0; font-size: 1.05rem; font-weight: 600; letter-spacing: -0.01em;
}
.login .login-sub { margin: 0.15rem 0 0; color: var(--fg-muted); font-size: 0.82rem; }
.login form { display: flex; flex-direction: column; gap: 0.9rem; }
.login button { margin-top: 0.25rem; padding: 0.65rem 1rem; }

.error {
  display: inline-flex; align-items: center; gap: 0.45rem;
  color: var(--danger); background: var(--danger-soft);
  border: 1px solid rgba(240,138,138,0.18); border-left: 3px solid var(--danger);
  padding: 0.55rem 0.75rem; border-radius: var(--radius); font-size: 0.85rem;
  margin-bottom: 0.5rem;
}

/* ---------- page title ---------- */
.page-title { font-size: 1.35rem; font-weight: 600; letter-spacing: -0.015em; margin: 0 0 0.2rem; }
.page-subtitle { color: var(--fg-muted); font-size: 0.88rem; margin: 0 0 1.5rem; }

/* ---------- dashboard stats ---------- */
.stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.9rem;
  margin-bottom: 1.5rem;
}
.stat-card {
  display: flex; align-items: flex-start; gap: 0.85rem;
  background: var(--bg-1);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1rem 1.15rem;
  transition: border-color 150ms ease;
}
.stat-card:hover { border-color: var(--border-strong); }
.stat-card .stat-icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 2.2rem; height: 2.2rem;
  border-radius: 8px;
  background: var(--accent-soft);
  color: var(--accent);
  border: 1px solid rgba(122, 162, 247, 0.18);
  font-size: 1.05rem;
  flex-shrink: 0;
}
.stat-card .stat-icon-green { background: var(--green-soft); color: var(--green); border-color: rgba(125,199,140,0.22); }
.stat-card .stat-icon-amber { background: var(--amber-soft); color: var(--amber); border-color: rgba(214,168,119,0.22); }
.stat-card .stat-body { min-width: 0; }
.stat-card .k { font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.07em; color: var(--fg-muted); font-weight: 600; margin-bottom: 0.25rem; }
.stat-card .v { font-size: 1.35rem; font-weight: 600; font-variant-numeric: tabular-nums; color: var(--fg); letter-spacing: -0.015em; line-height: 1.2; }
.stat-card .u { font-size: 0.76rem; color: var(--fg-dim); margin-top: 0.2rem; }

/* ---------- toolbar ---------- */
.toolbar {
  display: flex; flex-wrap: wrap; gap: 0.9rem; align-items: end;
  padding: 1rem 1.15rem;
  background: var(--bg-1);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  margin-bottom: 1.25rem;
}
.toolbar .grow { flex: 1 1 220px; min-width: 180px; }
.toolbar input { width: 100%; }
.toolbar .actions { display: flex; gap: 0.6rem; align-items: center; margin-left: auto; padding-top: 1.2rem; }
.toolbar .actions .reset { color: var(--fg-muted); font-size: 0.82rem; }

.count { color: var(--fg-muted); font-size: 0.82rem; margin: 0 0 0.75rem; padding-left: 0.25rem; }
.count strong { color: var(--fg); font-weight: 600; }

/* ---------- table ---------- */
.recs-wrap {
  background: var(--bg-1);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
table.recs { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
table.recs thead { background: var(--bg-2); }
table.recs th {
  text-align: left; padding: 0.65rem 0.9rem;
  color: var(--fg-muted); font-weight: 600; font-size: 0.72rem;
  letter-spacing: 0.06em; text-transform: uppercase;
  border-bottom: 1px solid var(--border);
}
table.recs td {
  padding: 0.75rem 0.9rem;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}
table.recs tbody tr:last-child td { border-bottom: 0; }
table.recs tbody tr { transition: background 80ms ease; }
table.recs tbody tr:hover { background: var(--bg-hover); }
table.recs tbody tr[data-id] { cursor: pointer; }

table.recs .num { font-variant-numeric: tabular-nums; white-space: nowrap; }
table.recs .dim { color: var(--fg-muted); }
table.recs .title { color: var(--fg); font-weight: 500; }
table.recs .title .mid {
  display: block; margin-top: 0.2rem;
  color: var(--fg-dim); font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.7rem; letter-spacing: 0.01em;
}

/* ---------- chips ---------- */
.chip {
  display: inline-flex; align-items: center; gap: 0.35rem;
  padding: 0.3rem 0.6rem;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.78rem; font-weight: 500;
  color: var(--fg-muted);
  transition: background 120ms ease, border-color 120ms ease, color 120ms ease;
  white-space: nowrap;
}
.chip .icon { font-size: 0.95em; color: var(--fg-dim); }
.chip:hover { text-decoration: none; }
.chip-video:hover { background: var(--accent-soft); border-color: rgba(122,162,247,0.4); color: var(--accent); }
.chip-video:hover .icon { color: var(--accent); }
.chip-pdf:hover { background: var(--green-soft); border-color: rgba(125,199,140,0.4); color: var(--green); }
.chip-pdf:hover .icon { color: var(--green); }
.chip-xlsx:hover { background: var(--bg-hover); border-color: var(--border-strong); color: var(--fg); }
.chip.muted { opacity: 0.4; pointer-events: none; }
.chip-group { white-space: nowrap; }
.chip-group .chip + .chip { margin-left: 0.3rem; }

/* ---------- empty state ---------- */
.empty {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  padding: 3rem 1rem; text-align: center;
}
.empty-icon {
  width: 3.2rem; height: 3.2rem;
  border-radius: 50%;
  background: var(--bg-2);
  display: inline-flex; align-items: center; justify-content: center;
  color: var(--fg-muted);
  font-size: 1.4rem;
  margin-bottom: 0.8rem;
  border: 1px solid var(--border);
}
.empty-title { font-size: 0.95rem; font-weight: 600; margin: 0 0 0.25rem; color: var(--fg); }
.empty-sub { font-size: 0.84rem; color: var(--fg-muted); margin: 0; max-width: 26rem; }
.empty-sub code { background: var(--bg-2); padding: 0.1rem 0.4rem; border-radius: 4px; font-size: 0.85em; color: var(--fg); }

/* ---------- tooltip ---------- */
[data-tooltip] { position: relative; }
[data-tooltip]::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 6px);
  left: 50%;
  transform: translateX(-50%) translateY(4px);
  background: #1c2230;
  color: var(--fg);
  padding: 0.38rem 0.6rem;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  font-size: 0.75rem;
  font-weight: 400;
  line-height: 1.3;
  white-space: nowrap;
  pointer-events: none;
  z-index: 30;
  opacity: 0;
  visibility: hidden;
  box-shadow: 0 8px 20px rgba(0,0,0,0.4);
  transition: opacity 120ms ease, transform 120ms ease, visibility 0s linear 120ms;
}
[data-tooltip]:hover::after {
  opacity: 1; visibility: visible;
  transform: translateX(-50%) translateY(0);
  transition: opacity 120ms ease, transform 120ms ease;
}

/* ---------- modal ---------- */
.modal {
  padding: 0;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  background: var(--bg-1);
  color: var(--fg);
  max-width: 580px;
  width: calc(100% - 2rem);
  box-shadow: 0 24px 60px rgba(0,0,0,0.55), 0 0 0 1px rgba(255,255,255,0.02);
}
.modal::backdrop { background: rgba(4, 6, 10, 0.62); }
.modal-head {
  display: flex; justify-content: space-between; align-items: flex-start;
  gap: 1rem;
  padding: 1.15rem 1.4rem 0.65rem;
  border-bottom: 1px solid var(--border);
}
.modal-head h3 {
  margin: 0;
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.4;
  letter-spacing: -0.01em;
  flex: 1;
}
.modal-close {
  background: transparent;
  color: var(--fg-muted);
  padding: 0.25rem 0.5rem;
  font-size: 0.95rem;
  line-height: 1;
  border: 0;
  border-radius: var(--radius);
}
.modal-close:hover { background: var(--bg-2); color: var(--fg); }
.modal-body {
  padding: 1.15rem 1.4rem;
  display: grid; grid-template-columns: 8.5rem 1fr;
  gap: 0.7rem 1rem;
  align-items: start;
}
.modal-body dt {
  margin: 0; color: var(--fg-muted);
  font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.06em;
  font-weight: 600; padding-top: 0.15rem;
}
.modal-body dd {
  margin: 0; font-size: 0.9rem; font-variant-numeric: tabular-nums;
  word-break: break-word;
}
.modal-body dd code {
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.75rem;
  background: var(--bg-2);
  padding: 0.22rem 0.5rem;
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--fg);
}
.modal-body dd .inline-copy { display: inline-flex; align-items: center; gap: 0.6rem; flex-wrap: wrap; }

.modal-foot {
  display: flex; gap: 0.55rem;
  padding: 0.85rem 1.4rem 1.1rem;
  border-top: 1px solid var(--border);
}
.modal-foot.modal-foot-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.55rem;
}
.modal-foot .btn { padding: 0.6rem 0.9rem; font-size: 0.85rem; }
.modal-foot .btn.modal-foot-wide { grid-column: 1 / -1; }
.modal-foot .btn.disabled {
  background: var(--bg-2);
  color: var(--fg-dim);
  cursor: not-allowed;
  pointer-events: none;
  border-color: var(--border);
}

/* ---------- pagination ---------- */
.pagination {
  display: flex; align-items: center; justify-content: center; gap: 0.75rem;
  margin-top: 1.5rem;
  color: var(--fg-muted); font-size: 0.85rem;
}
.pagination a {
  display: inline-flex; align-items: center; gap: 0.35rem;
  padding: 0.4rem 0.8rem; border: 1px solid var(--border); border-radius: var(--radius);
  color: var(--fg); background: var(--bg-1);
}
.pagination a:hover { background: var(--bg-2); border-color: var(--border-strong); text-decoration: none; }
.pagination .pageinfo { font-variant-numeric: tabular-nums; }

/* ---------- responsive ---------- */
@media (max-width: 900px) {
  .stats { grid-template-columns: 1fr 1fr; }
  .stats .stat-card:nth-child(3) { grid-column: 1 / -1; }
}
@media (max-width: 680px) {
  main { padding: 1.25rem 1rem 2rem; }
  header { padding: 0.75rem 1rem; }
  header .brand-text .sub { display: none; }
  .stats { grid-template-columns: 1fr; }
  .stats .stat-card:nth-child(3) { grid-column: auto; }
  .toolbar .actions { margin-left: 0; width: 100%; padding-top: 0.25rem; }
  table.recs th, table.recs td { padding: 0.6rem 0.6rem; }
  table.recs .num { font-size: 0.82rem; }
  .modal-foot.modal-foot-grid { grid-template-columns: 1fr; }
}