/* ============================================================================
   Tavrida.Art Monitor — Dark UI
   ============================================================================ */

:root {
  /* Base palette */
  --bg:          #0a0c11;
  --bg-2:        #0f1218;
  --bg-3:        #141821;
  --bg-elev:     #181d27;
  --bg-hover:    #1c2230;

  --border:      #1d2230;
  --border-2:    #272d3c;
  --border-3:    #343b4d;

  --text:        #e7eaf2;
  --text-2:      #b8bdcc;
  --text-3:      #8a91a3;
  --muted:       #6b7283;

  /* Brand accents (Tavrida red→pink) */
  --accent:      #ff5f7e;
  --accent-2:    #ff8a5b;
  --accent-3:    #ff476f;
  --accent-soft: rgba(255, 95, 126, 0.14);
  --accent-glow: rgba(255, 95, 126, 0.35);

  /* Semantic */
  --success:     #2ec4a5;
  --success-soft:rgba(46, 196, 165, 0.14);
  --warning:     #f5a524;
  --warning-soft:rgba(245, 165, 36, 0.14);
  --error:       #f25555;
  --error-soft:  rgba(242, 85, 85, 0.14);
  --info:        #5b8def;
  --info-soft:   rgba(91, 141, 239, 0.14);
  --purple:      #a36bff;
  --purple-soft: rgba(163, 107, 255, 0.14);

  /* Region colors */
  --region-rf:     #f25555;
  --region-global: #5b8def;
  --region-other:  #a36bff;
  --region-any:    #6b7283;

  --radius-sm: 8px;
  --radius:    12px;
  --radius-lg: 16px;
  --radius-xl: 22px;

  --shadow-1: 0 1px 2px rgba(0,0,0,0.45);
  --shadow-2: 0 4px 16px rgba(0,0,0,0.40);
  --shadow-3: 0 10px 30px rgba(0,0,0,0.55), 0 1px 0 rgba(255,255,255,0.04) inset;

  --easing: cubic-bezier(0.22, 0.61, 0.36, 1);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Inter", -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-feature-settings: "cv02", "cv03", "cv04", "cv11";
}

body {
  /* Subtle radial glow in the background */
  background:
    radial-gradient(900px 600px at 12% -10%, rgba(255, 95, 126, 0.10), transparent 60%),
    radial-gradient(700px 500px at 90% 0%,   rgba(91, 141, 239, 0.08), transparent 60%),
    var(--bg);
  background-attachment: fixed;
  min-height: 100vh;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color 120ms var(--easing);
}
a:hover { color: var(--accent-2); }

::selection { background: var(--accent-soft); color: var(--text); }

/* ============================================================================
   Header / nav
   ============================================================================ */
.app-header {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 0.65rem 1.5rem;
  background: rgba(15, 18, 24, 0.75);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 60;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  color: var(--text);
}
.brand-logo {
  width: 28px; height: 28px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-2) 100%);
  display: grid; place-items: center;
  color: white;
  font-weight: 700;
  font-size: 0.78rem;
  box-shadow: 0 0 18px var(--accent-glow);
}

.main-nav { display: flex; gap: 0.25rem; flex: 1; padding-left: 1rem; }
.main-nav a {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-3);
  padding: 0.5rem 0.85rem;
  border-radius: var(--radius-sm);
  font-weight: 500;
  font-size: 0.875rem;
  transition: all 140ms var(--easing);
}
.main-nav a:hover { background: var(--bg-3); color: var(--text); text-decoration: none; }
.main-nav a.active {
  background: var(--accent-soft);
  color: var(--accent);
}
.main-nav a svg { width: 16px; height: 16px; opacity: 0.85; }

.header-right { display: flex; align-items: center; gap: 0.75rem; }
.header-right .status-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 10px var(--success);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%,100% { opacity: 1; transform: scale(1); }
  50%     { opacity: 0.6; transform: scale(0.85); }
}

.logout-form button {
  background: transparent;
  color: var(--text-2);
  border: 1px solid var(--border-2);
  padding: 0.45rem 0.85rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 0.85rem;
  font-weight: 500;
  transition: all 140ms var(--easing);
}
.logout-form button:hover { background: var(--bg-3); color: var(--text); border-color: var(--border-3); }

/* ============================================================================
   Layout
   ============================================================================ */
.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 1.75rem 1.5rem 5rem;
}

.page-title {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin: 0.25rem 0 1.25rem;
}
.page-title h1 {
  margin: 0;
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}
.page-title .subtitle {
  color: var(--text-3);
  font-size: 0.9rem;
}

/* ============================================================================
   Cards
   ============================================================================ */
.card {
  background: linear-gradient(180deg, var(--bg-2) 0%, var(--bg-2) 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem 1.4rem;
  margin-bottom: 1.25rem;
  box-shadow: var(--shadow-1);
  position: relative;
  transition: border-color 160ms var(--easing), transform 160ms var(--easing);
}
.card:hover { border-color: var(--border-2); }
.card h2 {
  margin: 0 0 1rem 0;
  font-size: 0.92rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.card h2 .dim { color: var(--text-3); font-weight: 400; font-size: 0.85em; }
.card-row-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}
.card-row-head h2 { margin: 0; }

.grid { display: grid; gap: 1.25rem; margin-bottom: 1.25rem; }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-2-1 { grid-template-columns: 2fr 1fr; }

@media (max-width: 1100px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .grid-2-1 { grid-template-columns: 1fr; }
}
@media (max-width: 700px) {
  .grid-4, .grid-3, .grid-2 { grid-template-columns: 1fr; }
}

/* KPI cards */
.kpi {
  position: relative;
  overflow: hidden;
}
.kpi::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent-soft), transparent);
}
.kpi-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 0.5rem; }
.kpi-label {
  color: var(--text-3);
  font-size: 0.78rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.kpi-value {
  font-size: 2.05rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-top: 0.5rem;
  color: var(--text);
  font-feature-settings: "tnum";
  font-variant-numeric: tabular-nums;
}
.kpi-delta {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.78rem;
  font-weight: 500;
  margin-top: 0.4rem;
  padding: 0.18rem 0.55rem;
  border-radius: 999px;
}
.kpi-delta.up    { color: var(--success); background: var(--success-soft); }
.kpi-delta.down  { color: var(--error);   background: var(--error-soft); }
.kpi-delta.flat  { color: var(--text-3);  background: var(--bg-3); }
.kpi-icon {
  width: 36px; height: 36px;
  border-radius: var(--radius-sm);
  display: grid; place-items: center;
  background: var(--accent-soft);
  color: var(--accent);
}
.kpi-icon.blue   { background: var(--info-soft);    color: var(--info); }
.kpi-icon.green  { background: var(--success-soft); color: var(--success); }
.kpi-icon.orange { background: var(--warning-soft); color: var(--warning); }
.kpi-icon.purple { background: var(--purple-soft);  color: var(--purple); }
/* Chart container — fixed height prevents Chart.js infinite resize loop */
.chart-wrap {
  position: relative;
  width: 100%;
}
.chart-wrap > canvas {
  display: block;
  width: 100% !important;
  height: 100% !important;
}
.chart-spark { height: 38px; margin-top: 0.6rem; }
.chart-line  { height: 280px; }
.chart-donut { height: 220px; }

/* ============================================================================
   Tables
   ============================================================================ */
table.data {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}
table.data th, table.data td {
  padding: 0.7rem 0.7rem;
  border-bottom: 1px solid var(--border);
  text-align: left;
  vertical-align: top;
}
table.data tr:last-child td { border-bottom: none; }
table.data th {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--text-3);
  background: transparent;
  font-weight: 600;
  border-bottom: 1px solid var(--border-2);
}
table.data tbody tr { transition: background 120ms var(--easing); }
table.data tbody tr:hover { background: var(--bg-3); }
table.data td a { color: var(--text); }
table.data td a:hover { color: var(--accent); }

/* ============================================================================
   Chips, badges
   ============================================================================ */
.muted { color: var(--text-3); font-size: 0.85rem; }
small.muted { font-size: 0.78rem; }

.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  background: var(--bg-3);
  color: var(--text-2);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 2px 9px;
  font-size: 0.74rem;
  margin: 1px 3px 1px 0;
  font-weight: 500;
  white-space: nowrap;
}
.chip.accent { background: var(--accent-soft); color: var(--accent); border-color: transparent; }
.chip.blue   { background: var(--info-soft);    color: var(--info);    border-color: transparent; }
.chip.green  { background: var(--success-soft); color: var(--success); border-color: transparent; }
.chip.orange { background: var(--warning-soft); color: var(--warning); border-color: transparent; }
.chip.purple { background: var(--purple-soft);  color: var(--purple);  border-color: transparent; }

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 2px 9px;
  border-radius: 999px;
  font-size: 0.74rem;
  font-weight: 600;
  background: var(--bg-3);
  color: var(--text-2);
  border: 1px solid var(--border);
  text-transform: lowercase;
}
.badge.success { background: var(--success-soft); color: var(--success); border-color: transparent; }
.badge.partial { background: var(--warning-soft); color: var(--warning); border-color: transparent; }
.badge.failed  { background: var(--error-soft);   color: var(--error);   border-color: transparent; }
.badge.running { background: var(--info-soft);    color: var(--info);    border-color: transparent; }
.badge::before {
  content: "";
  width: 6px; height: 6px; border-radius: 50%;
  background: currentColor;
  box-shadow: 0 0 8px currentColor;
  flex-shrink: 0;
}
.badge.running::before { animation: pulse 1.5s ease-in-out infinite; }

.region-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 2px 9px;
  border-radius: 999px;
  font-size: 0.74rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.region-tag.rf      { background: rgba(242,85,85,0.14);  color: var(--region-rf); }
.region-tag.global  { background: rgba(91,141,239,0.14); color: var(--region-global); }
.region-tag.other   { background: rgba(163,107,255,0.14);color: var(--region-other); }
.region-tag.any     { background: var(--bg-3);           color: var(--region-any); }
.region-tag::before { content: ""; width: 5px; height: 5px; border-radius: 50%; background: currentColor; }

/* ============================================================================
   Forms
   ============================================================================ */
.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin: 0.25rem 0 0.75rem;
}
.filters input,
.filters select {
  padding: 0.5rem 0.8rem;
  background: var(--bg-3);
  border: 1px solid var(--border-2);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 0.875rem;
  font-family: inherit;
  outline: none;
  transition: border-color 140ms var(--easing), box-shadow 140ms var(--easing);
  min-width: 0;
}
.filters input::placeholder { color: var(--muted); }
.filters input:focus,
.filters select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
.filters input[type="text"] { min-width: 180px; }
.filters input[type="number"] { width: 130px; }
.filters select { min-width: 140px; }

.filters button,
.filters a {
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-2);
  cursor: pointer;
  background: var(--bg-3);
  color: var(--text-2);
  font-size: 0.875rem;
  font-weight: 500;
  font-family: inherit;
  transition: all 140ms var(--easing);
}
.filters button:hover, .filters a:hover {
  background: var(--bg-hover);
  color: var(--text);
  border-color: var(--border-3);
  text-decoration: none;
}
.filters button.primary,
button.primary,
.primary {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-3) 100%);
  color: white;
  border: 1px solid transparent;
  padding: 0.55rem 1.2rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-weight: 600;
  font-family: inherit;
  font-size: 0.875rem;
  transition: all 160ms var(--easing);
  box-shadow: 0 4px 14px var(--accent-glow);
}
button.primary:hover, .primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px var(--accent-glow);
  filter: brightness(1.05);
}
button.primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

button.ghost, .ghost {
  background: var(--bg-3);
  border: 1px solid var(--border-2);
  color: var(--text-2);
  padding: 0.45rem 0.95rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 0.875rem;
  font-weight: 500;
  font-family: inherit;
  transition: all 140ms var(--easing);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}
button.ghost:hover, .ghost:hover { background: var(--bg-hover); color: var(--text); border-color: var(--border-3); text-decoration: none; }

.export-row { display: flex; gap: 0.5rem; flex-wrap: wrap; }

/* ============================================================================
   Pagination, footer, errors
   ============================================================================ */
.pagination {
  display: flex;
  gap: 1rem;
  align-items: center;
  margin-top: 1.25rem;
  font-size: 0.875rem;
  color: var(--text-3);
}
.pagination a {
  padding: 0.4rem 0.85rem;
  border: 1px solid var(--border-2);
  border-radius: var(--radius-sm);
  color: var(--text-2);
}
.pagination a:hover { background: var(--bg-3); text-decoration: none; }

.app-footer {
  text-align: center;
  color: var(--muted);
  padding: 1.25rem;
  font-size: 0.8rem;
  border-top: 1px solid var(--border);
  margin-top: 2rem;
}
.app-footer .dot { margin: 0 0.5rem; opacity: 0.5; }

.error {
  background: var(--error-soft);
  color: var(--error);
  border: 1px solid rgba(242,85,85,0.3);
  border-radius: var(--radius-sm);
  padding: 0.65rem 0.9rem;
  margin: 0.75rem 0;
  font-size: 0.875rem;
}

/* ============================================================================
   Mention feed cards
   ============================================================================ */
.mention-feed { display: flex; flex-direction: column; gap: 0.65rem; }
.mention-card {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.15rem;
  transition: border-color 140ms var(--easing), transform 140ms var(--easing), background 140ms var(--easing);
}
.mention-card:hover { border-color: var(--border-2); background: var(--bg-elev); }
.mention-card .meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
  font-size: 0.78rem;
  color: var(--text-3);
}
.mention-card .meta time { color: var(--text-3); font-feature-settings: "tnum"; }
.mention-card .title {
  font-size: 0.96rem;
  font-weight: 600;
  margin: 0.15rem 0 0.4rem;
  color: var(--text);
  line-height: 1.4;
}
.mention-card .title a { color: var(--text); }
.mention-card .title a:hover { color: var(--accent); }
.mention-card .snippet {
  color: var(--text-2);
  font-size: 0.86rem;
  line-height: 1.55;
  margin-bottom: 0.55rem;
}
.mention-card .url { color: var(--text-3); font-size: 0.78rem; word-break: break-all; }
.mention-card .matched { margin-top: 0.5rem; }

/* ============================================================================
   Run timeline
   ============================================================================ */
.run-timeline { display: flex; flex-direction: column; gap: 0.65rem; }
.run-row {
  display: grid;
  grid-template-columns: 80px 100px 1fr auto auto;
  gap: 0.85rem;
  align-items: center;
  padding: 0.7rem 0.85rem;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}
.run-row .id { color: var(--text-3); font-size: 0.78rem; font-feature-settings: "tnum"; }
.run-row .ts { color: var(--text-2); font-size: 0.85rem; font-feature-settings: "tnum"; }
.run-row .stats { color: var(--text-2); font-size: 0.82rem; }
.run-row .stats b { color: var(--text); font-weight: 600; }
@media (max-width: 700px) {
  .run-row { grid-template-columns: 1fr 1fr; }
}

/* ============================================================================
   Login page
   ============================================================================ */
.login-body {
  background:
    radial-gradient(900px 700px at 20% 10%, rgba(255, 95, 126, 0.18), transparent 60%),
    radial-gradient(700px 500px at 85% 90%, rgba(91, 141, 239, 0.14), transparent 60%),
    var(--bg);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}
.login-card {
  background: var(--bg-2);
  border: 1px solid var(--border);
  padding: 2.4rem 2.6rem;
  border-radius: var(--radius-lg);
  width: 400px;
  box-shadow: var(--shadow-3);
  position: relative;
  overflow: hidden;
}
.login-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0.7;
}
.login-card h1 {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  margin: 0 0 0.5rem;
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}
.login-card .brand-logo { width: 32px; height: 32px; font-size: 0.85rem; }
.login-card label {
  display: block;
  margin-top: 1rem;
  font-size: 0.78rem;
  color: var(--text-3);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 600;
}
.login-card input {
  width: 100%;
  margin-top: 0.4rem;
  padding: 0.65rem 0.9rem;
  background: var(--bg-3);
  border: 1px solid var(--border-2);
  color: var(--text);
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  outline: none;
  transition: border-color 140ms var(--easing), box-shadow 140ms var(--easing);
  font-family: inherit;
}
.login-card input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
.login-card button {
  margin-top: 1.4rem;
  width: 100%;
  padding: 0.7rem;
}

/* ============================================================================
   Misc
   ============================================================================ */
code {
  background: var(--bg-3);
  border: 1px solid var(--border);
  padding: 0.1rem 0.4rem;
  border-radius: 4px;
  font-family: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.82em;
  color: var(--accent-2);
}

hr {
  border: 0;
  height: 1px;
  background: var(--border);
  margin: 1rem 0;
}

.empty {
  text-align: center;
  padding: 2.5rem 1rem;
  color: var(--text-3);
}
.empty .icon { font-size: 2rem; opacity: 0.4; }

/* Scrollbar */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border-2); border-radius: 6px; }
::-webkit-scrollbar-thumb:hover { background: var(--border-3); }