/* ─────────────────────────────────────────────────────────────
   TokenTop — Premium Dark Theme
   ───────────────────────────────────────────────────────────── */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=JetBrains+Mono:wght@400;500;600;700&display=swap');

/* ── Tokens ───────────────────────────────────────────────── */
:root {
  --bg-0: #080b14;
  --bg-1: #0d1220;
  --bg-2: #111827;
  --bg-card: rgba(17, 24, 42, 0.7);
  --border: rgba(99, 120, 255, 0.14);
  --border-bright: rgba(99, 120, 255, 0.35);

  --accent: #6378ff;
  --accent-2: #a78bfa;
  --accent-3: #38bdf8;
  --green: #34d399;
  --yellow: #fbbf24;
  --red: #f87171;
  --pink: #f472b6;

  --text-1: #f1f5f9;
  --text-2: #94a3b8;
  --text-3: #475569;

  --radius: 16px;
  --radius-sm: 10px;
  --blur: 18px;
  --transition: 0.22s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ── Reset ──────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', sans-serif;
  background: var(--bg-0);
  color: var(--text-1);
  min-height: 100vh;
  overflow-x: hidden;
  letter-spacing: -0.01em;
}

/* ── Background ambient glows ───────────────────────────── */
body::before {
  content: '';
  position: fixed; inset: 0; z-index: 0;
  background:
    radial-gradient(ellipse 70% 50% at 15% 20%, rgba(99,120,255,0.08) 0%, transparent 60%),
    radial-gradient(ellipse 50% 40% at 85% 80%, rgba(167,139,250,0.07) 0%, transparent 60%),
    radial-gradient(ellipse 40% 30% at 50% 50%, rgba(56,189,248,0.04) 0%, transparent 60%);
  pointer-events: none;
}

/* ── Scrollbar ────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--accent); border-radius: 99px; }

/* ══════════════════════════════════════════════════════════
   TOP HUD BAR
══════════════════════════════════════════════════════════ */
#hud {
  position: sticky;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(8, 11, 20, 0.82);
  backdrop-filter: blur(var(--blur));
  -webkit-backdrop-filter: blur(var(--blur));
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  height: 64px;
  gap: 16px;
}

.hud-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.hud-logo svg { width: 28px; height: 28px; }
.hud-logo-text {
  font-size: 1.15rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-2) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.03em;
}

.hud-stats {
  display: flex;
  align-items: center;
  gap: 6px;
  flex: 1;
  justify-content: center;
  flex-wrap: wrap;
}

.hud-stat {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(99, 120, 255, 0.08);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 6px 14px;
  white-space: nowrap;
  transition: var(--transition);
}
.hud-stat:hover {
  border-color: var(--border-bright);
  background: rgba(99, 120, 255, 0.14);
}
.hud-stat-label {
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-3);
  font-weight: 600;
}
.hud-stat-value {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--text-1);
  min-width: 4ch;
}
.hud-stat-value.ticking { color: var(--accent); }
.hud-stat-value.cost { color: var(--green); }

.live-dot {
  width: 7px; height: 7px;
  background: var(--green);
  border-radius: 50%;
  flex-shrink: 0;
  animation: pulse-dot 1.8s ease-in-out infinite;
  box-shadow: 0 0 8px var(--green);
}
@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.7); }
}

.hud-actions {
  display: flex;
  gap: 8px;
  flex-shrink: 0;
}

/* ── Buttons ──────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 18px;
  border: none;
  border-radius: var(--radius-sm);
  font-family: 'Inter', sans-serif;
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}
.btn-primary {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-2) 100%);
  color: #fff;
  box-shadow: 0 4px 20px rgba(99,120,255,0.35);
}
.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 28px rgba(99,120,255,0.5);
}
.btn-ghost {
  background: rgba(99,120,255,0.1);
  color: var(--accent-2);
  border: 1px solid var(--border);
}
.btn-ghost:hover {
  background: rgba(99,120,255,0.18);
  border-color: var(--border-bright);
}
.btn-ghost.active {
  background: rgba(99,120,255,0.25);
  border-color: var(--accent);
  color: var(--accent);
}
.btn-sm { padding: 5px 12px; font-size: 0.75rem; }
.btn-danger {
  background: rgba(248,113,113,0.12);
  color: var(--red);
  border: 1px solid rgba(248,113,113,0.25);
}
.btn-danger:hover { background: rgba(248,113,113,0.2); }

/* ══════════════════════════════════════════════════════════
   MAIN LAYOUT
══════════════════════════════════════════════════════════ */
main {
  position: relative; z-index: 1;
  max-width: 1400px;
  margin: 0 auto;
  padding: 32px 24px 80px;
}

/* ── Section heading ──────────────────────────────────── */
.section-title {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-3);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.section-title::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

/* ── Glass card ───────────────────────────────────────── */
.card {
  background: var(--bg-card);
  backdrop-filter: blur(var(--blur));
  -webkit-backdrop-filter: blur(var(--blur));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  transition: var(--transition);
}
.card:hover {
  border-color: var(--border-bright);
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.4);
}

/* ══════════════════════════════════════════════════════════
   HERO STATS ROW
══════════════════════════════════════════════════════════ */
.hero-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 32px;
}

.stat-card {
  background: var(--bg-card);
  backdrop-filter: blur(var(--blur));
  -webkit-backdrop-filter: blur(var(--blur));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px 24px;
  position: relative;
  overflow: hidden;
  transition: var(--transition);
  cursor: default;
}
.stat-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--accent-color, linear-gradient(90deg, var(--accent), var(--accent-2)));
}
.stat-card:hover {
  border-color: var(--border-bright);
  transform: translateY(-3px);
  box-shadow: 0 16px 48px rgba(0,0,0,0.5);
}
.stat-card-label {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-3);
  margin-bottom: 10px;
}
.stat-card-value {
  font-family: 'JetBrains Mono', monospace;
  font-size: 2rem;
  font-weight: 700;
  line-height: 1;
  color: var(--text-1);
  letter-spacing: -0.03em;
}
.stat-card-sub {
  font-size: 0.72rem;
  color: var(--text-3);
  margin-top: 6px;
}
.stat-card-icon {
  position: absolute;
  bottom: 18px; right: 20px;
  font-size: 2rem;
  opacity: 0.1;
}
/* accent colours per card */
.accent-blue::before { background: linear-gradient(90deg, var(--accent), var(--accent-3)); }
.accent-purple::before { background: linear-gradient(90deg, var(--accent-2), var(--pink)); }
.accent-green::before { background: linear-gradient(90deg, var(--green), var(--accent-3)); }
.accent-yellow::before { background: var(--yellow); }

/* ══════════════════════════════════════════════════════════
   FILTERS BAR
══════════════════════════════════════════════════════════ */
#filters {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  margin-bottom: 28px;
  padding: 16px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.filter-group {
  display: flex;
  align-items: center;
  gap: 8px;
}
.filter-label {
  font-size: 0.72rem;
  color: var(--text-3);
  font-weight: 600;
  white-space: nowrap;
}
.filter-select {
  background: rgba(99,120,255,0.08);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-1);
  font-family: 'Inter', sans-serif;
  font-size: 0.8rem;
  padding: 6px 30px 6px 12px;
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  transition: var(--transition);
}
.filter-select:hover, .filter-select:focus {
  border-color: var(--accent);
  outline: none;
  background-color: rgba(99,120,255,0.14);
}

.date-input {
  background: rgba(99,120,255,0.08);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-1);
  font-family: 'Inter', sans-serif;
  font-size: 0.8rem;
  padding: 6px 12px;
  cursor: pointer;
  transition: var(--transition);
}
.date-input::-webkit-calendar-picker-indicator { filter: invert(0.7) sepia(1) hue-rotate(200deg); }
.date-input:hover, .date-input:focus {
  border-color: var(--accent);
  outline: none;
}

.timeframe-pills {
  display: flex;
  gap: 4px;
}
.pill {
  padding: 5px 13px;
  border-radius: 99px;
  font-size: 0.75rem;
  font-weight: 600;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-2);
  cursor: pointer;
  transition: var(--transition);
}
.pill:hover { border-color: var(--accent); color: var(--accent); }
.pill.active {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  border-color: transparent;
  color: #fff;
  box-shadow: 0 2px 12px rgba(99,120,255,0.4);
}

.filters-spacer { flex: 1; }

/* ══════════════════════════════════════════════════════════
   CHARTS GRID
══════════════════════════════════════════════════════════ */
.charts-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 28px;
}
.chart-card {
  background: var(--bg-card);
  backdrop-filter: blur(var(--blur));
  -webkit-backdrop-filter: blur(var(--blur));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  transition: var(--transition);
  position: relative;
}
.chart-card:hover {
  border-color: var(--border-bright);
  box-shadow: 0 10px 40px rgba(0,0,0,0.4);
}
.chart-card.wide { grid-column: 1 / -1; }

.chart-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}
.chart-title {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-1);
}
.chart-sub {
  font-size: 0.7rem;
  color: var(--text-3);
  margin-top: 2px;
}
.chart-wrap {
  position: relative;
  height: 220px;
}
.chart-wrap canvas { max-height: 220px; }

/* ══════════════════════════════════════════════════════════
   LOG TABLE
══════════════════════════════════════════════════════════ */
.table-card {
  background: var(--bg-card);
  backdrop-filter: blur(var(--blur));
  -webkit-backdrop-filter: blur(var(--blur));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.table-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
}
.table-title {
  font-size: 0.9rem;
  font-weight: 700;
}
.table-count {
  font-size: 0.72rem;
  color: var(--text-3);
  font-family: 'JetBrains Mono', monospace;
}

.log-table-wrap { overflow-x: auto; }
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.82rem;
}
thead th {
  text-align: left;
  padding: 12px 16px;
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-3);
  background: rgba(99,120,255,0.04);
  border-bottom: 1px solid var(--border);
  cursor: pointer;
  user-select: none;
  white-space: nowrap;
}
thead th:hover { color: var(--text-2); }
thead th .sort-icon { opacity: 0.4; margin-left: 4px; }
thead th.sorted .sort-icon { opacity: 1; color: var(--accent); }

tbody tr {
  border-bottom: 1px solid rgba(99,120,255,0.05);
  transition: background var(--transition);
  animation: row-in 0.3s ease both;
}
@keyframes row-in {
  from { opacity: 0; transform: translateX(-8px); }
  to   { opacity: 1; transform: translateX(0); }
}
tbody tr:hover { background: rgba(99,120,255,0.06); }
tbody td {
  padding: 12px 16px;
  vertical-align: middle;
  color: var(--text-2);
}
tbody td:first-child { color: var(--text-3); font-size: 0.75rem; font-family: 'JetBrains Mono', monospace; }

.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 10px;
  border-radius: 99px;
  font-size: 0.72rem;
  font-weight: 600;
}
.badge-user { background: rgba(99,120,255,0.15); color: var(--accent-2); }
.badge-model { background: rgba(56,189,248,0.12); color: var(--accent-3); }
.token-value {
  font-family: 'JetBrains Mono', monospace;
  font-weight: 600;
  color: var(--text-1);
}
.cost-value {
  font-family: 'JetBrains Mono', monospace;
  font-weight: 600;
  color: var(--green);
}

/* no data */
.empty-state {
  text-align: center;
  padding: 60px 24px;
  color: var(--text-3);
}
.empty-state .empty-icon { font-size: 3rem; margin-bottom: 12px; opacity: 0.4; }
.empty-state p { font-size: 0.85rem; }

/* ══════════════════════════════════════════════════════════
   LOG ENTRY MODAL
══════════════════════════════════════════════════════════ */
.modal-backdrop {
  display: none;
  position: fixed; inset: 0; z-index: 200;
  background: rgba(0,0,0,0.75);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  animation: fade-in 0.2s ease;
}
.modal-backdrop.open { display: flex; align-items: center; justify-content: center; }
@keyframes fade-in { from { opacity: 0; } to { opacity: 1; } }

.modal {
  background: var(--bg-1);
  border: 1px solid var(--border-bright);
  border-radius: 20px;
  padding: 32px;
  width: 100%;
  max-width: 480px;
  animation: slide-up 0.25s cubic-bezier(0.34,1.56,0.64,1);
  position: relative;
}
@keyframes slide-up {
  from { opacity: 0; transform: translateY(30px) scale(0.97); }
  to   { opacity: 1; transform: none; }
}
.modal-title {
  font-size: 1.15rem;
  font-weight: 800;
  margin-bottom: 24px;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-2) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.modal-close {
  position: absolute;
  top: 20px; right: 20px;
  background: rgba(99,120,255,0.1);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-2);
  width: 32px; height: 32px;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  transition: var(--transition);
  font-size: 1rem;
}
.modal-close:hover { background: rgba(248,113,113,0.15); color: var(--red); border-color: rgba(248,113,113,0.3); }

.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group.full { grid-column: 1 / -1; }
.form-label { font-size: 0.72rem; font-weight: 600; color: var(--text-3); text-transform: uppercase; letter-spacing: 0.07em; }
.form-control {
  background: rgba(99,120,255,0.07);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text-1);
  font-family: 'Inter', sans-serif;
  font-size: 0.85rem;
  padding: 10px 14px;
  transition: var(--transition);
}
.form-control:focus { outline: none; border-color: var(--accent); background: rgba(99,120,255,0.12); }
.form-control::placeholder { color: var(--text-3); }
select.form-control { cursor: pointer; appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 12px center; }

.form-actions {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
  margin-top: 24px;
}

/* ══════════════════════════════════════════════════════════
   TOAST NOTIFICATION
══════════════════════════════════════════════════════════ */
#toast-container {
  position: fixed;
  bottom: 24px; right: 24px;
  z-index: 999;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.toast {
  background: var(--bg-1);
  border: 1px solid var(--border-bright);
  border-radius: 12px;
  padding: 12px 18px;
  font-size: 0.82rem;
  color: var(--text-1);
  animation: toast-in 0.3s cubic-bezier(0.34,1.56,0.64,1);
  display: flex;
  align-items: center;
  gap: 10px;
  box-shadow: 0 8px 28px rgba(0,0,0,0.5);
}
@keyframes toast-in {
  from { opacity: 0; transform: translateX(30px); }
  to   { opacity: 1; transform: none; }
}
.toast.out { animation: toast-out 0.25s ease forwards; }
@keyframes toast-out {
  to { opacity: 0; transform: translateX(30px); }
}

/* ══════════════════════════════════════════════════════════
   DEMO BADGE
══════════════════════════════════════════════════════════ */
.demo-indicator {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--yellow);
  background: rgba(251,191,36,0.1);
  border: 1px solid rgba(251,191,36,0.25);
  border-radius: 99px;
  padding: 4px 12px;
}
.demo-indicator .dot {
  width: 6px; height: 6px;
  background: var(--yellow);
  border-radius: 50%;
  animation: pulse-dot 1.2s ease-in-out infinite;
  box-shadow: 0 0 6px var(--yellow);
}

/* ══════════════════════════════════════════════════════════
   RESPONSIVE
══════════════════════════════════════════════════════════ */
@media (max-width: 900px) {
  .charts-grid { grid-template-columns: 1fr; }
  .chart-card.wide { grid-column: 1; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  #hud { padding: 0 12px; height: auto; flex-wrap: wrap; padding: 10px 12px; gap: 8px; }
  .hud-stats { gap: 4px; }
  .hud-stat-label { display: none; }
  main { padding: 20px 12px 60px; }
  .hero-stats { grid-template-columns: 1fr 1fr; gap: 10px; }
  .stat-card-value { font-size: 1.5rem; }
  #filters { flex-direction: column; align-items: flex-start; }
  .form-grid { grid-template-columns: 1fr; }
  .hud-logo-text { font-size: 0.95rem; }
}

/* ── Animate stat-card values on update ─────────────────── */
@keyframes value-flash {
  0%, 100% { color: inherit; }
  40% { color: var(--accent); text-shadow: 0 0 12px rgba(99,120,255,0.6); }
}
.flash { animation: value-flash 0.5s ease; }