/* ═══════════════════════════════════════════════════════════
   Dashboard Layout
   ═══════════════════════════════════════════════════════════ */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html, body {
  background: var(--bg-main);
  color: var(--text-main);
  font-family: var(--font-main);
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: transparent;
  color: inherit;
}

a {
  color: inherit;
  text-decoration: none;
}

.mono {
  font-family: var(--font-mono);
  font-feature-settings: 'tnum';
}

/* Main app grid */
.app {
  display: grid;
  grid-template-columns: var(--sidebar-width) 1fr var(--right-panel-width);
  grid-template-rows: var(--topbar-height) 1fr;
  grid-template-areas:
    "sidebar topbar topbar"
    "sidebar main right";
  min-height: 100vh;
}

.main {
  grid-area: main;
  padding: 20px;
  overflow-y: auto;
}

/* Auto-adapt grid when right-panel is absent */
.app:not(:has(.right-panel)) {
  grid-template-columns: var(--sidebar-width) 1fr;
  grid-template-areas:
    "sidebar topbar"
    "sidebar main";
}


/* Demo banner */
.demo-banner {
  background: linear-gradient(90deg, var(--purple), var(--base-blue));
  color: white;
  text-align: center;
  padding: 8px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.3px;
}

.demo-banner a {
  color: white;
  text-decoration: underline;
  margin-left: 6px;
}

/* Custom scrollbars */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-main);
}

::-webkit-scrollbar-thumb {
  background: var(--bg-elevated);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: #1f2937;
}

/* Loading spinner */
.spinner {
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid var(--border-soft);
  border-top-color: var(--purple);
  border-radius: 50%;
  animation: spinner-rotate 0.7s linear infinite;
  vertical-align: middle;
}

@keyframes spinner-rotate {
  0%   { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.loading-row {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-muted);
  font-size: 13px;
}

/* Toast / notifications (basic) */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  font-size: 13px;
  z-index: 1000;
  box-shadow: var(--shadow-elevated);
  display: none;
}

.toast.show {
  display: block;
  animation: toast-in 0.3s ease;
}

@keyframes toast-in {
  from { transform: translateY(20px); opacity: 0; }
  to   { transform: translateY(0); opacity: 1; }
}

/* Responsive */
@media (max-width: 1400px) {
  .stats-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 1100px) {
  .app {
    grid-template-columns: 200px 1fr;
    grid-template-areas:
      "sidebar topbar"
      "sidebar main";
  }
  .right-panel {
    display: none;
  }
}

@media (max-width: 768px) {
  .app {
    grid-template-columns: 1fr;
    grid-template-areas:
      "topbar"
      "main";
  }
  .sidebar { display: none; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .filter-bar { gap: 8px; }
  .filter-group { flex-wrap: wrap; }
  .table-wrap { overflow-x: auto; }
  .table-tokens { min-width: 900px; }
  .topbar { padding: 0 12px; }
}