/* ============================================================
   SMART WEB DESIGN — Live Demo Dashboard
   ============================================================ */

.demo-banner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  flex-wrap: wrap;
  padding: var(--space-3) var(--space-6);
  background: var(--color-accent-dim);
  border-bottom: 1px solid var(--color-border-accent);
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
  text-align: center;
}
.demo-banner strong { color: var(--color-accent); }

.demo-shell {
  display: flex;
  align-items: stretch;
  min-height: calc(100vh - 260px);
}

/* ---- Sidebar ---- */
.demo-sidebar {
  width: 260px;
  flex-shrink: 0;
  background: var(--color-surface-1);
  border-right: 1px solid var(--color-border);
  padding: var(--space-6) var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.demo-sidebar__nav {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  list-style: none;
}

.demo-nav-btn {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  width: 100%;
  padding: 0.7rem var(--space-4);
  background: none;
  border: none;
  border-radius: var(--radius-md);
  font-family: inherit;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-secondary);
  cursor: pointer;
  text-align: left;
  transition: background var(--ease-fast), color var(--ease-fast);
}
.demo-nav-btn:hover { background: var(--color-surface-2); color: var(--color-text-primary); }
.demo-nav-btn.active {
  background: var(--color-accent-dim);
  color: var(--color-accent);
  font-weight: 700;
}
.demo-nav-btn i { font-size: 1.15rem; flex-shrink: 0; }

.demo-sidebar__exit {
  margin-top: auto;
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border);
}

/* ---- Main ---- */
.demo-main {
  flex: 1;
  min-width: 0;
  padding: var(--space-8);
}

.demo-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  margin-bottom: var(--space-8);
  flex-wrap: wrap;
}
.demo-topbar__title { font-family: var(--font-display); font-size: var(--text-2xl); font-weight: 800; }
.demo-topbar__subtitle { font-size: var(--text-sm); color: var(--color-text-muted); margin-top: var(--space-1); }

.demo-section { display: none; }
.demo-section.active { display: block; }

/* ---- Stat Tiles ---- */
.demo-stat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-5);
  margin-bottom: var(--space-8);
}
@media (max-width: 900px) { .demo-stat-grid { grid-template-columns: repeat(2, 1fr); } }

.demo-stat-tile {
  padding: var(--space-6);
  background: var(--color-surface-1);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}
.demo-stat-tile strong { display: block; font-family: var(--font-display); font-size: var(--text-3xl); font-weight: 800; color: var(--color-text-primary); margin-bottom: var(--space-1); }
.demo-stat-tile span { font-size: var(--text-xs); color: var(--color-text-muted); }

/* ---- Table ---- */
.demo-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  background: var(--color-surface-1);
}
.demo-table { width: 100%; border-collapse: collapse; min-width: 640px; }
.demo-table th, .demo-table td {
  padding: var(--space-4) var(--space-5);
  text-align: left;
  font-size: var(--text-sm);
  border-bottom: 1px solid var(--color-border);
}
.demo-table th { font-size: var(--text-xs); font-weight: 600; letter-spacing: 0.05em; text-transform: uppercase; color: var(--color-text-muted); }
.demo-table td { color: var(--color-text-secondary); }
.demo-table tr:last-child td { border-bottom: none; }
.demo-table tr:hover td { background: rgba(255,255,255,0.02); }

.demo-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.7rem;
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 600;
}
.demo-badge--new, .demo-badge--sent, .demo-badge--pending { background: rgba(0, 212, 255, 0.12); color: var(--color-accent); }
.demo-badge--progress, .demo-badge--todo { background: rgba(245, 158, 11, 0.12); color: var(--color-warning); }
.demo-badge--done, .demo-badge--paid, .demo-badge--accepted, .demo-badge--confirmed { background: rgba(16, 185, 129, 0.12); color: var(--color-success); }
.demo-badge--overdue, .demo-badge--expired { background: rgba(239, 68, 68, 0.12); color: var(--color-error); }

/* ---- Kanban ---- */
.demo-kanban {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-5);
  align-items: start;
}
@media (max-width: 1024px) { .demo-kanban { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px)  { .demo-kanban { grid-template-columns: 1fr; } }

.demo-kanban-col {
  background: var(--color-surface-1);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
}
.demo-kanban-col__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
}
.demo-kanban-col__count {
  background: var(--color-surface-2);
  border-radius: var(--radius-full);
  padding: 0.1rem 0.55rem;
  font-size: var(--text-xs);
}
.demo-kanban-card {
  padding: var(--space-4);
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-3);
}
.demo-kanban-card:last-child { margin-bottom: 0; }
.demo-kanban-card__title { font-size: var(--text-sm); font-weight: 600; color: var(--color-text-primary); margin-bottom: var(--space-1); }
.demo-kanban-card__meta { font-size: var(--text-xs); color: var(--color-text-muted); }

/* ---- Reports ---- */
.demo-report-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
}
@media (max-width: 900px) { .demo-report-grid { grid-template-columns: 1fr; } }
.demo-report-card {
  padding: var(--space-6);
  background: var(--color-surface-1);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}
.demo-report-card__icon {
  width: 44px; height: 44px;
  display: flex; align-items: center; justify-content: center;
  border-radius: var(--radius-md);
  background: var(--color-accent-dim);
  color: var(--color-accent);
  font-size: 1.3rem;
  margin-bottom: var(--space-4);
}
.demo-report-card h3 { font-size: var(--text-base); font-weight: 700; margin-bottom: var(--space-2); }
.demo-report-card p { font-size: var(--text-sm); color: var(--color-text-secondary); line-height: 1.6; margin-bottom: var(--space-5); }

/* ---- Bar Chart ---- */
.demo-chart-card {
  padding: var(--space-6);
  background: var(--color-surface-1);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}
.demo-chart-card h3 { font-size: var(--text-base); font-weight: 700; margin-bottom: var(--space-6); }
.demo-bar-chart {
  display: flex;
  align-items: flex-end;
  gap: var(--space-4);
  height: 180px;
  margin-bottom: var(--space-4);
}
.demo-bar-col { flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: flex-end; height: 100%; gap: var(--space-2); }
.demo-bar {
  width: 100%;
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  background: var(--gradient-accent);
}
.demo-bar-label { font-size: var(--text-xs); color: var(--color-text-muted); }

.demo-charts-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: var(--space-5);
  margin-top: var(--space-6);
}
@media (max-width: 900px) { .demo-charts-grid { grid-template-columns: 1fr; } }

.demo-donut-wrap { display: flex; align-items: center; gap: var(--space-6); flex-wrap: wrap; justify-content: center; }
.demo-donut {
  width: 140px;
  height: 140px;
  border-radius: 50%;
  flex-shrink: 0;
  position: relative;
}
.demo-donut::after {
  content: '';
  position: absolute;
  inset: 18px;
  border-radius: 50%;
  background: var(--color-surface-1);
}
.demo-donut-legend { display: flex; flex-direction: column; gap: var(--space-2); }
.demo-donut-legend li { display: flex; align-items: center; gap: var(--space-2); font-size: var(--text-xs); color: var(--color-text-secondary); }
.demo-donut-legend span.dot { width: 10px; height: 10px; border-radius: var(--radius-full); flex-shrink: 0; }

/* ---- AI Assistant ---- */
.demo-ai-chat {
  max-width: 640px;
  background: var(--color-surface-1);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
}
.demo-ai-chat__body {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  padding: var(--space-6);
  max-height: 360px;
  overflow-y: auto;
}
.demo-ai-chat__form {
  display: flex;
  gap: var(--space-3);
  padding: var(--space-4);
  border-top: 1px solid var(--color-border);
}
.demo-ai-chat__form input {
  flex: 1;
  padding: 0.75rem 1rem;
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text-primary);
  font-size: var(--text-sm);
  font-family: var(--font-body);
}
.demo-ai-chat__form input:focus { outline: none; border-color: var(--color-accent); }

.chat-bubble {
  max-width: 85%;
  padding: var(--space-4) var(--space-5);
  border-radius: var(--radius-lg);
  font-size: var(--text-sm);
  line-height: 1.6;
}
.chat-bubble--user {
  align-self: flex-end;
  background: var(--color-surface-2);
  color: var(--color-text-primary);
  border-bottom-right-radius: var(--radius-sm);
}
.chat-bubble--ai {
  align-self: flex-start;
  background: var(--color-accent-dim);
  color: var(--color-text-primary);
  border: 1px solid var(--color-border-accent);
  border-bottom-left-radius: var(--radius-sm);
}

/* ---- Settings ---- */
.demo-settings-grid {
  max-width: 560px;
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}
.demo-toggle-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-5);
  background: var(--color-surface-1);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}
.demo-toggle-row__label { font-size: var(--text-sm); font-weight: 500; color: var(--color-text-primary); }
.demo-toggle {
  position: relative;
  width: 42px;
  height: 24px;
  border-radius: var(--radius-full);
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  cursor: pointer;
  flex-shrink: 0;
}
.demo-toggle::after {
  content: '';
  position: absolute;
  top: 2px;
  left: 2px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--color-text-muted);
  transition: transform var(--ease-fast), background var(--ease-fast);
}
.demo-toggle.on { background: var(--color-accent-dim); border-color: var(--color-border-accent); }
.demo-toggle.on::after { transform: translateX(18px); background: var(--color-accent); }

/* ---- Responsive ---- */
@media (max-width: 860px) {
  .demo-shell { flex-direction: column; }
  .demo-sidebar {
    width: 100%;
    flex-direction: row;
    overflow-x: auto;
    padding: var(--space-4);
  }
  .demo-sidebar__nav { flex-direction: row; }
  .demo-sidebar__exit { display: none; }
  .demo-main { padding: var(--space-5); }
}