/* ── Buttons ─────────────────────────────────────────────── */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 22px;
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-weight: 600;
  transition: var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 1px 2px rgba(37,99,235,0.3), 0 4px 12px rgba(37,99,235,0.2);
}
.btn-primary:hover {
  background: var(--accent-hover);
  box-shadow: 0 1px 2px rgba(37,99,235,0.4), 0 6px 20px rgba(37,99,235,0.3);
  transform: translateY(-1px);
}

.btn-outline {
  background: transparent;
  color: var(--text-2);
  border: 1.5px solid var(--border);
}
.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-light);
}

.btn-ghost {
  background: transparent;
  color: var(--text-2);
}
.btn-ghost:hover { color: var(--text-1); background: var(--surface-2); }

.btn-sm {
  padding: 7px 14px;
  font-size: 0.8rem;
}

.btn-lg {
  padding: 14px 28px;
  font-size: 1rem;
  border-radius: var(--radius-lg);
}

.btn-navy {
  background: var(--navy);
  color: #fff;
  box-shadow: 0 4px 14px rgba(30, 58, 95, 0.3);
}
.btn-navy:hover {
  background: var(--navy-dark);
  transform: translateY(-1px);
}

/* ── Card ────────────────────────────────────────────────── */

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-slow);
}
.card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

/* ── KPI card (mini version for demos) ───────────────────── */

.kpi-mini {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
  border-left: 3px solid var(--accent);
}
.kpi-mini-val {
  font-size: 1.5rem;
  font-weight: 800;
  font-family: var(--font-mono);
  color: var(--text-1);
  line-height: 1;
  transition: all 0.3s ease;
}
.kpi-mini-label {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-3);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: 4px;
}

/* ── Browser mockup frame ────────────────────────────────── */

.browser-frame {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl), var(--glow);
  overflow: hidden;
}

.browser-chrome {
  background: var(--surface-2);
  border-bottom: 1px solid var(--border);
  padding: 10px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.browser-dots {
  display: flex;
  gap: 6px;
}
.browser-dot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
}
.browser-dot-red    { background: #ff5f57; }
.browser-dot-yellow { background: #febc2e; }
.browser-dot-green  { background: #28c840; }

.browser-url {
  flex: 1;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 4px 12px;
  font-size: 0.75rem;
  color: var(--text-3);
  font-family: var(--font-mono);
  display: flex;
  align-items: center;
  gap: 6px;
}
.browser-url::before {
  content: '🔒';
  font-size: 0.65rem;
}

/* ── Demo app chrome ─────────────────────────────────────── */

.app-chrome {
  display: flex;
  height: 420px;
  overflow: hidden;
}

.app-sidebar {
  width: 140px;
  background: #1e3a5f;
  flex-shrink: 0;
  padding: 12px 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.app-sidebar-logo {
  font-size: 0.7rem;
  font-weight: 800;
  color: rgba(255,255,255,0.5);
  padding: 0 12px 12px;
  letter-spacing: 0.08em;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  margin-bottom: 8px;
}

.app-nav-item {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 7px 12px;
  font-size: 0.72rem;
  color: rgba(255,255,255,0.55);
  border-left: 2px solid transparent;
  cursor: pointer;
  transition: all 0.15s ease;
}
.app-nav-item:hover {
  color: rgba(255,255,255,0.85);
  background: rgba(255,255,255,0.05);
}
.app-nav-item.active {
  color: #fff;
  background: rgba(255,255,255,0.1);
  border-left-color: #3b82f6;
  font-weight: 600;
}
.app-nav-dot {
  width: 5px; height: 5px;
  border-radius: 50%;
  background: currentColor;
  opacity: 0.6;
  flex-shrink: 0;
}

.app-main {
  flex: 1;
  background: #f1f5f9;
  overflow-y: auto;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

[data-theme="dark"] .app-main { background: #0b1525; }
[data-theme="dark"] .app-chrome .kpi-mini { background: #111e35; border-color: #1a2d4a; }

.app-page-title {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-1);
  margin-bottom: 4px;
}

/* ── Table mini ──────────────────────────────────────────── */

.mini-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.72rem;
}
.mini-table th {
  text-align: left;
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-3);
  padding: 6px 8px;
  border-bottom: 1px solid var(--border);
}
.mini-table td {
  padding: 7px 8px;
  border-bottom: 1px solid var(--border-light);
  color: var(--text-1);
  font-size: 0.73rem;
}
.mini-table tr:last-child td { border-bottom: none; }
.mini-table tr:hover td { background: var(--surface-2); }

/* ── Alert row ───────────────────────────────────────────── */

.alert-row {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  animation: alert-slide 0.35s ease forwards;
  overflow: hidden;
}
.alert-row.danger  { background: var(--danger-light);  border-left: 3px solid var(--danger);  color: #991b1b; }
.alert-row.warning { background: var(--warning-light); border-left: 3px solid var(--warning); color: #92400e; }
.alert-row.success { background: var(--success-light); border-left: 3px solid var(--success); color: #166534; }

[data-theme="dark"] .alert-row.danger  { color: #fca5a5; }
[data-theme="dark"] .alert-row.warning { color: #fcd34d; }
[data-theme="dark"] .alert-row.success { color: #86efac; }

.alert-row-title { font-weight: 600; }
.alert-row-desc  { color: var(--text-2); margin-top: 1px; }

/* ── Input field ─────────────────────────────────────────── */

.field {
  width: 100%;
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  padding: 10px 14px;
  font-size: 0.9rem;
  color: var(--text-1);
  font-family: var(--font);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  outline: none;
}
.field:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(37,99,235,0.12);
}
.field::placeholder { color: var(--text-3); }

/* ── Chain step ──────────────────────────────────────────── */

.chain-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  opacity: 0.3;
  transition: all 0.4s ease;
}
.chain-step.active {
  opacity: 1;
}
.chain-step-circle {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 2.5px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  background: var(--surface);
  transition: all 0.4s ease;
  position: relative;
}
.chain-step.active .chain-step-circle {
  border-color: var(--accent);
  background: var(--accent-light);
  box-shadow: 0 0 0 6px rgba(37,99,235,0.08);
}
.chain-step-label {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-3);
  text-align: center;
  transition: color 0.4s ease;
}
.chain-step.active .chain-step-label { color: var(--accent); }

.chain-arrow {
  color: var(--text-3);
  font-size: 1rem;
  margin-top: -30px;
  transition: color 0.4s ease;
}
.chain-arrow.active { color: var(--accent); }