/* Layout — landing + dashboard */

/* === LANDING === */
.landing { background: var(--bg-primary); }
.landing .container { max-width: 1100px; margin: 0 auto; padding: 0 24px; }
.landing-header { padding: 16px 0; border-bottom: 1px solid var(--border); }
.landing-header .container { display: flex; justify-content: space-between; align-items: center; }
.landing-header nav { display: flex; gap: 24px; align-items: center; }
.landing-header nav a { color: var(--text-secondary); font-size: 13px; }
.landing-header nav a:hover, .landing-header nav a.active { color: var(--brand-white); }
.brand { font-family: var(--font-serif); font-size: 18px; font-weight: 500; color: var(--brand-white); }

.landing-hero { padding: 80px 0; }
.landing-hero h1 { font-family: var(--font-serif); font-size: 48px; font-weight: 500; margin-bottom: 16px; text-align: center; }
.landing-hero .lead { font-size: 18px; color: var(--text-secondary); text-align: center; max-width: 700px; margin: 0 auto 32px; }
.landing-hero .btn { display: inline-block; margin: 0 auto; }
.landing-hero > .container { text-align: center; }

.feature-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; margin-top: 64px; }
.feature-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-md); padding: 20px; }
.feature-card h3 { font-size: 12px; color: var(--text-secondary); letter-spacing: 2px; margin-bottom: 8px; }
.feature-card p { font-size: 13px; color: var(--text-primary); }

.landing-footer { padding: 32px 0; border-top: 1px solid var(--border); text-align: center; }
.landing-footer p { font-size: 12px; color: var(--text-muted); }

/* === DASHBOARD === */
.dashboard { display: grid; grid-template-columns: var(--sidebar-width) 1fr; min-height: 100vh; }

.sidebar { background: var(--bg-secondary); border-right: 1px solid var(--border); padding: 20px 0; display: flex; flex-direction: column; }
.sidebar .brand { padding: 0 20px; margin-bottom: 24px; display: block; }
.sidebar nav { flex: 1; overflow-y: auto; }
.sidebar nav .nav-category { padding: 8px 20px; font-size: var(--label-xs); color: var(--text-muted); letter-spacing: 1.5px; text-transform: uppercase; margin-top: 16px; }
.sidebar nav a { display: block; padding: 8px 20px; font-size: 13px; color: var(--text-secondary); border-left: 2px solid transparent; }
.sidebar nav a:hover { background: var(--bg-card-hover); color: var(--brand-white); }
.sidebar nav a.active { color: var(--brand-purple); border-left-color: var(--brand-purple); background: rgba(139, 92, 246, 0.08); }
.sidebar-footer { padding: 16px 20px; border-top: 1px solid var(--border); }

.main-content { display: flex; flex-direction: column; min-width: 0; }
.main-header { display: flex; justify-content: space-between; align-items: center; padding: 0 32px; height: var(--header-height); border-bottom: 1px solid var(--border); }
.main-header h1 { font-size: 18px; font-weight: 500; }
.header-actions { display: flex; align-items: center; gap: 16px; }
.btc-price { font-family: var(--font-mono); font-size: 14px; color: var(--accent-yellow); }

#sectionContainer { padding: 24px 32px; }

/* === Mobile responsive === */
@media (max-width: 768px) {
  .dashboard { grid-template-columns: 1fr; }
  .sidebar { display: none; }
  .landing-hero h1 { font-size: 32px; }
  .landing-hero .lead { font-size: 14px; }
}