/* ═══════════════════════════════════════════════════════════
   StrAct Z - Layout & Grids
   ═══════════════════════════════════════════════════════════ */

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

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
  width: 100%;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
  line-height: 1.6;
}

body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background:
    radial-gradient(ellipse at 20% 0%, var(--body-glow) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 100%, rgba(59, 130, 246, 0.05) 0%, transparent 50%);
  pointer-events: none;
  z-index: 0;
}

/* ─── Header ──────────────────────────────────────────── */
.header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(10, 14, 26, 0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: 0 2rem;
}

.header-inner {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: auto;
  min-height: 64px;
  flex-wrap: wrap;
  gap: 12px;
  padding: 8px 0;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--strava-orange);
  text-decoration: none;
}

.is-vip .logo {
  text-shadow: 0 0 15px rgba(245, 158, 11, 0.4);
}

.logo-icon {
  width: 36px;
  height: 36px;
  background: var(--gradient-premium);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: white;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.auth-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 20px;
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid rgba(16, 185, 129, 0.3);
  font-size: 0.8rem;
  color: var(--accent-green);
}

.auth-badge.disconnected {
  background: rgba(239, 68, 68, 0.15);
  border-color: rgba(239, 68, 68, 0.3);
  color: var(--accent-red);
}

/* ─── Main Layout ─────────────────────────────────────── */
.main {
  max-width: 1400px;
  margin: 0 auto;
  padding: 2rem;
  position: relative;
  z-index: 1;
}

@media (max-width: 768px) {
  .main {
    padding: 1rem;
  }

  .header {
    padding: 0 1rem;
  }
}

/* ─── Stats Grid ──────────────────────────────────────── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 2rem;
}

.stat-card {
  background: var(--gradient-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1rem;
  position: relative;
  overflow: hidden;
  transition: var(--transition);
  display: grid;
  grid-template-areas:
    "icon value"
    "label label";
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 4px 12px;
}

.stat-card:hover,
.card:hover {
  transform: translateY(-2px);
  border-color: var(--strava-orange);
  box-shadow: var(--shadow-glow);
}

.is-vip .stat-card {
  border-color: rgba(245, 158, 11, 0.2);
}

.is-vip .stat-card:hover {
  border-color: var(--vip-gold);
}

.stat-card .stat-icon {
  grid-area: icon;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  margin-bottom: 0;
}

.stat-card .stat-icon.orange {
  background: var(--strava-orange-glow);
}

.stat-card .stat-icon.green {
  background: rgba(16, 185, 129, 0.15);
}

.stat-card .stat-icon.blue {
  background: rgba(59, 130, 246, 0.15);
}

.stat-card .stat-icon.purple {
  background: rgba(139, 92, 246, 0.15);
}

.stat-value {
  grid-area: value;
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--strava-orange);
  line-height: 1;
}

.stat-label {
  grid-area: label;
  font-size: 0.75rem;
  color: var(--text-secondary);
  margin-top: 2px;
}

/* ─── Cards ───────────────────────────────────────────── */
.content-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 2rem;
}

.card {
  background: var(--gradient-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: visible;
  transition: var(--transition);
}

.card:hover {
  border-color: var(--strava-orange-glow);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border);
  border-top-left-radius: var(--radius-lg);
  border-top-right-radius: var(--radius-lg);
  flex-wrap: wrap;
  gap: 10px;
}

.card-title {
  font-size: 1rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
}

.card-body {
  padding: 1.5rem;
}

.full-width {
  grid-column: 1 / -1;
}

/* ─── Responsive Utilities ────────────────────────────── */
.grid-responsive {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 15px;
  align-items: center;
}

@media (max-width: 600px) {
  .grid-responsive {
    grid-template-columns: 1fr;
    gap: 10px;
  }
}