/* ============================================
   SHARED LAYOUT - Sidebar, User Card, Main
   Used by: dashboard, settings, applications, app, agent, admin
   ============================================ */

/* Dashboard Layout Wrapper */
.dashboard {
  display: flex;
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
  overflow-x: clip;
}

/* === SIDEBAR === */

.sidebar {
  width: 260px;
  height: 100vh;
  position: fixed;
  left: 0;
  top: 0;
  display: flex;
  flex-direction: column;
  background: rgba(15, 17, 21, 0.6);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border-right: 1px solid var(--color-border);
  z-index: 30;
}

.sidebar__logo {
  height: 72px;
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: 0 var(--space-6);
}

.sidebar__logo-mark {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-md);
  background: white;
  color: var(--color-canvas);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif);
  font-size: var(--text-xl);
  font-weight: 700;
}

.sidebar__logo-text {
  font-weight: 600;
  font-size: var(--text-lg);
  letter-spacing: -0.02em;
}

.sidebar__nav {
  flex: 1;
  padding: var(--space-6) var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.sidebar__footer {
  padding: var(--space-4);
  border-top: 1px solid var(--color-border);
}

/* === USER CARD === */

.user-card {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2);
  margin-bottom: var(--space-3);
}

.user-card__avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-surface-highlight), var(--color-surface));
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 500;
  font-size: var(--text-sm);
}

.user-card__name {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-primary);
}

.user-card__email {
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
}

/* === MAIN CONTENT AREA === */

.main {
  flex: 1;
  margin-left: 260px;
  min-height: 100vh;
  position: relative;
  overflow-y: auto;
}

.main__content {
  max-width: 1000px;
  margin: 0 auto;
  padding: var(--space-10) var(--space-8);
}

/* === PAGE HEADER === */

.page-header {
  margin-bottom: var(--space-10);
}

.page-header__title {
  font-family: var(--font-serif);
  font-size: var(--text-4xl);
  color: var(--color-text-primary);
  margin-bottom: var(--space-2);
}

.page-header__subtitle {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  font-weight: 300;
}

.text-gradient {
  background: linear-gradient(135deg, var(--color-text-primary) 0%, var(--color-accent-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* === PLAN BADGE === */

.plan-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 10px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  line-height: 1.6;
  text-decoration: none;
}

.plan-badge--free {
  background: var(--color-surface-2);
  color: var(--color-text-secondary);
}

.plan-badge--beta {
  background: rgba(139, 92, 246, 0.15);
  color: var(--color-accent-purple);
}

.plan-badge--sprint {
  background: rgba(59, 130, 246, 0.15);
  color: var(--color-status-blue);
}

.plan-badge--pro {
  background: linear-gradient(135deg, rgba(251, 191, 36, 0.2), rgba(245, 158, 11, 0.2));
  color: var(--color-status-amber);
}

.plan-badge--admin {
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.25), rgba(236, 72, 153, 0.25));
  color: var(--color-accent-purple);
  cursor: pointer;
  transition: filter 0.2s;
}

.plan-badge--admin:hover {
  filter: brightness(1.3);
}

/* === MOBILE HEADER === */

.mobile-header {
  display: none;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  padding: 0 var(--space-4);
  background: var(--color-canvas);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 20;
}

.mobile-toggle {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-primary);
}

/* === SIDEBAR OVERLAY (mobile) === */

.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  z-index: 39;
  opacity: 0;
  transition: opacity 0.3s ease;
  -webkit-tap-highlight-color: transparent;
}

.sidebar-overlay.visible {
  display: block;
  opacity: 1;
}

/* === RESPONSIVE: Sidebar Collapse === */

@media (max-width: 1024px) {
  .sidebar {
    transform: translateX(-100%);
    transition: transform var(--transition-slow);
    z-index: 40;
  }

  .sidebar.open {
    transform: translateX(0);
  }

  .main {
    margin-left: 0;
  }

  .mobile-header {
    display: flex;
  }

  .main__content {
    padding: var(--space-6) var(--space-4);
  }

  .page-header__title {
    font-size: var(--text-3xl);
  }
}