/* ============================================
   WAVLENTH — APP-SHELL.CSS
   Shared by every protected page (dashboard,
   focus, ai, music, subjects, progress, settings).
   Design tokens live in global.css — this file
   is the reusable "logged-in app" layout system.
============================================ */

/* ---------- Fade in on load ---------- */
.dashboard-body {
  animation: dash-fade-in 0.5s ease forwards;
}

@keyframes dash-fade-in {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

/* ---------- App shell ---------- */
.app-shell {
  display: grid;
  grid-template-columns: 240px 1fr;
  min-height: 100vh;
}

/* ---------- Sidebar ---------- */
.sidebar {
  background: var(--card);
  border-right: 1px solid var(--border);
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  height: 100vh;
}

.sidebar-logo {
  display: block;
  font-family: var(--font-display);
  font-size: var(--fs-lg);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text);
  margin-bottom: var(--space-xl);
  transition: color var(--transition);
}

.sidebar-logo:hover {
  color: var(--accent-primary);
}

.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  flex: 1;
}

.sidebar-bottom {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  border-top: 1px solid var(--border);
  padding-top: var(--space-md);
}

.sidebar-link {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  letter-spacing: 0.04em;
  color: var(--muted);
  padding: 10px 12px;
  border-radius: 10px;
  transition:
    background var(--transition),
    color var(--transition),
    transform var(--transition);
  width: 100%;
  text-align: left;
}

.sidebar-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: currentColor;
  margin-right: var(--space-md);
  opacity: 0.5;
  transition:
    opacity var(--transition),
    transform var(--transition);
}

.sidebar-link:hover .sidebar-dot,
.sidebar-link.active .sidebar-dot {
  opacity: 1;
  transform: scale(1.2);
}

/* ---------- Sidebar Toggle ---------- */
.sidebar-toggle {
  position: absolute;
  top: 36px;
  right: -14px;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--card);
  border: 1px solid var(--border);
  color: var(--text);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 10;
  transition:
    transform var(--transition),
    border-color var(--transition),
    color var(--transition);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.sidebar-toggle:hover {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
}

/* ---------- Collapsed State ---------- */
body.sidebar-collapsed .app-shell {
  grid-template-columns: 88px 1fr;
}

body.sidebar-collapsed .sidebar {
  padding-left: var(--space-sm);
  padding-right: var(--space-sm);
  align-items: center;
}

body.sidebar-collapsed .sidebar-logo {
  font-size: 0;
  text-align: center;
}

body.sidebar-collapsed .sidebar-logo::first-letter {
  font-size: var(--fs-lg);
}

body.sidebar-collapsed .sidebar-link {
  font-size: 0;
  justify-content: center;
  padding: 14px 0;
  width: 100%;
  gap: 0;
}

body.sidebar-collapsed .sidebar-dot {
  margin-right: 0;
}

body.sidebar-collapsed .sidebar-toggle {
  transform: rotate(180deg);
}

.sidebar-link:hover {
  background: var(--card-hover);
  color: var(--text);
  transform: translateX(2px);
}

.sidebar-link.active {
  background: var(--card-hover);
  color: var(--accent-dashboard);
}

.sidebar-link.active .sidebar-dot {
  opacity: 1;
}

.sidebar-link[data-accent="ai"]:hover,
.sidebar-link[data-accent="ai"].active {
  color: var(--accent-ai);
}

.sidebar-link[data-accent="leaderboard"]:hover,
.sidebar-link[data-accent="leaderboard"].active {
  color: var(--accent-leaderboard);
}

.sidebar-link[data-accent="music"]:hover,
.sidebar-link[data-accent="music"].active {
  color: var(--accent-music);
}

.sidebar-link[data-accent="subjects"]:hover,
.sidebar-link[data-accent="subjects"].active {
  color: var(--accent-subjects);
}

.sidebar-link[data-accent="focus"]:hover,
.sidebar-link[data-accent="focus"].active {
  color: var(--accent-focus);
}

.sidebar-link[data-accent="dashboard"]:hover,
.sidebar-link[data-accent="dashboard"].active {
  color: var(--accent-dashboard);
}

.sidebar-link[data-accent="progress"]:hover,
.sidebar-link[data-accent="progress"].active {
  color: var(--accent-progress);
}

.sidebar-link[data-accent="settings"]:hover,
.sidebar-link[data-accent="settings"].active {
  color: var(--accent-settings);
}

.sidebar-logout {
  cursor: pointer;
}

.sidebar-logout:hover {
  color: var(--accent-music);
}

/* ---------- Main content ---------- */
.main {
  display: flex;
  flex-direction: column;
  min-width: 0;
  max-height: 100vh;
  overflow-y: auto;
}

.main::-webkit-scrollbar {
  width: 10px;
}

.main::-webkit-scrollbar-track {
  background: var(--bg);
}

.main::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 10px;
}

.main::-webkit-scrollbar-thumb:hover {
  background: var(--muted);
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-lg) var(--space-xl);
  border-bottom: 1px solid var(--border);
}

/* Generic content wrapper — dashboard-content, focus-content, etc all alias this */
.app-content {
  padding: var(--space-xl);
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

.section-heading {
  font-family: var(--font-display);
  font-size: var(--fs-lg);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: var(--space-md);
}

/* ---------- Stat cards ---------- */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
}

.stat-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent-dashboard);
  border-radius: 18px;
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: 4px;
  transition:
    transform var(--transition),
    box-shadow var(--transition);
}

.stat-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}

.stat-icon {
  font-size: 1.5rem;
  margin-bottom: 4px;
}

.stat-value {
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--text);
  line-height: 1;
}

.stat-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.stat-trend {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--accent-dashboard);
}

/* ---------- Generic panel (card container) ---------- */
.panel {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: var(--space-lg);
}

/* ---------- Generic checklist ---------- */
.task-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.task-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--border);
}

.task-item:last-child {
  border-bottom: none;
}

.task-item input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: var(--accent-dashboard);
  flex-shrink: 0;
  cursor: pointer;
}

.task-item label,
.task-item span.task-text {
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  color: var(--text);
  cursor: pointer;
  flex: 1;
}

.task-item input:checked + label,
.task-item input:checked ~ span.task-text {
  color: var(--muted);
  text-decoration: line-through;
}

/* ---------- Motivation card ---------- */
.motivation-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent-primary);
  border-radius: 18px;
  padding: var(--space-xl);
  text-align: center;
}

.motivation-quote {
  font-family: var(--font-display);
  font-size: clamp(1.125rem, 3vw, 1.5rem);
  letter-spacing: 0.01em;
  color: var(--text);
  margin-bottom: var(--space-sm);
}

.motivation-attr {
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  color: var(--muted);
}

/* ---------- Responsive shell ---------- */
@media (max-width: 1000px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 900px) {
  .app-shell {
    grid-template-columns: 1fr;
    grid-template-rows: auto 1fr;
  }

  .sidebar {
    position: sticky;
    top: 0;
    z-index: 100;
    height: auto;
    flex-direction: row;
    align-items: center;
    overflow-x: auto;
    overflow-y: hidden;
    scrollbar-width: none;
    padding: var(--space-sm) var(--space-md);
    gap: var(--space-sm);
    backdrop-filter: blur(12px);
    border-right: none;
    border-bottom: 1px solid var(--border);
  }

  .sidebar::-webkit-scrollbar {
    display: none;
  }

  .sidebar-logo {
    margin-bottom: 0;
    margin-right: var(--space-md);
    white-space: nowrap;
    flex-shrink: 0;
  }

  .sidebar-nav {
    flex-direction: row;
    flex: 1;
    gap: var(--space-xs);
  }

  .sidebar-bottom {
    flex-direction: row;
    border-top: none;
    border-left: 1px solid var(--border);
    padding-top: 0;
    padding-left: var(--space-sm);
    margin-left: auto;
    flex-shrink: 0;
  }

  .sidebar-link {
    white-space: nowrap;
    font-size: 10px;
    padding: 7px 10px;
  }

  .main {
    max-height: none;
    overflow-y: unset;
  }

  .app-content {
    padding: var(--space-md);
  }

  .topbar {
    padding: var(--space-md) var(--space-lg);
  }
}

@media (max-width: 560px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }

  .sidebar-logo {
    font-size: 14px;
  }

  .sidebar-link {
    font-size: 9px;
    padding: 6px 8px;
  }

  .sidebar-dot {
    display: none;
  }

  .app-content {
    padding: var(--space-sm);
  }
}