/* JediTrack Layout — Mobile-first responsive */

/* ── App Shell ──────────────────────────────────────────────── */

.app {
  display: flex;
  flex-direction: column;
  min-height: 100dvh;
}

.app-content {
  flex: 1;
  padding: var(--space-5);
  padding-left: calc(var(--space-5) + env(safe-area-inset-left, 0));
  padding-right: calc(var(--space-5) + env(safe-area-inset-right, 0));
  padding-bottom: calc(var(--space-5) + 80px); /* space for tab bar */
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}

.page-header {
  padding: var(--space-4) 0 var(--space-6);
}
.page-header h1 {
  font-size: var(--text-3xl);
}

.page { display: none; }
.page.active { display: block; }

/* ── Tab Bar ────────────────────────────────────────────────── */

.tab-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: stretch;
  background: var(--tab-bar-bg);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-top: 0.5px solid var(--tab-bar-border);
  z-index: var(--z-tab-bar);
  padding-bottom: env(safe-area-inset-bottom, 0);
  height: calc(50px + env(safe-area-inset-bottom, 0));
}

.tab-bar-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  padding: var(--space-1) 0;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-text-tertiary);
  font-family: var(--font-body);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.01em;
  transition: color var(--duration-fast) var(--ease-out);
  min-height: 44px;
  position: relative;
  -webkit-tap-highlight-color: transparent;
}

.tab-bar-item.active {
  color: var(--color-accent);
}

.tab-bar-item svg {
  width: 24px;
  height: 24px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.tab-bar-item.active svg {
  stroke-width: 2;
}

.tab-badge {
  position: absolute;
  top: 6px;
  right: calc(50% - 16px);
  width: 8px;
  height: 8px;
  background: var(--color-status-danger);
  border-radius: 50%;
  pointer-events: none;
}

/* ── Login Layout ───────────────────────────────────────────── */

.login-page {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100dvh;
  padding: var(--space-6);
  background: var(--color-bg);
}

.login-card {
  width: 100%;
  max-width: 380px;
  text-align: center;
}

.login-brand {
  margin-bottom: var(--space-10);
}

.login-brand-name {
  font-family: var(--font-display);
  font-size: var(--text-4xl);
  font-weight: 700;
  letter-spacing: var(--tracking-tight);
  color: var(--color-text-primary);
}

.login-brand-sub {
  font-size: var(--text-sm);
  color: var(--color-text-tertiary);
  margin-top: var(--space-2);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
}

.login-form {
  text-align: left;
}

.login-error {
  background: var(--color-status-danger-bg);
  color: var(--color-status-danger);
  font-size: var(--text-sm);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-4);
  display: none;
}
.login-error.visible { display: block; }

/* ── Grid helpers ───────────────────────────────────────────── */

.grid {
  display: grid;
  gap: var(--space-4);
}
.grid-2 { grid-template-columns: 1fr; }
.grid-3 { grid-template-columns: 1fr; }

.stack {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.row {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.row-between {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* ── Responsive ─────────────────────────────────────────────── */

/* Tablet (768px+) */
@media (min-width: 768px) {
  .app-content {
    padding: var(--space-6);
    padding-bottom: calc(var(--space-6) + 80px);
  }
  .grid-2 { grid-template-columns: 1fr 1fr; }
  .grid-3 { grid-template-columns: 1fr 1fr 1fr; }
}

/* Desktop (1024px+) */
@media (min-width: 1024px) {
  .tab-bar {
    position: fixed;
    top: 0;
    bottom: auto;
    left: 0;
    right: auto;
    flex-direction: column;
    width: 72px;
    height: 100dvh;
    border-top: none;
    border-right: 0.5px solid var(--tab-bar-border);
    padding-top: var(--space-6);
    padding-bottom: var(--space-6);
  }
  .tab-bar-item {
    padding: var(--space-3) 0;
  }
  .app-content {
    margin-left: 72px;
    padding-bottom: var(--space-6);
  }
}

/* ── Animation ──────────────────────────────────────────────── */

@keyframes fade-in {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.animate-in {
  animation: fade-in var(--duration-normal) var(--ease-out) both;
}

@keyframes skeleton-shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}