/* ═══════════════════════════════════════════════════════════
   NAVBAR
   ═══════════════════════════════════════════════════════════ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 60px;
  background: var(--primary);
  border-bottom: 1px solid rgba(255,255,255,0.1);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-lg);
  z-index: 1001;
  box-shadow: 0 4px 20px rgba(0,0,0,0.15);
  transition: transform var(--transition-fast), opacity var(--transition-fast);
  font-family: var(--font-family);
}
.navbar.hidden {
  transform: translateY(-100%);
  opacity: 0;
}
.navbar.visible {
  transform: translateY(0);
  opacity: 1;
}


/* ── Brand ───────────────────────────────────────────────── */
.navbar-left {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}
.navbar-brand {
  color: white;
  text-decoration: none;
  display: flex;
  align-items: center;
  transition: opacity var(--transition-fast);
}
.navbar-brand:hover { opacity: 0.85; }

.brand-text {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-bold);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: white;
}


/* ── Dataset selector (center) ───────────────────────────── */
.navbar-center {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  /* Prevent overlap with left/right sections */
  max-width: min(340px, calc(100vw - 240px));
  width: 100%;
  pointer-events: none;
}
.navbar-center > * {
  pointer-events: auto;
}

.navbar-dataset-selector {
  background: rgba(255,255,255,0.15);
  border: 1px solid rgba(255,255,255,0.25);
  border-radius: var(--border-radius-full);
  padding: 0 40px 0 var(--space-lg);
  color: white;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  cursor: pointer;
  width: 100%;
  height: 38px;
  appearance: none;
  font-family: var(--font-family);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='white' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  transition: background-color var(--transition-fast), border-color var(--transition-fast);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
@media (hover: hover) and (pointer: fine) {
  .navbar-dataset-selector:hover {
    background-color: rgba(255,255,255,0.25);
    border-color: rgba(255,255,255,0.4);
  }
}
.navbar-dataset-selector:focus {
  outline: none;
  background-color: rgba(255,255,255,0.3);
  border-color: rgba(255,255,255,0.5);
}
.navbar-dataset-selector option {
  background: #1e293b;
  color: white;
}


/* ── Right icon buttons ──────────────────────────────────── */
/* Reddit/Facebook style — no pill border, just icon with
   a subtle circular hover highlight behind it */
.navbar-right {
  display: flex;
  align-items: center;
  gap: 2px;
  flex-shrink: 0;
}

.navbar-icon-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  /* Fixed height matches navbar button height — hover bg is full height */
  height: 36px;
  padding: 0 10px;
  background: none;
  border: none;
  color: white;
  cursor: pointer;
  border-radius: var(--border-radius-full);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  font-family: var(--font-family);
  transition: background var(--transition-fast);
  -webkit-tap-highlight-color: transparent;
  white-space: nowrap;
}
@media (hover: hover) and (pointer: fine) {
  .navbar-icon-btn:hover {
    background: rgba(255,255,255,0.15);
  }
}
.navbar-icon-btn:active {
  background: rgba(255,255,255,0.25);
}

/* Label — visible on desktop, hidden on mobile */
.navbar-icon-label {
  font-size: var(--font-size-sm);
}


/* ── Site footer ─────────────────────────────────────────── */
.site-footer {
  text-align: center;
  padding: var(--space-md);
  font-size: var(--font-size-sm);
  color: var(--text-muted);
  border-top: 1px solid var(--border-color);
  margin-top: var(--space-lg);
}


/* ═══════════════════════════════════════════════════════════
   SETTINGS PANEL — slide-in drawer from right
   Same behavior on desktop and mobile.
   ═══════════════════════════════════════════════════════════ */

/* Dim overlay */
.settings-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: var(--color-modal-backdrop);
  z-index: 1500;
  animation: settingsFadeIn 0.15s ease-out;
}
.settings-overlay.open {
  display: block;
}
@keyframes settingsFadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* Panel */
.settings-panel {
  position: fixed;
  top: 0;
  right: 0;
  height: 100%;
  width: 280px;
  background: var(--bg-card);
  box-shadow: var(--shadow-xl);
  z-index: 1501;
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform 0.25s cubic-bezier(0.32, 0.72, 0, 1);
  font-family: var(--font-family);
}
.settings-panel.open {
  transform: translateX(0);
}

/* Header */
.settings-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px var(--space-lg);
  border-bottom: 1px solid var(--border-color);
  flex-shrink: 0;
}
.settings-title {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-bold);
  color: var(--text-main);
  letter-spacing: -0.01em;
}
.settings-close-btn {
  width: 32px;
  height: 32px;
  border: none;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  border-radius: var(--border-radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition-fast), color var(--transition-fast);
}
.settings-close-btn:hover {
  background: var(--border-color);
  color: var(--text-main);
}

/* Body */
.settings-body {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-md) 0;
}

/* Section labels */
.settings-section-label {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: var(--space-sm) var(--space-lg);
  margin-top: var(--space-xs);
}
.settings-section-label:first-child {
  margin-top: 0;
}

/* Setting row */
.settings-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px var(--space-lg);
  gap: var(--space-md);
}
.settings-item-name {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--text-main);
}

/* Logout */
.settings-logout-btn {
  width: 100%;
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 10px var(--space-lg);
  background: none;
  border: none;
  cursor: pointer;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: #e53e3e;
  font-family: var(--font-family);
  transition: background var(--transition-fast);
  text-align: left;
  -webkit-tap-highlight-color: transparent;
}
.settings-logout-btn:hover {
  background: var(--error-bg);
}


/* ═══════════════════════════════════════════════════════════
   MOBILE  (≤ 768px)
   No hamburger — dataset selector stays in navbar center,
   just smaller. Icon labels hidden to save space.
   ═══════════════════════════════════════════════════════════ */
@media (max-width: 768px) {
  .navbar {
    padding: 0 var(--space-md);
  }

  /* Tighter selector on mobile — fits between brand and icons */
  .navbar-center {
    max-width: min(200px, calc(100vw - 200px));
  }

  /* Hide text labels on icon buttons — icon only on mobile */
  .navbar-icon-label {
    display: none;
  }

  /* Slightly larger tap target on mobile */
  .navbar-icon-btn {
    padding: 8px;
  }

  /* Full-width panel on small screens */
  .settings-panel {
    width: min(300px, 85vw);
  }
}

/* ═══════════════════════════════════════════════════════════
   DARK MODE overrides for navbar
   ═══════════════════════════════════════════════════════════ */
[data-theme="dark"] .navbar {
  background: var(--bg-body);
  border-bottom-color: rgba(255,255,255,0.06);
}

[data-theme="dark"] .settings-panel {
  background: var(--bg-card);
}