/* =====================================================
   Don't Touch My Birdie! — Global Styles
   Fonts: Bricolage Grotesque (headings) + DM Sans (body)
   ===================================================== */

@import url('https://fonts.googleapis.com/css2?family=Bricolage+Grotesque:opsz,wght@12..96,400;12..96,700;12..96,800&family=DM+Sans:ital,opsz,wght@0,9..40,400;0,9..40,500;0,9..40,700;1,9..40,400&display=swap');

/* ─── CSS Variables ─── */
:root {
  --forest: #2E7D32;
  --forest-light: #43A047;
  --forest-dark: #1B5E20;
  --sky: #4FC3F7;
  --sky-dark: #0288D1;
  --gold: #FFD54F;
  --gold-dark: #F9A825;
  --danger: #EF5350;
  --extinct: #424242;
  --rare: #FFA726;

  --bg: #ffffff;
  --bg-2: #f7f8fa;
  --bg-3: #f0f2f5;
  --surface: #ffffff;
  --surface-2: #f7f8fa;
  --border: #e5e7eb;
  --text: #1f2328;
  --text-muted: #57606a;
  --text-light: #8b949e;
  --accent: #2E7D32;
  --accent-hover: #1B5E20;

  --nav-bg: rgba(255,255,255,0.95);
  --card-bg: #ffffff;
  --glass-bg: rgba(255,255,255,0.8);
  --glass-border: rgba(255,255,255,0.5);
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.1), 0 2px 4px rgba(0,0,0,0.06);
  --shadow-lg: 0 12px 32px rgba(0,0,0,0.12), 0 4px 8px rgba(0,0,0,0.06);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --transition: 0.2s ease;
}

/* ─── Dark Mode ─── */
[data-theme="dark"] {
  --bg: #0d1117;
  --bg-2: #161b22;
  --bg-3: #1c2128;
  --surface: #1c2128;
  --surface-2: #21262d;
  --border: #30363d;
  --text: #e6edf3;
  --text-muted: #8b949e;
  --text-light: #6e7681;
  --accent: #43A047;
  --accent-hover: #4CAF50;
  --nav-bg: rgba(13,17,23,0.95);
  --card-bg: #1c2128;
  --glass-bg: rgba(28,33,40,0.85);
  --glass-border: rgba(255,255,255,0.08);
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.3), 0 1px 2px rgba(0,0,0,0.2);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.4), 0 2px 4px rgba(0,0,0,0.2);
  --shadow-lg: 0 12px 32px rgba(0,0,0,0.5), 0 4px 8px rgba(0,0,0,0.3);
}

/* ─── Reset & Base ─── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: 'DM Sans', -apple-system, system-ui, sans-serif;
  font-size: 15px;
  font-weight: 400;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  transition: background 0.3s ease, color 0.3s ease;
  overflow-x: hidden;
}

/* ─── Typography ─── */
h1, h2, h3, h4, h5, h6,
.page-title, .section-title, .card-title, .modal-title,
.bird-name, .achievement-title {
  font-family: 'Bricolage Grotesque', -apple-system, system-ui, sans-serif;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

h1, .h1 { font-size: clamp(2rem, 5vw, 3.5rem); font-weight: 800; }
h2, .h2 { font-size: clamp(1.5rem, 3vw, 2.25rem); font-weight: 700; }
h3, .h3 { font-size: clamp(1.1rem, 2vw, 1.5rem); font-weight: 700; }
h4 { font-size: 1.1rem; font-weight: 700; }
h5 { font-size: 0.95rem; font-weight: 700; }

p { line-height: 1.6; }
a { color: var(--accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--accent-hover); }
img { max-width: 100%; height: auto; display: block; }
button { cursor: pointer; font-family: inherit; }
input, select, textarea { font-family: inherit; }

/* ─── Navigation ─── */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 64px;
  background: var(--nav-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  z-index: 1000;
  display: flex;
  align-items: center;
  padding: 0 24px;
  gap: 16px;
  transition: background 0.3s ease, border-color 0.3s ease;
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  flex-shrink: 0;
}

.navbar-logo {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--forest);
}

.navbar-brand-text {
  font-family: 'Bricolage Grotesque', sans-serif;
  font-size: 1rem;
  font-weight: 800;
  color: var(--forest);
  white-space: nowrap;
}

[data-theme="dark"] .navbar-brand-text { color: #4CAF50; }

.navbar-nav {
  display: flex;
  align-items: center;
  gap: 2px;
  list-style: none;
  flex: 1;
  justify-content: center;
  flex-wrap: wrap;
}

.navbar-nav a {
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-muted);
  text-decoration: none;
  white-space: nowrap;
  transition: all var(--transition);
}

.navbar-nav a:hover, .navbar-nav a.active {
  color: var(--forest);
  background: rgba(46,125,50,0.08);
}

[data-theme="dark"] .navbar-nav a:hover,
[data-theme="dark"] .navbar-nav a.active {
  color: #4CAF50;
  background: rgba(76,175,80,0.12);
}

.navbar-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.btn-icon {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  transition: all var(--transition);
}
.btn-icon:hover { background: var(--bg-2); color: var(--text); }

/* ─── Buttons ─── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 20px;
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  font-weight: 700;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: all var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: var(--forest);
  color: white;
}
.btn-primary:hover { background: var(--forest-dark); color: white; transform: translateY(-1px); box-shadow: var(--shadow-md); }

.btn-secondary {
  background: transparent;
  color: var(--forest);
  border: 1.5px solid var(--forest);
}
.btn-secondary:hover { background: var(--forest); color: white; transform: translateY(-1px); }

.btn-sky {
  background: var(--sky-dark);
  color: white;
}
.btn-sky:hover { background: #0277BD; color: white; transform: translateY(-1px); }

.btn-gold {
  background: var(--gold);
  color: #1f2328;
}
.btn-gold:hover { background: var(--gold-dark); transform: translateY(-1px); }

.btn-sm { padding: 6px 14px; font-size: 0.8rem; border-radius: var(--radius-sm); }
.btn-lg { padding: 14px 28px; font-size: 1rem; border-radius: var(--radius-lg); }

/* ─── Layout ─── */
.page-wrapper {
  min-height: 100vh;
  padding-top: 64px;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section { padding: 64px 0; }
.section-sm { padding: 40px 0; }

/* ─── Cards ─── */
.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition);
  box-shadow: var(--shadow-sm);
}
.card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }

.card-glass {
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
}

/* ─── Status Badges ─── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 10px;
  border-radius: 100px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.badge-common { background: rgba(76,175,80,0.15); color: #2E7D32; border: 1px solid rgba(76,175,80,0.3); }
.badge-rare { background: rgba(255,167,38,0.15); color: #E65100; border: 1px solid rgba(255,167,38,0.3); }
.badge-endangered { background: rgba(239,83,80,0.15); color: #c62828; border: 1px solid rgba(239,83,80,0.3); }
.badge-extinct { background: rgba(66,66,66,0.15); color: #424242; border: 1px solid rgba(66,66,66,0.3); }

[data-theme="dark"] .badge-common { background: rgba(76,175,80,0.2); color: #81C784; border-color: rgba(76,175,80,0.4); }
[data-theme="dark"] .badge-rare { background: rgba(255,167,38,0.2); color: #FFB74D; border-color: rgba(255,167,38,0.4); }
[data-theme="dark"] .badge-endangered { background: rgba(239,83,80,0.2); color: #EF9A9A; border-color: rgba(239,83,80,0.4); }
[data-theme="dark"] .badge-extinct { background: rgba(120,120,120,0.2); color: #9E9E9E; border-color: rgba(120,120,120,0.4); }

/* ─── XP Bar ─── */
.xp-bar-track {
  height: 8px;
  background: var(--bg-3);
  border-radius: 100px;
  overflow: hidden;
}
.xp-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--forest), #66BB6A);
  border-radius: 100px;
  transition: width 0.8s cubic-bezier(0.23,1,0.32,1);
}

/* ─── Stat Cards ─── */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
}
.stat-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.stat-number {
  font-family: 'Bricolage Grotesque', sans-serif;
  font-size: 2rem;
  font-weight: 800;
  color: var(--forest);
  line-height: 1;
}
[data-theme="dark"] .stat-number { color: #66BB6A; }
.stat-label { font-size: 0.8rem; font-weight: 500; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.04em; }

/* ─── Bird Card (BirdDex) ─── */
.bird-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 20px;
}

.bird-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
  transition: all 0.25s ease;
  box-shadow: var(--shadow-sm);
  position: relative;
}

.bird-card:hover {
  transform: translateY(-4px) scale(1.01);
  box-shadow: var(--shadow-lg);
  border-color: var(--forest);
}

.bird-card.undiscovered {
  filter: grayscale(1) brightness(0.7);
}

.bird-card.undiscovered:hover {
  filter: grayscale(0.5) brightness(0.9);
}

.bird-card-image {
  width: 100%;
  height: 160px;
  object-fit: cover;
  background: var(--bg-3);
}

.bird-card-body {
  padding: 14px;
}

.bird-card-name {
  font-family: 'Bricolage Grotesque', sans-serif;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 3px;
  line-height: 1.2;
}

.bird-card-sci {
  font-size: 0.75rem;
  font-style: italic;
  color: var(--text-muted);
  margin-bottom: 10px;
}

.bird-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 10px;
}

.bird-card-num {
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--text-light);
  font-family: 'Bricolage Grotesque', sans-serif;
}

.bird-card-discover {
  position: absolute;
  top: 10px;
  right: 10px;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(0,0,0,0.5);
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  color: white;
  cursor: pointer;
  transition: all var(--transition);
}

.bird-card.discovered .bird-card-discover {
  background: var(--forest);
}

/* ─── Filter Bar ─── */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.filter-btn {
  padding: 6px 14px;
  border-radius: 100px;
  border: 1.5px solid var(--border);
  background: transparent;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-muted);
  cursor: pointer;
  transition: all var(--transition);
}

.filter-btn:hover, .filter-btn.active {
  border-color: var(--forest);
  color: var(--forest);
  background: rgba(46,125,50,0.08);
}

[data-theme="dark"] .filter-btn:hover,
[data-theme="dark"] .filter-btn.active {
  border-color: #4CAF50;
  color: #4CAF50;
  background: rgba(76,175,80,0.12);
}

/* ─── Search Bar ─── */
.search-bar {
  position: relative;
  max-width: 360px;
}

.search-input {
  width: 100%;
  padding: 10px 16px 10px 40px;
  border-radius: 100px;
  border: 1.5px solid var(--border);
  background: var(--surface);
  color: var(--text);
  font-size: 0.9rem;
  outline: none;
  transition: all var(--transition);
}

.search-input::placeholder { color: var(--text-light); }
.search-input:focus { border-color: var(--forest); box-shadow: 0 0 0 3px rgba(46,125,50,0.1); }

.search-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 0.9rem;
  pointer-events: none;
}

/* ─── Hero Section ─── */
.hero {
  background: linear-gradient(135deg, #0d2e0e 0%, #1B5E20 40%, #1565C0 100%);
  position: relative;
  overflow: hidden;
  padding: 80px 0 60px;
}

[data-theme="dark"] .hero {
  background: linear-gradient(135deg, #040f05 0%, #0d1f0e 40%, #0a1628 100%);
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 70% 50%, rgba(79,195,247,0.1) 0%, transparent 70%);
  pointer-events: none;
}

.hero-content { position: relative; z-index: 1; }
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 100px;
  padding: 6px 16px;
  font-size: 0.8rem;
  font-weight: 500;
  color: rgba(255,255,255,0.85);
  margin-bottom: 20px;
}

.hero-title { color: white; margin-bottom: 16px; }
.hero-title span { color: var(--gold); }
.hero-subtitle { font-size: 1.1rem; color: rgba(255,255,255,0.75); max-width: 520px; margin-bottom: 32px; line-height: 1.7; }

.hero-cta { display: flex; gap: 12px; flex-wrap: wrap; }

.hero-stats {
  display: flex;
  gap: 32px;
  margin-top: 40px;
  flex-wrap: wrap;
}
.hero-stat { color: white; }
.hero-stat-num {
  font-family: 'Bricolage Grotesque', sans-serif;
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--gold);
  line-height: 1;
}
.hero-stat-label { font-size: 0.78rem; color: rgba(255,255,255,0.65); margin-top: 4px; }

/* ─── Achievement Badges ─── */
.achievement-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}

.achievement-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  display: flex;
  gap: 16px;
  align-items: flex-start;
  transition: all var(--transition);
}

.achievement-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }

.achievement-card.locked { opacity: 0.5; }

.achievement-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--forest), var(--sky));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  flex-shrink: 0;
}

.achievement-card.locked .achievement-icon {
  background: var(--bg-3);
}

.achievement-body { flex: 1; min-width: 0; }
.achievement-title { font-size: 0.95rem; font-weight: 700; margin-bottom: 4px; }
.achievement-desc { font-size: 0.8rem; color: var(--text-muted); margin-bottom: 8px; }
.achievement-progress-label { font-size: 0.75rem; color: var(--text-muted); margin-bottom: 4px; }

/* ─── Map Page ─── */
#map-container {
  height: calc(100vh - 64px);
  width: 100%;
}

#birdie-map {
  height: 100%;
  width: 100%;
}

.map-sidebar {
  position: absolute;
  top: 80px;
  left: 16px;
  width: 300px;
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 16px;
  z-index: 500;
  max-height: calc(100vh - 120px);
  overflow-y: auto;
}

.map-region-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 12px;
  margin-bottom: 10px;
}

.map-region-name {
  font-family: 'Bricolage Grotesque', sans-serif;
  font-size: 0.9rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.map-completion {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: 4px;
}

/* ─── Identify Page ─── */
.upload-zone {
  border: 2px dashed var(--border);
  border-radius: var(--radius-xl);
  padding: 48px 32px;
  text-align: center;
  cursor: pointer;
  transition: all var(--transition);
  background: var(--bg-2);
}

.upload-zone:hover, .upload-zone.drag-over {
  border-color: var(--forest);
  background: rgba(46,125,50,0.05);
}

.upload-zone-icon { font-size: 3rem; margin-bottom: 16px; color: var(--text-muted); }
.upload-zone-title { font-family: 'Bricolage Grotesque', sans-serif; font-size: 1.1rem; font-weight: 700; margin-bottom: 8px; }
.upload-zone-hint { font-size: 0.85rem; color: var(--text-muted); }

.identify-result {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  overflow: hidden;
}

.result-image-wrap {
  position: relative;
  height: 280px;
  overflow: hidden;
}

.result-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.result-confidence {
  position: absolute;
  top: 16px;
  right: 16px;
  background: var(--forest);
  color: white;
  padding: 6px 14px;
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 700;
}

.result-body { padding: 24px; }

/* ─── Auth Forms ─── */
.auth-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
  padding: 80px 24px 40px;
}

.auth-card {
  width: 100%;
  max-width: 420px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 36px;
  box-shadow: var(--shadow-lg);
}

.auth-logo-wrap {
  text-align: center;
  margin-bottom: 24px;
}

.auth-logo {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  border: 3px solid var(--forest);
  margin: 0 auto 12px;
}

.auth-title {
  font-size: 1.5rem;
  font-weight: 800;
  text-align: center;
  margin-bottom: 6px;
}

.auth-subtitle {
  font-size: 0.875rem;
  color: var(--text-muted);
  text-align: center;
  margin-bottom: 28px;
}

.form-group { margin-bottom: 16px; }
.form-label { display: block; font-size: 0.85rem; font-weight: 500; margin-bottom: 6px; color: var(--text); }

.form-control {
  width: 100%;
  padding: 10px 14px;
  border-radius: var(--radius-md);
  border: 1.5px solid var(--border);
  background: var(--surface);
  color: var(--text);
  font-size: 0.9rem;
  outline: none;
  transition: all var(--transition);
}

.form-control::placeholder { color: var(--text-light); }
.form-control:focus { border-color: var(--forest); box-shadow: 0 0 0 3px rgba(46,125,50,0.1); }

.form-error { color: var(--danger); font-size: 0.8rem; margin-top: 5px; }

.auth-divider {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text-light);
  font-size: 0.8rem;
  margin: 20px 0;
}
.auth-divider::before, .auth-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

/* ─── Profile Page ─── */
.profile-hero {
  background: linear-gradient(135deg, #0d2e0e 0%, #1B5E20 100%);
  padding: 60px 0;
  position: relative;
  overflow: hidden;
}

.profile-bird-image {
  width: 100%;
  max-height: 460px;
  object-fit: cover;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
}

.profile-info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
  margin-top: 24px;
}

.profile-info-card {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 14px;
}

.profile-info-label {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.profile-info-value {
  font-family: 'Bricolage Grotesque', sans-serif;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text);
}

/* ─── Report Form ─── */
.report-form {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 32px;
  max-width: 640px;
  margin: 0 auto;
}

/* ─── Toast Notifications ─── */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toast {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 280px;
  animation: slideIn 0.3s ease;
  font-size: 0.875rem;
}

.toast-success { border-left: 3px solid var(--forest); }
.toast-warning { border-left: 3px solid var(--gold-dark); }
.toast-error { border-left: 3px solid var(--danger); }
.toast-xp { border-left: 3px solid var(--sky); }

@keyframes slideIn {
  from { opacity: 0; transform: translateX(20px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes fadeOut {
  from { opacity: 1; }
  to { opacity: 0; transform: translateX(20px); }
}

.toast.removing { animation: fadeOut 0.3s ease forwards; }

/* ─── XP Gain Animation ─── */
.xp-popup {
  position: fixed;
  font-family: 'Bricolage Grotesque', sans-serif;
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--gold);
  z-index: 9999;
  pointer-events: none;
  text-shadow: 0 2px 4px rgba(0,0,0,0.3);
  animation: xpFloat 1.5s ease forwards;
}

@keyframes xpFloat {
  0% { opacity: 1; transform: translateY(0) scale(1); }
  50% { opacity: 1; transform: translateY(-30px) scale(1.2); }
  100% { opacity: 0; transform: translateY(-60px) scale(0.9); }
}

/* ─── Level Badge ─── */
.level-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, var(--forest), var(--forest-light));
  color: white;
  padding: 6px 14px;
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 700;
}

/* ─── Section Headers ─── */
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 32px;
  flex-wrap: wrap;
  gap: 12px;
}

.section-title-wrap { display: flex; flex-direction: column; gap: 4px; }
.section-eyebrow {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--forest);
  display: flex;
  align-items: center;
  gap: 6px;
}
[data-theme="dark"] .section-eyebrow { color: #66BB6A; }

/* ─── Mobile Hamburger ─── */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all 0.3s;
}

.mobile-menu {
  display: none;
  position: fixed;
  top: 64px;
  left: 0;
  right: 0;
  background: var(--nav-bg);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 12px 24px 16px;
  z-index: 999;
  flex-direction: column;
  gap: 2px;
}

.mobile-menu.open { display: flex; }

.mobile-menu a {
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-muted);
  text-decoration: none;
  transition: all var(--transition);
}

.mobile-menu a:hover, .mobile-menu a.active {
  color: var(--forest);
  background: rgba(46,125,50,0.08);
}

/* ─── Responsive ─── */
@media (max-width: 768px) {
  .navbar-nav { display: none; }
  .hamburger { display: flex; }
  .section { padding: 40px 0; }
  .hero { padding: 60px 0 40px; }
  .bird-grid { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 12px; }
  .achievement-grid { grid-template-columns: 1fr; }
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-stats { gap: 20px; }
  .map-sidebar { width: 260px; }
  .auth-card { padding: 24px; }
  .report-form { padding: 20px; }
  .container { padding: 0 16px; }
}

@media (max-width: 480px) {
  .bird-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-cta { flex-direction: column; }
  .btn-lg { width: 100%; }
  .map-sidebar { left: 8px; width: calc(100vw - 16px); top: auto; bottom: 80px; max-height: 220px; }
}

/* ─── Misc Utilities ─── */
.text-muted { color: var(--text-muted); }
.text-sm { font-size: 0.85rem; }
.text-xs { font-size: 0.75rem; }
.font-bold { font-weight: 700; }
.font-heading { font-family: 'Bricolage Grotesque', sans-serif; }
.d-flex { display: flex; }
.align-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-sm { gap: 8px; }
.gap-md { gap: 16px; }
.mt-sm { margin-top: 8px; }
.mt-md { margin-top: 16px; }
.mt-lg { margin-top: 32px; }
.mb-sm { margin-bottom: 8px; }
.mb-md { margin-bottom: 16px; }
.mb-lg { margin-bottom: 32px; }

.divider {
  height: 1px;
  background: var(--border);
  margin: 24px 0;
}

.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-muted);
}
.empty-state-icon { font-size: 3rem; margin-bottom: 16px; }
.empty-state-title { font-family: 'Bricolage Grotesque', sans-serif; font-size: 1.2rem; font-weight: 700; margin-bottom: 8px; color: var(--text); }

/* ─── Footer ─── */
.footer {
  background: var(--bg-2);
  border-top: 1px solid var(--border);
  padding: 48px 0 24px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}

.footer-logo {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--forest);
}

.footer-tagline {
  font-size: 0.85rem;
  color: var(--text-muted);
  max-width: 300px;
  line-height: 1.5;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-links a {
  font-size: 0.85rem;
  color: var(--text-muted);
  text-decoration: none;
  transition: color var(--transition);
}

.footer-links a:hover { color: var(--forest); }

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-heading {
  font-family: 'Bricolage Grotesque', sans-serif;
  font-size: 0.85rem;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--text);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--text-muted);
  flex-wrap: wrap;
  gap: 8px;
}

@media (max-width: 768px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 24px; }
}
@media (max-width: 480px) {
  .footer-grid { grid-template-columns: 1fr; }
}

/* ─── Loading Spinner ─── */
.spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--border);
  border-top-color: var(--forest);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: 40px auto;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ─── Pulse animation for sighting badge ─── */
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}
.pulse { animation: pulse 2s infinite; }

/* ─── Scrollbar ─── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg-2); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-light); }

/* ─── Leaflet Dark Mode Override ─── */
[data-theme="dark"] .leaflet-tile { filter: invert(100%) hue-rotate(180deg) brightness(0.8) contrast(0.9); }
[data-theme="dark"] .leaflet-container { background: #0d1117; }