/* WalkQuest Week 2 — Dark Glassmorphism Theme */
:root {
    --bg-primary: #0a0a1a;
    --bg-secondary: #111128;
    --bg-glass: rgba(255,255,255,0.06);
    --bg-glass-hover: rgba(255,255,255,0.1);
    --border-glass: rgba(255,255,255,0.12);
    --text-primary: #ffffff;
    --text-secondary: rgba(255,255,255,0.7);
    --text-muted: rgba(255,255,255,0.4);
    --accent: #6c5ce7;
    --accent-glow: rgba(108,92,231,0.4);
    --success: #00cec9;
    --warning: #fdcb6e;
    --danger: #ff6b6b;
    --easy: #00b894;
    --medium: #fdcb6e;
    --hard: #e17055;
    --xp-color: #ffd700;
    --radius: 16px;
    --radius-sm: 10px;
    --shadow: 0 8px 32px rgba(0,0,0,0.4);
    --font-th: 'Noto Sans Thai', sans-serif;
    --font-en: 'Inter', sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html, body {
    height: 100%;
    overflow: hidden;
    font-family: var(--font-th), var(--font-en);
    background: var(--bg-primary);
    color: var(--text-primary);
    -webkit-tap-highlight-color: transparent;
    user-select: none;
}

.hidden { display: none !important; }

/* Splash Screen */
.splash {
    position: fixed; inset: 0; z-index: 9999;
    display: flex; align-items: center; justify-content: center;
    background: linear-gradient(135deg, #0a0a1a 0%, #1a1a3e 50%, #0a0a1a 100%);
    animation: splashFade 0.5s ease 2s forwards;
}
.splash-content { text-align: center; }
.splash-icon { font-size: 64px; animation: bounce 1s ease infinite; }
.splash h1 { font-size: 32px; margin: 16px 0 8px; background: linear-gradient(135deg, #6c5ce7, #a29bfe); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.splash p { color: var(--text-secondary); font-size: 14px; }
.loading-bar { width: 200px; height: 3px; background: var(--bg-glass); border-radius: 2px; margin: 24px auto 0; overflow: hidden; }
.loading-fill { width: 0%; height: 100%; background: linear-gradient(90deg, var(--accent), var(--success)); animation: loadProgress 1.8s ease forwards; }

@keyframes splashFade { to { opacity: 0; pointer-events: none; } }
@keyframes loadProgress { to { width: 100%; } }
@keyframes bounce { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }

/* App Container */
.app { display: flex; flex-direction: column; height: 100dvh; background: var(--bg-primary); }
.app.hidden { display: none; }

/* Top Bar */
.top-bar {
    display: flex; align-items: center; justify-content: space-between;
    padding: 8px 16px; height: 56px;
    background: rgba(10,10,26,0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-glass);
    z-index: 100;
    padding-top: env(safe-area-inset-top, 8px);
}
.top-bar-left { display: flex; align-items: center; gap: 8px; }
.user-level { font-weight: 700; font-size: 14px; color: var(--xp-color); }
.xp-bar-mini { width: 60px; height: 4px; background: var(--bg-glass); border-radius: 2px; overflow: hidden; }
.xp-fill-mini { height: 100%; background: linear-gradient(90deg, var(--xp-color), #ff9f43); transition: width 0.5s ease; }
.top-bar-center { font-weight: 600; font-size: 16px; }
.top-bar-right { display: flex; gap: 4px; }
.icon-btn { background: none; border: none; font-size: 20px; cursor: pointer; padding: 4px; }

/* Views */
.view { display: none; flex: 1; overflow-y: auto; position: relative; }
.view.active { display: flex; flex-direction: column; }

/* Map */
#map-container { flex: 1; width: 100%; min-height: 0; }
.map-controls {
    position: absolute; right: 12px; top: 12px;
    display: flex; flex-direction: column; gap: 8px; z-index: 500;
}
.map-btn {
    width: 44px; height: 44px; border-radius: 12px;
    background: rgba(10,10,26,0.85); backdrop-filter: blur(10px);
    border: 1px solid var(--border-glass);
    font-size: 20px; cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    box-shadow: var(--shadow);
    transition: transform 0.2s;
}
.map-btn:active { transform: scale(0.9); }

/* Challenge Drawer */
.challenge-drawer {
    position: absolute; bottom: 0; left: 0; right: 0;
    max-height: 45vh; min-height: 120px;
    background: rgba(10,10,26,0.95); backdrop-filter: blur(20px);
    border-top-left-radius: 20px; border-top-right-radius: 20px;
    border-top: 1px solid var(--border-glass);
    z-index: 600; transition: transform 0.3s ease;
    display: flex; flex-direction: column;
    padding: 0 16px 16px;
}
.challenge-drawer.collapsed { transform: translateY(calc(100% - 60px)); }
.drawer-handle {
    width: 40px; height: 4px; background: var(--text-muted);
    border-radius: 2px; margin: 10px auto; cursor: pointer; flex-shrink: 0;
}
.drawer-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 8px; flex-shrink: 0; }
.drawer-header h3 { font-size: 16px; font-weight: 600; }
.badge-count {
    background: var(--accent); color: white; border-radius: 12px;
    padding: 2px 10px; font-size: 12px; font-weight: 600;
}

/* Challenge List */
.challenge-list { overflow-y: auto; flex: 1; -webkit-overflow-scrolling: touch; }
.challenge-card {
    display: flex; align-items: center; gap: 12px;
    padding: 12px; margin-bottom: 8px;
    background: var(--bg-glass); border: 1px solid var(--border-glass);
    border-radius: var(--radius-sm); cursor: pointer;
    transition: background 0.2s;
}
.challenge-card:active { background: var(--bg-glass-hover); }
.challenge-card-icon { font-size: 28px; flex-shrink: 0; }
.challenge-card-info { flex: 1; min-width: 0; }
.challenge-card-name { font-size: 14px; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.challenge-card-meta { font-size: 12px; color: var(--text-secondary); margin-top: 2px; display: flex; gap: 8px; flex-wrap: wrap; }
.challenge-card-dist { font-size: 13px; font-weight: 600; color: var(--accent); flex-shrink: 0; }

/* Difficulty badges */
.difficulty-badge { padding: 2px 8px; border-radius: 6px; font-size: 11px; font-weight: 600; }
.difficulty-badge.easy { background: rgba(0,184,148,0.2); color: var(--easy); }
.difficulty-badge.medium { background: rgba(253,203,110,0.2); color: var(--medium); }
.difficulty-badge.hard { background: rgba(225,112,85,0.2); color: var(--hard); }

/* Geofence Alert */
.geofence-alert {
    position: absolute; top: 12px; left: 12px; right: 60px;
    z-index: 700; animation: slideDown 0.4s ease;
}
.geofence-alert-content {
    display: flex; align-items: center; gap: 10px;
    padding: 12px 16px; border-radius: var(--radius);
    background: rgba(0,206,201,0.15); backdrop-filter: blur(15px);
    border: 1px solid rgba(0,206,201,0.3);
}
.pulse-dot {
    width: 10px; height: 10px; border-radius: 50%;
    background: var(--success); flex-shrink: 0;
    animation: pulse 1.5s infinite;
}
@keyframes pulse { 0%,100% { box-shadow: 0 0 0 0 rgba(0,206,201,0.5); } 50% { box-shadow: 0 0 0 8px rgba(0,206,201,0); } }
@keyframes slideDown { from { transform: translateY(-20px); opacity: 0; } }
#geofence-alert-text { flex: 1; font-size: 13px; font-weight: 600; }
.btn-glow {
    background: linear-gradient(135deg, var(--accent), #a29bfe);
    color: white; border: none; padding: 8px 16px; border-radius: 8px;
    font-weight: 600; font-size: 13px; cursor: pointer;
    box-shadow: 0 0 20px var(--accent-glow);
    transition: transform 0.2s;
}
.btn-glow:active { transform: scale(0.95); }

/* Challenge Detail */
.challenge-detail-card {
    padding: 20px; flex: 1; overflow-y: auto;
    background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
}
.back-btn {
    background: var(--bg-glass); border: 1px solid var(--border-glass);
    color: var(--text-primary); padding: 8px 16px; border-radius: 8px;
    font-size: 14px; cursor: pointer; margin-bottom: 16px;
}
.challenge-detail-header { text-align: center; margin-bottom: 24px; }
.challenge-icon-large { font-size: 56px; margin-bottom: 12px; display: block; }
.challenge-detail-header h2 { font-size: 22px; margin-bottom: 12px; }
.challenge-meta-row { display: flex; justify-content: center; gap: 12px; flex-wrap: wrap; }
.meta-item { font-size: 13px; color: var(--text-secondary); }

.challenge-detail-body { max-width: 600px; margin: 0 auto; }
.challenge-desc { color: var(--text-secondary); line-height: 1.6; margin-bottom: 20px; font-size: 14px; }
.reward-section { background: var(--bg-glass); border: 1px solid var(--border-glass); border-radius: var(--radius); padding: 16px; margin-bottom: 20px; }
.reward-section h4 { margin-bottom: 12px; font-size: 14px; }
.reward-items { display: flex; gap: 24px; }
.reward-item { text-align: center; }
.reward-value { font-size: 24px; font-weight: 700; display: block; }
.reward-label { font-size: 12px; color: var(--text-secondary); }
.reward-item:first-child .reward-value { color: var(--xp-color); }

.map-preview { height: 180px; border-radius: var(--radius-sm); overflow: hidden; margin-bottom: 20px; border: 1px solid var(--border-glass); }

.challenge-requirements { margin-bottom: 20px; }
.challenge-requirements h4 { margin-bottom: 8px; font-size: 14px; }
.challenge-requirements ul { list-style: none; }
.challenge-requirements li { padding: 6px 0; font-size: 13px; color: var(--text-secondary); }
.challenge-requirements li::before { content: '✓ '; color: var(--success); }

.challenge-detail-actions { padding: 16px 0; }
.btn-primary {
    width: 100%; padding: 16px; border: none; border-radius: var(--radius-sm);
    background: linear-gradient(135deg, var(--accent), #a29bfe);
    color: white; font-size: 16px; font-weight: 700; cursor: pointer;
    box-shadow: 0 4px 20px var(--accent-glow);
    transition: transform 0.2s;
    font-family: var(--font-th);
}
.btn-primary:active { transform: scale(0.97); }
.btn-secondary {
    width: 100%; padding: 14px; border: 1px solid var(--border-glass);
    border-radius: var(--radius-sm); background: var(--bg-glass);
    color: var(--text-secondary); font-size: 14px; cursor: pointer;
    margin-top: 8px; font-family: var(--font-th);
}
.btn-danger {
    width: 100%; padding: 14px; border: none; border-radius: var(--radius-sm);
    background: rgba(255,107,107,0.2); color: var(--danger);
    font-size: 14px; font-weight: 600; cursor: pointer;
    font-family: var(--font-th);
}
.btn-text {
    background: none; border: none; color: var(--text-muted);
    font-size: 13px; cursor: pointer; padding: 12px; display: block;
    text-align: center; width: 100%; font-family: var(--font-th);
}

/* Tracking View */
.tracking-overlay { flex: 1; display: flex; flex-direction: column; background: var(--bg-primary); }
.tracking-header {
    display: flex; align-items: center; gap: 12px;
    padding: 12px 16px; background: rgba(10,10,26,0.95);
    border-bottom: 1px solid var(--border-glass);
}
.tracking-header h3 { flex: 1; font-size: 16px; }
.tracking-status {
    padding: 4px 12px; border-radius: 20px; font-size: 12px;
    background: rgba(0,206,201,0.15); color: var(--success);
    animation: statusPulse 2s infinite;
}
@keyframes statusPulse { 0%,100% { opacity: 1; } 50% { opacity: 0.6; } }
.tracking-map { flex: 1; min-height: 200px; }
.tracking-stats {
    display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px;
    padding: 12px 16px;
}
.stat-card {
    text-align: center; padding: 12px 4px;
    background: var(--bg-glass); border: 1px solid var(--border-glass);
    border-radius: var(--radius-sm);
}
.stat-value { font-size: 20px; font-weight: 700; display: block; }
.stat-label { font-size: 10px; color: var(--text-muted); margin-top: 2px; display: block; }
.tracking-progress { padding: 0 16px 8px; display: flex; align-items: center; gap: 8px; }
.progress-bar { flex: 1; height: 6px; background: var(--bg-glass); border-radius: 3px; overflow: hidden; }
.progress-fill { height: 100%; background: linear-gradient(90deg, var(--accent), var(--success)); transition: width 0.5s ease; border-radius: 3px; }
#tracking-progress-text { font-size: 12px; color: var(--text-secondary); min-width: 35px; }
.tracking-actions { padding: 12px 16px; display: flex; flex-direction: column; gap: 8px; }

/* Photo Proof */
.photo-proof-card {
    padding: 24px; flex: 1; display: flex; flex-direction: column;
    align-items: center; justify-content: center;
    background: linear-gradient(180deg, var(--bg-secondary), var(--bg-primary));
}
.photo-proof-card h3 { margin-bottom: 4px; font-size: 18px; }
.photo-proof-card p { color: var(--text-muted); font-size: 13px; margin-bottom: 20px; }
.photo-preview-container { width: 100%; max-width: 320px; aspect-ratio: 4/3; margin-bottom: 20px; }
.photo-placeholder {
    width: 100%; height: 100%; display: flex; flex-direction: column;
    align-items: center; justify-content: center;
    background: var(--bg-glass); border: 2px dashed var(--border-glass);
    border-radius: var(--radius); cursor: pointer;
}
.photo-placeholder span { font-size: 48px; }
.photo-placeholder p { color: var(--text-muted); font-size: 13px; margin-top: 8px; }
.photo-preview { width: 100%; height: 100%; object-fit: cover; border-radius: var(--radius); }
.photo-actions { display: flex; gap: 12px; width: 100%; max-width: 320px; }
.photo-actions .btn-secondary, .photo-actions .btn-primary { font-size: 14px; }

/* Celebration */
.celebration-container {
    flex: 1; display: flex; align-items: center; justify-content: center;
    background: linear-gradient(180deg, #1a1a3e 0%, var(--bg-primary) 100%);
    position: relative; overflow: hidden;
}
.confetti-container { position: absolute; inset: 0; pointer-events: none; z-index: 1; }
.celebration-card {
    text-align: center; padding: 32px 24px; z-index: 2;
    background: var(--bg-glass); backdrop-filter: blur(20px);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius); max-width: 360px; width: 90%;
}
.celebration-icon { font-size: 64px; animation: celebBounce 0.6s ease; }
@keyframes celebBounce { 0% { transform: scale(0); } 60% { transform: scale(1.2); } 100% { transform: scale(1); } }
.celebration-card h2 { font-size: 24px; margin: 12px 0 4px; }
.celebration-card > p { color: var(--text-secondary); font-size: 14px; margin-bottom: 20px; }

.xp-award-animation { margin: 20px 0; }
.xp-burst { animation: xpBurst 0.8s ease 0.3s both; }
.xp-number { font-size: 36px; font-weight: 700; color: var(--xp-color); text-shadow: 0 0 30px rgba(255,215,0,0.5); }
@keyframes xpBurst { 0% { transform: scale(0) rotate(-10deg); opacity: 0; } 60% { transform: scale(1.3) rotate(5deg); } 100% { transform: scale(1) rotate(0); opacity: 1; } }

.completion-stats { display: flex; justify-content: center; gap: 24px; margin: 20px 0; }
.comp-stat { text-align: center; }
.comp-stat-val { display: block; font-size: 18px; font-weight: 700; }
.comp-stat-label { font-size: 11px; color: var(--text-muted); }

.badge-unlock {
    margin: 20px 0; padding: 16px;
    background: rgba(255,215,0,0.05);
    border: 1px solid rgba(255,215,0,0.2);
    border-radius: var(--radius-sm);
    animation: badgeReveal 0.6s ease 1s both;
}
@keyframes badgeReveal { from { transform: translateY(20px); opacity: 0; } }
.badge-unlock-glow { margin-bottom: 8px; }
.badge-icon-xl { font-size: 48px; filter: drop-shadow(0 0 10px rgba(255,215,0,0.4)); }
.badge-unlock h3 { font-size: 16px; color: var(--xp-color); }
.badge-unlock p { font-size: 12px; color: var(--text-secondary); }

.completion-actions { display: flex; gap: 12px; margin-top: 20px; }
.completion-actions .btn-primary, .completion-actions .btn-secondary { flex: 1; padding: 12px; font-size: 14px; }

/* Profile */
.profile-container { padding: 20px; overflow-y: auto; flex: 1; }
.profile-header { text-align: center; margin-bottom: 24px; }
.avatar-large { font-size: 56px; margin-bottom: 8px; }
.level-display { margin-top: 8px; }
.xp-bar { width: 200px; height: 6px; background: var(--bg-glass); border-radius: 3px; margin: 8px auto; overflow: hidden; }
.xp-fill { height: 100%; background: linear-gradient(90deg, var(--xp-color), #ff9f43); transition: width 0.5s ease; }
#profile-xp-text { font-size: 12px; color: var(--text-muted); }

.profile-stats-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin-bottom: 24px; }
.profile-stat {
    text-align: center; padding: 16px;
    background: var(--bg-glass); border: 1px solid var(--border-glass);
    border-radius: var(--radius-sm);
}
.profile-stat-val { font-size: 24px; font-weight: 700; display: block; }
.profile-stat-label { font-size: 12px; color: var(--text-secondary); margin-top: 4px; display: block; }

.profile-section { margin-bottom: 24px; }
.profile-section h3 { font-size: 16px; margin-bottom: 12px; }
.badges-grid { display: flex; flex-wrap: wrap; gap: 12px; }
.badge-item {
    width: 64px; text-align: center; padding: 8px 4px;
    background: var(--bg-glass); border: 1px solid var(--border-glass);
    border-radius: var(--radius-sm);
}
.badge-item.locked { opacity: 0.3; filter: grayscale(1); }
.badge-item-icon { font-size: 28px; display: block; }
.badge-item-name { font-size: 9px; color: var(--text-secondary); margin-top: 4px; display: block; }

.challenge-history { display: flex; flex-direction: column; gap: 8px; }
.history-item {
    display: flex; align-items: center; gap: 12px;
    padding: 12px; background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-sm);
}
.history-item-icon { font-size: 24px; }
.history-item-info { flex: 1; }
.history-item-name { font-size: 14px; font-weight: 600; }
.history-item-date { font-size: 11px; color: var(--text-muted); }
.history-item-xp { font-size: 14px; font-weight: 700; color: var(--xp-color); }

/* Modal */
.modal {
    position: fixed; inset: 0; z-index: 2000;
    display: flex; align-items: center; justify-content: center;
    background: rgba(0,0,0,0.6); backdrop-filter: blur(5px);
}
.modal-content {
    width: 90%; max-width: 380px; padding: 24px;
    background: rgba(17,17,40,0.95); backdrop-filter: blur(20px);
    border: 1px solid var(--border-glass); border-radius: var(--radius);
}
.modal-content h3 { margin-bottom: 12px; }
.modal-content p { color: var(--text-secondary); font-size: 14px; margin-bottom: 8px; }
.text-muted { color: var(--text-muted) !important; font-size: 12px !important; }
.modal-actions { display: flex; flex-direction: column; gap: 8px; margin-top: 16px; }

.filter-group { margin-bottom: 16px; }
.filter-group label { font-size: 13px; color: var(--text-secondary); display: block; margin-bottom: 8px; }
.filter-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
    padding: 6px 14px; border-radius: 20px; font-size: 12px;
    background: var(--bg-glass); border: 1px solid var(--border-glass);
    color: var(--text-secondary); cursor: pointer; font-family: var(--font-th);
}
.chip.active { background: var(--accent); color: white; border-color: var(--accent); }

/* Bottom Nav */
.bottom-nav {
    display: flex; background: rgba(10,10,26,0.95);
    backdrop-filter: blur(20px);
    border-top: 1px solid var(--border-glass);
    padding: 6px 0; padding-bottom: env(safe-area-inset-bottom, 6px);
}
.nav-item {
    flex: 1; display: flex; flex-direction: column;
    align-items: center; gap: 2px; padding: 6px;
    background: none; border: none; cursor: pointer;
    color: var(--text-muted); transition: color 0.2s;
}
.nav-item.active { color: var(--accent); }
.nav-icon { font-size: 22px; }
.nav-label { font-size: 10px; }

/* Toast */
.toast {
    position: fixed; bottom: 100px; left: 50%; transform: translateX(-50%);
    padding: 12px 20px; border-radius: 12px;
    background: rgba(17,17,40,0.95); backdrop-filter: blur(15px);
    border: 1px solid var(--border-glass);
    font-size: 13px; z-index: 3000;
    display: flex; align-items: center; gap: 8px;
    animation: toastIn 0.3s ease;
    box-shadow: 0 8px 24px rgba(0,0,0,0.3);
}
@keyframes toastIn { from { transform: translateX(-50%) translateY(20px); opacity: 0; } }

/* Leaflet overrides for dark theme */
.leaflet-container { background: #0a0a1a !important; }
.leaflet-control-zoom a {
    background: rgba(10,10,26,0.9) !important;
    color: white !important;
    border-color: var(--border-glass) !important;
}
.leaflet-popup-content-wrapper {
    background: rgba(17,17,40,0.95) !important;
    color: white !important;
    border-radius: 12px !important;
    backdrop-filter: blur(15px);
    border: 1px solid var(--border-glass);
}
.leaflet-popup-tip { background: rgba(17,17,40,0.95) !important; }
.leaflet-popup-content { margin: 12px 16px !important; font-family: var(--font-th) !important; }

/* Custom map markers */
.challenge-marker {
    width: 36px; height: 36px; border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 18px; border: 2px solid rgba(255,255,255,0.3);
    box-shadow: 0 2px 12px rgba(0,0,0,0.4);
}
.challenge-marker.easy { background: rgba(0,184,148,0.85); }
.challenge-marker.medium { background: rgba(253,203,110,0.85); }
.challenge-marker.hard { background: rgba(225,112,85,0.85); }
.challenge-marker.completed { background: rgba(108,92,231,0.5); border-color: var(--accent); opacity: 0.6; }

.user-marker {
    width: 18px; height: 18px; border-radius: 50%;
    background: #4a90d9; border: 3px solid white;
    box-shadow: 0 0 0 4px rgba(74,144,217,0.3), 0 2px 8px rgba(0,0,0,0.3);
}
.user-marker-pulse {
    position: absolute; width: 40px; height: 40px; border-radius: 50%;
    background: rgba(74,144,217,0.2); left: -14px; top: -14px;
    animation: userPulse 2s infinite;
}
@keyframes userPulse { 0% { transform: scale(0.8); opacity: 1; } 100% { transform: scale(2); opacity: 0; } }

/* Route line styles handled in JS via Leaflet polyline */

/* Responsive */
@media (min-width: 768px) {
    .challenge-drawer { max-width: 400px; left: auto; right: 16px; bottom: 16px; border-radius: var(--radius); border: 1px solid var(--border-glass); }
    .tracking-stats { grid-template-columns: repeat(4, 1fr); }
}