:root {
    --neon-orange: #FF5E3A;
    --neon-orange-glow: rgba(255, 94, 58, 0.4);
    --neon-cyan: #00D4FF;
    --neon-cyan-glow: rgba(0, 212, 255, 0.3);
    --dark-bg: #0A0A0F;
    --card-bg: #14141C;
    --card-bg-hover: #1A1A24;
    --border-light: #2A2A35;
    --text-primary: #FFFFFF;
    --text-secondary: #A0A0B0;
    --text-muted: #6B6B7A;
    --success: #00E5A0;
    --warning: #FFB800;
    --error: #FF4466;
    --gradient-primary: linear-gradient(135deg, var(--neon-orange) 0%, var(--neon-cyan) 100%);
    --gradient-dark: linear-gradient(180deg, rgba(10, 10, 15, 0.95) 0%, rgba(10, 10, 15, 0.98) 100%);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body {
    font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", Helvetica, sans-serif;
    background: var(--dark-bg); color: var(--text-primary); min-height: 100vh; overflow-x: hidden;
}
.header { position: fixed; top: 0; left: 0; right: 0; z-index: 100; background: var(--gradient-dark); backdrop-filter: blur(20px); border-bottom: 1px solid var(--border-light); }
.header-gradient { position: absolute; top: 0; left: 0; right: 0; height: 200px; background: radial-gradient(ellipse at 50% 0%, var(--neon-orange-glow) 0%, transparent 70%); opacity: 0.15; pointer-events: none; }
.header-content { display: flex; align-items: center; justify-content: space-between; padding: 12px 16px; position: relative; z-index: 1; }
.back-btn, .menu-btn { background: rgba(255,255,255,0.1); border: 1px solid var(--border-light); border-radius: 30px; width: 40px; height: 40px; display: flex; align-items: center; justify-content: center; cursor: pointer; transition: all 0.2s ease; color: var(--text-primary); }
.back-btn:hover, .menu-btn:hover { background: rgba(255,255,255,0.2); transform: scale(1.02); }
.header-title { font-size: 18px; font-weight: 700; letter-spacing: 1px; background: var(--gradient-primary); -webkit-background-clip: text; background-clip: text; color: transparent; }
.main-container { padding-top: 72px; padding-bottom: 90px; min-height: 100vh; }
.stats-ribbon { display: flex; gap: 12px; padding: 16px; background: var(--card-bg); margin: 0 16px 20px; border-radius: 20px; border: 1px solid var(--border-light); }
.stat-card { flex: 1; text-align: center; padding: 12px 8px; background: rgba(255,255,255,0.03); border-radius: 16px; }
.stat-value { font-size: 24px; font-weight: 800; background: var(--gradient-primary); -webkit-background-clip: text; background-clip: text; color: transparent; margin-bottom: 4px; }
.stat-label { font-size: 11px; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 0.5px; }
.map-container { margin: 0 16px 20px; border-radius: 24px; overflow: hidden; position: relative; height: 280px; border: 1px solid var(--border-light); box-shadow: 0 4px 20px rgba(0,0,0,0.3); }
#journeyMap { width: 100%; height: 100%; background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%); }
.map-overlay { position: absolute; bottom: 12px; left: 12px; right: 12px; background: rgba(10,10,15,0.9); backdrop-filter: blur(10px); border-radius: 12px; padding: 10px 14px; border: 1px solid var(--border-light); }
.route-info { display: flex; justify-content: space-between; align-items: center; }
.route-name { font-size: 13px; font-weight: 600; color: var(--neon-cyan); }
.route-distance { font-size: 12px; color: var(--text-secondary); }
.progress-section { margin: 0 16px 20px; padding: 16px; background: var(--card-bg); border-radius: 20px; border: 1px solid var(--border-light); }
.progress-header { display: flex; justify-content: space-between; margin-bottom: 12px; }
.progress-title { font-size: 14px; font-weight: 600; color: var(--text-primary); }
.progress-percent { font-size: 14px; font-weight: 700; color: var(--neon-orange); }
.progress-bar-container { position: relative; height: 8px; background: rgba(255,255,255,0.1); border-radius: 4px; overflow: visible; margin-bottom: 16px; }
.progress-bar-fill { position: absolute; left: 0; top: 0; height: 100%; background: var(--gradient-primary); border-radius: 4px; width: 0%; transition: width 0.5s ease; box-shadow: 0 0 10px var(--neon-orange-glow); }
.progress-milestones { position: absolute; top: -4px; left: 0; right: 0; height: 16px; pointer-events: none; }
.milestone-dot { position: absolute; width: 12px; height: 12px; background: var(--neon-cyan); border-radius: 50%; transform: translateX(-50%); top: -2px; border: 2px solid var(--card-bg); box-shadow: 0 0 8px var(--neon-cyan-glow); }
.current-location { display: flex; align-items: center; gap: 8px; }
.location-dot { width: 8px; height: 8px; background: var(--neon-orange); border-radius: 50%; box-shadow: 0 0 6px var(--neon-orange); animation: pulse 2s infinite; }
@keyframes pulse { 0%,100% { opacity: 1; transform: scale(1); } 50% { opacity: 0.5; transform: scale(1.2); } }
.location-text { font-size: 12px; color: var(--text-secondary); }
.mvp-actions { margin-top: 12px; display: flex; gap: 8px; }
.btn-secondary-mini {
    border: 1px solid var(--border-light);
    background: rgba(255,255,255,0.04);
    color: var(--text-primary);
    border-radius: 12px;
    padding: 10px 12px;
    font-size: 13px;
    cursor: pointer;
}
.btn-secondary-mini:hover { background: rgba(255,255,255,0.08); }
.link-row { margin-top: 10px; display: flex; gap: 8px; align-items: center; }
.link-input {
    flex: 1;
    border: 1px solid var(--border-light);
    background: rgba(255,255,255,0.03);
    color: var(--text-primary);
    border-radius: 12px;
    padding: 10px 12px;
    font-size: 13px;
    outline: none;
}
.link-input:focus { border-color: var(--neon-cyan); }
.tabs { display: flex; gap: 4px; margin: 0 16px 16px; padding: 4px; background: var(--card-bg); border-radius: 40px; border: 1px solid var(--border-light); }
.tab-btn { flex: 1; padding: 10px 16px; background: transparent; border: none; color: var(--text-secondary); font-size: 14px; font-weight: 500; border-radius: 32px; cursor: pointer; transition: all 0.2s ease; }
.tab-btn.active { background: var(--gradient-primary); color: white; box-shadow: 0 2px 8px var(--neon-orange-glow); }
.tab-contents { margin: 0 16px; }
.tab-content { display: none; animation: fadeIn 0.3s ease; }
.tab-content.active { display: block; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }
.journey-segments, .friends-list { display: flex; flex-direction: column; gap: 12px; }
.segment-card { background: var(--card-bg); border-radius: 16px; padding: 16px; border: 1px solid var(--border-light); transition: all 0.2s ease; }
.segment-card.completed { border-color: var(--success); background: rgba(0,229,160,0.05); }
.segment-card.current { border-color: var(--neon-orange); box-shadow: 0 0 12px var(--neon-orange-glow); }
.segment-header { display: flex; justify-content: space-between; margin-bottom: 8px; }
.segment-name { font-weight: 600; font-size: 15px; }
.segment-distance { font-size: 13px; color: var(--text-secondary); }
.segment-progress { height: 4px; background: rgba(255,255,255,0.1); border-radius: 2px; margin-top: 12px; overflow: hidden; }
.segment-progress-fill { height: 100%; background: var(--gradient-primary); border-radius: 2px; width: 0%; }
.friend-card { display: flex; align-items: center; gap: 12px; padding: 12px; background: var(--card-bg); border-radius: 16px; border: 1px solid var(--border-light); }
.friend-avatar { width: 48px; height: 48px; background: linear-gradient(135deg, var(--neon-orange), var(--neon-cyan)); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 20px; }
.friend-info { flex: 1; }
.friend-name { font-weight: 600; margin-bottom: 4px; }
.friend-progress { font-size: 12px; color: var(--text-secondary); }
.friend-distance { font-size: 14px; font-weight: 700; color: var(--neon-cyan); }
.bonuses-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.bonus-card { background: var(--card-bg); border-radius: 16px; padding: 16px; text-align: center; border: 1px solid var(--border-light); position: relative; overflow: hidden; cursor: pointer; transition: all 0.2s ease; }
.bonus-card:hover { transform: translateY(-2px); border-color: var(--neon-orange); }
.bonus-card.locked { opacity: 0.6; }
.bonus-card.available { border-color: var(--success); animation: glowPulse 2s infinite; }
@keyframes glowPulse { 0%,100% { box-shadow: 0 0 0 rgba(0,229,160,0); } 50% { box-shadow: 0 0 16px rgba(0,229,160,0.3); } }
.bonus-icon { font-size: 32px; margin-bottom: 8px; }
.bonus-name { font-weight: 600; font-size: 14px; margin-bottom: 4px; }
.bonus-tier { font-size: 11px; color: var(--text-secondary); margin-bottom: 8px; }
.bonus-lock { position: absolute; top: 8px; right: 8px; font-size: 12px; color: var(--text-muted); }
.leaderboard { background: var(--card-bg); border-radius: 20px; border: 1px solid var(--border-light); overflow: hidden; }
.leaderboard-header { display: grid; grid-template-columns: 60px 1fr 80px; padding: 12px 16px; background: rgba(255,255,255,0.05); font-size: 12px; color: var(--text-secondary); border-bottom: 1px solid var(--border-light); }
.leaderboard-item { display: grid; grid-template-columns: 60px 1fr 80px; padding: 14px 16px; align-items: center; border-bottom: 1px solid var(--border-light); transition: background 0.2s; }
.leaderboard-item:hover { background: rgba(255,255,255,0.03); }
.leaderboard-rank { font-weight: 700; font-size: 16px; }
.rank-1 .leaderboard-rank { color: #FFD700; }
.rank-2 .leaderboard-rank { color: #C0C0C0; }
.rank-3 .leaderboard-rank { color: #CD7F32; }
.leaderboard-distance { font-weight: 700; color: var(--neon-cyan); }
.bottom-cta { position: fixed; bottom: 0; left: 0; right: 0; padding: 12px 20px 24px; background: var(--gradient-dark); backdrop-filter: blur(20px); border-top: 1px solid var(--border-light); z-index: 100; }
.cta-button { width: 100%; background: var(--gradient-primary); border: none; border-radius: 60px; padding: 16px; display: flex; align-items: center; justify-content: center; gap: 12px; cursor: pointer; transition: all 0.2s ease; box-shadow: 0 4px 20px var(--neon-orange-glow); }
.cta-button:hover { transform: scale(1.02); box-shadow: 0 6px 24px var(--neon-orange-glow); }
.cta-icon { font-size: 20px; }
.cta-text { font-size: 17px; font-weight: 700; color: white; letter-spacing: 0.5px; }
.modal { display: none; position: fixed; inset: 0; background: rgba(0,0,0,0.8); backdrop-filter: blur(8px); z-index: 200; align-items: center; justify-content: center; padding: 20px; }
.modal.active { display: flex; }
.modal-content { background: var(--card-bg); border-radius: 28px; max-width: 340px; width: 100%; border: 1px solid var(--border-light); overflow: hidden; animation: modalSlideIn 0.3s ease; }
@keyframes modalSlideIn { from { opacity: 0; transform: translateY(30px);} to { opacity: 1; transform: translateY(0);} }
.modal-header { display: flex; justify-content: space-between; align-items: center; padding: 20px 20px 12px; border-bottom: 1px solid var(--border-light); }
.modal-header h3 { font-size: 18px; font-weight: 700; background: var(--gradient-primary); -webkit-background-clip: text; background-clip: text; color: transparent; }
.modal-close { background: rgba(255,255,255,0.1); border: none; width: 32px; height: 32px; border-radius: 50%; font-size: 24px; cursor: pointer; color: var(--text-secondary); }
.modal-body { padding: 20px; }
.modal-footer { padding: 16px 20px 20px; border-top: 1px solid var(--border-light); }
.modal-btn { width: 100%; padding: 14px; border-radius: 40px; border: none; font-weight: 600; cursor: pointer; transition: all 0.2s; }
.modal-btn.primary { background: var(--gradient-primary); color: white; }
.toast { position: fixed; bottom: 100px; left: 20px; right: 20px; background: rgba(0,0,0,0.9); backdrop-filter: blur(10px); padding: 12px 16px; border-radius: 12px; text-align: center; font-size: 14px; z-index: 150; opacity: 0; transition: opacity 0.3s; pointer-events: none; border: 1px solid var(--neon-orange); }
.toast.show { opacity: 1; }
.loading-spinner { width: 40px; height: 40px; border: 3px solid var(--border-light); border-top-color: var(--neon-orange); border-radius: 50%; animation: spin 1s linear infinite; margin: 40px auto; }
@keyframes spin { to { transform: rotate(360deg); } }
@media (max-width: 480px) {
    .stats-ribbon { margin: 0 12px 16px; }
    .map-container { margin: 0 12px 16px; height: 240px; }
    .progress-section, .tabs, .tab-contents { margin-left: 12px; margin-right: 12px; }
    .bonuses-grid { grid-template-columns: 1fr; }
}
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--card-bg); }
::-webkit-scrollbar-thumb { background: var(--neon-orange); border-radius: 4px; }

.current-location-marker {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--neon-orange);
    border: 2px solid var(--neon-cyan);
    box-shadow: 0 0 12px var(--neon-orange-glow);
}