/* CSS Design System for Telegram Competition Dashboard */

:root {
    --bg-color: #0b0f17;
    --card-bg: rgba(20, 27, 41, 0.5);
    --card-border: rgba(255, 255, 255, 0.06);
    --text-primary: #f3f4f6;
    --text-secondary: #9ca3af;
    
    --primary: #6366f1;
    --primary-glow: rgba(99, 102, 241, 0.15);
    --success: #10b981;
    --success-glow: rgba(16, 185, 129, 0.15);
    --danger: #ef4444;
    
    /* Podium Colors */
    --gold: #f59e0b;
    --gold-glow: rgba(245, 158, 11, 0.2);
    --silver: #9ca3af;
    --silver-glow: rgba(156, 163, 175, 0.2);
    --bronze: #b45309;
    --bronze-glow: rgba(180, 83, 9, 0.2);
    
    --font-primary: 'Plus Jakarta Sans', system-ui, sans-serif;
    --font-heading: 'Outfit', system-ui, sans-serif;
}

/* Telegram theme parameters compatibility */
body.telegram-theme {
    --bg-color: var(--tg-theme-bg-color, #0b0f17);
    --text-primary: var(--tg-theme-text-color, #f3f4f6);
    --text-secondary: var(--tg-theme-hint-color, #9ca3af);
    --primary: var(--tg-theme-button-color, #6366f1);
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: var(--font-primary);
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
    padding-bottom: 30px;
}

/* Glowing Background Blur Effects */
.glow-bg {
    position: absolute;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.12) 0%, rgba(168, 85, 247, 0.05) 50%, transparent 100%);
    top: -100px;
    left: 50%;
    transform: translateX(-50%);
    z-index: -1;
    pointer-events: none;
    filter: blur(80px);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    position: relative;
    z-index: 1;
}

/* Header Component */
.app-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    padding: 16px 20px;
    background: var(--card-bg);
    backdrop-filter: blur(12px);
    border: 1px solid var(--card-border);
    border-radius: 20px;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.2);
}

.logo-area {
    display: flex;
    align-items: center;
    gap: 16px;
}

.logo-emoji {
    font-size: 2.5rem;
    animation: pulse 2s infinite ease-in-out;
}

.logo-area h1 {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.6rem;
    letter-spacing: -0.5px;
    background: linear-gradient(135deg, #fff 0%, #a5b4fc 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.subtitle {
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.stat-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 14px;
    padding: 10px 18px;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
}

.stat-value {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--success);
    text-shadow: 0 0 10px var(--success-glow);
}

.stat-label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    font-weight: 600;
}

/* Dashboard Layout Grid */
.dashboard-grid {
    display: grid;
    grid-template-columns: 1fr 1.3fr;
    gap: 20px;
    align-items: start;
}

@media (max-width: 900px) {
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
}

/* Card Wrapper Styling (Glassmorphism) */
.card {
    background: var(--card-bg);
    backdrop-filter: blur(16px);
    border: 1px solid var(--card-border);
    border-radius: 24px;
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.3);
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    padding-bottom: 14px;
}

.card-header h2 {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    color: #ffffff;
}

.badge {
    background: rgba(99, 102, 241, 0.1);
    color: #a5b4fc;
    border: 1px solid rgba(99, 102, 241, 0.2);
    font-size: 0.75rem;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: 20px;
    letter-spacing: 0.3px;
}

/* Leaderboard List Component */
.leaderboard-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    max-height: 520px;
    overflow-y: auto;
    padding-right: 4px;
}

/* Scrollbar formatting */
.leaderboard-list::-webkit-scrollbar {
    width: 6px;
}
.leaderboard-list::-webkit-scrollbar-track {
    background: transparent;
}
.leaderboard-list::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.08);
    border-radius: 4px;
}

.leaderboard-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.03);
    border-radius: 16px;
    cursor: pointer;
    transition: all 0.25s ease;
}

.leaderboard-item:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.08);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.leaderboard-item.selected {
    background: rgba(99, 102, 241, 0.08);
    border-color: rgba(99, 102, 241, 0.3);
}

.item-left {
    display: flex;
    align-items: center;
    gap: 12px;
}

.rank-badge {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.1rem;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    color: var(--text-secondary);
}

/* Rank Podium Highlights */
.rank-1 .rank-badge {
    color: var(--gold);
    background: var(--gold-glow);
    border: 1px solid rgba(245, 158, 11, 0.3);
}
.rank-1 {
    border-left: 3px solid var(--gold);
}

.rank-2 .rank-badge {
    color: var(--silver);
    background: var(--silver-glow);
    border: 1px solid rgba(156, 163, 175, 0.3);
}
.rank-2 {
    border-left: 3px solid var(--silver);
}

.rank-3 .rank-badge {
    color: var(--bronze);
    background: var(--bronze-glow);
    border: 1px solid rgba(180, 83, 9, 0.3);
}
.rank-3 {
    border-left: 3px solid var(--bronze);
}

/* Avatar Circle */
.avatar-container {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.05);
    border: 2px solid rgba(255, 255, 255, 0.1);
    flex-shrink: 0;
}

.rank-1 .avatar-container { border-color: var(--gold); }
.rank-2 .avatar-container { border-color: var(--silver); }
.rank-3 .avatar-container { border-color: var(--bronze); }

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

.avatar-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.95rem;
    color: #ffffff;
    font-family: var(--font-heading);
}

.user-info {
    display: flex;
    flex-direction: column;
}

.user-name {
    font-weight: 600;
    font-size: 0.95rem;
    color: #ffffff;
}

.user-tag {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.item-right {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 4px;
}

.progress-value {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1rem;
    display: flex;
    align-items: center;
    gap: 4px;
}

.progress-value.positive {
    color: var(--success);
}

.progress-value.negative {
    color: var(--danger);
}

.progress-value.neutral {
    color: var(--text-secondary);
}

.weight-values {
    font-size: 0.75rem;
    color: var(--text-secondary);
    font-weight: 500;
}

/* Chart Canvas Styling */
.chart-card {
    height: 100%;
}

.chart-actions {
    display: flex;
    gap: 8px;
}

.btn {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.05);
    color: var(--text-secondary);
    font-size: 0.75rem;
    font-weight: 600;
    padding: 6px 12px;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn:hover {
    background: rgba(255, 255, 255, 0.07);
    color: #fff;
}

.btn-active {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
    box-shadow: 0 0 10px var(--primary-glow);
}

.chart-container {
    width: 100%;
    min-height: 380px;
    position: relative;
}

.loading-spinner {
    padding: 40px;
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
}

/* Animations */
@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}