:root {
    /* C-Transit Brand Colors */
    --primary: #001948; /* Deep Navy Base */
    --primary-light: #E6E9F0; /* Soft tint for text inside the dark header */
    --primary-hover: #002875;
    
    /* Layout Colors */
    --background: #F4F5F7; /* Slightly cooler background to complement navy */
    --card-bg: #FFFFFF;
    
    /* Text & Borders */
    --text-main: #1F2937;
    --text-muted: #6B7280;
    --border: #E5E7EB;
    
    /* Top 3 Accents - Warmed up to contrast against the navy */
    --gold: #F59E0B;
    --silver: #9CA3AF;
    --bronze: #D97706;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

body {
    background-color: var(--background);
    color: var(--text-main);
    line-height: 1.5;
}

/* =========================================
   HEADER SECTION (Compact & Branded)
   ========================================= */
.header {
    text-align: center;
    margin-bottom: 1.5rem;
    padding: 1.5rem 1rem;
    background-color: var(--primary);
    color: white;
    border-radius: 0 0 20px 20px;
    box-shadow: 0 4px 12px rgba(0, 25, 72, 0.15);
}

.logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-size: 1.25rem;
    font-weight: 700;
    color: white;
    margin-bottom: 0.25rem;
}

.logo svg {
    width: 320px; /* Perfectly scaled */
    height: auto;
    fill: #FFFFFF !important; /* Forced white against navy */
    stroke: #FFFFFF !important;
}

.header h1 {
    font-size: 1.75rem;
    font-weight: 800;
    margin-bottom: 0.25rem;
    letter-spacing: -0.02em;
}

.header p {
    color: var(--primary-light);
    font-size: 0.95rem;
}

/* Main Website Button */
.cta-button {
    display: inline-block;
    margin-top: 1rem;
    padding: 8px 20px;
    background-color: #FFFFFF;
    color: var(--primary);
    text-decoration: none;
    font-weight: 700;
    font-size: 0.9rem;
    border-radius: 6px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.2);
    transition: all 0.2s ease;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.3);
    background-color: var(--primary-light);
}

/* =========================================
   MAIN LAYOUT & STATES
   ========================================= */
.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 20px 40px;
}

/* Loader */
.loader-container {
    text-align: center;
    padding: 4rem 0;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--border);
    border-top-color: var(--primary);
    border-radius: 50%;
    margin: 0 auto 1rem;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Error Message */
.error-container {
    text-align: center;
    background: #FEE2E2;
    color: #991B1B;
    padding: 2rem;
    border-radius: 12px;
    margin-top: 2rem;
    border: 1px solid #FCA5A5;
}

.error-container button {
    margin-top: 1rem;
    padding: 10px 20px;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 600;
    transition: background 0.2s;
}

.error-container button:hover {
    background: var(--primary-hover);
}

/* =========================================
   LEADERBOARD ROWS
   ========================================= */
.table-header {
    display: none;
}

.row {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 16px;
    margin-bottom: 12px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.02);
    display: flex;
    align-items: center;
    gap: 16px;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.row:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(0, 25, 72, 0.08);
    border-color: #D1D5DB;
}

.rank-badge {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--background);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: var(--text-muted);
    font-size: 1.1rem;
    flex-shrink: 0;
    border: 2px solid transparent;
}

.user-info {
    flex-grow: 1;
}

.display-name {
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--primary);
}

.phone-mask {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 2px;
}

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

.points {
    font-weight: 800;
    color: var(--primary);
    font-size: 1.3rem;
}

.reports {
    font-size: 0.85rem;
    color: var(--text-main);
    background: var(--background);
    padding: 3px 10px;
    border-radius: 12px;
    font-weight: 500;
}

/* =========================================
   TOP 3 HIGHLIGHTS
   ========================================= */
.row[data-rank="1"] { border-left: 6px solid var(--gold); }
.row[data-rank="1"] .rank-badge { background: #FEF3C7; color: var(--gold); border-color: var(--gold); }

.row[data-rank="2"] { border-left: 6px solid var(--silver); }
.row[data-rank="2"] .rank-badge { background: #F3F4F6; color: var(--silver); border-color: var(--silver); }

.row[data-rank="3"] { border-left: 6px solid var(--bronze); }
.row[data-rank="3"] .rank-badge { background: #FEF3C7; color: var(--bronze); border-color: var(--bronze); }

.hidden {
    display: none !important;
}

/* =========================================
   DESKTOP LAYOUT (Responsive)
   ========================================= */
@media (min-width: 640px) {
    .header {
        border-radius: 0 0 24px 24px;
        padding: 2rem 1.5rem; /* Compact desktop header */
    }

    .table-header {
        display: grid;
        grid-template-columns: 70px 2fr 1fr 1fr;
        padding: 0 16px 12px;
        font-weight: 700;
        color: var(--text-muted);
        font-size: 0.85rem;
        text-transform: uppercase;
        letter-spacing: 0.05em;
    }
    
    .row {
        display: grid;
        grid-template-columns: 70px 2fr 1fr 1fr;
        align-items: center;
        padding: 14px 16px;
    }

    .stats {
        flex-direction: row;
        align-items: center;
        justify-content: flex-start;
        gap: 0;
        display: contents;
    }

    .points {
        font-size: 1.2rem;
    }

    .reports {
        background: transparent;
        padding: 0;
        font-size: 1rem;
    }
}