/* ========================================
   RUNNING EVENT THEME - CUSTOM STYLES
   Modern, Energetic Design System
   ======================================== */

/* === CSS VARIABLES === */
:root {
    /* Colors */
    --primary-orange: #FF6B35;
    --secondary-blue: #004E89;
    --accent-gold: #F7931E;
    --success-green: #2ECC71;
    --danger-red: #E74C3C;
    --warning-yellow: #F39C12;
    --bg-light: #F8F9FA;
    --bg-white: #FFFFFF;
    --text-dark: #1A1A2E;
    --text-muted: #6C757D;
    
    /* Gradients */
    --gradient-hero: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-accent: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-running: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --gradient-orange-blue: linear-gradient(135deg, var(--primary-orange) 0%, var(--secondary-blue) 100%);
    --gradient-success: linear-gradient(135deg, #56ab2f 0%, #a8e063 100%);
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.15);
    --shadow-glow: 0 0 20px rgba(255, 107, 53, 0.3);
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
}

/* === GLOBAL STYLES === */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    color: var(--text-dark);
    background-color: var(--bg-light);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Poppins', sans-serif;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
}

h1 { font-size: 3rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 2rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

/* === UTILITY CLASSES === */
.gradient-text {
    background: var(--gradient-orange-blue);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.glassmorphic {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.animate-fade-in {
    animation: fadeIn 0.6s ease-in;
}

.animate-slide-up {
    animation: slideUp 0.6s ease-out;
}

.animate-pulse {
    animation: pulse 2s infinite;
}

/* === ANIMATIONS === */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes slideUp {
    from {
        transform: translateY(30px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

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

@keyframes shimmer {
    0% {
        background-position: -1000px 0;
    }
    100% {
        background-position: 1000px 0;
    }
}

/* === BUTTONS === */
.btn-gradient {
    background: var(--gradient-orange-blue);
    color: white;
    border: none;
    padding: 12px 32px;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
}

.btn-gradient:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-gradient:active {
    transform: translateY(0);
}

.btn-gradient::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s;
}

.btn-gradient:hover::before {
    left: 100%;
}

.btn-outline-gradient {
    background: transparent;
    border: 2px solid var(--primary-orange);
    color: var(--primary-orange);
    padding: 10px 30px;
    border-radius: var(--radius-full);
    font-weight: 600;
    transition: all var(--transition-base);
}

.btn-outline-gradient:hover {
    background: var(--primary-orange);
    color: white;
    transform: translateY(-2px);
}

/* === CARDS === */
.card-modern {
    background: white;
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.card-modern:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.card-glassmorphic {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-lg);
}

.card-gradient {
    background: var(--gradient-orange-blue);
    color: white;
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-lg);
}

/* === BADGES === */
.badge-modern {
    display: inline-block;
    padding: 6px 16px;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-success {
    background: var(--gradient-success);
    color: white;
}

.badge-warning {
    background: linear-gradient(135deg, #f39c12 0%, #f1c40f 100%);
    color: white;
}

.badge-danger {
    background: linear-gradient(135deg, #e74c3c 0%, #c0392b 100%);
    color: white;
}

.badge-info {
    background: var(--gradient-running);
    color: white;
}

/* === FORM ELEMENTS === */
.form-control-modern {
    border: 2px solid #e0e0e0;
    border-radius: var(--radius-md);
    padding: 12px 16px;
    font-size: 1rem;
    transition: all var(--transition-base);
    background: white;
}

.form-control-modern:focus {
    outline: none;
    border-color: var(--primary-orange);
    box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.1);
}

.form-label-modern {
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 8px;
    display: block;
    font-size: 0.95rem;
}

.form-floating-label {
    position: relative;
}

.form-floating-label input {
    padding-top: 20px;
}

.form-floating-label label {
    position: absolute;
    left: 16px;
    top: 12px;
    transition: all var(--transition-fast);
    pointer-events: none;
    color: var(--text-muted);
}

.form-floating-label input:focus + label,
.form-floating-label input:not(:placeholder-shown) + label {
    top: 4px;
    font-size: 0.75rem;
    color: var(--primary-orange);
}

/* === HERO SECTION === */
.hero-section {
    position: relative;
    min-height: 500px;
    background: var(--gradient-hero);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding: var(--spacing-xl) var(--spacing-md);
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="100" height="100" patternUnits="userSpaceOnUse"><path d="M 100 0 L 0 0 0 100" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="1"/></pattern></defs><rect width="100%" height="100%" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    color: white;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: var(--spacing-md);
    text-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
    animation: slideUp 0.8s ease-out;
}

.hero-subtitle {
    font-size: 1.5rem;
    font-weight: 400;
    opacity: 0.95;
    animation: slideUp 0.8s ease-out 0.2s backwards;
}

/* === STATS CARDS === */
.stats-card {
    background: white;
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.stats-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--gradient-orange-blue);
}

.stats-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.stats-icon {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
}

.stats-number {
    font-family: 'Outfit', sans-serif;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-dark);
    line-height: 1;
}

.stats-label {
    color: var(--text-muted);
    font-size: 0.95rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* === TABLE MODERN === */
.table-modern {
    width: 100%;
    background: white;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.table-modern thead {
    background: var(--gradient-orange-blue);
    color: white;
}

.table-modern thead th {
    padding: 16px;
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.875rem;
    letter-spacing: 0.5px;
}

.table-modern tbody tr {
    border-bottom: 1px solid #f0f0f0;
    transition: all var(--transition-fast);
}

.table-modern tbody tr:hover {
    background: #f8f9fa;
    transform: scale(1.01);
}

.table-modern tbody td {
    padding: 16px;
    vertical-align: middle;
}

/* === NAVBAR MODERN === */
.navbar-modern {
    background: var(--gradient-orange-blue);
    padding: var(--spacing-md) 0;
    box-shadow: var(--shadow-lg);
}

.navbar-brand-modern {
    font-family: 'Poppins', sans-serif;
    font-weight: 700;
    font-size: 1.5rem;
    color: white !important;
    text-decoration: none;
}

.navbar-modern .nav-link {
    color: rgba(255, 255, 255, 0.9) !important;
    font-weight: 500;
    transition: all var(--transition-fast);
    padding: 8px 16px;
    border-radius: var(--radius-sm);
}

.navbar-modern .nav-link:hover {
    background: rgba(255, 255, 255, 0.2);
    color: white !important;
}

/* === PROGRESS BAR === */
.progress-modern {
    height: 8px;
    background: #e0e0e0;
    border-radius: var(--radius-full);
    overflow: hidden;
}

.progress-bar-modern {
    height: 100%;
    background: var(--gradient-orange-blue);
    border-radius: var(--radius-full);
    transition: width var(--transition-slow);
}

/* === RESPONSIVE === */
@media (max-width: 768px) {
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
    h3 { font-size: 1.5rem; }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.125rem;
    }
    
    .stats-number {
        font-size: 2rem;
    }
    
    .card-modern,
    .card-glassmorphic {
        padding: var(--spacing-md);
    }
}

/* === LOADING SPINNER === */
.spinner-modern {
    width: 50px;
    height: 50px;
    border: 4px solid rgba(255, 107, 53, 0.2);
    border-top-color: var(--primary-orange);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* === ICON STYLES === */
.icon-circle {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.icon-circle-orange {
    background: linear-gradient(135deg, var(--primary-orange), var(--accent-gold));
    color: white;
}

.icon-circle-blue {
    background: linear-gradient(135deg, var(--secondary-blue), #0066b2);
    color: white;
}

.icon-circle-success {
    background: var(--gradient-success);
    color: white;
}

/* === ALERT MODERN === */
.alert-modern {
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    border: none;
    box-shadow: var(--shadow-sm);
    animation: slideUp 0.3s ease-out;
}

.alert-success-modern {
    background: linear-gradient(135deg, #d4edda 0%, #c3e6cb 100%);
    color: #155724;
    border-left: 4px solid var(--success-green);
}

.alert-danger-modern {
    background: linear-gradient(135deg, #f8d7da 0%, #f5c6cb 100%);
    color: #721c24;
    border-left: 4px solid var(--danger-red);
}

.alert-info-modern {
    background: linear-gradient(135deg, #d1ecf1 0%, #bee5eb 100%);
    color: #0c5460;
    border-left: 4px solid #17a2b8;
}