:root {
    /* Colores IMATCH - Actualizados según landing page */
    --imatch-green: #2D5016;
    --imatch-lime: #A4C639;
    --imatch-red: #C8102E;
    --imatch-white: #FFFFFF;
    
    /* Colores Light Mode */
    --bg-primary: #FFFFFF;
    --bg-secondary: #F5F5F5;
    --bg-card: #FFFFFF;
    --text-primary: #212529;
    --text-secondary: #6C757D;
    --border-color: #E0E0E0;
    --shadow: rgba(0, 0, 0, 0.1);
    --shadow-hover: rgba(45, 80, 22, 0.15);
    
    /* Colores de estado */
    --success: #A4C639;
    --warning: #FFC107;
    --danger: #C8102E;
    --info: #17A2B8;
}

[data-theme="dark"] {
    /* Colores Dark Mode */
    --bg-primary: #1A1A1A;
    --bg-secondary: #2D2D2D;
    --bg-card: #242424;
    --text-primary: #FFFFFF;
    --text-secondary: #B0B0B0;
    --border-color: #404040;
    --shadow: rgba(255, 255, 255, 0.05);
    --shadow-hover: rgba(255, 255, 255, 0.1);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    transition: background-color 0.3s ease, color 0.3s ease;
    overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    color: var(--text-primary);
}

.text-imatch-green {
    color: var(--imatch-green);
}

.text-imatch-red {
    color: var(--imatch-red);
}

.bg-imatch-green {
    background-color: var(--imatch-green);
}

.bg-imatch-red {
    background-color: var(--imatch-red);
}

/* Buttons */
.btn-imatch-primary {
    background-color: var(--imatch-green);
    color: var(--imatch-white);
    border: none;
    padding: 12px 30px;
    font-weight: 500;
    border-radius: 8px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 6px var(--shadow);
}

.btn-imatch-primary:hover {
    background-color: #234012;
    color: var(--imatch-white);
    transform: translateY(-2px);
    box-shadow: 0 6px 12px var(--shadow-hover);
}

.btn-imatch-secondary {
    background-color: var(--imatch-red);
    color: var(--imatch-white);
    border: none;
    padding: 12px 30px;
    font-weight: 500;
    border-radius: 8px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 6px var(--shadow);
}

.btn-imatch-secondary:hover {
    background-color: #A00D24;
    color: var(--imatch-white);
    transform: translateY(-2px);
    box-shadow: 0 6px 12px var(--shadow-hover);
}

.btn-outline-imatch {
    background-color: transparent;
    color: var(--imatch-green);
    border: 2px solid var(--imatch-green);
    padding: 10px 28px;
    font-weight: 500;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.btn-outline-imatch:hover {
    background-color: var(--imatch-green);
    color: var(--imatch-white);
    transform: translateY(-2px);
}

.btn-imatch-lime {
    background-color: var(--imatch-lime);
    color: var(--imatch-white);
    border: none;
    padding: 12px 30px;
    font-weight: 600;
    border-radius: 8px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 6px var(--shadow);
}

.btn-imatch-lime:hover {
    background-color: #8fb330;
    color: var(--imatch-white);
    transform: translateY(-2px);
    box-shadow: 0 6px 12px var(--shadow-hover);
}

.text-imatch-lime {
    color: var(--imatch-lime);
}

.bg-imatch-lime {
    background-color: var(--imatch-lime);
}

.border-imatch-lime {
    border-color: var(--imatch-lime);
}

/* Cards */
.card-modern {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    box-shadow: 0 2px 8px var(--shadow);
    transition: all 0.3s ease;
    overflow: hidden;
}

.card-modern:hover {
    box-shadow: 0 8px 16px var(--shadow-hover);
    transform: translateY(-4px);
}

.card-header-custom {
    background: linear-gradient(135deg, var(--imatch-green) 0%, #1a3a0f 100%);
    color: var(--imatch-white);
    padding: 20px;
    border: none;
}

/* Navigation */
.navbar-imatch {
    background-color: var(--bg-card);
    box-shadow: 0 2px 10px var(--shadow);
    padding: 15px 0;
    transition: all 0.3s ease;
}

.navbar-brand img {
    height: 50px;
    transition: transform 0.3s ease;
}

.navbar-brand:hover img {
    transform: scale(1.05);
}

.nav-link {
    color: var(--text-primary);
    font-weight: 500;
    padding: 8px 16px;
    margin: 0 5px;
    border-radius: 6px;
    transition: all 0.3s ease;
}

.nav-link:hover {
    background-color: var(--bg-secondary);
    color: var(--imatch-green);
}

.nav-link.active {
    background-color: var(--imatch-green);
    color: var(--imatch-white);
}

/* Theme Toggle */
.theme-toggle {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 25px;
    padding: 8px 16px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
}

.theme-toggle:hover {
    background-color: var(--imatch-green);
    color: var(--imatch-white);
}

/* Forms */
.form-control-modern {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 12px 16px;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.form-control-modern:focus {
    background-color: var(--bg-card);
    border-color: var(--imatch-green);
    box-shadow: 0 0 0 3px rgba(45, 80, 22, 0.1);
    color: var(--text-primary);
}

.form-label-modern {
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 8px;
}

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, var(--imatch-green) 0%, #1a3a0f 100%);
    color: var(--imatch-white);
    padding: 100px 0;
    position: relative;
    overflow: hidden;
}

.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(255,255,255,0.05)" stroke-width="1"/></pattern></defs><rect width="100%" height="100%" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.hero-content {
    position: relative;
    z-index: 1;
}

/* Stats Section */
.stat-card {
    text-align: center;
    padding: 30px;
    background-color: var(--bg-card);
    border-radius: 12px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 16px var(--shadow-hover);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--imatch-green);
}

.stat-label {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-top: 10px;
}

/* Features */
.feature-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--imatch-green) 0%, #1a3a0f 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--imatch-white);
    font-size: 24px;
    margin-bottom: 20px;
}

/* Badge */
.badge-imatch {
    background-color: var(--imatch-green);
    color: var(--imatch-white);
    padding: 6px 12px;
    border-radius: 20px;
    font-weight: 500;
    font-size: 0.85rem;
}

.badge-status-pending {
    background-color: var(--warning);
    color: #000;
}

.badge-status-approved {
    background-color: var(--success);
    color: var(--imatch-white);
}

.badge-status-rejected {
    background-color: var(--danger);
    color: var(--imatch-white);
}

/* Table */
.table-modern {
    background-color: var(--bg-card);
    border-radius: 12px;
    overflow: hidden;
}

.table-modern thead {
    background-color: var(--imatch-green);
    color: var(--imatch-white);
}

.table-modern tbody tr {
    border-bottom: 1px solid var(--border-color);
    transition: background-color 0.3s ease;
}

.table-modern tbody tr:hover {
    background-color: var(--bg-secondary);
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* Responsive */
@media (max-width: 768px) {
    .hero-section {
        padding: 60px 0;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .navbar-imatch {
        padding: 10px 0;
    }
}

/* Utilities */
.shadow-custom {
    box-shadow: 0 4px 12px var(--shadow);
}

.shadow-custom-hover:hover {
    box-shadow: 0 8px 20px var(--shadow-hover);
}

.border-imatch-green {
    border-color: var(--imatch-green) !important;
}

.border-imatch-red {
    border-color: var(--imatch-red) !important;
}

/* Loading Spinner */
.spinner-imatch {
    border: 3px solid var(--border-color);
    border-top: 3px solid var(--imatch-green);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Sidebar */
.sidebar {
    background-color: var(--bg-card);
    border-right: 1px solid var(--border-color);
    min-height: 100vh;
    padding: 20px 0;
    transition: all 0.3s ease;
}

.sidebar-link {
    color: var(--text-primary);
    padding: 12px 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    transition: all 0.3s ease;
    border-left: 3px solid transparent;
}

.sidebar-link:hover {
    background-color: var(--bg-secondary);
    border-left-color: var(--imatch-green);
    text-decoration: none;
}

.sidebar-link.active {
    background-color: rgba(45, 80, 22, 0.1);
    border-left-color: var(--imatch-green);
    color: var(--imatch-green);
    font-weight: 600;
}

/* Footer */
.footer-imatch {
    background-color: var(--bg-card);
    border-top: 1px solid var(--border-color);
    padding: 40px 0 20px;
    margin-top: 60px;
}

.footer-link {
    color: var(--text-secondary);
    transition: color 0.3s ease;
}

.footer-link:hover {
    color: var(--imatch-green);
    text-decoration: none;
}