:root {
    --primary-color: #42708C;
    --secondary-color: #629DC1;
    --dark-accent: #4A4970;
    --accent-color: #F25A38;
    --background-color: #F2F2F2;
    --hover-color: #F25A38;
    --text-color: #333333;
    --card-bg: white;
    --gray-100: #f8f9fa;
    --gray-200: #e9ecef;
    --gray-300: #dee2e6;
    --gray-400: #ced4da;
    --gray-500: #adb5bd;
    --gray-600: #6c757d;
    --gray-700: #495057;
    --gray-800: #343a40;
    --gray-900: #212529;
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1);
    --transition: all 0.3s ease;
}

/* Base Styles */
body {
    font-family: 'Inter', sans-serif;
    background-color: var(--background-color);
    color: var(--text-color);
    min-height: 100vh;
    display: flex;
    font-size: 0.825rem;
}

/* Títulos y encabezados */
h1.page-title {
    font-size: 1.20rem !important;
    font-weight: 500 !important;
    color: var(--primary-color);
    margin: 0;
}

h1 {
    font-size: 1.15rem !important;
    font-weight: 700;
}

.page-title {
    color: var(--primary-color);
    font-size: 1.15rem;
    font-weight: 700;
}

/* Sidebar Styles */
.sidebar {
    width: 280px;
    background-color: #2f495a;
    color: white;
    padding: 1.5rem;
    position: fixed;
    height: 100vh;
    left: 0;
    top: 0;
    z-index: 1000;
}

.sidebar-header {
    padding-bottom: 1.5rem;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    margin-bottom: 1.5rem;
}

.sidebar-logo {
    color: white;
    text-decoration: none;
    font-size: 1.125rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.sidebar-brand {
    display: flex;
    justify-content: center;
    align-items: center !important;
    padding: 1rem 0;
}

.sidebar-brand img {
    display: block;
    margin: 0 auto;
}

.nav-section {
    margin-bottom: 2rem;
}

.nav-section-title {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--gray-400);
    margin-bottom: 0.75rem;
}

.nav-items {
    list-style: none;
    padding: 0;
    margin: 0;
}

.nav-item {
    margin-bottom: 0.5rem;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    color: var(--gray-200);
    text-decoration: none;
    border-radius: 0.5rem;
    transition: var(--transition);
}

.nav-link:focus, 
.nav-link:hover {
    color: white !important;
    background-color: rgba(255, 255, 255, 0.1);
    transition: var(--transition);
}

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

.sidebar .nav-link.active[href*="upload"] {
    background-color: var(--accent-color) !important;
    color: white !important;
}

/* Botones de acción */
.btn-group {
    display: flex;
    gap: 5px !important;
}

.btn-group .btn {
    border-radius: 3px !important;
    margin: 0 !important;
    border: none !important;
    padding: 0.2rem 0.25rem !important;
    font-size: 0.7rem !important;
    line-height: 1 !important;
    min-width: auto !important;
    width: auto !important;
}

.btn-group .btn i {
    font-size: 0.65rem !important;
    margin: 0 !important;
    padding: 0 !important;
}

.btn-group .btn-primary {
    background-color: var(--accent-color) !important;
    color: white !important;
}

.btn-group .btn-primary:hover {
    background-color: var(--dark-accent) !important;
}

/* Botón de búsqueda */
.btn[name="search"] {
    transition: background-color 0.3s ease;
    background-color: var(--accent-color);
    color: white;
    border: none;
}

.btn[name="search"]:hover {
    background-color: var(--dark-accent);
    transform: translateY(-1px);
}

/* Botón de reproducción */
.btn[name="play"] {
    background-color: var(--accent-color);
    color: white;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    cursor: pointer;
    transition: var(--transition);
}

.btn[name="play"]:hover {
    background-color: var(--dark-accent);
    transform: translateY(-1px);
}

/* Iconos de acción en la tabla */
.btn-info-custom {
    background-color: #629dc1 !important;
    border: none !important;
    color: white !important;
    box-shadow: none !important;
    outline: none !important;
}

.btn-download-custom {
    background-color: #4a4970 !important;
    border: none !important;
    color: white !important;
    box-shadow: none !important;
    outline: none !important;
}

.btn-info-custom:hover, .btn-info-custom:focus, .btn-info-custom:active {
    background-color: #5589aa !important;
    border: none !important;
    box-shadow: none !important;
    outline: none !important;
}

.btn-download-custom:hover, .btn-download-custom:focus, .btn-download-custom:active {
    background-color: #3d3c5c !important;
    border: none !important;
    box-shadow: none !important;
    outline: none !important;
}

/* Login Button Styles */
.btn-login {
    background-color: #F25A38 !important;
    color: #ffffff !important;
    font-size: 0.8rem !important;
    font-weight: 300 !important;
    padding: 0.5rem 1.5rem !important;
    border: none !important;
    border-radius: 4px !important;
    width: 100% !important;
    transition: all 0.2s ease-in-out !important;
}

.btn-login:hover {
    background-color: #e04b2a !important;
    transform: translateY(-1px);
}

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

/* Main Content */
.main-content {
    flex: 1;
    margin-left: 280px;
    padding: 2rem;
}

/* Stats Overview */
.stats-overview {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

/* Cards y contenedores */
.card {
    border: 1px solid rgba(66, 112, 140, 0.1);
    border-radius: 8px;
    box-shadow: none;
    background-color: white;
}

.card-body {
    padding: 1.25rem;
}

/* Cajas de estadísticas */
.stats-card {
    background: var(--card-bg);
    border: 1px solid rgba(66, 112, 140, 0.1);
    border-radius: 8px;
    padding: 1.25rem;
    box-shadow: none;
}

.chart-card {
    border: 1px solid rgba(66, 112, 140, 0.1);
    border-radius: 8px;
    box-shadow: none;
    margin-bottom: 1.5rem;
}

.stats-icon {
    width: 48px;
    height: 48px;
    background-color: var(--secondary-color);
    color: white;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 0.8rem;
}

.stats-title {
    font-size: 0.75rem;
    color: var(--gray-600);
    margin-bottom: 0.1rem;
}

.stats-value {
    font-size: 1.85rem;
    font-weight: 500;
    color: var(--gray-900);
    margin-bottom: 0.1rem;
}

.stats-trend {
    font-size: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.stats-trend.positive {
    color: var(--secondary-color);
}

.stats-trend.negative {
    color: var(--accent-color);
}

/* Stats Filters */
.stats-filters {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.filter-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    color: #42708C !important;
    text-decoration: none !important;
    border-radius: 4px;
    transition: all 0.2s ease;
    font-weight: 500;
}

.filter-item:hover {
    color: #F25A38 !important;
    background-color: rgba(242, 90, 56, 0.1);
}

.filter-item.active {
    color: #F25A38 !important;
    background-color: rgba(242, 90, 56, 0.1);
    font-weight: 600;
}

.filter-item i {
    font-size: 0.9rem;
}

/* Charts */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 1.5rem;
    margin-bottom: 0.8rem;
}

.chart-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.chart-title {
    font-size: 1rem;
    font-weight: 500;
    color:#42708C;
    margin: 0;
}

.chart-legend {
    display: flex;
    gap: 1rem;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.75rem;
    color:#42708C;
}

.legend-color {
    width: 12px;
    height: 12px;
    border-radius: 3px;
    color:#42708C;
}

.chart-container {
    height: 300px;
}

/* Tabla de estadísticas */
.stats-table {
    width: 100%;
    margin-bottom: 0;
}

.stats-table th {
    font-weight: 500;
    color: #42708C;
    border-bottom: 1px solid rgba(66, 112, 140, 0.1);
    padding: 1rem 1.25rem;
    background-color: rgba(66, 112, 140, 0.02);
}

.stats-table td {
    padding: 1rem 1.25rem;
    vertical-align: middle;
    color: var(--text-color);
    border-bottom: 1px solid rgba(66, 112, 140, 0.1);
}

.stats-table .badge {
    font-weight: 500;
    padding: 0.4rem 0.8rem;
    border-radius: 6px;
}

.stats-table .badge.bg-success {
    background-color: #F25A38 !important;
}

.stats-table .progress {
    background-color: rgba(66, 112, 140, 0.1);
    border-radius: 6px;
    height: 6px;
}

.stats-table .progress-bar {
    background-color: #42708C !important;
}

.stats-table tbody tr:hover {
    background-color: rgba(66, 112, 140, 0.02);
}

/* Estados y badges */
.badge-success {
    background-color: var(--secondary-color);
    color: white;
}

/* Unificación de bordes y espaciados */
.card, .stats-card, .chart-card, .table-responsive {
    border: 1px solid rgba(66, 112, 140, 0.1);
    border-radius: 8px;
    box-shadow: none;
}

.table-responsive {
    border-radius: 8px;
    overflow: hidden;
}

/* Estilos para el perfil */
.account-info label {
    font-size: 0.875rem;
    color: var(--gray-600);
}

.account-info p {
    margin-bottom: 1rem;
}

.form-control {
    border: 1px solid rgba(66, 112, 140, 0.1);
    padding: 0.5rem 0.75rem;
    font-size: 0.9rem;
    border-radius: 6px;
}

.form-control:focus {
    border-color: rgba(66, 112, 140, 0.2);
    box-shadow: 0 0 0 0.2rem rgba(66, 112, 140, 0.1);
}

.input-group .btn-outline-secondary {
    border: 1px solid rgba(66, 112, 140, 0.1);
    color: #42708C;
}

.input-group .btn-outline-secondary:hover {
    background-color: rgba(66, 112, 140, 0.1);
    color: #42708C;
    border-color: rgba(66, 112, 140, 0.2);
}

.form-label {
    color: #42708C;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

/* Ajustes para el diseño responsive */
@media (max-width: 768px) {
    .row.g-4 {
        margin: 0;
    }
    
    .col-md-8, .col-md-4 {
        padding: 0 0.8rem;
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .sidebar {
        width: 100%;
        height: auto;
        position: relative;
    }

    .main-content {
        margin-left: 0;
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }

    .stats-filters {
        flex-wrap: wrap;
    }
}