:root {
    --primary-color: #9b59b6;
    --secondary-color: #e91e63;
    --accent-color: #f06292;
    --white: #ffffff;
    --light-bg: #f8f9fa;
    --text-dark: #333333;
    --text-light: #666666;
    --border-color: #e0e0e0;
    --shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 4px 20px rgba(0, 0, 0, 0.15);
}

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

body {
    font-family: 'Roboto', 'Open Sans', sans-serif;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    color: var(--text-dark);
    line-height: 1.6;
}

/* Login Page */
.login-page {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
}

.login-container {
    width: 100%;
    max-width: 400px;
    padding: 20px;
}

.login-box {
    background: var(--white);
    padding: 40px;
    border-radius: 15px;
    box-shadow: var(--shadow-hover);
}

.login-title {
    font-family: 'Open Sans', sans-serif;
    font-size: 2rem;
    font-weight: 700;
    text-align: center;
    color: var(--primary-color);
    margin-bottom: 30px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-dark);
    font-weight: 500;
}

.form-group input,
.form-input,
.filter-input {
    width: 100%;
    padding: 12px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-input:focus,
.filter-input:focus {
    outline: none;
    border-color: var(--primary-color);
}

.btn-login,
.btn-primary {
    width: 100%;
    padding: 12px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: var(--white);
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
}

.btn-login:hover,
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

.error-message {
    color: #e74c3c;
    margin-top: 10px;
    text-align: center;
    display: none;
}

.error-message.show {
    display: block;
}

/* Navbar */
.navbar {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: var(--white);
    padding: 15px 0;
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
}

.nav-title {
    font-family: 'Open Sans', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
}

.nav-actions {
    display: flex;
    gap: 10px;
    align-items: center;
    flex-wrap: wrap;
}

.user-info {
    padding: 8px 15px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 20px;
    font-size: 0.9rem;
}

.btn-secondary,
.btn-logout {
    padding: 8px 20px;
    border: none;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.2);
    color: var(--white);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.3);
}

.btn-logout {
    background: rgba(255, 255, 255, 0.9);
    color: var(--primary-color);
}

.btn-logout:hover {
    background: var(--white);
}

/* Filters */
.filters-container {
    background: var(--white);
    padding: 20px;
    margin: 20px auto;
    max-width: 1400px;
    border-radius: 10px;
    box-shadow: var(--shadow);
}

.filters {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
    align-items: end;
}

.filter-group {
    display: flex;
    flex-direction: column;
    min-width: 150px;
}

.filter-group label {
    margin-bottom: 5px;
    font-size: 0.9rem;
    color: var(--text-light);
    font-weight: 500;
}

/* Dashboard */
.dashboard-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
}

.dashboard-section {
    background: var(--white);
    padding: 30px;
    margin-bottom: 30px;
    border-radius: 15px;
    box-shadow: var(--shadow);
}

.section-title {
    font-family: 'Open Sans', sans-serif;
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 25px;
    padding-bottom: 10px;
    border-bottom: 3px solid var(--accent-color);
}

/* Cards */
.cards-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.card {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: var(--white);
    padding: 25px;
    border-radius: 12px;
    box-shadow: var(--shadow);
    transition: transform 0.3s, box-shadow 0.3s;
}

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

.card h3 {
    font-size: 1rem;
    font-weight: 500;
    margin-bottom: 10px;
    opacity: 0.9;
}

.card-value {
    font-size: 2rem;
    font-weight: 700;
    font-family: 'Open Sans', sans-serif;
}

/* Charts */
.charts-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
    gap: 30px;
    margin-top: 30px;
}

.chart-box {
    background: var(--light-bg);
    padding: 20px;
    border-radius: 12px;
    box-shadow: var(--shadow);
}

.chart-box-full-width {
    margin-top: 30px;
    width: 100%;
}

.chart-box h3 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 20px;
    text-align: center;
}

.chart-box canvas {
    max-height: 400px;
}

/* Grid para gráficos segmentados de cobranza por campaña */
.cobranza-programas-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-top: 20px;
}

.cobranza-programa-chart {
    background: #f8f9fa;
    padding: 20px;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.cobranza-programa-chart h4 {
    margin-bottom: 15px;
    color: #9b59b6;
    font-size: 16px;
    font-weight: 700;
    padding-bottom: 10px;
    border-bottom: 2px solid #e91e63;
}

.cobranza-programa-chart canvas {
    max-height: 300px;
}

/* Grid para gráficos segmentados de redes sociales */
.redes-plataformas-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.redes-plataforma-chart {
    background: #f8f9fa;
    padding: 20px;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.redes-plataforma-chart h4 {
    margin-bottom: 15px;
    color: #9b59b6;
    font-size: 16px;
    font-weight: 700;
    padding-bottom: 10px;
    border-bottom: 2px solid #e91e63;
    text-align: center;
}

/* Grid para gráficos segmentados de comunicación */
.comunicacion-tipos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.comunicacion-tipo-chart {
    background: #f8f9fa;
    padding: 20px;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.comunicacion-tipo-chart h4 {
    margin-bottom: 15px;
    color: #9b59b6;
    font-size: 16px;
    font-weight: 700;
    padding-bottom: 10px;
    border-bottom: 2px solid #e91e63;
    text-align: center;
}

/* Grid para gráficos de top videos */
.top-videos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.top-videos-platform-chart {
    background: #f8f9fa;
    padding: 20px;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.top-videos-platform-chart h4 {
    margin-bottom: 15px;
    color: #9b59b6;
    font-size: 16px;
    font-weight: 700;
    padding-bottom: 10px;
    border-bottom: 2px solid #e91e63;
    text-align: center;
}

/* Responsive para los grids */
@media (max-width: 1200px) {
    .cobranza-programas-grid,
    .redes-plataformas-grid,
    .comunicacion-tipos-grid,
    .top-videos-grid {
        grid-template-columns: 1fr;
    }
}


/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    overflow: auto;
}

.modal-content {
    background-color: var(--white);
    margin: 5% auto;
    padding: 30px;
    border-radius: 15px;
    width: 90%;
    max-width: 600px;
    box-shadow: var(--shadow-hover);
    position: relative;
}

.modal-large {
    max-width: 1200px;
}

.close {
    color: var(--text-light);
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    position: absolute;
    right: 20px;
    top: 20px;
}

.close:hover {
    color: var(--primary-color);
}

.modal-content h2 {
    color: var(--primary-color);
    margin-bottom: 20px;
    font-family: 'Open Sans', sans-serif;
}

/* Detail Tabs */
.detail-tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
    border-bottom: 2px solid var(--border-color);
}

.tab-btn {
    padding: 10px 20px;
    background: none;
    border: none;
    border-bottom: 3px solid transparent;
    cursor: pointer;
    font-size: 1rem;
    color: var(--text-light);
    transition: all 0.3s;
}

.tab-btn.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
    font-weight: 600;
}

.tab-btn:hover {
    color: var(--primary-color);
}

/* Detail Table */
.detail-content {
    max-height: 500px;
    overflow-y: auto;
    margin-bottom: 20px;
}

.detail-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

.detail-table th,
.detail-table td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.detail-table th {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: var(--white);
    font-weight: 600;
    position: sticky;
    top: 0;
}

.detail-table tr:hover {
    background: var(--light-bg);
}

.modal-actions {
    display: flex;
    gap: 10px;
    justify-content: flex-end;
    margin-top: 20px;
}

.message {
    margin-top: 15px;
    padding: 10px;
    border-radius: 8px;
    display: none;
}

.message.success {
    background: #d4edda;
    color: #155724;
    display: block;
}

.message.error {
    background: #f8d7da;
    color: #721c24;
    display: block;
}

/* Loading Indicator */
.loading-indicator {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--white);
    padding: 30px 50px;
    border-radius: 15px;
    box-shadow: var(--shadow-hover);
    z-index: 3000;
    text-align: center;
}

.loading-spinner {
    border: 4px solid var(--light-bg);
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    width: 50px;
    height: 50px;
    animation: spin 1s linear infinite;
    margin: 0 auto 20px;
}

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

.loading-indicator p {
    color: var(--primary-color);
    font-weight: 500;
    margin: 0;
}

.no-data-message {
    text-align: center;
    padding: 40px;
    color: var(--text-light);
    font-style: italic;
    background: var(--light-bg);
    border-radius: 8px;
    margin: 20px 0;
}

/* Responsive */
@media (max-width: 768px) {
    .charts-container {
        grid-template-columns: 1fr;
    }
    
    .nav-container {
        flex-direction: column;
    }
    
    .filters {
        flex-direction: column;
    }
    
    .filter-group {
        width: 100%;
    }
}