/* ============================================
   Variables y Reset
   ============================================ */
:root {
    --color-primario: #164E7E;
    --color-secundario: #05B3EB;
    --color-acento-1: #f5d600;
    --color-acento-2: #d71918;
    --color-texto: #333333;
    --color-texto-claro: #666666;
    --color-fondo: #f5f7fa;
    --color-blanco: #ffffff;
    --color-borde: #e0e0e0;
    --color-exito: #28a745;
    --color-error: #dc3545;
    --fuente-principal: 'Manrope', sans-serif;
    --sombra-card: 0 2px 8px rgba(0, 0, 0, 0.1);
    --sombra-hover: 0 4px 16px rgba(0, 0, 0, 0.15);
    --border-radius: 12px;
    --transition: all 0.3s ease;
}

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

body {
    font-family: var(--fuente-principal);
    color: var(--color-texto);
    background-color: var(--color-fondo);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ============================================
   Páginas de Autenticación
   ============================================ */
.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    background: linear-gradient(135deg, var(--color-primario) 0%, var(--color-secundario) 100%);
}

.auth-container {
    width: 100%;
    max-width: 500px;
}

.auth-card {
    background: var(--color-blanco);
    border-radius: var(--border-radius);
    padding: 40px;
    box-shadow: var(--sombra-card);
    animation: fadeInUp 0.5s ease;
}

.registro-card {
    max-width: 700px;
    margin: 0 auto;
}

.auth-logo {
    text-align: center;
}

.auth-logo img {
    max-width: 120px;
    height: auto;
    margin-bottom: 15px;
}

.auth-logo h1 {
    font-size: 28px;
    font-weight: 700;
    color: var(--color-primario);
}

.auth-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--color-primario);
    text-align: center;
    margin-bottom: 10px;
}

.auth-subtitle {
    font-size: 14px;
    color: var(--color-texto-claro);
    text-align: center;
    margin-bottom: 30px;
}

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

.auth-footer {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid var(--color-borde);
}

.auth-footer p {
    font-size: 14px;
    color: var(--color-texto-claro);
}

.auth-footer a {
    color: var(--color-primario);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}

.auth-footer a:hover {
    color: var(--color-secundario);
}

.referido-info {
    background: linear-gradient(135deg, var(--color-acento-1) 0%, #ffd700 100%);
    padding: 15px;
    border-radius: var(--border-radius);
    margin-bottom: 25px;
    text-align: center;
}

.referido-info p {
    margin: 0;
    font-size: 14px;
    color: var(--color-primario);
}

.referido-info strong {
    font-weight: 700;
}

/* ============================================
   Formularios
   ============================================ */
.form-group {
    margin-bottom: 20px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--color-texto);
    margin-bottom: 8px;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 12px 15px;
    font-size: 14px;
    font-family: var(--fuente-principal);
    border: 2px solid var(--color-borde);
    border-radius: 8px;
    transition: var(--transition);
    background-color: var(--color-blanco);
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--color-secundario);
    box-shadow: 0 0 0 3px rgba(5, 179, 235, 0.1);
}

.form-group input:disabled,
.form-group select:disabled {
    background-color: #f0f0f0;
    cursor: not-allowed;
}

.checkbox-label {
    display: flex;
    align-items: center;
    cursor: pointer;
    user-select: none;
}

.checkbox-label input[type="checkbox"] {
    width: auto;
    margin-right: 10px;
    cursor: pointer;
}

.checkbox-label span {
    font-size: 14px;
    font-weight: 500;
}

/* ============================================
   Botones
   ============================================ */
.btn {
    display: inline-block;
    padding: 12px 24px;
    font-size: 14px;
    font-weight: 600;
    font-family: var(--fuente-principal);
    text-align: center;
    text-decoration: none;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primario) 0%, var(--color-secundario) 100%);
    color: var(--color-blanco);
}

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

.btn-secondary {
    background-color: var(--color-secundario);
    color: var(--color-blanco);
}

.btn-secondary:hover {
    background-color: #0499d1;
    transform: translateY(-2px);
}

.btn-success {
    background-color: var(--color-exito);
    color: var(--color-blanco);
}

.btn-success:hover {
    background-color: #218838;
    transform: translateY(-2px);
}

.btn-outline {
    background-color: transparent;
    color: var(--color-primario);
    border: 2px solid var(--color-primario);
}

.btn-outline:hover {
    background-color: var(--color-primario);
    color: var(--color-blanco);
}

.btn-danger {
    background-color: var(--color-acento-2);
    color: var(--color-blanco);
}

.btn-danger:hover {
    background-color: #c41717;
}

.btn-block {
    width: 100%;
    display: block;
}

.btn-sm {
    padding: 8px 16px;
    font-size: 13px;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* ============================================
   Mensajes
   ============================================ */
.mensaje-error,
.mensaje-exito {
    padding: 12px 15px;
    border-radius: 8px;
    margin-bottom: 20px;
    font-size: 14px;
    font-weight: 500;
    animation: slideDown 0.3s ease;
}

.mensaje-error {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.mensaje-exito {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

/* ============================================
   Loading Overlay
   ============================================ */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(22, 78, 126, 0.95);
    display: none;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    z-index: 9999;
}

.loading-overlay.active {
    display: flex;
}

.loading-spinner {
    width: 60px;
    height: 60px;
    border: 4px solid rgba(255, 255, 255, 0.3);
    border-top-color: var(--color-acento-1);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.loading-overlay p {
    color: var(--color-blanco);
    font-size: 16px;
    font-weight: 600;
    margin-top: 20px;
}

/* ============================================
   Dashboard
   ============================================ */
.dashboard-page {
    min-height: 100vh;
    background-color: var(--color-fondo);
}

.dashboard-header {
    background: linear-gradient(135deg, var(--color-primario) 0%, var(--color-secundario) 100%);
    color: var(--color-blanco);
    padding: 20px 0;
    box-shadow: var(--sombra-card);
    position: sticky;
    top: 0;
    z-index: 100;
}

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

.header-welcome h1 {
    font-size: 24px;
    font-weight: 700;
    margin: 0;
}

.header-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.dashboard-main {
    padding: 30px 0;
}

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

.dashboard-logo {
    text-align: center;
    margin-bottom: 40px;
}

.dashboard-logo img {
    max-width: 150px;
    height: auto;
    margin-bottom: 15px;
}

.dashboard-logo h2 {
    font-size: 32px;
    font-weight: 700;
    color: var(--color-primario);
}

/* ============================================
   Estadísticas
   ============================================ */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 40px;
}

.stat-card {
    background: var(--color-blanco);
    border-radius: var(--border-radius);
    padding: 25px;
    box-shadow: var(--sombra-card);
    display: flex;
    align-items: center;
    gap: 20px;
    transition: var(--transition);
}

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

.stat-icon {
    width: 60px;
    height: 60px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    flex-shrink: 0;
}

.stat-info h3 {
    font-size: 32px;
    font-weight: 700;
    color: var(--color-primario);
    margin: 0;
}

.stat-info p {
    font-size: 14px;
    color: var(--color-texto-claro);
    margin: 5px 0 0 0;
}

/* ============================================
   Gráficas
   ============================================ */
.chart-container {
    background: var(--color-blanco);
    border-radius: var(--border-radius);
    padding: 30px;
    box-shadow: var(--sombra-card);
    margin-bottom: 40px;
}

.chart-container h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--color-primario);
    margin-bottom: 25px;
}

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

/* ============================================
   Tablas
   ============================================ */
.table-container {
    background: var(--color-blanco);
    border-radius: var(--border-radius);
    padding: 30px;
    box-shadow: var(--sombra-card);
    margin-bottom: 40px;
}

.table-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
    flex-wrap: wrap;
    gap: 15px;
}

.table-header h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--color-primario);
    margin: 0;
}

.table-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.input-search {
    padding: 10px 15px;
    font-size: 14px;
    font-family: var(--fuente-principal);
    border: 2px solid var(--color-borde);
    border-radius: 8px;
    transition: var(--transition);
    min-width: 250px;
}

.input-search:focus {
    outline: none;
    border-color: var(--color-secundario);
}

.table-responsive {
    overflow-x: auto;
    margin-bottom: 20px;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

.data-table thead {
    background-color: var(--color-primario);
    color: var(--color-blanco);
}

.data-table th {
    padding: 15px 12px;
    text-align: left;
    font-weight: 600;
    white-space: nowrap;
}

.data-table tbody tr {
    border-bottom: 1px solid var(--color-borde);
    transition: var(--transition);
}

.data-table tbody tr:hover {
    background-color: #f8f9fa;
}

.data-table td {
    padding: 15px 12px;
}

.data-table .text-center {
    text-align: center;
}

.data-table .btn-sm {
    padding: 6px 12px;
    font-size: 12px;
    margin-right: 5px;
}

/* ============================================
   Paginación
   ============================================ */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.pagination button {
    padding: 8px 12px;
    font-size: 14px;
    font-weight: 600;
    font-family: var(--fuente-principal);
    border: 2px solid var(--color-borde);
    border-radius: 8px;
    background-color: var(--color-blanco);
    color: var(--color-texto);
    cursor: pointer;
    transition: var(--transition);
}

.pagination button:hover:not(:disabled) {
    border-color: var(--color-secundario);
    color: var(--color-secundario);
}

.pagination button.active {
    background-color: var(--color-primario);
    color: var(--color-blanco);
    border-color: var(--color-primario);
}

.pagination button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ============================================
   Footer Actions
   ============================================ */
.dashboard-footer-actions {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
    margin-bottom: 40px;
}

.link-referido-container {
    background: var(--color-blanco);
    border-radius: var(--border-radius);
    padding: 25px;
    box-shadow: var(--sombra-card);
}

.link-referido-container label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--color-texto);
    margin-bottom: 10px;
}

.link-input-group {
    display: flex;
    gap: 10px;
}

.link-input-group input {
    flex: 1;
    padding: 12px 15px;
    font-size: 14px;
    font-family: var(--fuente-principal);
    border: 2px solid var(--color-borde);
    border-radius: 8px;
    background-color: #f8f9fa;
}

.action-buttons {
    display: flex;
    gap: 15px;
    justify-content: center;
    flex-wrap: wrap;
}

/* ============================================
   Modales
   ============================================ */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.6);
    z-index: 1000;
    overflow-y: auto;
    padding: 20px;
}

.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background: var(--color-blanco);
    border-radius: var(--border-radius);
    max-width: 700px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    animation: fadeInUp 0.3s ease;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 25px 30px;
    border-bottom: 1px solid var(--color-borde);
}

.modal-header h3 {
    font-size: 22px;
    font-weight: 700;
    color: var(--color-primario);
    margin: 0;
}

.modal-close {
    background: none;
    border: none;
    font-size: 32px;
    color: var(--color-texto-claro);
    cursor: pointer;
    transition: var(--transition);
    line-height: 1;
}

.modal-close:hover {
    color: var(--color-acento-2);
}

.modal-body {
    padding: 30px;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    padding-top: 20px;
    border-top: 1px solid var(--color-borde);
    margin-top: 20px;
}

.info-text {
    font-size: 16px;
    font-weight: 600;
    color: var(--color-primario);
}

/* ============================================
   Animaciones
   ============================================ */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 768px) {
    .auth-card {
        padding: 30px 20px;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .header-content {
        flex-direction: column;
        align-items: flex-start;
    }

    .header-welcome h1 {
        font-size: 20px;
    }

    .header-actions {
        width: 100%;
        justify-content: flex-start;
    }

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

    .table-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .table-actions {
        width: 100%;
    }

    .input-search {
        width: 100%;
        min-width: auto;
    }

    .data-table {
        font-size: 12px;
    }

    .data-table th,
    .data-table td {
        padding: 10px 8px;
    }

    .link-input-group {
        flex-direction: column;
    }

    .action-buttons {
        flex-direction: column;
    }

    .action-buttons .btn {
        width: 100%;
    }

    .modal-content {
        margin: 20px 0;
    }

    .modal-header,
    .modal-body {
        padding: 20px;
    }
}

@media (max-width: 480px) {
    .auth-logo h1 {
        font-size: 24px;
    }

    .auth-title {
        font-size: 20px;
    }

    .dashboard-logo h2 {
        font-size: 24px;
    }

    .stat-card {
        padding: 20px;
    }

    .stat-icon {
        width: 50px;
        height: 50px;
        font-size: 24px;
    }

    .stat-info h3 {
        font-size: 24px;
    }

    .chart-container,
    .table-container {
        padding: 20px;
    }
}

/* ============================================
   Utilidades
   ============================================ */
.text-center {
    text-align: center;
}

.text-right {
    text-align: right;
}

.mt-10 {
    margin-top: 10px;
}

.mt-20 {
    margin-top: 20px;
}

.mb-10 {
    margin-bottom: 10px;
}

.mb-20 {
    margin-bottom: 20px;
}

/* ============================================
   PWA - Instalación
   ============================================ */
.pwa-install-prompt {
    position: fixed;
    bottom: 20px;
    left: 20px;
    right: 20px;
    background: var(--color-blanco);
    padding: 20px;
    border-radius: var(--border-radius);
    box-shadow: var(--sombra-hover);
    display: none;
    z-index: 999;
    animation: slideUp 0.3s ease;
}

.pwa-install-prompt.active {
    display: block;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ============================================
   Offline Message
   ============================================ */
.offline-message {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--color-primario);
    display: none;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    z-index: 10000;
    color: var(--color-blanco);
    text-align: center;
    padding: 20px;
}

.offline-message.active {
    display: flex;
}

.offline-message h2 {
    font-size: 28px;
    margin-bottom: 15px;
}

.offline-message p {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.9);
}