/* ==========================================================================
   DISEÑO PREMIUM Y SISTEMA DE ESTILOS - RECONOCIMIENTOS 2026 (7MA EDICIÓN)
   Inspirado en la estética oficial: Púrpuras, azules, verdes y dorados.
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Montserrat:wght@400;600;700;800&display=swap');

:root {
    --bg-dark: #070314;
    --bg-card: rgba(255, 255, 255, 0.04);
    --bg-card-hover: rgba(255, 255, 255, 0.08);
    --border-color: rgba(255, 255, 255, 0.1);
    --border-hover: rgba(255, 255, 255, 0.25);
    
    /* Paleta del afiche oficial */
    --primary: #8a2be2;      /* Púrpura */
    --primary-light: #a855f7;
    --secondary: #00c9a7;    /* Verde/Teal */
    --accent: #ffb703;       /* Dorado */
    --blue-accent: #007aff;  /* Azul brillante */
    
    --text-main: #f3f4f6;
    --text-muted: #9ca3af;
    --text-error: #ff4a5a;
    --text-success: #10b981;
    
    --font-sans: 'Inter', sans-serif;
    --font-heading: 'Montserrat', sans-serif;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    background-color: var(--bg-dark);
    background-image: url('../img/fondo.png');
    background-size: cover;
    background-position: center center;
    background-repeat: no-repeat;
    background-attachment: fixed;
    color: var(--text-main);
    font-family: var(--font-sans);
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
}

/* Overlay oscuro sobre la imagen de fondo para mejorar legibilidad */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(7, 3, 20, 0.65);
    z-index: 0;
    pointer-events: none;
}

/* Todo el contenido encima del overlay */
body > * {
    position: relative;
    z-index: 1;
}

/* Contenedor Principal */
.app-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 20px;
}

/* Header Institucional */
.header {
    text-align: center;
    margin-bottom: 50px;
}

.header .instituciones {
    font-family: var(--font-heading);
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--text-muted);
    margin-bottom: 15px;
    background: linear-gradient(90deg, var(--text-muted), var(--text-main), var(--text-muted));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.header .title-badge {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(138, 43, 226, 0.15);
    border: 1px solid rgba(138, 43, 226, 0.3);
    border-radius: 50px;
    font-size: 14px;
    font-weight: 700;
    color: var(--primary-light);
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.header h1 {
    font-family: var(--font-heading);
    font-size: clamp(28px, 4vw, 42px);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 15px;
}

.header h1 span.edition {
    background: linear-gradient(135deg, var(--accent) 0%, #fff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.header h1 span.gradient-text {
    background: linear-gradient(135deg, #fff 30%, var(--primary-light) 70%, var(--secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.header p.subtitle {
    color: var(--text-muted);
    font-size: 17px;
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.6;
}

/* Sección de Requisitos / Flyer Informativo */
.info-section {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
    margin-bottom: 40px;
}

@media (min-width: 768px) {
    .info-section {
        grid-template-columns: 1fr 1fr;
    }
}

.glass-card {
    background: rgba(10, 6, 30, 0.85);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 24px;
    padding: 30px;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    transition: var(--transition);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
}

.glass-card:hover {
    border-color: var(--border-hover);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.criteria-card h3 {
    font-family: var(--font-heading);
    color: var(--accent);
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 20px;
}

.criteria-card p {
    font-size: 15px;
    line-height: 1.7;
    color: var(--text-main);
    margin-bottom: 15px;
}

.criteria-card .badge-required {
    display: inline-block;
    padding: 8px 16px;
    background: rgba(255, 183, 3, 0.1);
    border: 1px solid var(--accent);
    color: var(--accent);
    border-radius: 8px;
    font-weight: 700;
    font-size: 14px;
}

.disciplines-card h3 {
    font-family: var(--font-heading);
    color: var(--secondary);
    margin-bottom: 15px;
    font-size: 20px;
}

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

.discipline-item {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 12px;
    border-radius: 12px;
    font-size: 14px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 10px;
}

.discipline-item i {
    color: var(--secondary);
}

/* Indicador de Pasos del Formulario */
.steps-indicator {
    display: flex;
    justify-content: space-between;
    margin-bottom: 40px;
    position: relative;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.steps-indicator::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 3px;
    background: rgba(255, 255, 255, 0.05);
    z-index: 1;
    transform: translateY(-50%);
}

.steps-progress {
    position: absolute;
    top: 50%;
    left: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    z-index: 1;
    transform: translateY(-50%);
    width: 0%;
    transition: var(--transition);
}

.step-node {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--bg-dark);
    border: 3px solid rgba(255, 255, 255, 0.1);
    color: var(--text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 14px;
    z-index: 2;
    transition: var(--transition);
    position: relative;
}

.step-node.active {
    border-color: var(--primary-light);
    color: #fff;
    box-shadow: 0 0 15px rgba(168, 85, 247, 0.5);
    background: var(--primary);
}

.step-node.completed {
    border-color: var(--secondary);
    color: #fff;
    background: var(--secondary);
}

.step-node .step-label {
    position: absolute;
    top: 45px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    white-space: nowrap;
    color: var(--text-muted);
}

.step-node.active .step-label {
    color: var(--primary-light);
}

.step-node.completed .step-label {
    color: var(--secondary);
}

/* Tarjeta del Formulario Principal */
.form-card {
    max-width: 800px;
    margin: 0 auto;
}

.form-step {
    display: none;
    animation: fadeIn 0.4s ease-in-out forwards;
}

.form-step.active {
    display: block;
}

.form-card h2 {
    font-family: var(--font-heading);
    font-size: 22px;
    margin-bottom: 25px;
    color: #fff;
    border-left: 4px solid var(--primary-light);
    padding-left: 12px;
}

/* Inputs y Form Group */
.form-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}

@media (min-width: 600px) {
    .form-grid.grid-2 {
        grid-template-columns: 1fr 1fr;
    }
}

.form-group {
    display: flex;
    flex-direction: column;
    position: relative;
}

.form-group label {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-muted);
    margin-bottom: 8px;
    letter-spacing: 0.5px;
}

.form-group input, .form-group select {
    background: rgba(10, 6, 30, 0.7);
    border: 1.5px solid rgba(255, 255, 255, 0.15);
    border-radius: 12px;
    padding: 14px 16px;
    color: #fff;
    font-family: var(--font-sans);
    font-size: 15px;
    transition: var(--transition);
    outline: none;
    width: 100%;
}

.form-group input:focus, .form-group select:focus {
    border-color: var(--primary-light);
    background: rgba(10, 6, 30, 0.85);
    box-shadow: 0 0 12px rgba(168, 85, 247, 0.25);
}

/* Opciones del Select (desplegable nativo del navegador) */
.form-group select option,
.filters-wrapper select option {
    background: #1a1430;
    color: #f3f4f6;
    padding: 10px;
}

.form-group select option:checked,
.filters-wrapper select option:checked {
    background: #8a2be2;
    color: #fff;
}

.form-group select option[disabled],
.filters-wrapper select option[disabled] {
    color: #666;
}

/* Validaciones y Errores */
.form-group.error input, .form-group.error select {
    border-color: var(--text-error);
    box-shadow: 0 0 10px rgba(255, 74, 90, 0.1);
}

.form-group .error-message {
    color: var(--text-error);
    font-size: 12px;
    margin-top: 5px;
    display: none;
    font-weight: 500;
}

.form-group.error .error-message {
    display: block;
}

/* Área de Subida de Archivo (Drag and Drop) */
.upload-container {
    border: 2px dashed rgba(255, 255, 255, 0.2);
    border-radius: 16px;
    padding: 40px 20px;
    text-align: center;
    background: rgba(10, 6, 30, 0.6);
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.upload-container:hover, .upload-container.drag-over {
    border-color: var(--secondary);
    background: rgba(0, 201, 167, 0.08);
}

.upload-container.drag-over {
    transform: scale(1.01);
}

.upload-icon {
    font-size: 48px;
    color: var(--text-muted);
    margin-bottom: 15px;
    transition: var(--transition);
}

.upload-container:hover .upload-icon, .upload-container.drag-over .upload-icon {
    color: var(--secondary);
    transform: translateY(-5px);
}

.upload-text {
    font-size: 15px;
    color: var(--text-main);
    margin-bottom: 8px;
    font-weight: 500;
}

.upload-subtext {
    font-size: 12px;
    color: var(--text-muted);
}

.file-input {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
}

/* Previsualización del archivo cargado */
.file-preview {
    display: none;
    margin-top: 20px;
    padding: 15px;
    background: rgba(10, 6, 30, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    align-items: center;
    justify-content: space-between;
}

.file-preview.active {
    display: flex;
}

.file-info {
    display: flex;
    align-items: center;
    gap: 12px;
    text-align: left;
}

.file-info i {
    font-size: 24px;
    color: var(--text-error);
}

.file-name {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-main);
    max-width: 250px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.file-size {
    font-size: 12px;
    color: var(--text-muted);
}

.file-remove {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 18px;
    transition: var(--transition);
}

.file-remove:hover {
    color: var(--text-error);
}

/* Confirmación de Datos */
.summary-container {
    background: rgba(10, 6, 30, 0.7);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 16px;
    padding: 25px;
    margin-bottom: 25px;
}

.summary-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.summary-item {
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
    padding-bottom: 10px;
}

.summary-item.full-width {
    grid-column: span 2;
}

.summary-label {
    font-size: 11px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 4px;
}

.summary-value {
    font-size: 15px;
    font-weight: 600;
    color: #fff;
}

/* Sworn Declaration Checkbox */
.sworn-declaration {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-top: 15px;
}

.sworn-declaration input[type="checkbox"] {
    width: 20px;
    height: 20px;
    accent-color: var(--primary);
    cursor: pointer;
    margin-top: 2px;
}

.sworn-declaration label {
    font-size: 13px;
    color: var(--text-muted);
    line-height: 1.5;
    cursor: pointer;
}

/* Botones de Navegación */
.navigation-buttons {
    display: flex;
    justify-content: space-between;
    margin-top: 40px;
    gap: 20px;
}

.btn {
    font-family: var(--font-heading);
    font-size: 14px;
    font-weight: 700;
    padding: 14px 28px;
    border-radius: 12px;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 10px;
    border: none;
    outline: none;
}

.btn-secondary {
    background: transparent;
    border: 1.5px solid var(--border-color);
    color: var(--text-main);
}

.btn-secondary:hover {
    border-color: var(--border-hover);
    background: rgba(255, 255, 255, 0.02);
}

.btn-secondary:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    color: #fff;
    box-shadow: 0 4px 15px rgba(138, 43, 226, 0.3);
    margin-left: auto;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(138, 43, 226, 0.5);
}

.btn-success {
    background: linear-gradient(135deg, var(--secondary) 0%, #009e82 100%);
    color: #fff;
    box-shadow: 0 4px 15px rgba(0, 201, 167, 0.3);
    margin-left: auto;
}

.btn-success:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 201, 167, 0.5);
}

/* Loader animado */
.spinner {
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: #fff;
    animation: spin 1s ease-in-out infinite;
    display: none;
}

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

/* Modales e Indicadores de Estado */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(7, 3, 20, 0.85);
    backdrop-filter: blur(8px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 100;
    opacity: 0;
    transition: opacity 0.3s ease;
    padding: 20px;
}

.modal-overlay.active {
    display: flex;
    opacity: 1;
}

.modal-content {
    background: rgba(15, 11, 36, 0.95);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 24px;
    padding: 40px;
    max-width: 450px;
    width: 100%;
    text-align: center;
    transform: translateY(20px);
    transition: transform 0.3s ease;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

.modal-overlay.active .modal-content {
    transform: translateY(0);
}

.modal-icon {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    margin: 0 auto 20px auto;
}

.modal-icon.success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--text-success);
    border: 1.5px solid var(--text-success);
}

.modal-icon.error {
    background: rgba(255, 74, 90, 0.1);
    color: var(--text-error);
    border: 1.5px solid var(--text-error);
}

.modal-content h3 {
    font-family: var(--font-heading);
    font-size: 22px;
    margin-bottom: 12px;
}

.modal-content p {
    color: var(--text-muted);
    font-size: 15px;
    line-height: 1.6;
    margin-bottom: 25px;
}

/* Keyframes de Animación */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ==========================================================================
   INTERFAZ DE ADMINISTRACIÓN
   ========================================================================== */

/* Login Admin */
.login-container {
    min-height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.login-card {
    max-width: 400px;
    width: 100%;
}

.login-card h2 {
    font-family: var(--font-heading);
    text-align: center;
    margin-bottom: 30px;
    font-size: 26px;
}

/* Dashboard de Admin */
.admin-navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 20px;
}

.admin-navbar h1 {
    font-family: var(--font-heading);
    font-size: 22px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.admin-navbar .user-info {
    display: flex;
    align-items: center;
    gap: 15px;
    font-size: 14px;
}

/* Tarjetas de Estadísticas (Stats) */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
    margin-bottom: 40px;
}

.stat-card {
    background: rgba(10, 6, 30, 0.85);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 16px;
    padding: 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.stat-info h4 {
    font-size: 12px;
    text-transform: uppercase;
    color: var(--text-muted);
    letter-spacing: 0.5px;
    margin-bottom: 5px;
}

.stat-info .stat-value {
    font-size: 28px;
    font-weight: 700;
    font-family: var(--font-heading);
}

.stat-icon {
    width: 45px;
    height: 45px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
}

.stat-card:nth-child(1) .stat-icon { background: rgba(138, 43, 226, 0.1); color: var(--primary-light); }
.stat-card:nth-child(2) .stat-icon { background: rgba(0, 201, 167, 0.1); color: var(--secondary); }
.stat-card:nth-child(3) .stat-icon { background: rgba(255, 183, 3, 0.1); color: var(--accent); }
.stat-card:nth-child(4) .stat-icon { background: rgba(0, 122, 255, 0.1); color: var(--blue-accent); }

/* Filtros y Buscador */
.table-controls {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 20px;
    justify-content: space-between;
    align-items: center;
}

.search-wrapper {
    position: relative;
    max-width: 350px;
    width: 100%;
}

.search-wrapper i {
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
}

.search-wrapper input {
    padding-left: 45px !important;
}

.filters-wrapper {
    display: flex;
    gap: 10px;
}

.filters-wrapper select {
    background: rgba(10, 6, 30, 0.85);
    border: 1px solid rgba(255, 255, 255, 0.15);
    padding: 10px 15px;
    border-radius: 10px;
    color: #fff;
    outline: none;
    font-family: var(--font-sans);
    cursor: pointer;
}

/* Tabla de Postulados */
.table-container {
    overflow-x: auto;
    background: rgba(10, 6, 30, 0.85);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 16px;
    margin-bottom: 30px;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
}

.admin-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    font-size: 14px;
}

.admin-table th {
    background: rgba(255, 255, 255, 0.02);
    border-bottom: 1px solid var(--border-color);
    padding: 16px 20px;
    font-weight: 600;
    color: var(--text-muted);
}

.admin-table td {
    padding: 16px 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
    vertical-align: middle;
}

.admin-table tr:last-child td {
    border-bottom: none;
}

.admin-table tr:hover td {
    background: rgba(255, 255, 255, 0.01);
}

.artist-name {
    font-weight: 600;
    color: #fff;
}

.badge-status {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 30px;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
}

.badge-status.pendiente { background: rgba(255, 183, 3, 0.1); color: var(--accent); }
.badge-status.aprobado { background: rgba(16, 185, 129, 0.1); color: var(--text-success); }
.badge-status.rechazado { background: rgba(255, 74, 90, 0.1); color: var(--text-error); }

.action-buttons {
    display: flex;
    gap: 8px;
}

.btn-icon {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(255, 255, 255, 0.15);
    background: rgba(10, 6, 30, 0.6);
    color: var(--text-main);
    cursor: pointer;
    transition: var(--transition);
}

.btn-icon:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-hover);
    color: #fff;
}

.btn-icon.view:hover { color: var(--blue-accent); border-color: rgba(0, 122, 255, 0.4); }
.btn-icon.download-btn:hover { color: var(--secondary); border-color: rgba(0, 201, 167, 0.4); }

/* Modal de Detalles del Postulado */
.detail-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 15px;
    text-align: left;
    margin-bottom: 25px;
}

@media (min-width: 500px) {
    .detail-grid {
        grid-template-columns: 1fr 1fr;
    }
}

.detail-item {
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    padding-bottom: 8px;
}

.detail-item.full {
    grid-column: span 2;
}

.detail-label {
    font-size: 11px;
    color: var(--text-muted);
    text-transform: uppercase;
}

.detail-value {
    font-size: 14px;
    font-weight: 600;
    color: #fff;
    margin-top: 3px;
}

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

/* Pie de Página */
.footer {
    text-align: center;
    margin-top: 60px;
    color: var(--text-muted);
    font-size: 13px;
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    padding-top: 25px;
    background: rgba(10, 6, 30, 0.6);
    padding: 25px;
    border-radius: 16px 16px 0 0;
}
.footer p { margin-bottom: 8px; }
.footer .brand-logos {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 30px;
    margin-top: 15px;
    opacity: 0.6;
    flex-wrap: wrap;
}
.footer .brand-logos span {
    font-weight: 700;
    font-size: 14px;
    color: #fff;
}