/* style.css - Estilos para el sistema de intercambio de cromos */

/* Reset y variables */
:root {
    --primary-color: #172233;
    --secondary-color: #2563eb;
    --success-color: #22c55e;
    --danger-color: #ef4444;
    --warning-color: #38bdf8;
    --surface: #0f172a;
    --surface-2: #111c2d;
    --surface-3: #18253a;
    --text: #f8fafc;
    --muted: #94a3b8;
    --border: rgba(255,255,255,0.08);
    --shadow: 0 20px 50px rgba(0, 0, 0, 0.34);
}

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

body {
    font-family: Arial, sans-serif;
    min-height: 100vh;
    background:
        radial-gradient(circle at top left, rgba(37, 99, 235, 0.14), transparent 26%),
        linear-gradient(135deg, #060b14 0%, #0d1422 45%, #111c2d 100%);
    color: var(--text);
    line-height: 1.6;
    position: relative;
}

/* Navegación */
.navbar {
    background: rgba(8, 12, 20, 0.92);
    color: white;
    padding: 1rem 0;
    box-shadow: 0 14px 36px rgba(0, 0, 0, 0.28);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--border);
    backdrop-filter: blur(16px);
}

.nav-container {
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 15px;
}

.nav-container h1 {
    font-size: 1.3rem;
    color: white;
}

.nav-menu {
    display: flex;
    gap: 8px;
    align-items: center;
    flex-wrap: wrap;
}

.nav-menu a {
    color: white;
    text-decoration: none;
    padding: 8px 12px;
    border-radius: 999px;
    transition: all 0.3s ease;
    font-size: 0.92rem;
}

.nav-menu a:hover {
    background: rgba(255,255,255,0.16);
    transform: translateY(-1px);
}

.nav-menu a.active {
    background: var(--secondary-color);
    font-weight: 700;
}

.nav-menu span {
    color: rgba(255,255,255,0.9);
    font-size: 0.9rem;
}

.btn-logout {
    background: linear-gradient(135deg, #ef4444, #f87171);
    box-shadow: 0 10px 20px rgba(239, 68, 68, 0.18);
}

.btn-logout:hover {
    background: linear-gradient(135deg, #dc2626, #ef4444) !important;
    transform: translateY(-1px);
}

/* Contenedor principal */
.container {
    max-width: 1240px;
    margin: 30px auto 50px;
    padding: 0 20px;
}

/* Tarjetas */
.card,
.stat-card,
.action-card,
.table-wrap {
    background: linear-gradient(135deg, rgba(207, 203, 181, 0.95), rgba(207, 203, 181, 0.95));
    border-radius: 20px;
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    backdrop-filter: blur(14px);
    color: #000000;
}

.card h3,
.recent-section h3,
.quick-actions h3 {
    margin-bottom: 15px;
    color: #0d0d0e;
    border-bottom: 1px solid rgba(125, 211, 252, 0.18);
    padding-bottom: 10px;
    letter-spacing: 0.3px;
}

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

.stat-card {
    text-align: center;
    color: #000000;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
    background: linear-gradient(135deg, rgba(207, 203, 181, 0.95), rgba(207, 203, 181, 0.95));
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 18px 36px rgba(0,0,0,0.24);
}

.stat-card h3 {
    color: var(--primary-color);
    font-size: 1rem;
    margin-bottom: 10px;
    border: none;
}

.stat-number {
    font-size: 2.4rem;
    font-weight: bold;
    color: var(--secondary-color);
    margin: 10px 0;
}

.stat-link {
    display: inline-block;
    margin-top: 10px;
    color: var(--secondary-color);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 700;
}

.stat-link:hover {
    text-decoration: underline;
}

/* Tablas */
.table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 10px;
}

.table th {
    background: linear-gradient(135deg, #182230, #243447);
    color: white;
    padding: 12px;
    text-align: left;
    font-weight: 600;
}

.table td {
    padding: 10px 12px;
    border-bottom: 1px solid var(--border-color);
}

.table tr:hover {
    background-color: rgba(37, 99, 235, 0.08);
}

.table-responsive {
    overflow-x: auto;
}

/* Estados de intercambio */
.estado-badge {
    display: inline-block;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 0.85rem;
    font-weight: 500;
    text-transform: capitalize;
}

.estado-pendiente {
    background-color: var(--warning-color);
    color: white;
}

.estado-aceptado {
    background-color: var(--secondary-color);
    color: white;
}

.estado-rechazado, .estado-cancelado {
    background-color: var(--danger-color);
    color: white;
}

.estado-envio, .estado-transito {
    background-color: #9b59b6;
    color: white;
}

.estado-recibido {
    background-color: #3498db;
    color: white;
}

.estado-completado {
    background-color: var(--success-color);
    color: white;
}

.estado-disputa {
    background-color: #2563eb;
    color: white;
}

/* Formularios */
.form-group {
    margin-bottom: 15px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
    color: var(--primary-color);
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="password"],
.form-group input[type="number"],
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 1rem;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 2px rgba(52,152,219,0.2);
}

.form-group.checkbox {
    display: flex;
    align-items: center;
}

.form-group.checkbox label {
    margin-bottom: 0;
    margin-left: 5px;
    display: inline;
}

.form-group.checkbox input {
    width: auto;
}

.form-inline {
    display: flex;
    gap: 10px;
    align-items: flex-end;
    flex-wrap: wrap;
}

.form-inline .form-group {
    flex: 1;
    margin-bottom: 0;
}

.radio-group {
    display: flex;
    gap: 20px;
    margin-top: 5px;
}

.radio-group label {
    display: flex;
    align-items: center;
    gap: 5px;
    font-weight: normal;
}

/* Botones */
.btn {
    display: inline-block;
    padding: 10px 18px;
    border: none;
    border-radius: 999px;
    font-size: 0.95rem;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: 0 8px 16px rgba(0,0,0,0.08);
}

.btn-primary {
    background: linear-gradient(135deg, var(--secondary-color), #ffb347);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 18px rgba(0,0,0,0.12);
}

.btn-success {
    background: linear-gradient(135deg, var(--success-color), #3cc96d);
    color: white;
}

.btn-success:hover {
    transform: translateY(-2px);
}

.btn-danger {
    background: linear-gradient(135deg, var(--danger-color), #e85d6a);
    color: white;
}

.btn-danger:hover {
    transform: translateY(-2px);
}

.btn-small {
    padding: 6px 10px;
    font-size: 0.85rem;
    background: var(--primary-color);
    color: white;
    text-decoration: none;
    border-radius: 999px;
    border: none;
    cursor: pointer;
}

.btn-small:hover {
    opacity: 0.95;
    transform: translateY(-1px);
}

.btn-small.btn-danger {
    background: var(--danger-color);
}

/* Alertas */
.alert {
    padding: 15px;
    border-radius: 4px;
    margin-bottom: 20px;
}

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

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

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

.login-container {
    background: white;
    border-radius: 8px;
    padding: 40px;
    width: 100%;
    max-width: 400px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.3);
}

.login-container h1 {
    text-align: center;
    margin-bottom: 30px;
    color: var(--primary-color);
    font-size: 1.8rem;
}

.login-form {
    margin-top: 20px;
}

.register-link {
    text-align: center;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

.register-link a {
    color: var(--secondary-color);
    text-decoration: none;
}

.register-link a:hover {
    text-decoration: underline;
}

/* Tabs */
.tab-nav {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
}

.tab-link {
    padding: 10px 20px;
    background-color: #f8f9fa;
    border: 1px solid var(--border-color);
    border-radius: 4px 4px 0 0;
    text-decoration: none;
    color: var(--primary-color);
}

.tab-link.active {
    background-color: white;
    border-bottom-color: transparent;
    font-weight: bold;
    color: var(--secondary-color);
}

/* Grid de intercambio */
.intercambio-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

/* Mensajes */
.mensajes-container {
    max-height: 400px;
    overflow-y: auto;
    margin-bottom: 20px;
    padding: 10px;
    background-color: #f8f9fa;
    border-radius: 4px;
}

.mensaje {
    margin-bottom: 15px;
    padding: 10px;
    border-radius: 8px;
}

.mensaje-propio {
    background-color: var(--secondary-color);
    color: white;
    margin-left: 20%;
}

.mensaje-otro {
    background-color: #e9ecef;
    margin-right: 20%;
}

.mensaje-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 5px;
    font-size: 0.85rem;
}

.mensaje-propio .mensaje-header {
    color: rgba(255,255,255,0.9);
}

.mensaje-contenido {
    word-wrap: break-word;
}

.mensaje-form {
    display: flex;
    gap: 10px;
}

.mensaje-form textarea {
    flex: 1;
    padding: 10px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    resize: vertical;
}

/* Lista de cromos */
.cromo-list {
    list-style: none;
}

.cromo-list li {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px;
    border-bottom: 1px solid var(--border-color);
}

.cromo-list li:last-child {
    border-bottom: none;
}

.cromo-numero {
    font-weight: bold;
    color: var(--secondary-color);
    min-width: 60px;
}

.cromo-nombre {
    flex: 1;
    margin: 0 10px;
}

.cromo-equipo {
    color: #7f8c8d;
    font-size: 0.9rem;
}

/* Timeline */
.timeline {
    position: relative;
    padding-left: 30px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background-color: var(--secondary-color);
}

.timeline-item {
    position: relative;
    margin-bottom: 20px;
    padding-left: 20px;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -6px;
    top: 5px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: var(--secondary-color);
}

.timeline-date {
    font-size: 0.85rem;
    color: #7f8c8d;
    margin-bottom: 5px;
}

.timeline-content {
    background-color: #f8f9fa;
    padding: 10px;
    border-radius: 4px;
}

.estado-anterior {
    color: var(--warning-color);
}

.estado-nuevo {
    color: var(--success-color);
    font-weight: bold;
}

.timeline-obs {
    margin-top: 5px;
    font-size: 0.9rem;
    color: #7f8c8d;
    font-style: italic;
}

/* Header con acciones */
.header-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    flex-wrap: wrap;
    gap: 15px;
}

/* Filtros */
.filtros {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.filtro-link {
    padding: 5px 10px;
    background-color: #f8f9fa;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    text-decoration: none;
    color: var(--primary-color);
}

.filtro-link:hover {
    background-color: var(--secondary-color);
    color: white;
}

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

/* Acciones rápidas */
.quick-actions {
    margin-top: 30px;
}

.actions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
    margin-top: 15px;
}

.action-card {
    text-decoration: none;
    color: var(--dark-text);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.action-card:hover {
    transform: translateY(-4px);
    border-color: var(--secondary-color);
    box-shadow: 0 14px 32px rgba(0,0,0,0.12);
}

.action-card h4 {
    color: var(--secondary-color);
    margin-bottom: 10px;
}

.action-card p {
    font-size: 0.9rem;
    color: var(--muted-text);
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.5);
}

.modal-content {
    background-color: white;
    margin: 10% auto;
    padding: 30px;
    border-radius: 8px;
    width: 90%;
    max-width: 500px;
    position: relative;
    max-height: 80vh;
    overflow-y: auto;
}

.close {
    position: absolute;
    right: 20px;
    top: 10px;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    color: #7f8c8d;
}

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

/* Vista previa de cromo */
.cromo-preview {
    margin-top: 20px;
    padding: 15px;
    background-color: #f8f9fa;
    border-radius: 4px;
}

.cromo-detalle p {
    margin: 5px 0;
}

/* Detalles de intercambio */
.details-table {
    width: 100%;
}

.details-table th {
    text-align: left;
    width: 120px;
    color: #7f8c8d;
    font-weight: normal;
    padding: 5px 0;
}

.details-table td {
    padding: 5px 0;
}

.observaciones {
    margin-top: 15px;
    padding: 10px;
    background-color: #f8f9fa;
    border-radius: 4px;
}

.action-buttons {
    margin-bottom: 15px;
}

.action-buttons textarea {
    width: 100%;
    margin-bottom: 10px;
    padding: 8px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
}

/* No data */
.no-data {
    text-align: center;
    color: #7f8c8d;
    padding: 30px;
    font-style: italic;
}

/* Responsive */
@media (max-width: 768px) {
    .nav-container {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
    
    .nav-menu {
        flex-wrap: wrap;
        justify-content: flex-start;
    }
    
    .intercambio-grid {
        grid-template-columns: 1fr;
    }
    
    .form-inline {
        flex-direction: column;
    }
    
    .form-inline .form-group {
        width: 100%;
    }
    
    .header-actions {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .actions-grid {
        grid-template-columns: 1fr;
    }
}