/* SAPO - Estilos basados en RANA - Tema Negro/Verde Elegante */

:root {
    /* Colores principales */
    --primary-dark: #1a1a1a;          /* Negro carbón */
    --primary-green: #10b981;         /* Verde esmeralda */
    --primary-green-dark: #0ea575;    /* Verde esmeralda oscuro */
    --primary-green-light: #34d399;   /* Verde esmeralda claro */

    /* Colores secundarios */
    --secondary-dark: #2d2d2d;        /* Gris oscuro */
    --secondary-medium: #404040;       /* Gris medio */
    --secondary-light: #f3f4f6;       /* Gris claro */

    /* Estados - Unificados con tema verde/negro */
    --danger: #2d2d2d;           /* Gris oscuro en lugar de rojo */
    --warning: #404040;           /* Gris medio en lugar de naranja */
    --success: #10b981;           /* Verde esmeralda */
    --info: #10b981;              /* Verde esmeralda en lugar de azul */

    /* Sombras */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);

    /* Bordes */
    --border-color: #e5e7eb;
    --border-radius: 0.5rem;
}

/* Reset y base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: linear-gradient(135deg, #fafafa 0%, #e5e5e5 100%);
    min-height: 100vh;
    padding: 20px;
    color: #1f2937;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
}

/* Header - Estilo RANA con negro/verde */
.header {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--secondary-dark) 100%);
    border: none;
    border-bottom: 3px solid var(--primary-green);
    border-radius: var(--border-radius);
    padding: 30px;
    margin-bottom: 30px;
    text-align: center;
    box-shadow: var(--shadow-lg);
    animation: fadeIn 0.3s ease-out;
}

.header h1 {
    font-size: 2.5em;
    margin-bottom: 10px;
    color: #ffffff !important;
    font-weight: 700;
    letter-spacing: 0.5px;
}

.header .subtitle {
    color: rgba(255, 255, 255, 0.85);
    font-size: 1.1em;
    margin-top: 5px;
    font-weight: 400;
}

/* Cards */
.card {
    background: white;
    border: none;
    border-radius: var(--border-radius);
    padding: 30px;
    margin-bottom: 20px;
    box-shadow: var(--shadow-sm);
    transition: transform 0.3s, box-shadow 0.3s;
    animation: fadeIn 0.3s ease-out;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* Títulos */
h1, h2, h3, h4, h5, h6 {
    color: var(--primary-dark);
    font-weight: 700;
}

h2 {
    margin-bottom: 1.5rem;
    font-size: 1.75rem;
}

h3 {
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

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

label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--primary-dark);
}

label small {
    font-weight: normal;
    color: #666;
}

input[type="text"],
input[type="password"],
input[type="email"],
input[type="number"],
input[type="url"],
textarea,
select {
    width: 100%;
    padding: 0.625rem 0.875rem;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 15px;
    transition: all 0.2s;
    background: white;
}

input[type="text"]:focus,
input[type="password"]:focus,
input[type="email"]:focus,
input[type="number"]:focus,
input[type="url"]:focus,
textarea:focus,
select:focus {
    outline: none;
    border-color: var(--primary-green);
    box-shadow: 0 0 0 0.2rem rgba(16, 185, 129, 0.15);
}

select {
    cursor: pointer;
}

textarea {
    resize: vertical;
    min-height: 100px;
}

/* Botones - Estilo RANA */
.btn {
    padding: 0.5rem 1.25rem;
    border: none;
    border-radius: var(--border-radius);
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    display: inline-block;
    text-decoration: none;
    text-align: center;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-green) 0%, var(--primary-green-dark) 100%);
    color: white;
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-green-dark) 0%, var(--primary-green) 100%);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background-color: var(--secondary-medium);
    color: white;
}

.btn-secondary:hover {
    background-color: var(--secondary-dark);
    transform: translateY(-2px);
}

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

.btn-success:hover {
    background-color: var(--primary-green-dark);
    transform: translateY(-2px);
}

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

.btn-danger:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
}

.btn-warning {
    background: linear-gradient(135deg, var(--primary-green-light) 0%, var(--primary-green) 100%);
    color: white;
}

.btn-warning:hover {
    background: linear-gradient(135deg, var(--primary-green) 0%, var(--primary-green-dark) 100%);
    transform: translateY(-2px);
}

.btn-info {
    background-color: var(--info);
    color: white;
}

.btn-info:hover {
    background-color: #2563eb;
    transform: translateY(-2px);
}

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

.btn:disabled:hover {
    transform: none;
}

.btn-icon {
    margin-right: 5px;
}

/* Alerts - Estilo RANA */
.alert {
    padding: 15px 20px;
    border-radius: var(--border-radius);
    margin-bottom: 20px;
    border: none;
    box-shadow: var(--shadow-sm);
    animation: fadeIn 0.3s ease-out;
}

.alert-success {
    background-color: rgba(16, 185, 129, 0.1);
    color: var(--primary-green-dark);
    border-left: 4px solid var(--primary-green);
}

.alert-error {
    background-color: rgba(45, 45, 45, 0.08);
    color: var(--primary-dark);
    border-left: 4px solid var(--secondary-dark);
}

.alert-warning {
    background-color: rgba(16, 185, 129, 0.08);
    color: var(--secondary-dark);
    border-left: 4px solid var(--primary-green-light);
}

.alert-info {
    background-color: rgba(16, 185, 129, 0.1);
    color: var(--primary-green-dark);
    border-left: 4px solid var(--primary-green);
}

/* Tabs/Pestañas */
.tabs {
    display: flex;
    gap: 5px;
    margin-bottom: 20px;
    border-bottom: 2px solid var(--border-color);
}

.tab {
    padding: 12px 24px;
    border: none;
    background: transparent;
    cursor: pointer;
    font-size: 16px;
    font-weight: 500;
    color: var(--secondary-medium);
    border-bottom: 3px solid transparent;
    transition: all 0.2s;
    position: relative;
    bottom: -2px;
}

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

.tab.active {
    color: var(--primary-green);
    border-bottom-color: var(--primary-green);
}

/* Tabs container - para user.php */
.tabs-container {
    margin-bottom: 30px;
}

.tabs-header {
    display: flex;
    border-bottom: 2px solid var(--border-color);
    gap: 0;
    flex-wrap: wrap;
    margin-bottom: 0;
}

.tab-button {
    background: transparent;
    border: none;
    padding: 12px 24px;
    font-size: 16px;
    font-weight: 500;
    color: var(--secondary-medium);
    cursor: pointer;
    transition: all 0.2s;
    border-bottom: 3px solid transparent;
    margin-bottom: -2px;
    position: relative;
}

.tab-button:hover {
    color: var(--primary-green);
    background: rgba(16, 185, 129, 0.05);
}

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

.tabs-content {
    background: white;
    border: 1px solid var(--border-color);
    border-top: none;
    border-radius: 0 0 var(--border-radius) var(--border-radius);
    padding: 30px;
}

.tab-panel {
    display: none;
}

.tab-panel.active {
    display: block;
}

/* Navegación */
.nav-buttons {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    flex-wrap: wrap;
    gap: 15px;
}

/* Listas de podcasts */
.podcast-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.podcast-item {
    border: 1px solid var(--border-color);
    border-left: 3px solid transparent;
    border-radius: var(--border-radius);
    padding: 15px;
    background: white;
    transition: all 0.3s;
}

.podcast-item:hover {
    border-left-color: var(--primary-green);
    transform: translateX(5px);
    box-shadow: var(--shadow-md);
}

/* Fondos de color según estado del podcast */
.podcast-item-recent {
    background: rgba(16, 185, 129, 0.08);
    border-left-color: #10b981;
}

.podcast-item-recent:hover {
    background: rgba(16, 185, 129, 0.15);
}

.podcast-item-old {
    background: rgba(245, 158, 11, 0.08);
    border-left-color: #f59e0b;
}

.podcast-item-old:hover {
    background: rgba(245, 158, 11, 0.15);
}

.podcast-item-inactive {
    background: rgba(239, 68, 68, 0.08);
    border-left-color: #ef4444;
}

.podcast-item-inactive:hover {
    background: rgba(239, 68, 68, 0.15);
}

.podcast-item-unknown {
    background: rgba(156, 163, 175, 0.08);
    border-left-color: #9ca3af;
}

.podcast-item-unknown:hover {
    background: rgba(156, 163, 175, 0.15);
}

.podcast-info {
    margin-bottom: 10px;
}

.podcast-info strong {
    color: var(--primary-dark);
    font-size: 1.1em;
}

.podcast-info small {
    color: #666;
    display: block;
    margin-top: 5px;
}

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

/* Estados de feed - Unificados con tema verde/negro */
.status-active {
    background: rgba(16, 185, 129, 0.15);
    color: var(--primary-green-dark);
    padding: 4px 12px;
    border-radius: 4px;
    font-size: 14px;
    font-weight: 600;
    border: 1px solid var(--primary-green);
}

.status-inactive {
    background: rgba(45, 45, 45, 0.1);
    color: var(--primary-dark);
    padding: 4px 12px;
    border-radius: 4px;
    font-size: 14px;
    font-weight: 600;
    border: 1px solid var(--secondary-medium);
}

.status-poco-activo {
    background: rgba(16, 185, 129, 0.08);
    color: var(--secondary-dark);
    padding: 4px 12px;
    border-radius: 4px;
    font-size: 14px;
    font-weight: 600;
    border: 1px solid var(--secondary-medium);
}

.status-unknown {
    background: var(--secondary-light);
    color: var(--secondary-medium);
    padding: 4px 12px;
    border-radius: 4px;
    font-size: 14px;
    font-weight: 600;
    border: 1px solid var(--border-color);
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.5);
    animation: fadeIn 0.2s ease-out;
}

.modal-content {
    background-color: #fefefe;
    margin: 8% auto;
    padding: 0;
    border: none;
    border-radius: var(--border-radius);
    width: 90%;
    max-width: 600px;
    box-shadow: var(--shadow-xl);
    animation: slideDown 0.3s ease-out;
}

@keyframes slideDown {
    from {
        transform: translateY(-50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.modal-content h3 {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--secondary-dark) 100%);
    color: white;
    padding: 25px 30px;
    margin: 0;
    border-radius: var(--border-radius) var(--border-radius) 0 0;
    border-bottom: 2px solid var(--primary-green);
}

.modal-content > div {
    padding: 30px;
}

.modal-content form {
    margin-top: 0 !important;
}

.modal-content .form-group {
    margin-bottom: 25px;
}

.modal-content .form-group:last-child {
    margin-bottom: 0;
}

.modal-content input[type="text"],
.modal-content input[type="password"],
.modal-content input[type="email"],
.modal-content input[type="number"],
.modal-content input[type="url"],
.modal-content select,
.modal-content textarea {
    width: 100%;
    max-width: 100%;
}

.modal-content label {
    display: block;
    margin-bottom: 10px;
    font-weight: 600;
    color: var(--primary-dark);
}

.modal-content h4 {
    color: var(--primary-dark);
    margin-bottom: 15px;
    margin-top: 0;
}

.close {
    color: white;
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    transition: color 0.2s;
}

.close:hover,
.close:focus {
    color: var(--primary-green-light);
}

/* Tabla */
table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
}

table thead {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--secondary-dark) 100%);
    color: white;
}

table thead th {
    padding: 15px;
    text-align: left;
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.875rem;
    letter-spacing: 0.5px;
}

table tbody td {
    padding: 12px 15px;
    border-bottom: 1px solid var(--border-color);
}

table tbody tr {
    transition: background-color 0.2s;
}

table tbody tr:hover {
    background-color: rgba(16, 185, 129, 0.05);
}

/* Paginación */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    margin: 30px 0;
    flex-wrap: wrap;
}

.pagination a,
.pagination span {
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--primary-dark);
    text-decoration: none;
    transition: all 0.2s;
}

.pagination a:hover {
    background: var(--primary-green);
    color: white;
    border-color: var(--primary-green);
}

.pagination .active {
    background: var(--primary-green);
    color: white;
    border-color: var(--primary-green);
}

/* Loading spinner */
.loading {
    text-align: center;
    padding: 40px;
    color: var(--secondary-medium);
}

.loading::after {
    content: '';
    display: inline-block;
    width: 40px;
    height: 40px;
    border: 4px solid var(--border-color);
    border-radius: 50%;
    border-top-color: var(--primary-green);
    animation: spin 0.8s linear infinite;
}

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

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

/* Scrollbar personalizada */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: var(--primary-green);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-green-dark);
}

/* Responsive */
@media (max-width: 768px) {
    body {
        padding: 10px;
    }

    .header h1 {
        font-size: 2rem;
    }

    .header .subtitle {
        font-size: 1rem;
    }

    .card {
        padding: 20px;
    }

    .nav-buttons {
        flex-direction: column;
        align-items: stretch;
    }

    .tabs {
        flex-wrap: wrap;
    }

    .tab {
        flex: 1;
        min-width: 100px;
        text-align: center;
    }

    .podcast-actions {
        flex-direction: column;
    }

    .podcast-actions .btn {
        width: 100%;
    }

    table {
        font-size: 14px;
    }

    table thead th,
    table tbody td {
        padding: 10px 8px;
    }
}

/* Accesibilidad */
.btn:focus,
input:focus,
select:focus,
textarea:focus {
    outline: 2px solid var(--primary-green);
    outline-offset: 2px;
}

/* Estados especiales */
.text-muted {
    color: #6c757d;
}

.text-success {
    color: var(--success);
}

.text-danger {
    color: var(--danger);
}

.text-warning {
    color: var(--warning);
}

.text-info {
    color: var(--info);
}

/* Utilidades */
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.text-center { text-align: center; }