/* ============================================
   GREENLINK - ESTILO MODERNO Y LIMPIO
   Colores: Verde y Negro
   ============================================ */

/* ============================================
   VARIABLES GLOBALES
   ============================================ */
:root {
    /* Colores principales */
    --primary: #00a651;
    --primary-dark: #008040;
    --primary-light: #33c47a;
    --primary-gradient: linear-gradient(135deg, #00a651 0%, #008040 100%);
    
    /* Fondos */
    --black: #0d0d0d;
    --dark: #1a1a1a;
    --gray-800: #2a2a2a;
    --gray-600: #4a4a4a;
    
    /* Textos */
    --gray-400: #888888;
    --gray-300: #aaaaaa;
    --gray-200: #cccccc;
    --white: #f5f5f5;
    
    /* Sombras y bordes */
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.6);
    --radius: 12px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Fuentes */
    --font: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    --font-mono: 'Monaco', 'Menlo', 'Consolas', monospace;
}

/* ============================================
   RESET Y BASE
   ============================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background: var(--black);
    color: var(--white);
    font-family: var(--font);
    min-height: 100vh;
    line-height: 1.6;
    padding: 0;
}

/* ============================================
   SCROLLBAR
   ============================================ */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}
::-webkit-scrollbar-track {
    background: var(--dark);
}
::-webkit-scrollbar-thumb {
    background: var(--primary);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--primary-dark);
}

/* ============================================
   HEADER / NAVBAR
   ============================================ */
.header {
    background: var(--dark);
    padding: 1rem 2rem;
    border-bottom: 2px solid var(--primary);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.4);
}

.logo {
    color: var(--primary);
    font-size: 1.6rem;
    font-weight: 700;
    letter-spacing: -0.5px;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo-icon {
    font-size: 1.8rem;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.db-size {
    color: var(--gray-400);
    font-size: 0.85rem;
    background: var(--gray-800);
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    white-space: nowrap;
}

/* ============================================
   CONTAINER
   ============================================ */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

/* ============================================
   BOTONES
   ============================================ */
.btn {
    padding: 0.6rem 1.5rem;
    border: none;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    font-family: inherit;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--gray-800);
    color: var(--white);
}

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

.btn-primary {
    background: var(--primary-gradient);
    color: white;
    box-shadow: 0 2px 10px rgba(0, 166, 81, 0.3);
}

.btn-primary:hover {
    box-shadow: 0 4px 20px rgba(0, 166, 81, 0.4);
}

.btn-outline {
    background: transparent;
    color: var(--primary);
    border: 1.5px solid var(--primary);
}

.btn-outline:hover {
    background: var(--primary);
    color: white;
}

.btn-danger {
    background: #dc3545;
    color: white;
}

.btn-danger:hover {
    background: #c82333;
}

.btn-sm {
    padding: 0.3rem 0.8rem;
    font-size: 0.8rem;
}

.btn-block {
    width: 100%;
    justify-content: center;
}

/* ============================================
   TARJETAS (CARDS)
   ============================================ */
.card {
    background: var(--dark);
    border-radius: var(--radius);
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: var(--shadow);
    border: 1px solid var(--gray-800);
    transition: var(--transition);
}

.card:hover {
    border-color: var(--gray-600);
}

.card-title {
    color: var(--primary);
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

/* ============================================
   FORMULARIOS
   ============================================ */
.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    color: var(--gray-200);
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 0.4rem;
}

.form-control {
    width: 100%;
    padding: 0.8rem 1rem;
    background: var(--black);
    border: 1px solid var(--gray-800);
    border-radius: 8px;
    color: var(--white);
    font-size: 1rem;
    transition: var(--transition);
    font-family: inherit;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(0, 166, 81, 0.15);
}

.form-control::placeholder {
    color: var(--gray-400);
}

.form-hint {
    color: var(--gray-400);
    font-size: 0.8rem;
    margin-top: 0.3rem;
}

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

/* ============================================
   ESTADÍSTICAS (GRID)
   ============================================ */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: var(--dark);
    border: 1px solid var(--gray-800);
    border-radius: var(--radius);
    padding: 1.5rem;
    text-align: center;
    transition: var(--transition);
}

.stat-card:hover {
    border-color: var(--primary);
    transform: translateY(-4px);
}

.stat-number {
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--primary);
    letter-spacing: -0.5px;
}

.stat-label {
    color: var(--gray-400);
    font-size: 0.85rem;
    font-weight: 500;
    margin-top: 0.3rem;
}

/* ============================================
   TABLAS
   ============================================ */
.table-wrapper {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

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

thead {
    border-bottom: 2px solid var(--gray-800);
}

th {
    text-align: left;
    padding: 0.8rem 1rem;
    color: var(--gray-400);
    font-weight: 600;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

td {
    padding: 0.8rem 1rem;
    border-bottom: 1px solid var(--gray-800);
    vertical-align: middle;
}

tr:hover td {
    background: rgba(0, 166, 81, 0.04);
}

/* ============================================
   LOGIN
   ============================================ */
.login-container {
    max-width: 400px;
    margin: 4rem auto;
    padding: 0 1rem;
}

.login-box {
    background: var(--dark);
    border-radius: var(--radius);
    padding: 2.5rem;
    box-shadow: var(--shadow);
    border: 1px solid var(--gray-800);
}

.login-title {
    text-align: center;
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 0.5rem;
}

.login-subtitle {
    text-align: center;
    color: var(--gray-400);
    margin-bottom: 2rem;
    font-size: 0.95rem;
}

.login-box .btn {
    width: 100%;
    justify-content: center;
    padding: 0.9rem;
}

.login-footer {
    margin-top: 2rem;
    text-align: center;
    color: var(--gray-400);
    font-size: 0.8rem;
}

.login-footer code {
    background: var(--black);
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    color: var(--primary);
    font-size: 0.8rem;
}

/* ============================================
   ALERTAS
   ============================================ */
.alert {
    padding: 0.8rem 1.2rem;
    border-radius: 8px;
    margin-bottom: 1rem;
    font-weight: 500;
}

.alert-success {
    background: rgba(0, 166, 81, 0.15);
    border: 1px solid var(--primary);
    color: var(--primary);
}

.alert-error {
    background: rgba(220, 53, 69, 0.15);
    border: 1px solid #dc3545;
    color: #dc3545;
}

.alert-info {
    background: rgba(23, 162, 184, 0.15);
    border: 1px solid #17a2b8;
    color: #17a2b8;
}

.alert-warning {
    background: rgba(255, 193, 7, 0.15);
    border: 1px solid #ffc107;
    color: #ffc107;
}

/* ============================================
   ENLACES
   ============================================ */
a {
    color: var(--primary);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--primary-light);
    text-decoration: underline;
}

/* ============================================
   TOGGLE SWITCH (para redirecciones)
   ============================================ */
.toggle-container {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 1.2rem 1.5rem;
    background: var(--gray-800);
    border-radius: var(--radius);
    border: 1px solid var(--gray-600);
    cursor: pointer;
    transition: var(--transition);
    margin-bottom: 1rem;
}

.toggle-container:hover {
    border-color: var(--primary);
}

.toggle-switch {
    position: relative;
    width: 52px;
    height: 28px;
    background: var(--gray-600);
    border-radius: 14px;
    transition: var(--transition);
    flex-shrink: 0;
}

.toggle-switch.active {
    background: var(--primary);
}

.toggle-switch .slider {
    position: absolute;
    top: 3px;
    left: 3px;
    width: 22px;
    height: 22px;
    background: white;
    border-radius: 50%;
    transition: var(--transition);
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.toggle-switch.active .slider {
    left: 27px;
}

.toggle-label {
    font-weight: 500;
    flex: 1;
}

.toggle-desc {
    color: var(--gray-400);
    font-size: 0.85rem;
    display: block;
}

.badge {
    display: inline-block;
    padding: 0.2rem 0.8rem;
    border-radius: 20px;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    flex-shrink: 0;
}

.badge-green {
    background: rgba(0, 166, 81, 0.2);
    color: var(--primary);
}

.badge-gray {
    background: var(--gray-600);
    color: var(--gray-400);
}

.badge-red {
    background: rgba(220, 53, 69, 0.2);
    color: #dc3545;
}

/* ============================================
   CONFIGURACIÓN DE REDIRECCIONES
   ============================================ */
.config-section {
    background: var(--gray-800);
    border-radius: var(--radius);
    padding: 1.5rem;
    margin-top: 0.5rem;
    display: none;
}

.config-section.visible {
    display: block;
}

.config-section .form-group:last-child {
    margin-bottom: 0;
}

/* ============================================
   PREVIEW BOX
   ============================================ */
.preview-box {
    background: var(--black);
    border-radius: var(--radius);
    padding: 1rem;
    margin-top: 1rem;
    display: none;
    border: 1px solid var(--gray-800);
}

.preview-box.visible {
    display: block;
}

.preview-content {
    color: var(--gray-200);
    font-size: 0.95rem;
    padding: 0.5rem;
}

/* ============================================
   CÓDIGO
   ============================================ */
code {
    background: var(--black);
    padding: 0.2rem 0.6rem;
    border-radius: 4px;
    font-size: 0.85rem;
    color: var(--primary-light);
    font-family: var(--font-mono);
}

pre {
    background: var(--black);
    padding: 1rem;
    border-radius: 8px;
    overflow-x: auto;
    margin: 0.5rem 0;
}

/* ============================================
   UTILIDADES
   ============================================ */
.text-center { text-align: center; }
.text-muted { color: var(--gray-400); }
.text-primary { color: var(--primary); }
.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; }
.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }
.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.flex-wrap { flex-wrap: wrap; }
.pulse {
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 768px) {
    .header {
        flex-direction: column;
        align-items: stretch;
        padding: 1rem;
        gap: 0.8rem;
    }

    .header-actions {
        justify-content: space-between;
        flex-wrap: wrap;
    }

    .container {
        padding: 1rem;
    }

    .card {
        padding: 1.2rem;
    }

    .card-title {
        font-size: 1.2rem;
    }

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

    .stat-number {
        font-size: 1.8rem;
    }

    .login-box {
        padding: 1.8rem;
    }

    .login-title {
        font-size: 1.6rem;
    }

    .toggle-container {
        flex-wrap: wrap;
        gap: 0.8rem;
        padding: 1rem;
    }

    .badge {
        margin-left: 0;
    }

    .table-wrapper {
        font-size: 0.8rem;
    }

    th, td {
        padding: 0.5rem 0.6rem;
    }

    .btn {
        padding: 0.5rem 1rem;
        font-size: 0.8rem;
    }
}

@media (max-width: 480px) {
    .stats-grid {
        grid-template-columns: 1fr 1fr;
        gap: 0.8rem;
    }

    .stat-card {
        padding: 1rem;
    }

    .stat-number {
        font-size: 1.4rem;
    }

    .card-title {
        font-size: 1rem;
    }

    .login-title {
        font-size: 1.4rem;
    }

    .header-actions {
        flex-direction: column;
        align-items: stretch;
        gap: 0.5rem;
    }

    .db-size {
        text-align: center;
    }
}