:root {
    --color-bg: #f4f7fa;
    --color-surface: #ffffff;
    --color-text-primary: #1a202c;
    --color-text-secondary: #718096;
    --color-border: #e2e8f0;
    --color-primary: #4a5568;
    --color-warning: #f6ad55;
    --color-danger: #f56565;
    --color-success: #48bb78;
    --shadow: 0 4px 12px rgba(0,0,0,0.08);
    --border-radius: 12px;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background-color: var(--color-bg);
    color: var(--color-text-primary);
    margin: 0;
    padding: 40px 20px;
}

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

.main-header {
    text-align: center;
    margin-bottom: 40px;
    position: relative; /* Necesario para posicionar el botón de logout */
}

.main-header h1 {
    font-size: 2.5em;
    margin: 0;
}

.main-header p {
    font-size: 1.1em;
    color: var(--color-text-secondary);
}

.header-actions {
    position: absolute;
    top: 0;
    right: 0;
    display: flex;
    align-items: center;
    gap: 15px;
    color: var(--color-text-secondary);
    font-size: 0.9em;
}

.btn-logout {
    padding: 8px 16px;
    background-color: var(--color-surface);
    color: var(--color-primary);
    border: 1px solid var(--color-border);
    text-decoration: none;
    font-weight: 500;
}

.server-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 30px;
}

.card {
    background-color: var(--color-surface);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.12);
}

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

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

.server-title {
    display: flex;
    align-items: center;
    gap: 12px;
}

.server-title h3 {
    margin: 0;
    font-size: 1.25em;
    word-break: break-all;
}

.status-indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    flex-shrink: 0;
}

.status-indicator.online { background-color: var(--color-success); }
.status-indicator.warning { background-color: var(--color-warning); }
.status-indicator.offline { background-color: var(--color-danger); }

.status-badge {
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 0.8em;
    font-weight: 500;
    color: #fff;
    flex-shrink: 0;
}

.status-badge.online { background-color: var(--color-success); }
.status-badge.warning { background-color: var(--color-warning); }
.status-badge.offline { background-color: var(--color-danger); }

.card-body {
    flex-grow: 1;
}

.server-info {
    color: var(--color-text-secondary);
    font-size: 0.9em;
    margin: 0 0 15px 0;
}
.server-info span {
    color: var(--color-text-primary);
    font-weight: 500;
}

.note-form {
    display: flex;
}
.note-form input {
    flex-grow: 1;
    border: 1px solid var(--color-border);
    padding: 8px 12px;
    border-radius: 6px 0 0 6px;
    font-size: 0.9em;
    outline: none;
    transition: border-color 0.2s;
}
.note-form input:focus {
    border-color: var(--color-primary);
}
.note-form button {
    padding: 8px 12px;
    border: 1px solid var(--color-primary);
    background-color: var(--color-primary);
    color: white;
    border-radius: 0 6px 6px 0;
    cursor: pointer;
    font-size: 0.9em;
}

.card-footer {
    border-top: 1px solid var(--color-border);
    display: flex;
    gap: 10px;
}
.card-footer form {
    flex: 1;
}
.btn {
    width: 100%;
    padding: 10px;
    font-size: 0.9em;
    font-weight: 500;
    border-radius: 6px;
    border: none;
    cursor: pointer;
    color: #fff;
    transition: opacity 0.2s;
}
.btn:hover {
    opacity: 0.85;
}

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

.empty-state {
    grid-column: 1 / -1; /* Ocupa todo el ancho */
    text-align: center;
    padding: 40px;
    color: var(--color-text-secondary);
}
.actions-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.actions-grid .full-width {
    grid-column: 1 / -1; /* Hace que el elemento ocupe las dos columnas */
}

.btn-secondary {
    background-color: var(--color-primary);
}
/* ... (todo tu CSS anterior) ... */

/* Añadir esto al final del archivo style.css */
.card-section-title {
    padding: 10px 20px 0 20px;
    font-weight: 500;
    color: var(--color-text-secondary);
    font-size: 0.9em;
}

.card-footer.actions-grid {
    border-top: 1px solid var(--color-border);
    padding-top: 15px;
    margin-top: 15px;
}

/* Para el nuevo botón de Backup */
.btn-primary {
    background-color: #3b82f6; /* Un color azul */
}
.btn-icon {
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.2s;
}
.btn-icon:hover {
    background-color: var(--color-border);
}
.btn-icon svg {
    width: 24px;
    height: 24px;
    fill: var(--color-text-secondary);
}

/* Estilos para el 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);
}
.modal-content {
    background-color: #fefefe;
    margin: 8% auto;
    padding: 0;
    border: 1px solid #888;
    width: 80%;
    max-width: 900px;
    border-radius: var(--border-radius);
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
    animation: fadeIn 0.3s;
}
@keyframes fadeIn {
    from {opacity: 0; transform: scale(0.95);}
    to {opacity: 1; transform: scale(1);}
}

.modal-header {
    padding: 15px 20px;
    background-color: var(--color-primary);
    color: white;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-radius: var(--border-radius) var(--border-radius) 0 0;
}
.modal-header h3 {
    margin: 0;
}
.close-btn {
    color: #fff;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    opacity: 0.7;
}
.close-btn:hover {
    opacity: 1;
}

.modal-body {
    padding: 20px;
}

/* Estilos para la tabla de archivos */
.file-table {
    width: 100%;
    border-collapse: collapse;
}
.file-table th, .file-table td {
    border-bottom: 1px solid var(--color-border);
    padding: 12px 15px;
    text-align: left;
}
.file-table th {
    background-color: #f9fafb;
    font-weight: 500;
}
.file-table tr:last-child td {
    border-bottom: none;
}
.file-table .actions-cell {
    display: flex;
    gap: 8px;
}
.btn-action {
    padding: 6px 10px;
    font-size: 0.8em;
    border-radius: 4px;
    border: 1px solid transparent;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
}
.btn-action.download { color: #fff; background-color: var(--color-success); }
.btn-action.rename { color: #fff; background-color: var(--color-warning); }
.btn-action.delete { color: #fff; background-color: var(--color-danger); }