/**
 * ESTILOS PRINCIPALES DEL ERP ARROBA MEJORADO
 * Sistema de diseño profesional, moderno y completamente responsivo
 */

:root {
    --primary-blue: #2c3e50;
    --secondary-blue: #34495e;
    --accent-blue: #3498db;
    --success-green: #27ae60;
    --warning-orange: #e67e22;
    --danger-red: #e74c3c;
    --neutral-gray: #f8f9fa;
    --card-white: #ffffff;
    --text-dark: #2c3e50;
    --text-muted: #7f8c8d;
    --border-light: #ecf0f1;
    
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 8px rgba(0,0,0,0.08);
    --shadow-lg: 0 8px 16px rgba(0,0,0,0.12);
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--neutral-gray);
    color: var(--text-dark);
    line-height: 1.6;
}

/* Botones */
.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: all 0.3s ease;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-blue), var(--primary-blue));
    color: white;
}

.btn-secondary {
    background: var(--neutral-gray);
    color: var(--text-dark);
    border: 1px solid var(--border-light);
}

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

/* Tablas */
.table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    border-radius: 8px;
    overflow: hidden;
}

.table thead {
    background: var(--primary-blue);
    color: white;
}

.table th {
    padding: 12px;
    text-align: left;
    font-weight: 600;
}

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

.table tr:hover {
    background: var(--neutral-gray);
}

/* Formularios */
.form-control {
    width: 100%;
    padding: 12px;
    border: 2px solid var(--border-light);
    border-radius: 8px;
    font-size: 14px;
}

.form-control:focus {
    outline: none;
    border-color: var(--accent-blue);
}

@media (max-width: 768px) {
    .btn {
        padding: 10px 18px;
        font-size: 13px;
    }
}