/* Importar tipografía moderna (Inter) */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
    /* Paleta Minimalista Moderna (Estilo Tailwind UI) */
    --bg-color: #f8fafc;       /* Fondo general muy claro */
    --surface: #ffffff;        /* Tarjetas blancas puras */
    --text-main: #0f172a;      /* Texto principal casi negro */
    --text-muted: #64748b;     /* Texto secundario gris */
    --primary: #4f46e5;        /* Indigo moderno */
    --primary-hover: #4338ca;  /* Indigo más oscuro */
    --success: #10b981;        /* Verde esmeralda */
    --danger: #ef4444;         /* Rojo suave */
    --border-color: #e2e8f0;   /* Bordes sutiles */
    
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
}

body {
    background-color: var(--bg-color);
    color: var(--text-main);
    font-family: 'Inter', sans-serif;
    -webkit-font-smoothing: antialiased;
}

/* Tarjetas modernas */
.card {
    background-color: var(--surface);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    box-shadow: var(--shadow-sm);
    transition: box-shadow 0.3s ease, transform 0.3s ease;
}

.card:hover {
    box-shadow: var(--shadow-md);
}

/* Botones con microinteracciones */
.btn {
    font-weight: 500;
    border-radius: 8px;
    padding: 10px 20px;
    transition: all 0.2s ease;
    border: none;
}

.btn-primary { background-color: var(--primary); color: white; }
.btn-primary:hover { background-color: var(--primary-hover); transform: translateY(-1px); box-shadow: 0 4px 12px rgba(79, 70, 229, 0.3); }

/* Tablas minimalistas */
.table-custom { width: 100%; border-collapse: separate; border-spacing: 0; }
.table-custom th {
    background-color: var(--surface);
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
    padding: 16px;
    border-bottom: 2px solid var(--border-color);
}
.table-custom td {
    padding: 16px;
    border-bottom: 1px solid var(--border-color);
    vertical-align: middle;
}
.table-custom tbody tr { transition: background-color 0.2s ease; }
.table-custom tbody tr:hover { background-color: #f1f5f9; }

/* Inputs modernos */
.form-control, .form-select {
    border-radius: 8px;
    border: 1px solid var(--border-color);
    padding: 10px 14px;
    transition: all 0.2s;
}
.form-control:focus, .form-select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(79, 70, 229, 0.1);
}

/* Sidebar Links */
.sidebar-link {
    color: var(--text-muted);
    border-radius: 8px;
    margin: 4px 12px;
    padding: 10px 16px;
    font-weight: 500;
    transition: all 0.2s;
    text-decoration: none;
    display: block;
}
.sidebar-link:hover {
    background-color: #eff6ff;
    color: var(--primary);
    transform: translateX(4px);
}