/* ==========================================
   ÍNDICE CSS
   1. Variables
   2. Reset y Tipografía Global
   3. Estilos de Layout (Vistas principales)
   4. Componentes (Botones, Tarjetas, Inputs, Tablas, Badges)
   5. Modales
   6. Elementos Globales (Loader, Toasts)
   7. Responsivo
========================================== */

/* --- 1. Variables --- */
:root {
    --primary: #d4af37;
    --primary-hover: #b5952f;
    --success: #10b981;
    --danger: #ef4444;
    --bg-main: #121212;
    --bg-card: #1e1e1e;
    --bg-input: #2a2a2a;
    --text-main: #f3f4f6;
    --text-muted: #9ca3af;
    --border: #333333;
}

/* --- 2. Reset y Tipografía Global --- */
body { 
    font-family: 'Segoe UI', system-ui, sans-serif; 
    background-color: var(--bg-main); 
    margin: 0; 
    padding: 0; 
    color: var(--text-main); 
}
h1, h2, h3, h4 { margin-top: 0; color: var(--text-main); }

/* --- 3. Estilos de Layout --- */
.dashboard-container { display: none; }

.login-container { 
    display: flex; height: 100vh; align-items: center; 
    justify-content: center; background-color: var(--bg-main); 
}

.navbar { 
    background-color: var(--bg-card); 
    border-bottom: 1px solid var(--border);
    padding: 15px 5%; 
    display: flex; justify-content: space-between; align-items: center; 
    position: sticky; top: 0; z-index: 100;
}
.navbar h1 { margin: 0; font-size: 1.4rem; letter-spacing: 1px; color: var(--primary); }
.nav-actions { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }

.container { 
    max-width: 1200px; margin: 30px auto; padding: 0 20px; 
    display: flex; flex-wrap: wrap; gap: 25px; 
}
.col-left { flex: 1; min-width: 300px; }
.col-right { flex: 2; min-width: 300px; }

/* --- 4. Componentes --- */
.login-box { 
    background: var(--bg-card); padding: 40px; border-radius: 8px; 
    border: 1px solid var(--border); width: 100%; max-width: 350px; 
    text-align: center; box-shadow: 0 10px 25px rgba(0,0,0,0.5); 
}
.login-box h2 { color: var(--primary); margin-bottom: 5px; font-size: 1.8rem; }
.login-box p { color: var(--text-muted); margin-bottom: 25px; font-size: 0.9rem; }
.login-box input { margin-bottom: 15px; }

.btn-submit { 
    background-color: var(--primary); color: var(--bg-main); 
    border: none; padding: 12px 20px; border-radius: 4px; 
    font-weight: 600; cursor: pointer; transition: 0.2s; 
    text-transform: uppercase; letter-spacing: 0.5px; width: 100%; 
}
.btn-submit:hover { background-color: var(--primary-hover); }

.btn-cancel { 
    background-color: transparent; color: var(--text-main); 
    border: 1px solid var(--border); padding: 12px 20px; 
    border-radius: 4px; cursor: pointer; transition: 0.2s; 
    font-weight: 600; font-size: 0.85rem; text-transform: uppercase;
}
.btn-cancel:hover { background-color: var(--border); }

.btn-outline-primary {
    background-color: transparent; color: var(--primary); 
    border: 1px solid var(--primary); padding: 8px 12px; 
    border-radius: 4px; font-weight: 500; cursor: pointer; transition: 0.3s;
}
.btn-outline-primary:hover { background-color: var(--primary); color: var(--bg-main); }

.btn-logout { 
    background: none; border: none; color: var(--text-muted); 
    cursor: pointer; font-size: 0.9rem; transition: color 0.2s; padding: 8px 12px;
}
.btn-logout:hover { color: var(--danger); }

.btn-action { 
    background: transparent; border: 1px solid var(--border); 
    color: var(--text-muted); padding: 6px 12px; border-radius: 4px; 
    cursor: pointer; font-size: 0.8rem; margin-right: 5px; transition: 0.2s; 
}
.btn-action:hover { color: var(--text-main); border-color: var(--text-main); }
.btn-action.edit:hover { background-color: var(--primary); color: #000; border-color: var(--primary); }
.btn-action.delete:hover { background-color: var(--danger); color: #fff; border-color: var(--danger); }

.card { 
    background: var(--bg-card); padding: 25px; 
    border-radius: 8px; border: 1px solid var(--border);
}
.card-header { 
    font-size: 1.1rem; font-weight: 500; margin-bottom: 20px; 
    border-bottom: 1px solid var(--border); padding-bottom: 12px; 
    color: var(--text-main); text-transform: uppercase; letter-spacing: 0.5px;
}
.widget-dinero { 
    background: #18181b; border: 1px solid var(--border);
    border-left: 4px solid var(--primary); color: var(--text-main); 
    padding: 25px; border-radius: 8px; margin-bottom: 25px; 
}
.widget-dinero h3 { font-size: 0.85rem; text-transform: uppercase; color: var(--text-muted); margin-bottom: 8px; }
.widget-dinero .monto { font-size: 2.2rem; font-weight: 300; margin: 0; color: var(--primary); }

.form-group { margin-bottom: 18px; }
label { display: block; margin-bottom: 8px; font-size: 0.85rem; font-weight: 500; color: var(--text-muted); text-transform: uppercase; }
input, select { 
    width: 100%; padding: 12px; background-color: var(--bg-input); 
    color: var(--text-main); border: 1px solid var(--border); 
    border-radius: 4px; box-sizing: border-box; font-size: 0.95rem; outline: none; transition: 0.2s;
}
input:focus, select:focus { border-color: var(--primary); }

.crud-form { background: #18181b; padding: 20px; border-radius: 6px; margin-bottom: 10px; border: 1px solid var(--border); }
.crud-form-row { display: flex; gap: 15px; margin-bottom: 15px; }
.form-group-crud { display: flex; flex-direction: column; }
.flex-1 { flex: 1; }
.flex-2 { flex: 2; }
.form-group-crud label { font-size: 0.75rem; }
.crud-form-actions { display: flex; gap: 10px; justify-content: flex-end; margin-top: 20px; }
.crud-form-actions .btn-submit { width: auto; }

.table-responsive { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; min-width: 500px; }
th, td { padding: 14px 15px; text-align: left; border-bottom: 1px solid var(--border); font-size: 0.9rem; }
th { font-weight: 500; color: var(--text-muted); font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.5px; }
tr:hover { background-color: #242424; }
.listado-insumos { overflow-y: auto; margin-top: 10px; border: 1px solid var(--border); border-radius: 6px; flex-grow: 1; min-height: 150px; }

.badge { padding: 4px 10px; border-radius: 4px; font-size: 0.75rem; font-weight: 600; text-transform: uppercase; }
.badge-danger { background-color: rgba(239, 68, 68, 0.1); color: var(--danger); border: 1px solid rgba(239, 68, 68, 0.2); }
.badge-success { background-color: rgba(16, 185, 129, 0.1); color: var(--success); border: 1px solid rgba(16, 185, 129, 0.2); }
.badge-info { background-color: rgba(59, 130, 246, 0.1); color: #3b82f6; border: 1px solid rgba(59, 130, 246, 0.2); }

/* --- 5. Modales --- */
.modal { 
    display: none; position: fixed; z-index: 1500; left: 0; top: 0; 
    width: 100%; height: 100%; background-color: rgba(0,0,0,0.7); 
    align-items: center; justify-content: center; padding: 20px; box-sizing: border-box;
}
.modal-content { 
    background-color: var(--bg-card); padding: 30px; border-radius: 8px; 
    border: 1px solid var(--border); width: 100%; max-width: 400px; 
    text-align: center; position: relative; max-height: 90vh; display: flex; flex-direction: column;
}
.crud-modal-content { max-width: 650px; text-align: left; }
.modal-xl { max-width: 850px; text-align: left; }
.modal-content h2 { border-bottom: 1px solid var(--border); padding-bottom: 10px; margin-bottom: 20px; font-size: 1.2rem;}
.close-btn { color: var(--text-muted); position: absolute; top: 10px; right: 15px; font-size: 28px; font-weight: bold; cursor: pointer; }
.close-btn:hover { color: var(--text-main); }

/* --- 6. Elementos Globales --- */
.loading-overlay { 
    display: none; position: fixed; top: 0; left: 0; width: 100%; height: 100%; 
    background: rgba(18, 18, 18, 0.9); align-items: center; justify-content: center; 
    flex-direction: column; z-index: 2000; color: var(--primary); 
}
.spinner {
    border: 4px solid rgba(212, 175, 55, 0.3); border-top: 4px solid var(--primary); 
    border-radius: 50%; width: 40px; height: 40px; animation: spin 1s linear infinite; margin-bottom: 15px;
}
@keyframes spin { 0% { transform: rotate(0deg); } 100% { transform: rotate(360deg); } }

.toast-container { position: fixed; bottom: 20px; right: 20px; z-index: 2500; display: flex; flex-direction: column; gap: 10px; }
.toast {
    background-color: var(--bg-card); color: var(--text-main); padding: 15px 20px; 
    border-radius: 6px; border-left: 4px solid var(--primary); box-shadow: 0 4px 12px rgba(0,0,0,0.5); min-width: 250px;
    transform: translateX(120%); transition: transform 0.3s ease-out; display: flex; align-items: center; gap: 10px;
}
.toast.show { transform: translateX(0); }
.toast.success { border-color: var(--success); }
.toast.error { border-color: var(--danger); }

/* --- 7. Responsivo --- */
@media (max-width: 768px) {
    .navbar { flex-direction: column; gap: 15px; padding: 15px 20px; }
    .navbar h1 { font-size: 1.3rem; text-align: center; }
    .nav-actions { flex-wrap: wrap; justify-content: center; width: 100%; }
    .nav-actions button { flex: 1; min-width: 130px; padding: 8px; font-size: 0.85rem; }
    
    .container { flex-direction: column; padding: 0 15px; }
    .col-left, .col-right { width: 100%; min-width: 100%; }
    
    .login-box { padding: 25px 20px; margin: 0 15px; }
    .card { padding: 15px; }
    
    .modal { padding: 10px; }
    .modal-content { padding: 20px 15px; max-height: 95vh; }
    .crud-form { padding: 15px; }
    .crud-form-row { flex-direction: column; gap: 12px; }
    
    .crud-form-actions { flex-direction: column; }
    .crud-form-actions button { width: 100%; }
    
    .widget-dinero .monto { font-size: 1.8rem; }
    .toast-container { left: 20px; right: 20px; bottom: 20px; align-items: center; }
    .toast { min-width: 100%; box-sizing: border-box; }
}