/* BODY GENERAL */
body {
    margin: 0;
    font-family: 'Segoe UI', Tahoma, sans-serif;
    background: #f0f4f8;
    height: 100vh;
    width: 100vw;
}

/* NOMBRE DE LA EMPRESA ARRIBA */
.company-name {
    position: absolute;
    top: 20px;
    width: 100%;
    text-align: center;
    font-size: 2rem;
    font-weight: bold;
    color: #1a3e5c; 
}

/* FORMULARIOS DE LOGIN/REGISTER */
.form-container {
    background: #ffffff;
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 8px 20px rgba(0,0,0,0.1);
    width: 350px;
    text-align: center;
    margin: 100px auto;
}

input {
    width: calc(100% - 24px); 
    padding: 12px;
    margin: 10px auto; 
    display: block; 
    border: 1px solid #ccc;
    border-radius: 6px;
    font-size: 1rem;
    box-sizing: border-box; 
}

button {
    width: 100%;
    padding: 12px;
    background: #ff7f50; 
    border: none;
    border-radius: 6px;
    font-size: 1rem;
    color: white;
    cursor: pointer;
    transition: background 0.3s;
}

button:hover {
    background: #ff5722;
}

a {
    color: #1a3e5c;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

/* BARRA SUPERIOR */
.top-bar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 60px;
    background: #1a3e5c; /* azul logístico */
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    font-weight: bold;
    z-index: 1000;
}

/* CONTENEDOR PRINCIPAL DEL DASHBOARD */
.main-container {
    display: flex;
    margin-top: 60px; /* espacio barra superior */
    height: calc(100vh - 60px);
    width: 100%;
}

/* BARRA LATERAL */
.side-bar {
    width: 220px; /* ancho fijo */
    background: #f8f9fa;
    display: flex;
    flex-direction: column;
    padding-top: 20px;
    box-shadow: 2px 0 5px rgba(0,0,0,0.1);
    position: fixed; /* pegada a la izquierda */
    left: 0;
    top: 60px;
    bottom: 0;
}

.menu-item {
    padding: 15px 20px;
    margin: 5px 10px;
    cursor: pointer;
    color: #555;
    border-radius: 8px;
    position: relative;
    transition: all 0.3s;
}

/* Opción activa */
.menu-item.active {
    color: white;
    background: #007bff; /* azul marco activo */
}

/* ÁREA DE CONTENIDO */
.content-area {
    margin-left: 220px; /* deja espacio para la barra lateral */
    flex: 1;
    padding: 30px;
    background: #e9ecef;
    overflow-y: auto;
    min-height: calc(100vh - 60px); /* se asegura de ocupar toda la altura */
}

/* SECCIONES DE FACTURA, USUARIOS, ETC */
.section {
    display: none; /* se muestra solo la sección activa vía JS */
    background: #fff;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
    margin-bottom: 20px;
}

/* INPUTS Y BOTONES EN SECCIONES */
.section input, .section select {
    width: calc(100% - 24px);
    padding: 10px;
    margin: 10px 0;
    display: block;
    border: 1px solid #ccc;
    border-radius: 6px;
    font-size: 1rem;
    box-sizing: border-box;
}

.section button {
    width: 100%;
    padding: 12px;
    background: #007bff;
    border: none;
    border-radius: 6px;
    font-size: 1rem;
    color: white;
    cursor: pointer;
    transition: background 0.3s;
}

.section button:hover {
    background: #0056b3;
}

/* TABLAS PROFESIONALES */
.data-table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
    background: white;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    border-radius: 8px;
    overflow: hidden;
}

.data-table thead {
    background: linear-gradient(135deg, #1a3e5c 0%, #2c5f7d 100%);
    color: white;
}

.data-table thead th {
    padding: 15px 12px;
    text-align: left;
    font-weight: 600;
    font-size: 0.95rem;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.data-table tbody tr {
    border-bottom: 1px solid #e9ecef;
    transition: background-color 0.2s ease;
}

.data-table tbody tr:hover {
    background-color: #f8f9fa;
}

.data-table tbody tr:last-child {
    border-bottom: none;
}

.data-table tbody td {
    padding: 14px 12px;
    color: #333;
    font-size: 0.9rem;
}

.data-table tbody td:first-child {
    font-weight: 500;
    color: #1a3e5c;
}

/* BADGES DE ESTADO */
.badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
}

.badge-pagada {
    background: #d4edda;
    color: #155724;
}

.badge-pendiente {
    background: #fff3cd;
    color: #856404;
}

.badge-cancelada {
    background: #f8d7da;
    color: #721c24;
}

/* RESALTADO DE PRECIOS */
.precio {
    font-weight: 600;
    color: #28a745;
}

.total {
    font-size: 1.1rem;
    font-weight: 700;
    color: #1a3e5c;
}

/* LOADING SPINNER */
.loading {
    text-align: center;
    padding: 40px;
    color: #6c757d;
    font-style: italic;
}

/* TÍTULO DE SECCIÓN */
.section-title {
    color: #1a3e5c;
    font-size: 1.8rem;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 3px solid #007bff;
}

/* TABLA RESPONSIVA */
.table-container {
    overflow-x: auto;
    margin: 20px 0;
}

/* ACCIONES EN TABLA */
.table-actions {
    display: flex;
    gap: 8px;
}

.btn-small {
    padding: 6px 12px;
    font-size: 0.85rem;
    border-radius: 4px;
    border: none;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-view {
    background: #007bff;
    color: white;
}

.btn-view:hover {
    background: #0056b3;
}

.btn-edit {
    background: #ffc107;
    color: #333;
}

.btn-edit:hover {
    background: #e0a800;
}

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

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