/* ==========================================================================
   VARIABLES GLOBALES (Tematización)
   ========================================================================== */
:root {
    --purple-main: #311b92;
    --purple-dark: #120a2a;
    --purple-light: #673ab7;
    --purple-glow: rgba(103, 58, 183, 0.35);
    --green-neon: #76ff03;
    --green-btn: #00e676;
    --bg-dark: #0a0a0f;
    --card-dark: #14141f;
    --card-border: rgba(255, 255, 255, 0.08);
    --text-light: #f8fafc;
    --text-muted: #94a3b8;
    --font-base: 'Segoe UI', system-ui, -apple-system, sans-serif;
}

/* ==========================================================================
   RESETEO Y ESTILOS BASE
   ========================================================================== */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-light);
    font-family: var(--font-base);
}

/* ==========================================================================
   COMPONENTES DE AUTENTICACIÓN (Login)
   ========================================================================== */
.login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
}

.login-card {
    background-color: var(--card-dark);
    border: 1px solid var(--card-border);
    border-radius: 12px;
    padding: 40px;
    width: 100%;
    max-width: 400px;
    box-shadow: 0 10px 30px var(--purple-glow);
    text-align: center;
}

.login-card h1 {
    color: var(--text-light);
    font-size: 26px;
    margin-bottom: 8px;
    letter-spacing: 1px;
}

.login-card p {
    color: var(--text-muted);
    font-size: 14px;
    margin-bottom: 30px;
}

/* ==========================================================================
   UTILIDADES Y FORMULARIOS GLOBALES
   ========================================================================== */
.alert-error {
    background-color: rgba(255, 82, 82, 0.1);
    border: 1px solid rgba(255, 82, 82, 0.3);
    color: #ff5252;
    padding: 12px;
    border-radius: 8px;
    margin-bottom: 20px;
    font-size: 14px;
    text-align: left;
}

.form-group {
    margin-bottom: 20px;
    text-align: left;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-muted);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-group input, .form-group select {
    width: 100%;
    padding: 14px;
    background-color: var(--bg-dark);
    border: 1px solid var(--card-border);
    border-radius: 8px;
    color: var(--text-light);
    font-size: 15px;
    outline: none;
    transition: all 0.3s ease;
    appearance: none; /* Quita la flecha fea por defecto del navegador */
}

.form-group input:focus, .form-group select:focus {
    border-color: var(--purple-light);
    box-shadow: 0 0 12px var(--purple-glow);
}

.btn-primary {
    width: 100%;
    padding: 14px;
    margin-top: 10px;
    background-color: var(--green-btn);
    color: var(--bg-dark);
    border: none;
    border-radius: 8px;
    font-size: 15px;
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
}

.btn-primary:hover {
    background-color: var(--green-neon);
    box-shadow: 0 0 15px rgba(118, 255, 3, 0.4);
    transform: translateY(-2px);
}
/* ==========================================================================
   LAYOUT Y NAVEGACIÓN (Dashboard)
   ========================================================================== */
.app-layout {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 260px;
    background-color: var(--card-dark);
    border-right: 1px solid var(--card-border);
    display: flex;
    flex-direction: column;
    transition: all 0.3s ease;
    z-index: 1000;
}

.sidebar-header {
    padding: 20px;
    text-align: center;
    border-bottom: 1px solid var(--card-border);
}

.sidebar-header h2 {
    color: var(--green-neon);
    font-size: 20px;
    letter-spacing: 1px;
}

.sidebar-nav {
    padding: 20px 0;
    display: flex;
    flex-direction: column;
}

.sidebar-nav a {
    padding: 15px 20px;
    color: var(--text-muted);
    text-decoration: none;
    transition: all 0.3s ease;
    border-left: 3px solid transparent;
}

.sidebar-nav a:hover, .sidebar-nav a.active {
    color: var(--text-light);
    background-color: rgba(255, 255, 255, 0.05);
    border-left-color: var(--green-neon);
}

.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    width: calc(100% - 260px);
}

.topbar {
    background-color: var(--card-dark);
    border-bottom: 1px solid var(--card-border);
    padding: 15px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-light);
    font-size: 24px;
    cursor: pointer;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-left: auto;
}

.btn-logout {
    color: #ff5252;
    text-decoration: none;
    font-size: 14px;
    font-weight: bold;
}

.content-wrapper {
    padding: 30px;
    flex: 1;
    overflow-y: auto;
}

/* ==========================================================================
   COMPONENTES DEL DASHBOARD
   ========================================================================== */
.dashboard-welcome {
    margin-bottom: 30px;
}

.dashboard-welcome h1 {
    color: var(--text-light);
    margin-bottom: 5px;
}

.dashboard-welcome h1 span {
    color: var(--green-neon);
}

.dashboard-widgets {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.widget-card {
    background-color: var(--card-dark);
    border: 1px solid var(--card-border);
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

.widget-card h3 {
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 10px;
}

.widget-number {
    font-size: 28px;
    font-weight: bold;
    color: var(--text-light);
}

/* ==========================================================================
   DISEÑO RESPONSIVO (Móviles y Tablets)
   ========================================================================== */
@media (max-width: 768px) {
    .sidebar {
        position: fixed;
        left: -260px; /* Oculta la barra lateral fuera de la pantalla */
        height: 100vh;
    }

    .sidebar.active {
        left: 0; /* Desliza la barra lateral hacia adentro */
    }

    .main-content {
        width: 100%;
    }

    .menu-toggle {
        display: block; /* Muestra el botón de menú en móviles */
    }
}

/* ==========================================================================
   TABLAS DE DATOS
   ========================================================================== */
.header-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
    flex-wrap: wrap;
    gap: 15px;
}

.table-responsive {
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    white-space: nowrap;
}

.data-table th {
    padding: 15px;
    color: var(--text-muted);
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 1px solid var(--card-border);
    background-color: rgba(0, 0, 0, 0.2);
}

.data-table td {
    padding: 15px;
    color: var(--text-light);
    font-size: 14px;
    border-bottom: 1px solid var(--card-border);
}

.data-table tbody tr {
    transition: background-color 0.2s ease;
}

.data-table tbody tr:hover {
    background-color: rgba(255, 255, 255, 0.03);
}

/* Botones pequeños para acciones en la tabla */
.btn-sm {
    padding: 6px 12px;
    font-size: 12px;
    border-radius: 4px;
    text-decoration: none;
    font-weight: bold;
    display: inline-block;
    cursor: pointer;
    border: none;
}

.btn-edit {
    background-color: var(--purple-light);
    color: var(--text-light);
}

.btn-edit:hover {
    background-color: var(--purple-main);
}

/* ==========================================================================
   BUSCADOR Y ACORDEONES (Módulo Clientes)
   ========================================================================== */
.search-box {
    width: 100%;
    padding: 14px 20px;
    background-color: var(--bg-dark);
    border: 1px solid var(--card-border);
    border-radius: 8px;
    color: var(--text-light);
    font-size: 16px;
    margin-bottom: 20px;
    outline: none;
    transition: all 0.3s ease;
}

.search-box:focus {
    border-color: var(--purple-light);
    box-shadow: 0 0 12px var(--purple-glow);
}

.client-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.accordion-item {
    background-color: var(--card-dark);
    border: 1px solid var(--card-border);
    border-radius: 8px;
    overflow: hidden;
}

.accordion-header {
    padding: 18px 20px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: bold;
    color: var(--green-neon);
    font-size: 16px;
    user-select: none;
    background-color: rgba(255, 255, 255, 0.02);
    transition: background-color 0.3s ease;
}

.accordion-header:hover {
    background-color: rgba(255, 255, 255, 0.05);
}

/* El iconito de la flecha */
.accordion-header::after {
    content: '▼';
    font-size: 12px;
    color: var(--text-muted);
    transition: transform 0.3s ease;
}

.accordion-item.active .accordion-header::after {
    transform: rotate(-180deg);
}

.accordion-body {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
    background-color: var(--bg-dark);
}

.accordion-content {
    padding: 20px;
    border-top: 1px solid var(--card-border);
}

/* Cuadrícula para mostrar los datos ordenados */
.client-detail-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
    margin-bottom: 20px;
}

.detail-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.detail-label {
    font-size: 11px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.detail-value {
    font-size: 14px;
    color: var(--text-light);
}

/* Botón de Eliminar (Rojo) */
.btn-danger {
    background-color: rgba(255, 82, 82, 0.1);
    color: #ff5252;
    border: 1px solid rgba(255, 82, 82, 0.3);
}

.btn-danger:hover {
    background-color: #ff5252;
    color: #fff;
    box-shadow: 0 0 15px rgba(255, 82, 82, 0.4);
}

.action-buttons {
    display: flex;
    gap: 10px;
    margin-top: 15px;
    padding-top: 15px;
    border-top: 1px solid var(--card-border);
}