@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Outfit:wght@300;400;500;600;700;800&display=swap');

:root {
    --font-main: 'Inter', sans-serif;
    --font-display: 'Outfit', sans-serif;
    
    /* Variables Modo Claro (Default / Normal) */
    --bg-body: #f4f6f9;
    --bg-card: #ffffff;
    --bg-sidebar: #ffffff;
    --bg-input: #ffffff;
    --border-color: #cbd5e1;
    
    --text-main: #0f172a;
    --text-muted: #64748b;
    --text-light: #94a3b8;
    --text-white: #ffffff;
    
    /* Colores del Sistema */
    --primary: #4f46e5;
    --primary-hover: #4338ca;
    --primary-light: #e0e7ff;
    
    --accent: #0284c7;
    --accent-hover: #0369a1;
    --accent-light: #e0f2fe;
    
    --success: #10b981;
    --success-light: #d1fae5;
    --warning: #f59e0b;
    --warning-light: #fef3c7;
    --danger: #ef4444;
    --danger-light: #fee2e2;
    
    /* Sombras */
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.08), 0 2px 4px -1px rgba(0,0,0,0.04);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.08), 0 4px 6px -2px rgba(0,0,0,0.04);
    
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-full: 9999px;
    
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="dark"] {
    /* Variables Modo Oscuro */
    --bg-body: #0f172a;
    --bg-card: #1e293b;
    --bg-sidebar: #1e293b;
    --bg-input: #0f172a;
    --border-color: #334155;
    
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --text-light: #64748b;
    
    --primary: #6366f1;
    --primary-hover: #4f46e5;
    --primary-light: #1e1b4b;
    
    --accent: #38bdf8;
    --accent-hover: #0ea5e9;
    --accent-light: #082f49;
    
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.4);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.5);
}

/* =========================================================================
   ESTILOS GENERALES
   ========================================================================= */

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

body {
    font-family: var(--font-main);
    background-color: var(--bg-body);
    color: var(--text-main);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
    transition: background-color var(--transition-normal), color var(--transition-normal);
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 700;
    letter-spacing: -0.025em;
}

a {
    color: inherit;
    text-decoration: none;
}

button, input, select, textarea {
    font-family: inherit;
    font-size: inherit;
    outline: none;
}

/* =========================================================================
   ESTRUCTURA DE DISEÑO (LAYOUT)
   ========================================================================= */

.app-container {
    display: flex;
    min-height: 100vh;
    width: 100vw;
}

.sidebar {
    width: 280px;
    background-color: var(--bg-sidebar);
    border-right: 1px solid var(--border-color);
    padding: 1.75rem 1.25rem;
    display: flex;
    flex-direction: column;
    z-index: 100;
    transition: width var(--transition-normal), padding var(--transition-normal), border var(--transition-normal), transform var(--transition-normal);
}

.sidebar.collapsed {
    width: 0;
    padding: 1.75rem 0;
    border-right-width: 0;
    transform: translateX(-100%);
    overflow: hidden;
}

.brand-section {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 2.25rem;
    padding-left: 0.25rem;
}

.brand-logo {
    width: 44px;
    height: 44px;
    object-fit: contain;
}

.brand-title {
    font-size: 1.35rem;
    color: var(--text-main);
    line-height: 1.1;
}

.brand-subtitle {
    font-size: 0.72rem;
    color: var(--text-muted);
    font-weight: 500;
    letter-spacing: 0.02em;
}

.menu-section {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    flex-grow: 1;
}

.menu-category {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-light);
    margin: 1.2rem 0 0.4rem 0.75rem;
}

.menu-item {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    padding: 0.75rem 1rem;
    border-radius: var(--radius-md);
    color: var(--text-muted);
    font-weight: 500;
    font-size: 0.92rem;
    transition: var(--transition-fast);
}

.menu-item:hover {
    background-color: var(--primary-light);
    color: var(--primary);
}

.menu-item.active {
    background-color: var(--primary);
    color: var(--text-white);
    box-shadow: var(--shadow-sm);
}

.menu-item svg {
    width: 20px;
    height: 20px;
    stroke: currentColor;
    fill: none;
    stroke-width: 2;
    flex-shrink: 0;
}

/* User Profile Section in Sidebar */
.user-profile-section {
    margin-top: auto;
    padding-top: 1.25rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.user-profile-info {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    background-color: var(--primary-light);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.95rem;
}

.user-details {
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.user-email {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-main);
    white-space: nowrap;
    text-overflow: ellipsis;
    overflow: hidden;
}

.user-role {
    font-size: 0.72rem;
    color: var(--text-muted);
    text-transform: capitalize;
}

/* Main Content Area */
.main-content {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    height: 100vh;
    min-width: 0;
}

/* Top Navigation Bar */
.top-navbar {
    height: 70px;
    background-color: var(--bg-sidebar);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 1.75rem;
    flex-shrink: 0;
    transition: background-color var(--transition-normal), border-color var(--transition-normal);
}

.navbar-left {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.navbar-brand-collapsed {
    display: none;
    align-items: center;
    gap: 0.6rem;
}

.navbar-brand-collapsed .brand-logo {
    width: 32px;
    height: 32px;
}

.sidebar-toggle-btn {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 0.5rem;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
}

.sidebar-toggle-btn:hover {
    background-color: var(--bg-body);
    color: var(--text-main);
}

.navbar-actions {
    display: flex;
    align-items: center;
    gap: 0.85rem;
}

/* BOTÓN VOLVER AL SITIO PADRE (CPyEM) */
.nav-btn-parent {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    background-color: var(--accent-light);
    color: var(--accent);
    border: 1px solid rgba(2, 132, 199, 0.25);
    padding: 0.55rem 1.1rem;
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-fast);
}

.nav-btn-parent:hover {
    background-color: var(--accent);
    color: var(--text-white);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.nav-btn-parent svg {
    width: 16px;
    height: 16px;
    transition: transform var(--transition-fast);
}

.nav-btn-parent:hover svg {
    transform: translateX(-2px);
}

/* BOTÓN DEL SOL / LUNA (CAMBIO MODO OSCURO / NORMAL) */
.theme-toggle-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    background-color: var(--bg-body);
    border: 1px solid var(--border-color);
    color: var(--text-muted);
    cursor: pointer;
    transition: var(--transition-normal);
    position: relative;
}

.theme-toggle-btn:hover {
    color: var(--primary);
    border-color: var(--primary);
    transform: rotate(15deg);
}

.theme-toggle-btn svg {
    width: 20px;
    height: 20px;
    stroke: currentColor;
    fill: none;
    stroke-width: 2;
    transition: transform var(--transition-normal), opacity var(--transition-normal);
}

/* Iconos de Sol / Luna */
.icon-sun {
    display: none;
    color: #f59e0b;
}

.icon-moon {
    display: block;
    color: #6366f1;
}

[data-theme="dark"] .icon-sun {
    display: block;
}

[data-theme="dark"] .icon-moon {
    display: none;
}

/* Dashboard Body & Content */
.content-wrapper {
    padding: 2rem;
    max-width: 1440px;
    margin: 0 auto;
    width: 100%;
    flex-grow: 1;
}

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.page-title {
    font-size: 1.75rem;
    color: var(--text-main);
    margin-bottom: 0.25rem;
}

.page-description {
    color: var(--text-muted);
    font-size: 0.92rem;
}

/* Grid & Cards */
.grid-kpis {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-normal), background-color var(--transition-normal);
}

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

.kpi-card {
    display: flex;
    align-items: center;
    gap: 1.25rem;
}

.kpi-icon-wrapper {
    width: 52px;
    height: 52px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.kpi-icon-wrapper svg {
    width: 26px;
    height: 26px;
}

.kpi-primary {
    background-color: var(--primary-light);
    color: var(--primary);
}

.kpi-accent {
    background-color: var(--accent-light);
    color: var(--accent);
}

.kpi-success {
    background-color: var(--success-light);
    color: var(--success);
}

.kpi-warning {
    background-color: var(--warning-light);
    color: var(--warning);
}

.kpi-info {
    display: flex;
    flex-direction: column;
}

.kpi-value {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--text-main);
    font-family: var(--font-display);
    line-height: 1.1;
}

.kpi-label {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-weight: 500;
    margin-top: 0.2rem;
}

/* Quick Action Buttons */
.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background-color: var(--primary);
    color: var(--text-white);
    padding: 0.65rem 1.25rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.9rem;
    border: none;
    cursor: pointer;
    transition: var(--transition-fast);
}

.btn-primary:hover {
    background-color: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background-color: var(--bg-card);
    color: var(--text-main);
    border: 1px solid var(--border-color);
    padding: 0.65rem 1.25rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition-fast);
}

.btn-secondary:hover {
    background-color: var(--bg-body);
    border-color: var(--text-light);
}

/* =========================================================================
   FORMULARIOS Y CONTROLES (INPUTS, SELECTS, LABELS)
   ========================================================================= */

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.form-label {
    display: block;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-main);
    margin-bottom: 0.35rem;
}

.form-control {
    width: 100%;
    padding: 0.65rem 0.95rem;
    font-size: 0.88rem;
    font-family: inherit;
    color: var(--text-main);
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast), background-color var(--transition-fast);
    outline: none;
    box-sizing: border-box;
}

.form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

.form-control::placeholder {
    color: var(--text-light);
}

select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%2364748b' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
    background-position: right 0.75rem center;
    background-repeat: no-repeat;
    background-size: 1.25em 1.25em;
    padding-right: 2.25rem;
    cursor: pointer;
}

[data-theme="dark"] select.form-control {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%2394a3b8' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
}

/* Tables */
.table-responsive {
    width: 100%;
    overflow-x: auto;
    margin-top: 1rem;
}

.custom-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

.custom-table th {
    padding: 0.9rem 1rem;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border-color);
    background-color: transparent;
}

.custom-table td {
    padding: 1rem;
    font-size: 0.88rem;
    color: var(--text-main);
    border-bottom: 1px solid var(--border-color);
    vertical-align: middle;
}

.custom-table tr:hover td {
    background-color: rgba(79, 70, 229, 0.03);
}

[data-theme="dark"] .custom-table tr:hover td {
    background-color: rgba(255, 255, 255, 0.02);
}

/* Badges */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.25rem 0.65rem;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
}

.badge-success {
    background-color: var(--success-light);
    color: #065f46;
}

[data-theme="dark"] .badge-success {
    background-color: rgba(16, 185, 129, 0.2);
    color: #34d399;
}

.badge-warning {
    background-color: var(--warning-light);
    color: #92400e;
}

[data-theme="dark"] .badge-warning {
    background-color: rgba(245, 158, 11, 0.2);
    color: #fbbf24;
}

.badge-primary {
    background-color: var(--primary-light);
    color: var(--primary);
}

[data-theme="dark"] .badge-primary {
    background-color: rgba(99, 102, 241, 0.2);
    color: #a5b4fc;
}

/* Responsive */
@media (max-width: 900px) {
    .sidebar {
        position: fixed;
        left: 0;
        top: 0;
        bottom: 0;
        box-shadow: var(--shadow-lg);
        transform: translateX(-100%);
    }

    .sidebar.open {
        transform: translateX(0);
        width: 280px;
    }

    .navbar-brand-collapsed {
        display: flex;
    }

    .content-wrapper {
        padding: 1.25rem;
    }
}