/* ==========================================================================
   Operam ERP - Modern Design System (Vanilla CSS)
   ========================================================================== */

/* Theme Variables */
:root {
    /* Brand & Color Palettes */
    --color-brand: hsl(243, 75%, 59%);
    --color-brand-light: hsl(243, 75%, 96%);
    --color-brand-hover: hsl(243, 75%, 65%);
    --color-brand-glow: hsla(243, 75%, 59%, 0.15);
    
    --color-success: hsl(150, 84%, 37%);
    --color-success-light: hsl(150, 84%, 95%);
    --color-success-glow: hsla(150, 84%, 37%, 0.15);

    --color-warning: hsl(38, 92%, 50%);
    --color-warning-light: hsl(38, 92%, 95%);
    --color-warning-glow: hsla(38, 92%, 50%, 0.15);

    --color-danger: hsl(350, 89%, 60%);
    --color-danger-light: hsl(350, 89%, 95%);
    --color-danger-glow: hsla(350, 89%, 60%, 0.15);

    --color-info: hsl(199, 89%, 48%);
    --color-info-light: hsl(199, 89%, 95%);
    --color-info-glow: hsla(199, 89%, 48%, 0.15);

    --color-purple: hsl(270, 75%, 60%);
    --color-purple-light: hsl(270, 75%, 96%);
    --color-purple-glow: hsla(270, 75%, 60%, 0.15);

    /* Fonts */
    --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

    /* Border Radius & Transitions */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 18px;
    --radius-full: 9999px;
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);

    /* Sidebar Dimensions */
    --sidebar-width: 260px;
    --sidebar-collapsed-width: 80px;
    --topbar-height: 70px;
}

/* Light Theme Variables Override */
html[data-theme="light"] {
    --bg-primary: hsl(210, 40%, 96%);
    --bg-secondary: hsl(210, 40%, 100%);
    --bg-card: hsl(0, 0%, 100%);
    --bg-hover: hsl(210, 30%, 94%);
    
    --border-color: hsl(210, 30%, 89%);
    --border-hover: hsl(210, 30%, 80%);

    --text-primary: hsl(222, 47%, 12%);
    --text-secondary: hsl(222, 20%, 38%);
    --text-muted: hsl(222, 15%, 58%);
    
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 20px -2px rgba(18, 22, 33, 0.08), 0 2px 8px -1px rgba(18, 22, 33, 0.04);
    --shadow-lg: 0 12px 30px -4px rgba(18, 22, 33, 0.12), 0 4px 12px -2px rgba(18, 22, 33, 0.06);
    
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(255, 255, 255, 0.4);
    --glass-blur: 15px;

    --scrollbar-track: hsl(210, 30%, 94%);
    --scrollbar-thumb: hsl(210, 20%, 80%);
}

/* Dark Theme Variables Override */
html[data-theme="dark"] {
    --bg-primary: hsl(222, 47%, 9%);
    --bg-secondary: hsl(222, 47%, 12%);
    --bg-card: hsl(222, 47%, 15%);
    --bg-hover: hsl(222, 30%, 20%);
    
    --border-color: hsl(222, 30%, 22%);
    --border-hover: hsl(222, 25%, 32%);

    --text-primary: hsl(210, 40%, 98%);
    --text-secondary: hsl(215, 20%, 75%);
    --text-muted: hsl(215, 16%, 52%);
    
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 10px 30px -10px rgba(0, 0, 0, 0.5), 0 2px 10px -2px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 20px 40px -15px rgba(0, 0, 0, 0.7), 0 4px 15px -3px rgba(0, 0, 0, 0.3);

    --glass-bg: rgba(15, 19, 32, 0.6);
    --glass-border: rgba(255, 255, 255, 0.04);
    --glass-blur: 18px;

    --scrollbar-track: hsl(222, 40%, 12%);
    --scrollbar-thumb: hsl(222, 20%, 25%);
}

/* ==========================================================================
   Base CSS Rules
   ========================================================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    outline: none;
}

body {
    font-family: var(--font-body);
    font-size: 14px;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    transition: background-color var(--transition-normal), color var(--transition-normal);
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    letter-spacing: -0.02em;
}

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

ul {
    list-style: none;
}

/* Scrollbars */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
::-webkit-scrollbar-track {
    background: var(--scrollbar-track);
}
::-webkit-scrollbar-thumb {
    background: var(--scrollbar-thumb);
    border-radius: var(--radius-full);
}
::-webkit-scrollbar-thumb:hover {
    background: var(--color-brand);
}

/* ==========================================================================
   Main Shell Layout
   ========================================================================== */
.app-container {
    display: flex;
    min-height: 100vh;
    width: 100vw;
}

/* Sidebar Styling */
.sidebar {
    width: var(--sidebar-width);
    background-color: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    z-index: 100;
    transition: width var(--transition-normal), transform var(--transition-normal);
    position: relative;
}

.sidebar.collapsed {
    width: var(--sidebar-collapsed-width);
}

.sidebar-brand {
    height: var(--topbar-height);
    display: flex;
    align-items: center;
    padding: 0 24px;
    gap: 12px;
    border-bottom: 1px solid var(--border-color);
    overflow: hidden;
}

.brand-logo {
    min-width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, var(--color-brand) 0%, var(--color-purple) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px var(--color-brand-glow);
}

.logo-accent {
    font-family: var(--font-heading);
    color: #ffffff;
    font-weight: 800;
    font-size: 20px;
}

.brand-name h2 {
    font-size: 20px;
    color: var(--text-primary);
    line-height: 1;
}

.brand-name span {
    font-size: 11px;
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.sidebar-nav {
    flex: 1;
    padding: 24px 12px;
}

.sidebar-nav ul {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.nav-item {
    display: flex;
    align-items: center;
    padding: 12px 16px;
    color: var(--text-secondary);
    border-radius: var(--radius-md);
    gap: 14px;
    font-weight: 500;
    font-size: 14px;
    transition: background-color var(--transition-fast), color var(--transition-fast);
}

.nav-item i {
    width: 20px;
    height: 20px;
    min-width: 20px;
}

.nav-item:hover {
    background-color: var(--bg-hover);
    color: var(--text-primary);
}

.nav-item.active {
    background-color: var(--color-brand-glow);
    color: var(--color-brand);
    font-weight: 600;
}

.sidebar.collapsed .brand-name,
.sidebar.collapsed .nav-item span,
.sidebar.collapsed .user-info {
    display: none;
}

.sidebar.collapsed .nav-item {
    justify-content: center;
    padding: 12px;
}

.sidebar-footer {
    padding: 16px;
    border-top: 1px solid var(--border-color);
}

.user-profile {
    display: flex;
    align-items: center;
    gap: 12px;
}

.avatar {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    background-color: var(--color-brand-glow);
    color: var(--color-brand);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-family: var(--font-heading);
}

.user-info h4 {
    font-size: 13px;
    line-height: 1.2;
}

.user-info span {
    font-size: 11px;
    color: var(--text-muted);
}

/* Main Layout & Content Area */
.main-layout {
    flex: 1;
    display: flex;
    flex-direction: column;
    height: 100vh;
    overflow: hidden;
}

/* Topbar Styling */
.topbar {
    height: var(--topbar-height);
    background-color: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 32px;
    z-index: 99;
}

.topbar-left, .topbar-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.search-bar {
    display: flex;
    align-items: center;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    padding: 6px 16px;
    width: 320px;
    gap: 10px;
    transition: width var(--transition-normal), border var(--transition-fast);
}

.search-bar:focus-within {
    width: 400px;
    border-color: var(--color-brand);
}

.search-bar i {
    width: 18px;
    height: 18px;
    color: var(--text-muted);
}

.search-bar input {
    border: none;
    background: transparent;
    color: var(--text-primary);
    font-size: 13px;
    width: 100%;
}

.branch-selector {
    display: flex;
    align-items: center;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 6px 12px;
    gap: 8px;
}

.branch-selector i {
    width: 16px;
    height: 16px;
    color: var(--color-brand);
}

.branch-selector select {
    border: none;
    background: transparent;
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 13px;
    cursor: pointer;
}

/* Button Icon styling */
.btn-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    background-color: var(--bg-primary);
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-icon:hover {
    border-color: var(--color-brand);
    color: var(--color-brand);
    background-color: var(--color-brand-glow);
}

.btn-icon i {
    width: 20px;
    height: 20px;
}

/* Dark/Light Icons Theme handling */
html[data-theme="dark"] .icon-light { display: none; }
html[data-theme="light"] .icon-dark { display: none; }

/* Profile Trigger */
.profile-trigger {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    border: 2px solid var(--border-color);
    overflow: hidden;
    cursor: pointer;
    background: transparent;
    transition: border-color var(--transition-fast);
}

.profile-trigger:hover {
    border-color: var(--color-brand);
}

.avatar-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Notification Dropdown styling */
.notification-wrapper {
    position: relative;
}

.notification-dropdown {
    position: absolute;
    top: 50px;
    right: 0;
    width: 320px;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    display: none;
    flex-direction: column;
    z-index: 150;
    overflow: hidden;
}

.notification-dropdown.active {
    display: flex;
}

.dropdown-header {
    padding: 16px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.dropdown-header h3 {
    font-size: 14px;
}

.dropdown-header .btn-text {
    background: none;
    border: none;
    color: var(--color-brand);
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
}

.dropdown-content {
    max-height: 300px;
    overflow-y: auto;
}

.notification-item {
    display: flex;
    padding: 14px 16px;
    border-bottom: 1px solid var(--border-color);
    gap: 12px;
    transition: background-color var(--transition-fast);
    cursor: pointer;
}

.notification-item:hover {
    background-color: var(--bg-hover);
}

.notification-item.unread {
    background-color: var(--color-brand-glow);
}

.notification-icon {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
}

.notification-icon.success { background-color: var(--color-success-glow); color: var(--color-success); }
.notification-icon.warning { background-color: var(--color-warning-glow); color: var(--color-warning); }
.notification-icon.info { background-color: var(--color-info-glow); color: var(--color-info); }

.notification-icon i {
    width: 16px;
    height: 16px;
}

.notification-body p {
    font-size: 12.5px;
    color: var(--text-primary);
    line-height: 1.3;
}

.notification-body span {
    font-size: 11px;
    color: var(--text-muted);
}

/* Badge Alert count */
.badge-pulse {
    position: absolute;
    top: 2px;
    right: 2px;
    background-color: var(--color-danger);
    color: #ffffff;
    font-size: 10px;
    font-weight: 700;
    padding: 2px 6px;
    border-radius: var(--radius-full);
    border: 2px solid var(--bg-secondary);
}

/* Content Container */
.content-container {
    flex: 1;
    overflow-y: auto;
    padding: 32px;
    position: relative;
}

/* Page Loader */
.page-loader {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: var(--text-secondary);
    gap: 16px;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--border-color);
    border-top: 4px solid var(--color-brand);
    border-radius: var(--radius-full);
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* ==========================================================================
   Grid & Core Visuals (Cards, Containers, Sections)
   ========================================================================== */
.fade-in-up {
    animation: fadeInUp var(--transition-normal) forwards;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(12px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 28px;
}

.page-header h1 {
    font-size: 26px;
    color: var(--text-primary);
}

.page-header p {
    font-size: 13.5px;
    color: var(--text-muted);
    margin-top: 2px;
}

.header-actions {
    display: flex;
    gap: 12px;
}

/* Standard Premium Grid systems */
.grid-4 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
    margin-bottom: 24px;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
    margin-bottom: 24px;
}

.grid-2 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
    gap: 24px;
    margin-bottom: 24px;
}

/* Dashboard KPI Card styling */
.kpi-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 24px;
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: all var(--transition-fast);
    position: relative;
    overflow: hidden;
}

.kpi-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background-color: transparent;
    transition: background-color var(--transition-fast);
}

.kpi-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--border-hover);
}

.kpi-card.brand::before { background-color: var(--color-brand); }
.kpi-card.success::before { background-color: var(--color-success); }
.kpi-card.warning::before { background-color: var(--color-warning); }
.kpi-card.purple::before { background-color: var(--color-purple); }

.kpi-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
}

.kpi-title {
    font-size: 13.5px;
    color: var(--text-muted);
    font-weight: 600;
}

.kpi-icon {
    width: 38px;
    height: 38px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

.kpi-card.brand .kpi-icon { background-color: var(--color-brand-glow); color: var(--color-brand); }
.kpi-card.success .kpi-icon { background-color: var(--color-success-glow); color: var(--color-success); }
.kpi-card.warning .kpi-icon { background-color: var(--color-warning-glow); color: var(--color-warning); }
.kpi-card.purple .kpi-icon { background-color: var(--color-purple-glow); color: var(--color-purple); }

.kpi-value {
    font-family: var(--font-heading);
    font-size: 26px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.kpi-footer {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
}

.trend-badge {
    display: flex;
    align-items: center;
    gap: 2px;
    font-weight: 600;
    padding: 2px 6px;
    border-radius: var(--radius-full);
}

.trend-badge.up { background-color: var(--color-success-glow); color: var(--color-success); }
.trend-badge.down { background-color: var(--color-danger-glow); color: var(--color-danger); }
.trend-badge i { width: 12px; height: 12px; }

.trend-text {
    color: var(--text-muted);
}

/* Generic Containers / Cards */
.card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    margin-bottom: 24px;
}

.card-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-header h3 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
}

.card-body {
    padding: 24px;
    flex: 1;
}

/* ==========================================================================
   Buttons & Inputs System
   ========================================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-body);
    font-size: 13px;
    font-weight: 600;
    padding: 10px 18px;
    border-radius: var(--radius-md);
    border: 1px solid transparent;
    cursor: pointer;
    transition: all var(--transition-fast);
    gap: 8px;
}

.btn i {
    width: 16px;
    height: 16px;
}

.btn-primary {
    background-color: var(--color-brand);
    color: #ffffff;
}

.btn-primary:hover {
    background-color: var(--color-brand-hover);
    box-shadow: 0 4px 12px var(--color-brand-glow);
}

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

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

.btn-danger {
    background-color: var(--color-danger);
    color: #ffffff;
}

.btn-danger:hover {
    background-color: hsl(350, 89%, 65%);
    box-shadow: 0 4px 12px var(--color-danger-glow);
}

.btn-sm {
    padding: 6px 12px;
    font-size: 12px;
    border-radius: var(--radius-sm);
}

/* Badges for status */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    font-size: 11px;
    font-weight: 600;
    border-radius: var(--radius-full);
}

.badge-success { background-color: var(--color-success-glow); color: var(--color-success); }
.badge-warning { background-color: var(--color-warning-glow); color: var(--color-warning); }
.badge-danger { background-color: var(--color-danger-glow); color: var(--color-danger); }
.badge-info { background-color: var(--color-info-glow); color: var(--color-info); }
.badge-purple { background-color: var(--color-purple-glow); color: var(--color-purple); }

/* Form inputs styling */
.form-group {
    margin-bottom: 18px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-row {
    display: flex;
    gap: 16px;
}

.form-row .form-group {
    flex: 1;
}

.form-group label {
    font-size: 12.5px;
    font-weight: 600;
    color: var(--text-secondary);
}

.form-control {
    width: 100%;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    border-radius: var(--radius-md);
    padding: 10px 14px;
    font-family: var(--font-body);
    font-size: 13.5px;
    transition: all var(--transition-fast);
}

.form-control:focus {
    border-color: var(--color-brand);
    box-shadow: 0 0 0 2px var(--color-brand-glow);
}

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 24 24' stroke='currentColor' stroke-width='2'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' d='M19 9l-7 7-7-7'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    background-size: 16px;
    padding-right: 40px;
}

/* ==========================================================================
   Table Component
   ========================================================================== */
.table-container {
    overflow-x: auto;
    width: 100%;
}

.erp-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    font-size: 13.5px;
}

.erp-table th {
    background-color: var(--bg-primary);
    color: var(--text-secondary);
    font-weight: 600;
    padding: 14px 20px;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-bottom: 1px solid var(--border-color);
}

.erp-table td {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
}

.erp-table tr:hover td {
    background-color: var(--bg-hover);
}

.sku-mono {
    font-family: monospace;
    font-size: 12px;
    color: var(--text-muted);
}

/* ==========================================================================
   Modales Globales
   ========================================================================== */
.modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 200;
    padding: 20px;
    transition: opacity var(--transition-normal);
}

.modal-backdrop.active {
    display: flex;
}

.modal {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 600px;
    max-height: 90vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    animation: zoomIn 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes zoomIn {
    from {
        opacity: 0;
        transform: scale(0.95) translateY(10px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

.modal-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-header h3 {
    font-size: 17px;
    color: var(--text-primary);
}

.modal-body {
    padding: 24px;
    overflow-y: auto;
}

/* ==========================================================================
   Toast Notification System
   ========================================================================== */
.toast-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    z-index: 300;
}

.toast {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-left: 4px solid var(--color-brand);
    border-radius: var(--radius-md);
    padding: 16px;
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 300px;
    max-width: 400px;
    animation: slideInRight var(--transition-fast) forwards;
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.toast.success { border-left-color: var(--color-success); }
.toast.warning { border-left-color: var(--color-warning); }
.toast.danger { border-left-color: var(--color-danger); }
.toast.info { border-left-color: var(--color-info); }

.toast-icon {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.toast.success .toast-icon { color: var(--color-success); }
.toast.warning .toast-icon { color: var(--color-warning); }
.toast.danger .toast-icon { color: var(--color-danger); }
.toast.info .toast-icon { color: var(--color-info); }

.toast-message {
    flex: 1;
    font-size: 13px;
    color: var(--text-primary);
    line-height: 1.4;
}

/* ==========================================================================
   Module Specific UI Sub-Systems
   ========================================================================== */

/* CRM/Sales Pipelines Kanban style */
.crm-pipeline {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 24px;
}

.crm-column {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    min-height: 400px;
}

.crm-column-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 6px;
}

.crm-column-header h4 {
    font-size: 13.5px;
    font-weight: 700;
}

.crm-column-count {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-size: 11px;
    padding: 2px 8px;
    border-radius: var(--radius-full);
    font-weight: 600;
}

.crm-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 14px;
    box-shadow: var(--shadow-sm);
    cursor: grab;
    transition: all var(--transition-fast);
}

.crm-card:hover {
    border-color: var(--color-brand);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.crm-card h5 {
    font-size: 14px;
    margin-bottom: 4px;
}

.crm-card-customer {
    font-size: 12px;
    color: var(--text-muted);
    margin-bottom: 10px;
}

.crm-card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 12px;
}

.crm-card-value {
    font-weight: 700;
    color: var(--color-brand);
}

/* CFDI/XML Drag & Drop style */
.xml-dropzone {
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-lg);
    padding: 40px;
    text-align: center;
    cursor: pointer;
    background-color: var(--bg-secondary);
    transition: all var(--transition-fast);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}

.xml-dropzone:hover, .xml-dropzone.dragover {
    border-color: var(--color-brand);
    background-color: var(--color-brand-glow);
}

.xml-dropzone i {
    width: 48px;
    height: 48px;
    color: var(--color-brand);
}

.xml-dropzone h4 {
    font-size: 15px;
}

.xml-dropzone p {
    font-size: 12px;
    color: var(--text-muted);
}

/* CFDI Facturador visualizer */
.cfdi-visualizer {
    background-color: #ffffff;
    color: #333333;
    padding: 40px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    border: 1px solid #dddddd;
    font-family: 'Courier New', Courier, monospace;
    font-size: 12px;
    line-height: 1.5;
    margin-top: 16px;
    overflow-x: auto;
}

.cfdi-title {
    font-size: 16px;
    font-weight: 700;
    text-align: center;
    border-bottom: 2px solid #333333;
    padding-bottom: 10px;
    margin-bottom: 20px;
}

/* Gantt/Timeline scheduler style for Manufactura */
.production-gantt {
    display: flex;
    flex-direction: column;
    gap: 14px;
    margin-top: 10px;
}

.gantt-row {
    display: flex;
    align-items: center;
    gap: 16px;
}

.gantt-label {
    width: 140px;
    font-size: 12.5px;
    font-weight: 600;
}

.gantt-timeline {
    flex: 1;
    height: 24px;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    position: relative;
    overflow: hidden;
}

.gantt-bar {
    height: 100%;
    border-radius: var(--radius-full);
    background-color: var(--color-brand);
    position: absolute;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    font-size: 11px;
    font-weight: 700;
    transition: width var(--transition-slow);
}

.gantt-bar.brand { background: linear-gradient(90deg, var(--color-brand) 0%, var(--color-brand-hover) 100%); }
.gantt-bar.purple { background: linear-gradient(90deg, var(--color-purple) 0%, hsl(270, 75%, 70%) 100%); }
.gantt-bar.warning { background: linear-gradient(90deg, var(--color-warning) 0%, hsl(38, 92%, 60%) 100%); }
.gantt-bar.success { background: linear-gradient(90deg, var(--color-success) 0%, hsl(150, 84%, 47%) 100%); }

/* ==========================================================================
   Tab Navigation System
   ========================================================================== */
.tabs {
    display: flex;
    gap: 4px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 6px;
    overflow-x: auto;
}

.tab {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    border-radius: var(--radius-md);
    border: none;
    background: transparent;
    color: var(--text-secondary);
    font-family: var(--font-body);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    white-space: nowrap;
    transition: all var(--transition-fast);
}

.tab i {
    width: 16px;
    height: 16px;
}

.tab:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.tab.active {
    background: var(--color-brand);
    color: #ffffff;
    font-weight: 600;
    box-shadow: 0 2px 8px var(--color-brand-glow);
}

/* KPI Card - Danger variant */
.kpi-card.danger::before { background-color: var(--color-danger); }
.kpi-card.danger .kpi-icon { background-color: var(--color-danger-glow); color: var(--color-danger); }

/* KPI Card - Info variant */
.kpi-card.info::before { background-color: var(--color-info); }
.kpi-card.info .kpi-icon { background-color: var(--color-info-glow); color: var(--color-info); }

/* ===== Global Search Results Dropdown ===== */
.search-bar {
    position: relative;
}

.search-results-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: 0 12px 40px rgba(0,0,0,0.25);
    z-index: 1000;
    max-height: 400px;
    overflow-y: auto;
    display: none;
    margin-top: 4px;
}

.search-results-dropdown.active {
    display: block;
    animation: fadeInDown 0.15s ease;
}

@keyframes fadeInDown {
    from { opacity: 0; transform: translateY(-8px); }
    to { opacity: 1; transform: translateY(0); }
}

.search-result-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 16px;
    cursor: pointer;
    transition: background var(--transition-fast);
    text-decoration: none;
    color: var(--text-primary);
    border-bottom: 1px solid var(--border-color);
}

.search-result-item:last-child {
    border-bottom: none;
}

.search-result-item:hover {
    background: var(--bg-hover);
}

.search-result-item.no-results {
    justify-content: center;
    padding: 20px;
    cursor: default;
}

.search-result-icon {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-sm);
    background: var(--color-brand-glow);
    color: var(--color-brand);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.search-result-icon svg {
    width: 16px;
    height: 16px;
}

.search-result-body {
    flex: 1;
    min-width: 0;
}

.search-result-label {
    font-size: 13px;
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.search-result-sub {
    font-size: 11px;
    color: var(--text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ===== Export Buttons Toolbar ===== */
.export-toolbar {
    display: flex;
    gap: 8px;
    align-items: center;
}

.export-toolbar .btn {
    font-size: 11px;
    padding: 5px 12px;
    gap: 4px;
}

.export-toolbar .btn svg {
    width: 13px;
    height: 13px;
}

/* ===== Mobile Sidebar Overlay ===== */
.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 98;
}

/* ===== RESPONSIVE DESIGN ===== */

/* --- Tablet (max-width: 1024px) --- */
@media (max-width: 1024px) {
    :root {
        --sidebar-width: 220px;
    }

    .grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }

    .grid-3 {
        grid-template-columns: repeat(2, 1fr);
    }

    .page-header {
        flex-direction: column;
        gap: 12px;
        align-items: flex-start;
    }

    .header-actions {
        width: 100%;
        display: flex;
        flex-wrap: wrap;
        gap: 8px;
    }

    .kpi-value {
        font-size: 22px;
    }

    .crm-pipeline {
        flex-direction: column;
    }

    .crm-column {
        min-width: unset;
    }
}

/* --- Small Tablet / Large Phone (max-width: 991px) --- */
@media (max-width: 991px) {
    .sidebar {
        position: fixed;
        left: -280px;
        top: 0;
        height: 100vh;
        width: 260px;
        z-index: 99;
        transition: left var(--transition-normal);
    }

    .sidebar.mobile-open {
        left: 0;
        box-shadow: 6px 0 30px rgba(0,0,0,0.4);
    }

    .sidebar.mobile-open ~ .sidebar-overlay {
        display: block;
    }

    .main-layout {
        margin-left: 0 !important;
        width: 100% !important;
    }

    .topbar {
        padding: 0 12px;
    }

    .search-bar {
        max-width: 240px;
    }

    .search-bar input {
        font-size: 12px;
    }

    .branch-selector {
        display: none;
    }

    .content-container {
        padding: 16px;
    }

    .grid-2 {
        grid-template-columns: 1fr;
    }

    .tabs {
        flex-wrap: wrap;
    }

    .tab {
        font-size: 11px;
        padding: 6px 12px;
    }

    .modal {
        width: 95vw;
        max-width: 95vw;
        margin: 10px;
    }
}

/* --- Mobile (max-width: 640px) --- */
@media (max-width: 640px) {
    .search-bar {
        display: none;
    }

    .topbar-right {
        gap: 6px;
    }

    .profile-trigger .avatar-img {
        width: 30px;
        height: 30px;
    }

    .grid-4,
    .grid-3,
    .grid-2 {
        grid-template-columns: 1fr;
    }

    .page-header h1 {
        font-size: 20px;
    }

    .page-header p {
        font-size: 12px;
    }

    .header-actions {
        flex-direction: column;
    }

    .header-actions .btn {
        width: 100%;
        justify-content: center;
    }

    .kpi-card {
        padding: 14px;
    }

    .kpi-value {
        font-size: 20px;
    }

    .card {
        border-radius: var(--radius-sm);
    }

    .card-header {
        padding: 12px 14px;
    }

    .card-body {
        padding: 14px;
    }

    .erp-table {
        font-size: 11px;
    }

    .erp-table th,
    .erp-table td {
        padding: 6px 8px;
    }

    .table-container {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    .tabs {
        gap: 4px;
    }

    .tab {
        font-size: 10.5px;
        padding: 5px 10px;
        white-space: nowrap;
    }

    .content-container {
        padding: 12px;
    }

    .topbar {
        height: 56px;
        padding: 0 10px;
    }

    .btn {
        font-size: 12px;
        padding: 6px 14px;
    }

    .notification-dropdown {
        right: -50px;
        width: 280px;
    }

    /* POS layout adjustments */
    .pos-layout {
        flex-direction: column !important;
    }

    .pos-products-panel,
    .pos-cart-panel {
        width: 100% !important;
        max-width: 100% !important;
    }
}

/* --- Print Styles --- */
@media print {
    .sidebar,
    .topbar,
    .toast-container,
    .modal-backdrop,
    .header-actions,
    .tabs,
    .btn {
        display: none !important;
    }

    .main-layout {
        margin-left: 0 !important;
    }

    .content-container {
        padding: 0 !important;
    }

    .card {
        box-shadow: none !important;
        border: 1px solid #ddd;
        break-inside: avoid;
    }
}