/* ===================================
   Enterprise System - Desktop App CSS
   =================================== */

/* ===================================
   CSS VARIABLES
   =================================== */
:root {
    /* Colors */
    --primary-blue: #0078d4;
    --primary-dark: #005a9e;
    --accent-green: #107c10;
    --accent-orange: #ff8c00;
    --accent-red: #e81123;

    /* Neutrals */
    --bg-window: #f3f3f3;
    --bg-panel: #ffffff;
    --bg-sidebar: #f8f8f8;
    --bg-titlebar: #2d2d30;
    --bg-menubar: #f0f0f0;
    --bg-toolbar: #f5f5f5;
    --bg-statusbar: #007acc;

    --text-primary: #1f1f1f;
    --text-secondary: #616161;
    --text-light: #8a8a8a;
    --text-inverse: #ffffff;

    --border-color: #d4d4d4;
    --border-dark: #cccccc;

    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 12px;
    --spacing-lg: 16px;
    --spacing-xl: 24px;

    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.12);
    --shadow-md: 0 2px 8px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 4px 16px rgba(0, 0, 0, 0.2);
}

/* ===================================
   RESET & BASE
   =================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: #2d2d30;
    color: var(--text-primary);
    line-height: 1.5;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 20px;
}

/* ===================================
   DESKTOP WINDOW
   =================================== */
.desktop-window {
    width: 100%;
    max-width: 1400px;
    height: 90vh;
    background: var(--bg-window);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    display: flex;
    flex-direction: column;
}

/* ===================================
   TITLE BAR
   =================================== */
.title-bar {
    background: var(--bg-titlebar);
    color: var(--text-inverse);
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--spacing-sm);
    user-select: none;
}

.title-bar-left {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.window-icon {
    width: 16px;
    height: 16px;
    color: var(--primary-blue);
}

.window-title {
    font-size: 12px;
    font-weight: 400;
}

.title-bar-right {
    display: flex;
    gap: 1px;
}

.window-control {
    width: 46px;
    height: 32px;
    background: transparent;
    border: none;
    color: var(--text-inverse);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.15s;
}

.window-control:hover {
    background: rgba(255, 255, 255, 0.1);
}

.window-control.close:hover {
    background: #e81123;
}

.window-control svg {
    width: 12px;
    height: 12px;
}

/* ===================================
   MENU BAR
   =================================== */
.menu-bar {
    background: var(--bg-menubar);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    padding: 0 var(--spacing-sm);
    height: 28px;
    align-items: center;
}

.menu-item {
    position: relative;
    padding: 0 var(--spacing-md);
    height: 100%;
    display: flex;
    align-items: center;
    font-size: 13px;
    cursor: pointer;
    transition: background 0.15s;
}

.menu-item:hover {
    background: rgba(0, 0, 0, 0.05);
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--bg-panel);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-md);
    min-width: 180px;
    padding: var(--spacing-xs) 0;
    display: none;
    z-index: 1000;
}

.menu-item:hover .dropdown-menu {
    display: block;
}

.menu-option {
    display: block;
    padding: var(--spacing-sm) var(--spacing-lg);
    color: var(--text-primary);
    text-decoration: none;
    font-size: 13px;
    transition: background 0.15s;
}

.menu-option:hover {
    background: var(--primary-blue);
    color: var(--text-inverse);
}

.menu-divider {
    height: 1px;
    background: var(--border-color);
    margin: var(--spacing-xs) 0;
}

/* ===================================
   TOOLBAR
   =================================== */
.toolbar {
    background: var(--bg-toolbar);
    border-bottom: 1px solid var(--border-color);
    padding: var(--spacing-sm);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.toolbar-group {
    display: flex;
    gap: 2px;
}

.toolbar-btn {
    width: 32px;
    height: 32px;
    background: transparent;
    border: 1px solid transparent;
    border-radius: 3px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.15s;
}

.toolbar-btn:hover {
    background: rgba(0, 0, 0, 0.05);
    border-color: var(--border-color);
}

.toolbar-btn svg {
    width: 16px;
    height: 16px;
    color: var(--text-primary);
}

.toolbar-divider {
    width: 1px;
    height: 24px;
    background: var(--border-color);
}

.toolbar-spacer {
    flex: 1;
}

.toolbar .search-box {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 0 var(--spacing-md);
    background: var(--bg-panel);
    border: 1px solid var(--border-color);
    border-radius: 3px;
    height: 28px;
    width: 250px;
}

.toolbar .search-box svg {
    width: 14px;
    height: 14px;
    color: var(--text-secondary);
}

.toolbar .search-box input {
    flex: 1;
    border: none;
    background: none;
    outline: none;
    font-size: 13px;
    color: var(--text-primary);
}

/* ===================================
   MAIN CONTAINER
   =================================== */
.main-container {
    flex: 1;
    display: flex;
    overflow: hidden;
}

/* ===================================
   SIDEBAR
   =================================== */
.sidebar {
    width: 240px;
    background: var(--bg-sidebar);
    border-right: 1px solid var(--border-color);
    overflow-y: auto;
    padding: var(--spacing-lg) 0;
}

.sidebar-section {
    margin-bottom: var(--spacing-xl);
}

.section-title {
    font-size: 11px;
    font-weight: 600;
    color: var(--text-secondary);
    padding: 0 var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
    letter-spacing: 0.5px;
}

.sidebar-nav {
    display: flex;
    flex-direction: column;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-sm) var(--spacing-lg);
    color: var(--text-primary);
    text-decoration: none;
    font-size: 13px;
    transition: all 0.15s;
    position: relative;
}

.nav-link:hover {
    background: rgba(0, 0, 0, 0.03);
}

.nav-link.active {
    background: var(--primary-blue);
    color: var(--text-inverse);
}

.nav-link.active::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--primary-dark);
}

.nav-link svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

.nav-link .badge {
    margin-left: auto;
    background: var(--primary-blue);
    color: var(--text-inverse);
    font-size: 11px;
    padding: 2px 6px;
    border-radius: 10px;
    font-weight: 600;
}

.nav-link.active .badge {
    background: rgba(255, 255, 255, 0.2);
}

.badge.danger {
    background: var(--accent-red);
}

/* ===================================
   CONTENT AREA
   =================================== */
.content-area {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

/* ===================================
   TABS
   =================================== */
.tabs-container {
    display: flex;
    background: var(--bg-menubar);
    border-bottom: 1px solid var(--border-color);
    overflow-x: auto;
}

.tab {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    background: transparent;
    border-right: 1px solid var(--border-color);
    cursor: pointer;
    font-size: 13px;
    color: var(--text-secondary);
    transition: all 0.15s;
    white-space: nowrap;
}

.tab:hover {
    background: rgba(0, 0, 0, 0.03);
}

.tab.active {
    background: var(--bg-panel);
    color: var(--text-primary);
    border-bottom: 2px solid var(--primary-blue);
}

.tab-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 16px;
    padding: 0;
    width: 16px;
    height: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 3px;
    transition: all 0.15s;
}

.tab-close:hover {
    background: rgba(0, 0, 0, 0.1);
    color: var(--text-primary);
}

.tab-new {
    background: none;
    border: none;
    padding: 0 var(--spacing-lg);
    cursor: pointer;
    font-size: 18px;
    color: var(--text-secondary);
    transition: all 0.15s;
}

.tab-new:hover {
    background: rgba(0, 0, 0, 0.03);
    color: var(--text-primary);
}

/* ===================================
   TAB CONTENT
   =================================== */
.tab-content {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-xl);
    display: none;
}

.tab-content.active {
    display: block;
}

/* ===================================
   STATS GRID
   =================================== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.stat-card {
    background: var(--bg-panel);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: var(--spacing-lg);
}

.stat-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.stat-label {
    font-size: 13px;
    color: var(--text-secondary);
    font-weight: 500;
}

.stat-icon {
    width: 20px;
    height: 20px;
    color: var(--primary-blue);
}

.stat-value {
    font-size: 32px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.stat-change {
    font-size: 12px;
    font-weight: 500;
}

.stat-change.positive {
    color: var(--accent-green);
}

.stat-change.negative {
    color: var(--accent-red);
}

/* ===================================
   PANEL
   =================================== */
.panel {
    background: var(--bg-panel);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    overflow: hidden;
}

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

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

.panel-actions {
    display: flex;
    gap: var(--spacing-sm);
}

.panel-body {
    overflow-x: auto;
}

.panel-footer {
    padding: var(--spacing-md) var(--spacing-lg);
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--bg-sidebar);
}

/* ===================================
   BUTTONS
   =================================== */
.btn {
    padding: 6px 12px;
    border: 1px solid var(--border-color);
    background: var(--bg-panel);
    color: var(--text-primary);
    font-size: 13px;
    border-radius: 3px;
    cursor: pointer;
    transition: all 0.15s;
    font-weight: 500;
}

.btn:hover {
    background: var(--bg-sidebar);
    border-color: var(--border-dark);
}

.btn-primary {
    background: var(--primary-blue);
    color: var(--text-inverse);
    border-color: var(--primary-blue);
}

.btn-primary:hover {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
}

.btn-sm {
    padding: 4px 10px;
    font-size: 12px;
}

/* ===================================
   DATA TABLE
   =================================== */
.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}

.data-table thead {
    background: var(--bg-sidebar);
    border-bottom: 1px solid var(--border-color);
}

.data-table th {
    padding: var(--spacing-md);
    text-align: left;
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.data-table td {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
}

.data-table tbody tr:hover {
    background: var(--bg-sidebar);
}

.user-cell {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--primary-blue);
    color: var(--text-inverse);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 600;
}

code {
    font-family: 'Roboto Mono', monospace;
    background: var(--bg-sidebar);
    padding: 2px 6px;
    border-radius: 3px;
    font-size: 12px;
    color: var(--primary-blue);
}

.role-badge,
.status-badge {
    padding: 3px 8px;
    border-radius: 3px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.role-badge.admin {
    background: #fff4e5;
    color: var(--accent-orange);
}

.role-badge.user {
    background: #e3f2fd;
    color: var(--primary-blue);
}

.role-badge.moderator {
    background: #f3e5f5;
    color: #9c27b0;
}

.status-badge.active {
    background: #e8f5e9;
    color: var(--accent-green);
}

.status-badge.inactive {
    background: #fafafa;
    color: var(--text-secondary);
}

.status-badge.pending {
    background: #fff4e5;
    color: var(--accent-orange);
}

.action-buttons {
    display: flex;
    gap: var(--spacing-xs);
}

.btn-icon {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 16px;
    padding: var(--spacing-xs);
    border-radius: 3px;
    transition: background 0.15s;
}

.btn-icon:hover {
    background: rgba(0, 0, 0, 0.05);
}

/* ===================================
   PAGINATION
   =================================== */
.pagination-info {
    font-size: 13px;
    color: var(--text-secondary);
}

.pagination {
    display: flex;
    gap: 4px;
}

.pagination-btn {
    padding: 4px 10px;
    border: 1px solid var(--border-color);
    background: var(--bg-panel);
    color: var(--text-primary);
    font-size: 12px;
    border-radius: 3px;
    cursor: pointer;
    transition: all 0.15s;
}

.pagination-btn:hover:not(:disabled) {
    background: var(--bg-sidebar);
    border-color: var(--primary-blue);
}

.pagination-btn.active {
    background: var(--primary-blue);
    color: var(--text-inverse);
    border-color: var(--primary-blue);
}

.pagination-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ===================================
   STATUS BAR
   =================================== */
.status-bar {
    background: var(--bg-statusbar);
    color: var(--text-inverse);
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--spacing-md);
    font-size: 12px;
}

.status-left,
.status-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.status-item {
    display: flex;
    align-items: center;
    gap: 4px;
}

.status-item svg {
    width: 14px;
    height: 14px;
}

.status-divider {
    opacity: 0.5;
}

/* ===================================
   SCROLLBAR
   =================================== */
::-webkit-scrollbar {
    width: 12px;
    height: 12px;
}

::-webkit-scrollbar-track {
    background: var(--bg-sidebar);
}

::-webkit-scrollbar-thumb {
    background: var(--border-dark);
    border-radius: 6px;
    border: 2px solid var(--bg-sidebar);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-secondary);
}

/* ===================================
   RESPONSIVE
   =================================== */
@media (max-width: 1024px) {
    .sidebar {
        width: 200px;
    }

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

@media (max-width: 768px) {
    body {
        padding: 0;
    }

    .desktop-window {
        border-radius: 0;
        height: 100vh;
        max-width: 100%;
    }

    .sidebar {
        position: absolute;
        left: -240px;
        top: 0;
        bottom: 0;
        z-index: 100;
        transition: left 0.3s;
    }

    .sidebar.active {
        left: 0;
    }
}