/* Design System: Linear Theme (Minimalist Deep Space Dark & Purple Accent) */

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

:root {
    --bg-primary: #09090b;
    --bg-secondary: #121214;
    --bg-surface: #18181b;
    --bg-surface-hover: #27272a;
    --bg-card: #18181b;
    --bg-tertiary: #121214;
    
    --accent: #8b5cf6;
    --accent-hover: #7c3aed;
    --accent-rgb: 139, 92, 246;
    
    --text-primary: #f4f4f5;
    --text-secondary: #a1a1aa;
    --text-muted: #52525b;
    
    --border-color: #27272a;
    --border-color-hover: #3f3f46;
    
    --success: #10b981;
    --danger: #f43f5e;
    --warning: #f59e0b;
    
    --sidebar-width: 260px;
    --font-sans: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.15), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

/* Light Theme Variables Override */
body.light-theme {
    --bg-primary: #fafafa;
    --bg-secondary: #f4f4f5;
    --bg-surface: #ffffff;
    --bg-surface-hover: #e4e4e7;
    --bg-card: #ffffff;
    --bg-tertiary: #f4f4f5;
    
    --accent: #7c3aed;
    --accent-hover: #6d28d9;
    
    --text-primary: #09090b;
    --text-secondary: #71717a;
    --text-muted: #a1a1aa;
    
    --border-color: #e4e4e7;
    --border-color-hover: #d4d4d8;
    
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.02);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.03), 0 2px 4px -1px rgba(0, 0, 0, 0.02);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.04), 0 4px 6px -2px rgba(0, 0, 0, 0.02);
}

/* Resets & Base Styles */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font-sans);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    min-height: 100vh;
    display: flex;
    overflow-x: hidden;
}

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

button, input, select, textarea {
    font-family: inherit;
    color: inherit;
    background: none;
    border: none;
    outline: none;
}

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

/* Sidebar Layout */
.sidebar {
    width: var(--sidebar-width);
    background-color: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    z-index: 50;
}

.sidebar-brand {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 2rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.sidebar-brand .dot {
    width: 8px;
    height: 8px;
    background-color: var(--accent);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--accent);
}

.sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    flex-grow: 1;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    border-radius: 6px;
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.95rem;
    transition: all 0.15s ease-in-out;
}

.nav-link:hover, .nav-link.active {
    background-color: var(--bg-surface-hover);
    color: var(--text-primary);
}

.nav-link.active {
    border-left: 3px solid var(--accent);
    border-radius: 0 6px 6px 0;
    background-color: rgba(var(--accent-rgb), 0.08);
}

/* Sidebar Accordion Module Styling */
.module-group {
    margin-bottom: 0.5rem;
}

.module-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.65rem 0.85rem;
    border-radius: 6px;
    color: var(--text-primary);
    font-weight: 700;
    font-size: 0.825rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    cursor: pointer;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: all 0.2s ease;
    user-select: none;
}

.module-header:hover {
    background: rgba(var(--accent-rgb), 0.1);
    border-color: rgba(var(--accent-rgb), 0.2);
    color: var(--accent);
}

.module-header .module-title {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.module-header .chevron {
    font-size: 0.75rem;
    transition: transform 0.25s ease;
    color: var(--text-secondary);
}

.module-group.open .module-header .chevron {
    transform: rotate(180deg);
    color: var(--accent);
}

.module-items {
    display: none;
    flex-direction: column;
    gap: 0.2rem;
    padding-left: 0.5rem;
    margin-top: 0.25rem;
}

.module-group.open .module-items {
    display: flex;
}

.module-items .nav-link {
    font-size: 0.875rem;
    padding: 0.55rem 0.85rem;
}

.sidebar-footer {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

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

.avatar {
    width: 36px;
    height: 36px;
    background-color: var(--border-color);
    color: var(--text-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.85rem;
}

.user-info .username {
    font-weight: 600;
    font-size: 0.9rem;
}

.user-info .user-role {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

/* Main Content Area */
.main-content {
    flex-grow: 1;
    margin-left: var(--sidebar-width);
    padding: 2rem 3rem;
    min-height: 100vh;
}

/* Header & Page Title */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.page-title {
    font-size: 1.75rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.header-actions {
    display: flex;
    gap: 1rem;
    align-items: center;
}

/* Premium Component Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    border-radius: 6px;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.15s ease-in-out;
}

.btn-primary {
    background-color: var(--accent);
    color: white;
}

.btn-primary:hover {
    background-color: var(--accent-hover);
    box-shadow: 0 0 12px rgba(var(--accent-rgb), 0.3);
}

.btn-secondary {
    background-color: var(--bg-surface);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

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

/* Cards & Containers */
.card {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1.5rem;
    box-shadow: var(--shadow-md);
    margin-bottom: 1.5rem;
}

/* Interactive Table System */
.table-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    gap: 1rem;
}

.search-wrapper {
    position: relative;
    flex-grow: 1;
    max-width: 400px;
}

.search-input {
    width: 100%;
    padding: 0.625rem 1rem 0.625rem 2.25rem;
    border-radius: 6px;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    font-size: 0.9rem;
    transition: border-color 0.15s ease-in-out;
}

.search-input:focus {
    border-color: var(--accent);
}

.search-icon {
    position: absolute;
    left: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-secondary);
    pointer-events: none;
    font-size: 0.9rem;
}

.table-responsive {
    overflow-x: auto;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    font-size: 0.9rem;
}

.data-table th {
    background-color: var(--bg-secondary);
    color: var(--text-secondary);
    font-weight: 600;
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
    cursor: pointer;
    user-select: none;
    white-space: nowrap;
}

.data-table th:hover {
    color: var(--text-primary);
}

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

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

.data-table tbody tr {
    transition: background-color 0.1s ease-in-out;
}

.data-table tbody tr:hover {
    background-color: rgba(255, 255, 255, 0.015);
}

/* Modals & Backdrop Blur */
.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: 100;
}

.modal-content {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    width: 100%;
    max-width: 550px;
    padding: 2rem;
    box-shadow: var(--shadow-xl);
    animation: modal-slide-in 0.2s ease-out;
}

@keyframes modal-slide-in {
    from { transform: translateY(15px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.modal-title {
    font-size: 1.25rem;
    font-weight: 700;
}

.modal-close {
    font-size: 1.5rem;
    color: var(--text-secondary);
    cursor: pointer;
}

.modal-close:hover {
    color: var(--text-primary);
}

/* Form Styling */
.form-group {
    margin-bottom: 1.25rem;
}

.form-label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.form-control {
    width: 100%;
    padding: 0.625rem 0.875rem;
    border-radius: 6px;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    font-size: 0.9rem;
    transition: all 0.15s ease-in-out;
}

.form-control:focus {
    border-color: var(--accent);
    background-color: var(--bg-primary);
}

.form-actions {
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
    margin-top: 2rem;
}

/* Command Palette floating Overlay */
.command-palette-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(6px);
    display: none;
    justify-content: center;
    padding-top: 15vh;
    z-index: 200;
}

.command-palette {
    width: 100%;
    max-width: 600px;
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    box-shadow: var(--shadow-xl);
    overflow: hidden;
}

.cp-search-input {
    width: 100%;
    padding: 1.25rem;
    font-size: 1.05rem;
    border-bottom: 1px solid var(--border-color);
}

.cp-results-list {
    max-height: 350px;
    overflow-y: auto;
    list-style: none;
}

.cp-item {
    padding: 0.875rem 1.25rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.cp-item:hover, .cp-item.selected {
    background-color: var(--bg-surface-hover);
    color: var(--text-primary);
}

.cp-item-shortcut {
    font-size: 0.75rem;
    background-color: var(--border-color);
    padding: 0.2rem 0.4rem;
    border-radius: 4px;
    font-family: monospace;
}

/* Dynamic Table Pagination & Export Footer */
.table-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 1rem;
    background-color: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    font-size: 0.8rem;
    color: var(--text-secondary);
    border-radius: 0 0 8px 8px;
}

.table-pagination {
    display: flex;
    gap: 0.25rem;
    align-items: center;
}

.pagination-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 28px;
    height: 28px;
    padding: 0 6px;
    border-radius: 4px;
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s;
}

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

.pagination-btn.active {
    background-color: var(--accent);
    color: white;
    border-color: var(--accent);
}

.pagination-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.table-export-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.35rem 0.75rem;
    border-radius: 4px;
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-size: 0.8rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s;
}

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