/* Bifrost CRM Dark Theme CSS */
/* Design system derived from VTSaga, adapted for CRM */

:root {
    /* Background Colors */
    --bg-primary: #1a1a1a;
    --bg-secondary: #2a2a2a;
    --bg-tertiary: #3a3a3a;
    --bg-card: #252525;
    --bg-hover: #353535;
    --bg-input: #1f1f1f;

    /* Border Colors */
    --border-primary: #404040;
    --border-secondary: #333333;
    --border-focus: #0891b2;

    /* Text Colors */
    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --text-muted: #707070;
    --text-disabled: #505050;

    /* Accent Colors */
    --primary: #0891b2;
    --primary-hover: #0e7490;
    --primary-light: rgba(8, 145, 178, 0.15);
    --primary-dark: #155e75;

    /* Status Colors */
    --success: #10b981;
    --success-hover: #059669;
    --success-light: rgba(16, 185, 129, 0.1);

    --warning: #f59e0b;
    --warning-hover: #d97706;
    --warning-light: rgba(245, 158, 11, 0.1);

    --danger: #ef4444;
    --danger-hover: #dc2626;
    --danger-light: rgba(239, 68, 68, 0.1);

    --info: #3b82f6;
    --info-hover: #2563eb;
    --info-light: rgba(59, 130, 246, 0.1);

    /* CRM Sidebar Category Colors */
    --cat-crm: #0891b2;
    --cat-sales: #8b5cf6;
    --cat-marketing: #10b981;
    --cat-automation: #f59e0b;
    --cat-reports: #ec4899;
    --cat-communication: #3b82f6;
    --cat-settings: #64748b;

    /* Layout */
    --sidebar-width: 280px;
    --sidebar-collapsed-width: 70px;
    --header-height: 60px;
    --border-radius: 8px;
    --border-radius-lg: 12px;
    --border-radius-sm: 4px;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.4);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.5);

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.2s ease;
    --transition-slow: 0.3s ease;
}

/* ============================================
   Reset & Base
   ============================================ */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ============================================
   Typography
   ============================================ */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    color: var(--text-primary);
}

h1 { font-size: 2rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.25rem; }
h4 { font-size: 1.125rem; }
h5 { font-size: 1rem; }
h6 { font-size: 0.875rem; }

p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--primary-hover);
}

small {
    font-size: 0.8rem;
    color: var(--text-muted);
}

code {
    background: var(--bg-tertiary);
    padding: 2px 6px;
    border-radius: var(--border-radius-sm);
    font-size: 0.85rem;
    color: var(--primary);
}

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

/* ============================================
   Sidebar
   ============================================ */
.sidebar {
    width: var(--sidebar-width);
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-primary);
    height: 100vh;
    position: fixed;
    left: 0;
    top: 0;
    display: flex;
    flex-direction: column;
    transition: width var(--transition-normal);
    z-index: 1000;
}

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

.sidebar.collapsed .sidebar-logo span,
.sidebar.collapsed .nav-section-title,
.sidebar.collapsed .nav-item span,
.sidebar.collapsed .nav-item .nav-badge {
    display: none;
}

.sidebar.collapsed .nav-item {
    justify-content: center;
    padding: 12px 0;
}

.sidebar-header {
    padding: 20px;
    border-bottom: 1px solid var(--border-primary);
    display: flex;
    align-items: center;
    gap: 12px;
}

.sidebar-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: var(--text-primary);
}

.sidebar-logo i {
    font-size: 1.5rem;
    color: var(--primary);
}

.sidebar-logo span {
    font-size: 1.25rem;
    font-weight: 700;
}

.sidebar-toggle {
    margin-left: auto;
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 4px;
    transition: color var(--transition-fast);
}

.sidebar-toggle:hover {
    color: var(--text-primary);
}

.sidebar-nav {
    flex: 1;
    padding: 16px 0;
    overflow-y: auto;
}

.sidebar-nav::-webkit-scrollbar {
    width: 4px;
}

.sidebar-nav::-webkit-scrollbar-track {
    background: transparent;
}

.sidebar-nav::-webkit-scrollbar-thumb {
    background: var(--border-primary);
    border-radius: 2px;
}

.nav-section {
    margin-bottom: 24px;
}

.nav-section-title {
    padding: 8px 24px;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
}

/* Category color indicators for sidebar sections */
.nav-section-title[data-category="crm"] { color: var(--cat-crm); }
.nav-section-title[data-category="sales"] { color: var(--cat-sales); }
.nav-section-title[data-category="marketing"] { color: var(--cat-marketing); }
.nav-section-title[data-category="automation"] { color: var(--cat-automation); }
.nav-section-title[data-category="reports"] { color: var(--cat-reports); }
.nav-section-title[data-category="communication"] { color: var(--cat-communication); }
.nav-section-title[data-category="settings"] { color: var(--cat-settings); }

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 24px;
    color: var(--text-secondary);
    text-decoration: none;
    transition: all var(--transition-fast);
    cursor: pointer;
}

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

.nav-item.active {
    background: var(--primary-light);
    color: var(--primary);
    border-right: 3px solid var(--primary);
}

/* Category-specific active states */
.nav-item.active[data-category="crm"] {
    background: rgba(8, 145, 178, 0.15);
    color: var(--cat-crm);
    border-right-color: var(--cat-crm);
}

.nav-item.active[data-category="sales"] {
    background: rgba(139, 92, 246, 0.15);
    color: var(--cat-sales);
    border-right-color: var(--cat-sales);
}

.nav-item.active[data-category="marketing"] {
    background: rgba(16, 185, 129, 0.15);
    color: var(--cat-marketing);
    border-right-color: var(--cat-marketing);
}

.nav-item.active[data-category="automation"] {
    background: rgba(245, 158, 11, 0.15);
    color: var(--cat-automation);
    border-right-color: var(--cat-automation);
}

.nav-item.active[data-category="reports"] {
    background: rgba(236, 72, 153, 0.15);
    color: var(--cat-reports);
    border-right-color: var(--cat-reports);
}

.nav-item.active[data-category="communication"] {
    background: rgba(59, 130, 246, 0.15);
    color: var(--cat-communication);
    border-right-color: var(--cat-communication);
}

.nav-item.active[data-category="settings"] {
    background: rgba(100, 116, 139, 0.15);
    color: var(--cat-settings);
    border-right-color: var(--cat-settings);
}

.nav-item i {
    width: 20px;
    text-align: center;
    font-size: 1rem;
}

.nav-badge {
    margin-left: auto;
    background: var(--primary);
    color: white;
    font-size: 0.65rem;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: 10px;
    min-width: 20px;
    text-align: center;
}

.sidebar-footer {
    padding: 16px 20px;
    border-top: 1px solid var(--border-primary);
}

/* ============================================
   Main Content
   ============================================ */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ============================================
   Header
   ============================================ */
.main-header {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-primary);
    padding: 16px 32px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 16px;
}

.header-title {
    font-size: 1.25rem;
    font-weight: 600;
}

.header-subtitle {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.header-breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.header-breadcrumb a {
    color: var(--text-muted);
    transition: color var(--transition-fast);
}

.header-breadcrumb a:hover {
    color: var(--primary);
}

.header-breadcrumb .separator {
    color: var(--text-disabled);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.header-search {
    position: relative;
}

.header-search input {
    background: var(--bg-input);
    border: 1px solid var(--border-primary);
    border-radius: var(--border-radius);
    color: var(--text-primary);
    padding: 8px 16px 8px 36px;
    font-size: 0.85rem;
    width: 240px;
    transition: all var(--transition-fast);
}

.header-search input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-light);
    width: 320px;
}

.header-search i {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
}

/* ============================================
   Main Body
   ============================================ */
.main-body {
    flex: 1;
    padding: 32px;
}

/* ============================================
   Cards
   ============================================ */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border-primary);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
}

.card-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-primary);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.card-title {
    font-size: 1rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}

.card-body {
    padding: 20px;
}

.card-footer {
    padding: 16px 20px;
    border-top: 1px solid var(--border-primary);
    background: var(--bg-secondary);
}

.card-flush .card-body {
    padding: 0;
}

/* ============================================
   Buttons
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    border-radius: var(--border-radius);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    border: none;
    transition: all var(--transition-fast);
    text-decoration: none;
    white-space: nowrap;
}

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

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

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

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

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

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

.btn-success:hover {
    background: var(--success-hover);
    color: white;
}

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

.btn-danger:hover {
    background: var(--danger-hover);
    color: white;
}

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

.btn-warning:hover {
    background: var(--warning-hover);
    color: white;
}

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

.btn-info:hover {
    background: var(--info-hover);
    color: white;
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--border-primary);
    color: var(--text-primary);
}

.btn-outline:hover {
    background: var(--bg-hover);
}

.btn-outline-primary {
    background: transparent;
    border: 1px solid var(--primary);
    color: var(--primary);
}

.btn-outline-primary:hover {
    background: var(--primary-light);
}

.btn-ghost {
    background: transparent;
    border: none;
    color: var(--text-secondary);
}

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

.btn-sm {
    padding: 6px 12px;
    font-size: 0.8rem;
}

.btn-lg {
    padding: 14px 28px;
    font-size: 1rem;
}

.btn-icon {
    width: 36px;
    height: 36px;
    padding: 0;
    border-radius: var(--border-radius);
}

.btn-icon-sm {
    width: 28px;
    height: 28px;
    padding: 0;
    font-size: 0.8rem;
    border-radius: var(--border-radius-sm);
}

.btn-group {
    display: inline-flex;
    gap: 0;
}

.btn-group .btn {
    border-radius: 0;
}

.btn-group .btn:first-child {
    border-radius: var(--border-radius) 0 0 var(--border-radius);
}

.btn-group .btn:last-child {
    border-radius: 0 var(--border-radius) var(--border-radius) 0;
}

/* ============================================
   Forms
   ============================================ */
.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    margin-bottom: 8px;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-primary);
}

.form-label .required {
    color: var(--danger);
    margin-left: 2px;
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 12px 16px;
    background: var(--bg-input);
    border: 1px solid var(--border-primary);
    border-radius: var(--border-radius);
    color: var(--text-primary);
    font-size: 0.9rem;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px var(--primary-light);
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--text-muted);
}

.form-input.error,
.form-select.error,
.form-textarea.error {
    border-color: var(--danger);
    box-shadow: 0 0 0 3px var(--danger-light);
}

.form-textarea {
    min-height: 120px;
    resize: vertical;
}

.form-help {
    margin-top: 6px;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.form-error {
    margin-top: 6px;
    font-size: 0.8rem;
    color: var(--danger);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
}

.form-checkbox,
.form-radio {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
}

.form-checkbox input,
.form-radio input {
    accent-color: var(--primary);
    width: 16px;
    height: 16px;
}

.form-inline {
    display: flex;
    align-items: center;
    gap: 12px;
}

.input-group {
    display: flex;
    align-items: stretch;
}

.input-group .form-input {
    border-radius: 0;
}

.input-group .form-input:first-child {
    border-radius: var(--border-radius) 0 0 var(--border-radius);
}

.input-group .form-input:last-child {
    border-radius: 0 var(--border-radius) var(--border-radius) 0;
}

.input-group-text {
    display: flex;
    align-items: center;
    padding: 0 12px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-primary);
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* ============================================
   Tables
   ============================================ */
.table-container {
    overflow-x: auto;
}

.table {
    width: 100%;
    border-collapse: collapse;
}

.table th,
.table td {
    padding: 12px 16px;
    text-align: left;
    border-bottom: 1px solid var(--border-primary);
}

.table th {
    background: var(--bg-secondary);
    font-weight: 600;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
}

.table td {
    color: var(--text-primary);
}

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

.table tbody tr.selected {
    background: var(--primary-light);
}

.table-striped tbody tr:nth-child(even) {
    background: var(--bg-secondary);
}

.table-compact th,
.table-compact td {
    padding: 8px 12px;
    font-size: 0.85rem;
}

/* ============================================
   Badges
   ============================================ */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 500;
}

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

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

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

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

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

.badge-neutral {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
}

.badge-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    display: inline-block;
    margin-right: 6px;
}

.badge-dot.primary { background: var(--primary); }
.badge-dot.success { background: var(--success); }
.badge-dot.warning { background: var(--warning); }
.badge-dot.danger { background: var(--danger); }
.badge-dot.info { background: var(--info); }

/* ============================================
   Modals
   ============================================ */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: var(--bg-card);
    border-radius: var(--border-radius-lg);
    width: 90%;
    max-width: 600px;
    max-height: 90vh;
    overflow: hidden;
    transform: translateY(-20px);
    transition: transform var(--transition-normal);
}

.modal-lg {
    max-width: 800px;
}

.modal-xl {
    max-width: 1000px;
}

.modal-overlay.active .modal {
    transform: translateY(0);
}

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

.modal-title {
    font-size: 1.25rem;
    font-weight: 600;
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-muted);
    cursor: pointer;
    transition: color var(--transition-fast);
}

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

.modal-body {
    padding: 24px;
    overflow-y: auto;
    max-height: calc(90vh - 140px);
}

.modal-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--border-primary);
    display: flex;
    justify-content: flex-end;
    gap: 12px;
}

/* ============================================
   Alerts
   ============================================ */
.alert {
    padding: 16px 20px;
    border-radius: var(--border-radius);
    margin-bottom: 20px;
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.alert-success {
    background: var(--success-light);
    border: 1px solid var(--success);
    color: var(--success);
}

.alert-warning {
    background: var(--warning-light);
    border: 1px solid var(--warning);
    color: var(--warning);
}

.alert-danger {
    background: var(--danger-light);
    border: 1px solid var(--danger);
    color: var(--danger);
}

.alert-info {
    background: var(--info-light);
    border: 1px solid var(--info);
    color: var(--info);
}

.alert-dismissible {
    position: relative;
    padding-right: 40px;
}

.alert-close {
    position: absolute;
    top: 16px;
    right: 16px;
    background: none;
    border: none;
    color: inherit;
    cursor: pointer;
    opacity: 0.7;
    transition: opacity var(--transition-fast);
}

.alert-close:hover {
    opacity: 1;
}

/* ============================================
   Stats Cards
   ============================================ */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
    margin-bottom: 32px;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border-primary);
    border-radius: var(--border-radius-lg);
    padding: 24px;
}

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

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
}

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

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

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

.stat-icon.danger {
    background: var(--danger-light);
    color: var(--danger);
}

.stat-icon.info {
    background: var(--info-light);
    color: var(--info);
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    line-height: 1;
    margin-bottom: 4px;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-muted);
}

.stat-change {
    font-size: 0.8rem;
    display: flex;
    align-items: center;
    gap: 4px;
}

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

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

/* ============================================
   Tabs
   ============================================ */
.tabs {
    display: flex;
    border-bottom: 1px solid var(--border-primary);
    margin-bottom: 24px;
}

.tab {
    padding: 12px 20px;
    color: var(--text-muted);
    cursor: pointer;
    border-bottom: 2px solid transparent;
    transition: all var(--transition-fast);
    font-size: 0.9rem;
}

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

.tab.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
}

.tab-content {
    display: none;
}

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

/* ============================================
   Dropdowns
   ============================================ */
.dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    right: 0;
    min-width: 180px;
    background: var(--bg-card);
    border: 1px solid var(--border-primary);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-fast);
}

.dropdown.open .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(5px);
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 16px;
    color: var(--text-primary);
    cursor: pointer;
    transition: background var(--transition-fast);
    text-decoration: none;
}

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

.dropdown-item.danger {
    color: var(--danger);
}

.dropdown-divider {
    height: 1px;
    background: var(--border-primary);
    margin: 8px 0;
}

.dropdown-header {
    padding: 8px 16px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--text-muted);
    letter-spacing: 0.5px;
}

/* ============================================
   Avatar
   ============================================ */
.avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--primary-light);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    flex-shrink: 0;
}

.avatar-sm { width: 32px; height: 32px; font-size: 0.8rem; }
.avatar-lg { width: 56px; height: 56px; font-size: 1.25rem; }
.avatar-xl { width: 80px; height: 80px; font-size: 1.5rem; }

.avatar img {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
}

.avatar-group {
    display: flex;
}

.avatar-group .avatar {
    border: 2px solid var(--bg-card);
    margin-left: -8px;
}

.avatar-group .avatar:first-child {
    margin-left: 0;
}

/* ============================================
   Tooltips
   ============================================ */
[data-tooltip] {
    position: relative;
}

[data-tooltip]::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    padding: 6px 12px;
    background: var(--bg-tertiary);
    color: var(--text-primary);
    font-size: 0.75rem;
    border-radius: var(--border-radius-sm);
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-fast);
    pointer-events: none;
}

[data-tooltip]:hover::after {
    opacity: 1;
    visibility: visible;
    bottom: calc(100% + 5px);
}

/* ============================================
   Empty State
   ============================================ */
.empty-state {
    text-align: center;
    padding: 60px 40px;
}

.empty-state-icon {
    font-size: 4rem;
    color: var(--text-muted);
    margin-bottom: 20px;
}

.empty-state-title {
    font-size: 1.25rem;
    margin-bottom: 8px;
}

.empty-state-text {
    color: var(--text-muted);
    margin-bottom: 24px;
}

/* ============================================
   Loading
   ============================================ */
.loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border-primary);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.loading-spinner-sm {
    width: 20px;
    height: 20px;
    border-width: 2px;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.loading-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(26, 26, 26, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 50;
    border-radius: inherit;
}

/* ============================================
   Pagination
   ============================================ */
.pagination {
    display: flex;
    align-items: center;
    gap: 8px;
}

.pagination-item {
    padding: 8px 14px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-primary);
    border-radius: var(--border-radius-sm);
    color: var(--text-primary);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
}

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

.pagination-item.active {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
}

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

.pagination-info {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-left: 12px;
}

/* ============================================
   CRM: Timeline Component
   Activity history for contact/deal pages
   ============================================ */
.timeline {
    position: relative;
    padding-left: 32px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 11px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--border-primary);
}

.timeline-item {
    position: relative;
    padding-bottom: 24px;
}

.timeline-item:last-child {
    padding-bottom: 0;
}

.timeline-dot {
    position: absolute;
    left: -32px;
    top: 4px;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--bg-card);
    border: 2px solid var(--border-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.65rem;
    z-index: 1;
}

.timeline-dot.primary {
    border-color: var(--primary);
    color: var(--primary);
}

.timeline-dot.success {
    border-color: var(--success);
    color: var(--success);
}

.timeline-dot.warning {
    border-color: var(--warning);
    color: var(--warning);
}

.timeline-dot.danger {
    border-color: var(--danger);
    color: var(--danger);
}

.timeline-dot.info {
    border-color: var(--info);
    color: var(--info);
}

.timeline-content {
    background: var(--bg-card);
    border: 1px solid var(--border-primary);
    border-radius: var(--border-radius);
    padding: 16px;
}

.timeline-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 8px;
}

.timeline-title {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
}

.timeline-time {
    font-size: 0.75rem;
    color: var(--text-muted);
    white-space: nowrap;
}

.timeline-body {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.timeline-body p:last-child {
    margin-bottom: 0;
}

.timeline-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 8px;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.timeline-meta .avatar {
    width: 20px;
    height: 20px;
    font-size: 0.6rem;
}

/* ============================================
   CRM: Kanban Board
   Deal pipeline / task board
   ============================================ */
.kanban-board {
    display: flex;
    gap: 16px;
    overflow-x: auto;
    padding-bottom: 16px;
    min-height: 400px;
}

.kanban-board::-webkit-scrollbar {
    height: 8px;
}

.kanban-board::-webkit-scrollbar-track {
    background: var(--bg-primary);
    border-radius: 4px;
}

.kanban-board::-webkit-scrollbar-thumb {
    background: var(--border-primary);
    border-radius: 4px;
}

.kanban-column {
    min-width: 300px;
    max-width: 320px;
    flex-shrink: 0;
    background: var(--bg-secondary);
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--border-primary);
    display: flex;
    flex-direction: column;
}

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

.kanban-column-title {
    font-size: 0.9rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}

.kanban-column-count {
    background: var(--bg-tertiary);
    color: var(--text-muted);
    font-size: 0.7rem;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: 10px;
}

.kanban-column-total {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-weight: 500;
}

.kanban-column-body {
    flex: 1;
    padding: 12px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.kanban-column-body::-webkit-scrollbar {
    width: 4px;
}

.kanban-column-body::-webkit-scrollbar-thumb {
    background: var(--border-primary);
    border-radius: 2px;
}

.kanban-card {
    background: var(--bg-card);
    border: 1px solid var(--border-primary);
    border-radius: var(--border-radius);
    padding: 14px;
    cursor: grab;
    transition: all var(--transition-fast);
}

.kanban-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-md);
}

.kanban-card.dragging {
    opacity: 0.5;
    transform: rotate(2deg);
    box-shadow: var(--shadow-xl);
}

.kanban-card.drag-over {
    border-color: var(--primary);
    border-style: dashed;
    background: var(--primary-light);
}

.kanban-card-title {
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.kanban-card-company {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.kanban-card-value {
    font-size: 1rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 10px;
}

.kanban-card-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.75rem;
    color: var(--text-muted);
}

.kanban-card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    margin-top: 8px;
}

.kanban-card-tag {
    padding: 2px 6px;
    border-radius: var(--border-radius-sm);
    font-size: 0.65rem;
    font-weight: 500;
    background: var(--bg-tertiary);
    color: var(--text-secondary);
}

.kanban-column-footer {
    padding: 12px 16px;
    border-top: 1px solid var(--border-primary);
}

.kanban-add-card {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    width: 100%;
    padding: 10px;
    background: transparent;
    border: 1px dashed var(--border-primary);
    border-radius: var(--border-radius);
    color: var(--text-muted);
    cursor: pointer;
    font-size: 0.85rem;
    transition: all var(--transition-fast);
}

.kanban-add-card:hover {
    background: var(--bg-hover);
    border-color: var(--primary);
    color: var(--primary);
}

/* Kanban drag placeholder */
.kanban-placeholder {
    border: 2px dashed var(--primary);
    border-radius: var(--border-radius);
    background: var(--primary-light);
    min-height: 60px;
    margin-bottom: 8px;
}

/* ============================================
   CRM: Pipeline Progress Bar
   Visual representation of deal stages
   ============================================ */
.pipeline-progress {
    display: flex;
    align-items: center;
    gap: 0;
    margin-bottom: 24px;
}

.pipeline-stage {
    flex: 1;
    position: relative;
    text-align: center;
    padding: 12px 8px;
}

.pipeline-stage::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--border-primary);
    transform: translateY(-50%);
    z-index: 0;
}

.pipeline-stage.completed::before {
    background: var(--primary);
}

.pipeline-stage.current::before {
    background: linear-gradient(to right, var(--primary) 50%, var(--border-primary) 50%);
}

.pipeline-stage-dot {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--bg-tertiary);
    border: 3px solid var(--border-primary);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 1;
    font-size: 0.7rem;
    transition: all var(--transition-fast);
}

.pipeline-stage.completed .pipeline-stage-dot {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
}

.pipeline-stage.current .pipeline-stage-dot {
    border-color: var(--primary);
    color: var(--primary);
    box-shadow: 0 0 0 4px var(--primary-light);
}

.pipeline-stage-label {
    display: block;
    margin-top: 8px;
    font-size: 0.75rem;
    color: var(--text-muted);
}

.pipeline-stage.completed .pipeline-stage-label,
.pipeline-stage.current .pipeline-stage-label {
    color: var(--text-primary);
    font-weight: 500;
}

/* Compact inline pipeline bar */
.pipeline-bar {
    display: flex;
    height: 8px;
    border-radius: 4px;
    overflow: hidden;
    background: var(--bg-tertiary);
}

.pipeline-bar-fill {
    height: 100%;
    background: var(--primary);
    border-radius: 4px;
    transition: width var(--transition-slow);
}

.pipeline-bar-fill.success { background: var(--success); }
.pipeline-bar-fill.warning { background: var(--warning); }
.pipeline-bar-fill.danger { background: var(--danger); }

/* ============================================
   CRM: Lead Score Indicator
   Visual scoring for lead quality
   ============================================ */
.lead-score {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.lead-score-ring {
    position: relative;
    width: 48px;
    height: 48px;
}

.lead-score-ring svg {
    width: 100%;
    height: 100%;
    transform: rotate(-90deg);
}

.lead-score-ring-bg {
    fill: none;
    stroke: var(--bg-tertiary);
    stroke-width: 4;
}

.lead-score-ring-fill {
    fill: none;
    stroke-width: 4;
    stroke-linecap: round;
    transition: stroke-dashoffset var(--transition-slow);
}

.lead-score-ring-fill.hot { stroke: var(--danger); }
.lead-score-ring-fill.warm { stroke: var(--warning); }
.lead-score-ring-fill.cold { stroke: var(--info); }

.lead-score-value {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 0.75rem;
    font-weight: 700;
}

.lead-score-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* Simple inline lead score bars */
.lead-score-bars {
    display: flex;
    gap: 3px;
    align-items: flex-end;
}

.lead-score-bar {
    width: 4px;
    border-radius: 2px;
    background: var(--bg-tertiary);
    transition: background var(--transition-fast);
}

.lead-score-bar:nth-child(1) { height: 8px; }
.lead-score-bar:nth-child(2) { height: 12px; }
.lead-score-bar:nth-child(3) { height: 16px; }
.lead-score-bar:nth-child(4) { height: 20px; }
.lead-score-bar:nth-child(5) { height: 24px; }

.lead-score-bars.score-1 .lead-score-bar:nth-child(1) { background: var(--info); }

.lead-score-bars.score-2 .lead-score-bar:nth-child(1),
.lead-score-bars.score-2 .lead-score-bar:nth-child(2) { background: var(--info); }

.lead-score-bars.score-3 .lead-score-bar:nth-child(1),
.lead-score-bars.score-3 .lead-score-bar:nth-child(2),
.lead-score-bars.score-3 .lead-score-bar:nth-child(3) { background: var(--warning); }

.lead-score-bars.score-4 .lead-score-bar:nth-child(1),
.lead-score-bars.score-4 .lead-score-bar:nth-child(2),
.lead-score-bars.score-4 .lead-score-bar:nth-child(3),
.lead-score-bars.score-4 .lead-score-bar:nth-child(4) { background: var(--success); }

.lead-score-bars.score-5 .lead-score-bar { background: var(--danger); }

/* Lead score badge variants */
.lead-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
}

.lead-badge.hot {
    background: var(--danger-light);
    color: var(--danger);
}

.lead-badge.warm {
    background: var(--warning-light);
    color: var(--warning);
}

.lead-badge.cold {
    background: var(--info-light);
    color: var(--info);
}

/* ============================================
   CRM: Dashboard Stats Grid
   Multi-row stat layout for CRM dashboard
   ============================================ */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 32px;
}

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

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

.dashboard-stat {
    background: var(--bg-card);
    border: 1px solid var(--border-primary);
    border-radius: var(--border-radius-lg);
    padding: 24px;
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

.dashboard-stat-icon {
    width: 52px;
    height: 52px;
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    flex-shrink: 0;
}

.dashboard-stat-icon.crm { background: rgba(8, 145, 178, 0.15); color: var(--cat-crm); }
.dashboard-stat-icon.sales { background: rgba(139, 92, 246, 0.15); color: var(--cat-sales); }
.dashboard-stat-icon.marketing { background: rgba(16, 185, 129, 0.15); color: var(--cat-marketing); }
.dashboard-stat-icon.automation { background: rgba(245, 158, 11, 0.15); color: var(--cat-automation); }
.dashboard-stat-icon.reports { background: rgba(236, 72, 153, 0.15); color: var(--cat-reports); }
.dashboard-stat-icon.communication { background: rgba(59, 130, 246, 0.15); color: var(--cat-communication); }

.dashboard-stat-content {
    flex: 1;
    min-width: 0;
}

.dashboard-stat-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 4px;
}

.dashboard-stat-value {
    font-size: 1.75rem;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 6px;
}

.dashboard-stat-footer {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.8rem;
}

.dashboard-stat-trend {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-weight: 500;
}

.dashboard-stat-trend.up { color: var(--success); }
.dashboard-stat-trend.down { color: var(--danger); }
.dashboard-stat-trend.neutral { color: var(--text-muted); }

.dashboard-stat-period {
    color: var(--text-muted);
}

/* ============================================
   CRM: Contact / Deal Detail Panels
   ============================================ */
.detail-panel {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 24px;
}

.detail-main {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.detail-sidebar {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.detail-header {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 24px;
    background: var(--bg-card);
    border: 1px solid var(--border-primary);
    border-radius: var(--border-radius-lg);
}

.detail-header-info {
    flex: 1;
}

.detail-header-name {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 4px;
}

.detail-header-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.detail-field {
    display: flex;
    justify-content: space-between;
    padding: 12px 0;
    border-bottom: 1px solid var(--border-secondary);
}

.detail-field:last-child {
    border-bottom: none;
}

.detail-field-label {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.detail-field-value {
    font-size: 0.85rem;
    color: var(--text-primary);
    text-align: right;
}

/* ============================================
   CRM: Tag / Label System
   ============================================ */
.tag {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 10px;
    border-radius: var(--border-radius-sm);
    font-size: 0.75rem;
    font-weight: 500;
    background: var(--bg-tertiary);
    color: var(--text-secondary);
}

.tag-removable {
    padding-right: 4px;
}

.tag-remove {
    background: none;
    border: none;
    color: inherit;
    cursor: pointer;
    font-size: 0.85rem;
    opacity: 0.6;
    transition: opacity var(--transition-fast);
    padding: 0 4px;
}

.tag-remove:hover {
    opacity: 1;
}

.tag-primary { background: var(--primary-light); color: var(--primary); }
.tag-success { background: var(--success-light); color: var(--success); }
.tag-warning { background: var(--warning-light); color: var(--warning); }
.tag-danger { background: var(--danger-light); color: var(--danger); }
.tag-info { background: var(--info-light); color: var(--info); }

.tag-list {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

/* ============================================
   CRM: Progress / Funnel Widget
   ============================================ */
.funnel {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.funnel-stage {
    display: flex;
    align-items: center;
    gap: 12px;
}

.funnel-bar {
    height: 28px;
    background: var(--primary);
    border-radius: var(--border-radius-sm);
    display: flex;
    align-items: center;
    justify-content: flex-end;
    padding-right: 10px;
    color: white;
    font-size: 0.75rem;
    font-weight: 600;
    min-width: 40px;
    transition: width var(--transition-slow);
}

.funnel-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    min-width: 100px;
}

.funnel-value {
    font-size: 0.85rem;
    color: var(--text-primary);
    font-weight: 500;
    min-width: 60px;
    text-align: right;
}

/* ============================================
   CRM: Activity Feed
   ============================================ */
.activity-feed {
    display: flex;
    flex-direction: column;
}

.activity-item {
    display: flex;
    gap: 12px;
    padding: 14px 0;
    border-bottom: 1px solid var(--border-secondary);
}

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

.activity-icon {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    flex-shrink: 0;
    background: var(--bg-tertiary);
    color: var(--text-muted);
}

.activity-icon.email { background: var(--info-light); color: var(--info); }
.activity-icon.call { background: var(--success-light); color: var(--success); }
.activity-icon.meeting { background: rgba(139, 92, 246, 0.1); color: #8b5cf6; }
.activity-icon.note { background: var(--warning-light); color: var(--warning); }
.activity-icon.deal { background: var(--primary-light); color: var(--primary); }
.activity-icon.task { background: rgba(236, 72, 153, 0.1); color: #ec4899; }

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

.activity-text {
    font-size: 0.85rem;
    color: var(--text-primary);
    line-height: 1.4;
}

.activity-text strong {
    font-weight: 600;
}

.activity-time {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 4px;
}

/* ============================================
   CRM: Quick Actions Bar
   ============================================ */
.quick-actions {
    display: flex;
    gap: 8px;
    padding: 12px 0;
}

.quick-action-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-primary);
    border-radius: var(--border-radius);
    color: var(--text-secondary);
    font-size: 0.8rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

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

.quick-action-btn i {
    font-size: 0.9rem;
}

/* ============================================
   CRM: Filter Bar
   ============================================ */
.filter-bar {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 0;
    flex-wrap: wrap;
}

.filter-bar .form-input,
.filter-bar .form-select {
    width: auto;
    min-width: 160px;
    padding: 8px 12px;
    font-size: 0.85rem;
}

.filter-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    background: var(--primary-light);
    border: 1px solid var(--primary);
    border-radius: 20px;
    color: var(--primary);
    font-size: 0.8rem;
}

.filter-tag-remove {
    background: none;
    border: none;
    color: inherit;
    cursor: pointer;
    font-size: 0.9rem;
    opacity: 0.7;
    transition: opacity var(--transition-fast);
}

.filter-tag-remove:hover {
    opacity: 1;
}

/* ============================================
   Utility Classes
   ============================================ */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-left { text-align: left; }
.text-muted { color: var(--text-muted); }
.text-primary { color: var(--primary); }
.text-success { color: var(--success); }
.text-warning { color: var(--warning); }
.text-danger { color: var(--danger); }
.text-info { color: var(--info); }
.text-white { color: var(--text-primary); }
.text-secondary { color: var(--text-secondary); }

.font-bold { font-weight: 700; }
.font-semibold { font-weight: 600; }
.font-medium { font-weight: 500; }
.font-normal { font-weight: 400; }

.text-xs { font-size: 0.75rem; }
.text-sm { font-size: 0.875rem; }
.text-base { font-size: 1rem; }
.text-lg { font-size: 1.125rem; }
.text-xl { font-size: 1.25rem; }
.text-2xl { font-size: 1.5rem; }

.truncate {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 1rem; }
.mt-4 { margin-top: 1.5rem; }
.mt-5 { margin-top: 2rem; }
.mt-6 { margin-top: 3rem; }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 1rem; }
.mb-4 { margin-bottom: 1.5rem; }
.mb-5 { margin-bottom: 2rem; }
.mb-6 { margin-bottom: 3rem; }

.ml-1 { margin-left: 0.25rem; }
.ml-2 { margin-left: 0.5rem; }
.ml-3 { margin-left: 1rem; }
.ml-auto { margin-left: auto; }

.mr-1 { margin-right: 0.25rem; }
.mr-2 { margin-right: 0.5rem; }
.mr-3 { margin-right: 1rem; }
.mr-auto { margin-right: auto; }

.p-0 { padding: 0; }
.p-1 { padding: 0.25rem; }
.p-2 { padding: 0.5rem; }
.p-3 { padding: 1rem; }
.p-4 { padding: 1.5rem; }
.p-5 { padding: 2rem; }

.px-1 { padding-left: 0.25rem; padding-right: 0.25rem; }
.px-2 { padding-left: 0.5rem; padding-right: 0.5rem; }
.px-3 { padding-left: 1rem; padding-right: 1rem; }
.px-4 { padding-left: 1.5rem; padding-right: 1.5rem; }

.py-1 { padding-top: 0.25rem; padding-bottom: 0.25rem; }
.py-2 { padding-top: 0.5rem; padding-bottom: 0.5rem; }
.py-3 { padding-top: 1rem; padding-bottom: 1rem; }
.py-4 { padding-top: 1.5rem; padding-bottom: 1.5rem; }

.d-flex { display: flex; }
.d-inline-flex { display: inline-flex; }
.d-grid { display: grid; }
.d-block { display: block; }
.d-inline-block { display: inline-block; }

.flex-column { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.flex-1 { flex: 1; }
.flex-shrink-0 { flex-shrink: 0; }

.align-center { align-items: center; }
.align-start { align-items: flex-start; }
.align-end { align-items: flex-end; }

.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.justify-end { justify-content: flex-end; }
.justify-start { justify-content: flex-start; }

.gap-1 { gap: 0.25rem; }
.gap-2 { gap: 0.5rem; }
.gap-3 { gap: 1rem; }
.gap-4 { gap: 1.5rem; }
.gap-5 { gap: 2rem; }

.w-full { width: 100%; }
.w-auto { width: auto; }
.h-full { height: 100%; }

.overflow-hidden { overflow: hidden; }
.overflow-auto { overflow: auto; }

.rounded { border-radius: var(--border-radius); }
.rounded-lg { border-radius: var(--border-radius-lg); }
.rounded-sm { border-radius: var(--border-radius-sm); }
.rounded-full { border-radius: 9999px; }

.border { border: 1px solid var(--border-primary); }
.border-bottom { border-bottom: 1px solid var(--border-primary); }
.border-top { border-top: 1px solid var(--border-primary); }

.bg-card { background: var(--bg-card); }
.bg-secondary { background: var(--bg-secondary); }
.bg-primary { background: var(--bg-primary); }

.relative { position: relative; }
.absolute { position: absolute; }
.sticky { position: sticky; }

.hidden { display: none !important; }
.visible { display: block !important; }
.invisible { visibility: hidden; }

.cursor-pointer { cursor: pointer; }
.cursor-grab { cursor: grab; }

.no-select {
    user-select: none;
    -webkit-user-select: none;
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 1280px) {
    .dashboard-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .detail-panel {
        grid-template-columns: 1fr;
    }

    .detail-sidebar {
        order: -1;
    }
}

@media (max-width: 1024px) {
    .sidebar {
        transform: translateX(-100%);
    }

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

    .main-content {
        margin-left: 0;
    }

    .kanban-column {
        min-width: 260px;
    }
}

@media (max-width: 768px) {
    .main-body {
        padding: 16px;
    }

    .main-header {
        padding: 12px 16px;
    }

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

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

    .modal {
        width: 95%;
        max-height: 95vh;
    }

    .header-search input {
        width: 160px;
    }

    .header-search input:focus {
        width: 200px;
    }

    .pipeline-stage-label {
        font-size: 0.65rem;
    }

    .filter-bar {
        flex-direction: column;
        align-items: stretch;
    }

    .filter-bar .form-input,
    .filter-bar .form-select {
        width: 100%;
    }

    .quick-actions {
        flex-wrap: wrap;
    }

    .kanban-board {
        flex-direction: column;
    }

    .kanban-column {
        min-width: 100%;
        max-width: 100%;
    }
}

@media (max-width: 480px) {
    .main-body {
        padding: 12px;
    }

    .card-body {
        padding: 16px;
    }

    .detail-header {
        flex-direction: column;
        text-align: center;
    }

    .detail-header-meta {
        justify-content: center;
    }

    .tabs {
        overflow-x: auto;
    }

    .tab {
        padding: 10px 14px;
        font-size: 0.85rem;
        white-space: nowrap;
    }
}