/* =====================================================
   Velnix Growth — Design System & Core Styles
   ===================================================== */

/* ── CSS Custom Properties ── */
:root {
    /* Colors — Primary palette (Indigo) */
    --primary-50:  #eef2ff;
    --primary-100: #e0e7ff;
    --primary-200: #c7d2fe;
    --primary-300: #a5b4fc;
    --primary-400: #818cf8;
    --primary-500: #6366f1;
    --primary-600: #4f46e5;
    --primary-700: #4338ca;
    --primary-800: #3730a3;
    --primary-900: #312e81;

    /* Neutrals */
    --gray-50:  #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1e293b;
    --gray-900: #0f172a;

    /* Semantic */
    --success: #10b981;
    --success-light: #d1fae5;
    --warning: #f59e0b;
    --warning-light: #fef3c7;
    --danger:  #ef4444;
    --danger-light: #fee2e2;
    --info:    #3b82f6;
    --info-light: #dbeafe;

    /* Layout */
    --sidebar-width: 260px;
    --sidebar-collapsed-width: 72px;
    --header-height: 64px;
    --border-radius: 8px;
    --border-radius-lg: 12px;
    --border-radius-xl: 16px;

    /* Shadows */
    --shadow-xs:  0 1px 2px rgba(0,0,0,0.05);
    --shadow-sm:  0 1px 3px rgba(0,0,0,0.1), 0 1px 2px rgba(0,0,0,0.06);
    --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(0,0,0,0.1), 0 10px 10px -5px rgba(0,0,0,0.04);

    /* Transitions */
    --transition: all 0.2s ease;
    --transition-slow: all 0.3s ease;
}

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

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Inter', 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--gray-800);
    background-color: var(--gray-50);
}

a { color: var(--primary-600); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--primary-700); }

img { max-width: 100%; height: auto; }

/* ── Typography ── */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    color: var(--gray-900);
}

h1 { font-size: 1.875rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.25rem; }
h4 { font-size: 1.125rem; }

.text-muted { color: var(--gray-500); }
.text-sm { font-size: 0.875rem; }
.text-xs { font-size: 0.75rem; }
.text-right { text-align: right; }
.text-center { text-align: center; }

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

.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    min-width: 0;
    transition: var(--transition-slow);
}

.page-header {
    padding: 1.5rem 2rem;
    background: white;
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
}

.page-header h1 {
    font-size: 1.5rem;
    font-weight: 700;
}

.page-body {
    padding: 2rem;
}

/* ── Sidebar ── */
.sidebar {
    width: var(--sidebar-width);
    height: 100vh;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 40;
    background: var(--gray-900);
    color: white;
    display: flex;
    flex-direction: column;
    transition: var(--transition-slow);
    overflow-y: auto;
}

.sidebar-brand {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid rgba(255,255,255,0.08);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    min-height: var(--header-height);
}

.sidebar-brand-logo {
    width: 32px;
    height: 32px;
    background: var(--primary-500);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.875rem;
    flex-shrink: 0;
}

.sidebar-brand-text {
    font-weight: 700;
    font-size: 1rem;
    white-space: nowrap;
}

.sidebar-brand-hotel {
    font-size: 0.75rem;
    color: var(--gray-400);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.sidebar-nav {
    padding: 1rem 0;
    flex: 1;
}

.sidebar-section {
    padding: 0 1rem;
    margin-bottom: 1.5rem;
}

.sidebar-section-title {
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--gray-500);
    padding: 0 0.75rem;
    margin-bottom: 0.5rem;
}

.sidebar-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.625rem 0.75rem;
    border-radius: var(--border-radius);
    color: var(--gray-300);
    font-size: 0.875rem;
    font-weight: 500;
    transition: var(--transition);
    cursor: pointer;
}

.sidebar-link:hover {
    background: rgba(255,255,255,0.08);
    color: white;
}

.sidebar-link.active {
    background: var(--primary-600);
    color: white;
}

.sidebar-link svg,
.sidebar-link i {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    opacity: 0.7;
}

.sidebar-link.active svg,
.sidebar-link.active i {
    opacity: 1;
}

.sidebar-link .badge-count {
    margin-left: auto;
    background: var(--danger);
    color: white;
    font-size: 0.6875rem;
    font-weight: 600;
    padding: 0.125rem 0.5rem;
    border-radius: 9999px;
    min-width: 20px;
    text-align: center;
}

.sidebar-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid rgba(255,255,255,0.08);
}

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

.sidebar-user-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--primary-500);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.875rem;
    flex-shrink: 0;
}

.sidebar-user-info {
    flex: 1;
    min-width: 0;
}

.sidebar-user-name {
    font-size: 0.875rem;
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.sidebar-user-role {
    font-size: 0.75rem;
    color: var(--gray-400);
}

/* ── Header Bar ── */
.header-bar {
    height: var(--header-height);
    background: white;
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 2rem;
    position: sticky;
    top: 0;
    z-index: 30;
}

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

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

.header-breadcrumb {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: var(--gray-500);
}

.header-breadcrumb a {
    color: var(--gray-500);
}

.header-breadcrumb a:hover {
    color: var(--primary-600);
}

.header-breadcrumb .current {
    color: var(--gray-800);
    font-weight: 500;
}

/* Notification bell */
.notification-bell {
    position: relative;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.notification-bell:hover {
    background: var(--gray-100);
}

.notification-bell .badge {
    position: absolute;
    top: 2px;
    right: 2px;
    width: 18px;
    height: 18px;
    background: var(--danger);
    color: white;
    font-size: 0.625rem;
    font-weight: 700;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid white;
}

/* ── Cards ── */
.card {
    background: white;
    border: 1px solid var(--gray-200);
    border-radius: var(--border-radius-lg);
    transition: var(--transition);
}

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

.card-header {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--gray-100);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-header h3 {
    font-size: 1rem;
    font-weight: 600;
}

.card-body {
    padding: 1.5rem;
}

.card-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--gray-100);
    background: var(--gray-50);
    border-radius: 0 0 var(--border-radius-lg) var(--border-radius-lg);
}

/* Stat cards */
.stat-card {
    background: white;
    border: 1px solid var(--gray-200);
    border-radius: var(--border-radius-lg);
    padding: 1.5rem;
    transition: var(--transition);
}

.stat-card:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--primary-200);
}

.stat-card-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
}

.stat-card-icon svg {
    width: 22px;
    height: 22px;
}

.stat-card-value {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--gray-900);
    line-height: 1;
    margin-bottom: 0.25rem;
}

.stat-card-label {
    font-size: 0.875rem;
    color: var(--gray-500);
}

.stat-card-change {
    font-size: 0.75rem;
    font-weight: 600;
    margin-top: 0.5rem;
}

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

/* ── Tables ── */
.table-container {
    overflow-x: auto;
    border: 1px solid var(--gray-200);
    border-radius: var(--border-radius-lg);
    background: white;
}

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

thead {
    background: var(--gray-50);
    border-bottom: 1px solid var(--gray-200);
}

th {
    padding: 0.75rem 1rem;
    text-align: left;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--gray-500);
    white-space: nowrap;
}

td {
    padding: 0.875rem 1rem;
    border-bottom: 1px solid var(--gray-100);
    font-size: 0.875rem;
    color: var(--gray-700);
}

tbody tr:hover {
    background: var(--gray-50);
}

tbody tr:last-child td {
    border-bottom: none;
}

/* ── Buttons ── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    border: 1px solid transparent;
    border-radius: var(--border-radius);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
    line-height: 1.4;
}

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

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

.btn-primary {
    background: var(--primary-600);
    color: white;
    border-color: var(--primary-600);
}

.btn-primary:hover {
    background: var(--primary-700);
    border-color: var(--primary-700);
}

.btn-secondary {
    background: white;
    color: var(--gray-700);
    border-color: var(--gray-300);
}

.btn-secondary:hover {
    background: var(--gray-50);
    border-color: var(--gray-400);
}

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

.btn-danger:hover {
    background: #dc2626;
    border-color: #dc2626;
}

.btn-ghost {
    background: transparent;
    color: var(--gray-600);
}

.btn-ghost:hover {
    background: var(--gray-100);
    color: var(--gray-800);
}

.btn-sm {
    padding: 0.375rem 0.75rem;
    font-size: 0.8125rem;
}

.btn-lg {
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
}

/* ── Forms ── */
.form-group {
    margin-bottom: 1.25rem;
}

.form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--gray-700);
    margin-bottom: 0.375rem;
}

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

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 0.625rem 0.875rem;
    border: 1px solid var(--gray-300);
    border-radius: var(--border-radius);
    font-size: 0.875rem;
    color: var(--gray-800);
    background: white;
    transition: var(--transition);
    line-height: 1.5;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--primary-500);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
}

.form-input::placeholder { color: var(--gray-400); }

.form-input.error { border-color: var(--danger); }
.form-error {
    font-size: 0.75rem;
    color: var(--danger);
    margin-top: 0.25rem;
}

.form-textarea {
    min-height: 100px;
    resize: vertical;
}

.form-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
    background-position: right 0.5rem center;
    background-repeat: no-repeat;
    background-size: 1.5em 1.5em;
    padding-right: 2.5rem;
}

.form-checkbox {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
}

.form-checkbox input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: var(--primary-600);
    cursor: pointer;
}

.form-hint {
    font-size: 0.75rem;
    color: var(--gray-500);
    margin-top: 0.25rem;
}

/* ── Badges ── */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.625rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
    line-height: 1.4;
    white-space: nowrap;
}

/* ── Alerts ── */
.alert {
    padding: 0.875rem 1rem;
    border-radius: var(--border-radius);
    margin-bottom: 1rem;
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    font-size: 0.875rem;
}

.alert-success {
    background: var(--success-light);
    color: #065f46;
    border: 1px solid #a7f3d0;
}

.alert-error {
    background: var(--danger-light);
    color: #991b1b;
    border: 1px solid #fecaca;
}

.alert-warning {
    background: var(--warning-light);
    color: #92400e;
    border: 1px solid #fde68a;
}

.alert-info {
    background: var(--info-light);
    color: #1e40af;
    border: 1px solid #93c5fd;
}

/* ── Empty States ── */
.empty-state {
    text-align: center;
    padding: 3rem 2rem;
    color: var(--gray-500);
}

.empty-state-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 1rem;
    background: var(--gray-100);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray-400);
}

.empty-state-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: 0.5rem;
}

.empty-state-text {
    font-size: 0.875rem;
    max-width: 400px;
    margin: 0 auto 1.5rem;
}

/* ── Pagination ── */
.pagination {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 0;
    flex-wrap: wrap;
    gap: 1rem;
}

.pagination-info {
    font-size: 0.875rem;
    color: var(--gray-500);
}

.pagination-links {
    display: flex;
    gap: 0.25rem;
}

.pagination-links a,
.pagination-links span {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 36px;
    height: 36px;
    padding: 0 0.5rem;
    border: 1px solid var(--gray-200);
    border-radius: var(--border-radius);
    font-size: 0.875rem;
    color: var(--gray-700);
    background: white;
    transition: var(--transition);
}

.pagination-links a:hover {
    background: var(--gray-50);
    border-color: var(--gray-300);
}

.pagination-links .active {
    background: var(--primary-600);
    color: white;
    border-color: var(--primary-600);
}

/* ── Modal ── */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 50;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

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

.modal {
    background: white;
    border-radius: var(--border-radius-xl);
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-xl);
    transform: translateY(20px);
    transition: var(--transition);
}

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

.modal-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--gray-100);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-header h3 {
    font-size: 1.125rem;
    font-weight: 600;
}

.modal-close {
    width: 32px;
    height: 32px;
    border: none;
    background: none;
    cursor: pointer;
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray-400);
    transition: var(--transition);
}

.modal-close:hover {
    background: var(--gray-100);
    color: var(--gray-600);
}

.modal-body {
    padding: 1.5rem;
}

.modal-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--gray-100);
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
}

/* ── Dropdown ── */
.dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    right: 0;
    min-width: 200px;
    background: white;
    border: 1px solid var(--gray-200);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    z-index: 50;
    padding: 0.5rem;
    opacity: 0;
    visibility: hidden;
    transform: translateY(8px);
    transition: var(--transition);
}

.dropdown.active .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.75rem;
    border-radius: var(--border-radius);
    font-size: 0.875rem;
    color: var(--gray-700);
    cursor: pointer;
    transition: var(--transition);
}

.dropdown-item:hover {
    background: var(--gray-50);
    color: var(--gray-900);
}

.dropdown-divider {
    height: 1px;
    background: var(--gray-100);
    margin: 0.5rem 0;
}

/* ── Tabs ── */
.tabs {
    display: flex;
    border-bottom: 2px solid var(--gray-200);
    gap: 0;
    overflow-x: auto;
}

.tab {
    padding: 0.75rem 1.25rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--gray-500);
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}

.tab:hover {
    color: var(--gray-700);
}

.tab.active {
    color: var(--primary-600);
    border-bottom-color: var(--primary-600);
}

/* ── Grid ── */
.grid { display: grid; gap: 1.5rem; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* ── Flex utilities ── */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-1 { gap: 0.25rem; }
.gap-2 { gap: 0.5rem; }
.gap-3 { gap: 0.75rem; }
.gap-4 { gap: 1rem; }

/* ── Spacing ── */
.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 0.75rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-6 { margin-bottom: 1.5rem; }
.mt-4 { margin-top: 1rem; }
.mt-6 { margin-top: 1.5rem; }

/* ── Loading spinner ── */
.spinner {
    width: 20px;
    height: 20px;
    border: 2px solid var(--gray-200);
    border-top-color: var(--primary-600);
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

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

/* ── Auth Layout ── */
.auth-layout {
    min-height: 100vh;
    display: flex;
    background: var(--gray-50);
}

.auth-card {
    width: 100%;
    max-width: 420px;
    margin: auto;
    padding: 2.5rem;
    background: white;
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-lg);
}

.auth-logo {
    text-align: center;
    margin-bottom: 2rem;
}

.auth-logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-900);
}

.auth-logo-sub {
    font-size: 0.875rem;
    color: var(--gray-500);
    margin-top: 0.25rem;
}

.auth-title {
    font-size: 1.25rem;
    font-weight: 600;
    text-align: center;
    margin-bottom: 1.5rem;
    color: var(--gray-900);
}

.auth-footer {
    text-align: center;
    margin-top: 1.5rem;
    font-size: 0.875rem;
    color: var(--gray-500);
}

.auth-footer a {
    font-weight: 500;
}

/* ── Responsive ── */
@media (max-width: 1024px) {
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .grid-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }

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

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

    .page-header {
        padding: 1rem;
    }

    .page-body {
        padding: 1rem;
    }

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

    .header-bar {
        padding: 0 1rem;
    }

    .mobile-menu-toggle {
        display: flex;
    }
}

@media (min-width: 769px) {
    .mobile-menu-toggle {
        display: none;
    }
}

/* =====================================================
   Phase 2 — Pipeline, Tags, Campaigns
   ===================================================== */

/* ── Kanban Pipeline ── */
.pipeline-container {
    overflow-x: auto;
    padding-bottom: 1rem;
    -webkit-overflow-scrolling: touch;
}

.pipeline {
    display: flex;
    gap: 1rem;
    min-width: max-content;
}

.pipeline-column {
    width: 300px;
    min-width: 300px;
    flex-shrink: 0;
    background: var(--gray-50);
    border: 1px solid var(--gray-200);
    border-radius: var(--border-radius-lg);
    display: flex;
    flex-direction: column;
    max-height: calc(100vh - 220px);
}

.pipeline-column-header {
    padding: 0.875rem 1rem;
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-shrink: 0;
}

.pipeline-column-title {
    font-size: 0.8125rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.pipeline-column-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
}

.pipeline-column-count {
    background: var(--gray-200);
    color: var(--gray-600);
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.125rem 0.5rem;
    border-radius: 9999px;
    min-width: 24px;
    text-align: center;
}

.pipeline-column-body {
    padding: 0.75rem;
    flex: 1;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.pipeline-card {
    background: white;
    border: 1px solid var(--gray-200);
    border-radius: var(--border-radius);
    padding: 0.875rem;
    cursor: pointer;
    transition: var(--transition);
}

.pipeline-card:hover {
    border-color: var(--primary-300);
    box-shadow: var(--shadow-sm);
    transform: translateY(-1px);
}

.pipeline-card-title {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 0.25rem;
    line-height: 1.3;
}

.pipeline-card-customer {
    font-size: 0.8125rem;
    color: var(--gray-500);
    margin-bottom: 0.5rem;
}

.pipeline-card-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.pipeline-card-value {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--primary-700);
}

.pipeline-card-time {
    font-size: 0.75rem;
    color: var(--gray-400);
}

.pipeline-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 0.5rem;
    padding-top: 0.5rem;
    border-top: 1px solid var(--gray-100);
}

.pipeline-card-tags {
    display: flex;
    gap: 0.25rem;
    flex-wrap: wrap;
}

.pipeline-tag {
    font-size: 0.6875rem;
    padding: 0.125rem 0.375rem;
    border-radius: 4px;
    font-weight: 500;
}

.pipeline-card-avatar {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--gray-200);
    color: var(--gray-600);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.6875rem;
    font-weight: 600;
    flex-shrink: 0;
}

/* Pipeline filter bar */
.pipeline-filters {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-bottom: 1rem;
}

.pipeline-filter-btn {
    padding: 0.375rem 0.875rem;
    border: 1px solid var(--gray-200);
    border-radius: 9999px;
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--gray-600);
    background: white;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
}

.pipeline-filter-btn:hover {
    border-color: var(--primary-300);
    color: var(--primary-600);
}

.pipeline-filter-btn.active {
    background: var(--primary-600);
    color: white;
    border-color: var(--primary-600);
}

/* ── Tags ── */
.tag {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.25rem 0.625rem;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 500;
    line-height: 1.4;
}

.tag-remove {
    width: 14px;
    height: 14px;
    border: none;
    background: none;
    cursor: pointer;
    opacity: 0.6;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    color: inherit;
}

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

.tag-input-container {
    display: flex;
    flex-wrap: wrap;
    gap: 0.375rem;
    padding: 0.5rem;
    border: 1px solid var(--gray-300);
    border-radius: var(--border-radius);
    min-height: 42px;
    align-items: center;
    cursor: text;
    transition: var(--transition);
}

.tag-input-container:focus-within {
    border-color: var(--primary-500);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
}

.tag-input-container input {
    border: none;
    outline: none;
    font-size: 0.875rem;
    flex: 1;
    min-width: 80px;
    padding: 0.125rem;
}

/* ── Activity Timeline ── */
.timeline {
    position: relative;
    padding-left: 1.5rem;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 5px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--gray-200);
}

.timeline-item {
    position: relative;
    padding-bottom: 1.25rem;
    padding-left: 1rem;
}

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

.timeline-dot {
    position: absolute;
    left: -1.5rem;
    top: 4px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--primary-500);
    border: 2px solid white;
    box-shadow: 0 0 0 2px var(--primary-200);
}

.timeline-dot.created { background: var(--info); box-shadow: 0 0 0 2px var(--info-light); }
.timeline-dot.updated { background: var(--warning); box-shadow: 0 0 0 2px var(--warning-light); }
.timeline-dot.deleted { background: var(--danger); box-shadow: 0 0 0 2px var(--danger-light); }

.timeline-content {
    font-size: 0.875rem;
}

.timeline-title {
    font-weight: 500;
    color: var(--gray-800);
}

.timeline-time {
    font-size: 0.75rem;
    color: var(--gray-400);
    margin-top: 0.125rem;
}

.timeline-details {
    font-size: 0.8125rem;
    color: var(--gray-500);
    margin-top: 0.25rem;
}

/* ── Status Change Buttons ── */
.status-buttons {
    display: flex;
    gap: 0.375rem;
    flex-wrap: wrap;
}

.status-btn {
    padding: 0.375rem 0.75rem;
    border: 2px solid transparent;
    border-radius: var(--border-radius);
    font-size: 0.8125rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    background: var(--gray-100);
    color: var(--gray-600);
}

.status-btn:hover { background: var(--gray-200); }

.status-btn.current {
    color: white;
    cursor: default;
}

.status-btn[data-status="new"].current { background: #3b82f6; }
.status-btn[data-status="contacted"].current { background: #f59e0b; }
.status-btn[data-status="qualified"].current { background: #10b981; }
.status-btn[data-status="proposal_sent"].current { background: #8b5cf6; }
.status-btn[data-status="negotiation"].current { background: #ec4899; }
.status-btn[data-status="won"].current { background: #10b981; }
.status-btn[data-status="lost"].current { background: #ef4444; }

/* ── Campaign Card ── */
.campaign-card {
    background: white;
    border: 1px solid var(--gray-200);
    border-radius: var(--border-radius-lg);
    padding: 1.25rem;
    transition: var(--transition);
}

.campaign-card:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--primary-200);
}

.campaign-progress {
    height: 6px;
    background: var(--gray-100);
    border-radius: 3px;
    overflow: hidden;
    margin-top: 0.75rem;
}

.campaign-progress-bar {
    height: 100%;
    background: var(--primary-500);
    border-radius: 3px;
    transition: width 0.5s ease;
}

/* ── Search Bar ── */
.search-bar {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: white;
    border: 1px solid var(--gray-200);
    border-radius: var(--border-radius);
    padding: 0 0.75rem;
    transition: var(--transition);
    max-width: 320px;
}

.search-bar:focus-within {
    border-color: var(--primary-500);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
}

.search-bar input {
    border: none;
    outline: none;
    padding: 0.5rem 0;
    font-size: 0.875rem;
    flex: 1;
    min-width: 0;
}

.search-bar svg {
    color: var(--gray-400);
    flex-shrink: 0;
}

/* ── Quick Stats Row ── */
.quick-stats {
    display: flex;
    gap: 1.5rem;
    padding: 0.75rem 0;
}

.quick-stat {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
}

.quick-stat-value {
    font-weight: 700;
    color: var(--gray-900);
}

.quick-stat-label {
    color: var(--gray-500);
}

/* ── Empty State Enhancements ── */
.empty-state-icon svg {
    color: var(--gray-300);
}

.empty-state-actions {
    display: flex;
    gap: 0.75rem;
    justify-content: center;
}

/* ── Detail Page Layout ── */
.detail-layout {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 1.5rem;
    align-items: start;
}

.detail-sidebar {
    position: sticky;
    top: calc(var(--header-height) + 1rem);
}

@media (max-width: 1024px) {
    .detail-layout {
        grid-template-columns: 1fr;
    }
    .detail-sidebar {
        position: static;
    }
}

/* ── Skeleton Loading ── */
.skeleton {
    background: linear-gradient(90deg, var(--gray-100) 25%, var(--gray-200) 50%, var(--gray-100) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: var(--border-radius);
}

@keyframes shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

.skeleton-text { height: 1rem; margin-bottom: 0.5rem; }
.skeleton-title { height: 1.5rem; width: 60%; margin-bottom: 0.75rem; }
.skeleton-avatar { width: 40px; height: 40px; border-radius: 50%; }
.skeleton-card { height: 120px; }

/* ── Responsive — Mobile Pipeline ── */
@media (max-width: 768px) {
    .pipeline-column { width: 280px; min-width: 280px; }
    .pipeline-filters { overflow-x: auto; flex-wrap: nowrap; padding-bottom: 0.5rem; }
}

/* ── Responsive — Tables (card view) ── */
@media (max-width: 768px) {
    .table-container table { font-size: 0.8125rem; }
    .table-container th:nth-child(n+4),
    .table-container td:nth-child(n+4) { display: none; }
}

/* ── Responsive — Forms ── */
@media (max-width: 768px) {
    .page-header {
        flex-direction: column;
        align-items: flex-start;
    }
    .page-header .btn { width: 100%; }
}

/* ── Responsive — Stat Cards ── */
@media (max-width: 640px) {
    .stat-card { padding: 1rem; }
    .stat-card-value { font-size: 1.25rem; }
}

/* ── Responsive — Modal ── */
@media (max-width: 640px) {
    .modal { margin: 0.5rem; max-height: 95vh; }
    .modal-header, .modal-body, .modal-footer { padding: 1rem; }
}

/* ── Responsive — Auth ── */
@media (max-width: 640px) {
    .auth-card { padding: 1.5rem; margin: 1rem; }
}

/* ── Print Styles ── */
@media print {
    .sidebar, .header-bar, .btn, .pagination, .mobile-menu-toggle,
    .notification-bell, .dropdown, .form-group { display: none !important; }
    .main-content { margin-left: 0 !important; padding: 0 !important; }
    .page-header { padding: 0 !important; border: none !important; }
    .page-body { padding: 0 !important; }
    .card { box-shadow: none !important; border: 1px solid #ddd !important; break-inside: avoid; }
    .stat-card { border: 1px solid #ddd !important; }
    body { background: white !important; font-size: 12pt; }
    a { color: #000 !important; text-decoration: underline; }
    .badge { border: 1px solid #999 !important; }
}