/* ============================================
   Expo Lead Intelligence Platform
   Modern UI Theme
   ============================================ */

:root {
    --primary: #4F46E5;
    --primary-dark: #4338CA;
    --primary-light: #818CF8;
    --secondary: #0EA5E9;
    --success: #10B981;
    --warning: #F59E0B;
    --danger: #EF4444;
    --info: #06B6D4;
    --dark: #1E293B;
    --darker: #0F172A;
    --light: #F8FAFC;
    --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;
    --sidebar-width: 260px;
    --sidebar-collapsed: 70px;
    --header-height: 64px;
    --border-radius: 12px;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow: 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);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ---- Global ---- */
* { box-sizing: border-box; }
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--gray-100);
    color: var(--gray-800);
    overflow-x: hidden;
}
a { color: var(--primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--primary-dark); }

/* ---- Sidebar ---- */
.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: var(--sidebar-width);
    height: 100vh;
    background: linear-gradient(180deg, var(--darker) 0%, var(--dark) 100%);
    z-index: 1040;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    box-shadow: 4px 0 10px rgba(0,0,0,0.1);
}
.sidebar-brand {
    height: var(--header-height);
    display: flex;
    align-items: center;
    padding: 0 20px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}
.sidebar-brand .brand-icon {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 18px;
    font-weight: 700;
    flex-shrink: 0;
}
.sidebar-brand .brand-text {
    margin-left: 12px;
    color: #fff;
    font-size: 16px;
    font-weight: 700;
    white-space: nowrap;
    overflow: hidden;
}
.sidebar-brand .brand-text small {
    display: block;
    font-size: 10px;
    font-weight: 400;
    color: var(--gray-400);
    letter-spacing: 1px;
    text-transform: uppercase;
}

.sidebar-nav {
    flex: 1;
    overflow-y: auto;
    padding: 16px 0;
}
.sidebar-nav::-webkit-scrollbar { width: 4px; }
.sidebar-nav::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); border-radius: 4px; }

.nav-section {
    padding: 8px 20px 4px;
    font-size: 11px;
    font-weight: 600;
    color: var(--gray-500);
    text-transform: uppercase;
    letter-spacing: 1.2px;
}
.nav-item { padding: 2px 12px; }
.nav-item .nav-link {
    display: flex;
    align-items: center;
    padding: 10px 14px;
    color: var(--gray-400);
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    transition: var(--transition);
}
.nav-item .nav-link i {
    width: 20px;
    text-align: center;
    margin-right: 12px;
    font-size: 16px;
}
.nav-item .nav-link:hover {
    background: rgba(255,255,255,0.08);
    color: #fff;
}
.nav-item .nav-link.active {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: #fff;
    box-shadow: 0 4px 12px rgba(79,70,229,0.4);
}
.nav-item .nav-link .badge {
    margin-left: auto;
    font-size: 10px;
    padding: 3px 8px;
}

.sidebar-footer {
    padding: 16px 20px;
    border-top: 1px solid rgba(255,255,255,0.08);
}
.sidebar-footer .user-info {
    display: flex;
    align-items: center;
}
.sidebar-footer .user-avatar {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--primary-light), var(--secondary));
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-weight: 600;
    font-size: 14px;
    flex-shrink: 0;
}
.sidebar-footer .user-detail {
    margin-left: 10px;
    overflow: hidden;
}
.sidebar-footer .user-detail .user-name {
    color: #fff;
    font-size: 13px;
    font-weight: 600;
    white-space: nowrap;
}
.sidebar-footer .user-detail .user-role {
    color: var(--gray-500);
    font-size: 11px;
    text-transform: capitalize;
}

/* ---- Main Content ---- */
.main-content {
    margin-left: var(--sidebar-width);
    min-height: 100vh;
    transition: var(--transition);
}

/* ---- Top Header ---- */
.top-header {
    height: var(--header-height);
    background: #fff;
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    position: sticky;
    top: 0;
    z-index: 1030;
    box-shadow: var(--shadow-sm);
}
.top-header .header-left {
    display: flex;
    align-items: center;
    gap: 16px;
}
.top-header .header-right {
    display: flex;
    align-items: center;
    gap: 12px;
}
.header-search {
    position: relative;
}
.header-search input {
    background: var(--gray-100);
    border: 1px solid transparent;
    border-radius: 8px;
    padding: 8px 16px 8px 38px;
    font-size: 14px;
    width: 280px;
    transition: var(--transition);
}
.header-search input:focus {
    background: #fff;
    border-color: var(--primary-light);
    box-shadow: 0 0 0 3px rgba(79,70,229,0.1);
    outline: none;
}
.header-search i {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--gray-400);
}
.btn-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    background: var(--gray-100);
    color: var(--gray-600);
    cursor: pointer;
    transition: var(--transition);
    position: relative;
}
.btn-icon:hover { background: var(--gray-200); color: var(--gray-800); }
.btn-icon .badge-dot {
    position: absolute;
    top: 8px;
    right: 8px;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--danger);
    border: 2px solid #fff;
}

#sidebar-toggle {
    display: none;
    width: 40px;
    height: 40px;
    border-radius: 10px;
    border: none;
    background: var(--gray-100);
    color: var(--gray-600);
    cursor: pointer;
    font-size: 18px;
}

/* ---- Page Content ---- */
.page-content {
    padding: 24px;
}
.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
    flex-wrap: wrap;
    gap: 12px;
}
.page-header h1 {
    font-size: 24px;
    font-weight: 700;
    color: var(--gray-900);
    margin: 0;
}
.page-header .breadcrumb {
    background: none;
    padding: 0;
    margin: 0;
    font-size: 13px;
}
.page-header .breadcrumb-item a { color: var(--gray-500); }
.page-header .breadcrumb-item.active { color: var(--gray-400); }

/* ---- Cards ---- */
.card {
    background: #fff;
    border: none;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
}
.card:hover { box-shadow: var(--shadow-md); }
.card-header {
    background: none;
    border-bottom: 1px solid var(--gray-100);
    padding: 16px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.card-header h5, .card-header h6 {
    font-weight: 600;
    margin: 0;
}
.card-body { padding: 20px; }

/* ---- Stat Cards ---- */
.stat-card {
    background: #fff;
    border: none;
    border-radius: var(--border-radius);
    padding: 20px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}
.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}
.stat-card .stat-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: #fff;
    margin-bottom: 16px;
}
.stat-card .stat-icon.bg-primary-soft { background: linear-gradient(135deg, var(--primary), var(--primary-dark)); }
.stat-card .stat-icon.bg-success-soft { background: linear-gradient(135deg, var(--success), #059669); }
.stat-card .stat-icon.bg-warning-soft { background: linear-gradient(135deg, var(--warning), #D97706); }
.stat-card .stat-icon.bg-danger-soft { background: linear-gradient(135deg, var(--danger), #DC2626); }
.stat-card .stat-icon.bg-info-soft { background: linear-gradient(135deg, var(--info), #0891B2); }
.stat-card .stat-icon.bg-secondary-soft { background: linear-gradient(135deg, var(--secondary), #0284C7); }
.stat-card .stat-value {
    font-size: 28px;
    font-weight: 700;
    color: var(--gray-900);
    line-height: 1;
}
.stat-card .stat-label {
    font-size: 13px;
    color: var(--gray-500);
    margin-top: 4px;
    font-weight: 500;
}
.stat-card .stat-change {
    font-size: 12px;
    font-weight: 600;
    margin-top: 8px;
}
.stat-card .stat-change.up { color: var(--success); }
.stat-card .stat-change.down { color: var(--danger); }
.stat-card::after {
    content: '';
    position: absolute;
    top: -20px;
    right: -20px;
    width: 100px;
    height: 100px;
    border-radius: 50%;
    opacity: 0.06;
}
.stat-card.card-primary::after { background: var(--primary); }
.stat-card.card-success::after { background: var(--success); }
.stat-card.card-warning::after { background: var(--warning); }
.stat-card.card-danger::after { background: var(--danger); }

/* ---- Tables ---- */
.table-card .table {
    margin: 0;
}
.table thead th {
    background: var(--gray-50);
    border-bottom: 2px solid var(--gray-200);
    color: var(--gray-600);
    font-weight: 600;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 12px 16px;
    white-space: nowrap;
}
.table tbody td {
    padding: 12px 16px;
    vertical-align: middle;
    border-bottom: 1px solid var(--gray-100);
    font-size: 14px;
}
.table tbody tr:hover { background: var(--gray-50); }
.table tbody tr:last-child td { border-bottom: none; }

/* ---- Badges ---- */
.badge {
    font-weight: 600;
    font-size: 11px;
    padding: 5px 10px;
    border-radius: 6px;
    letter-spacing: 0.3px;
}
.badge-hot { background: rgba(239,68,68,0.1); color: var(--danger); }
.badge-warm { background: rgba(245,158,11,0.1); color: var(--warning); }
.badge-cold { background: rgba(100,116,139,0.1); color: var(--gray-500); }
.badge-new { background: rgba(79,70,229,0.1); color: var(--primary); }
.badge-qualified { background: rgba(6,182,212,0.1); color: var(--info); }
.badge-won { background: rgba(16,185,129,0.1); color: var(--success); }
.badge-lost { background: rgba(239,68,68,0.1); color: var(--danger); }
.badge-source { background: rgba(14,165,233,0.1); color: var(--secondary); }
.badge-interest-high { background: rgba(239,68,68,0.1); color: #DC2626; }
.badge-interest-medium { background: rgba(245,158,11,0.1); color: #D97706; }
.badge-interest-low { background: rgba(100,116,139,0.1); color: var(--gray-500); }

/* ---- Buttons ---- */
.btn {
    border-radius: 8px;
    font-weight: 600;
    font-size: 14px;
    padding: 8px 18px;
    transition: var(--transition);
    border: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}
.btn i { font-size: 15px; }
.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: #fff;
    box-shadow: 0 2px 8px rgba(79,70,229,0.3);
}
.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-dark) 0%, #3730A3 100%);
    box-shadow: 0 4px 12px rgba(79,70,229,0.4);
    transform: translateY(-1px);
    color: #fff;
}
.btn-success {
    background: linear-gradient(135deg, var(--success) 0%, #059669 100%);
    color: #fff;
}
.btn-danger {
    background: linear-gradient(135deg, var(--danger) 0%, #DC2626 100%);
    color: #fff;
}
.btn-outline-primary {
    border: 1.5px solid var(--primary);
    color: var(--primary);
    background: transparent;
}
.btn-outline-primary:hover {
    background: var(--primary);
    color: #fff;
}
.btn-light {
    background: var(--gray-100);
    color: var(--gray-700);
    border: 1px solid var(--gray-200);
}
.btn-light:hover {
    background: var(--gray-200);
    color: var(--gray-800);
}
.btn-sm { padding: 5px 12px; font-size: 13px; }
.btn-lg { padding: 12px 24px; font-size: 16px; }

/* ---- Forms ---- */
.form-control, .form-select {
    border-radius: 8px;
    border: 1.5px solid var(--gray-200);
    padding: 10px 14px;
    font-size: 14px;
    transition: var(--transition);
    color: var(--gray-800);
}
.form-control:focus, .form-select:focus {
    border-color: var(--primary-light);
    box-shadow: 0 0 0 3px rgba(79,70,229,0.1);
}
.form-label {
    font-weight: 600;
    font-size: 13px;
    color: var(--gray-700);
    margin-bottom: 6px;
}
.input-group-text {
    border-radius: 8px;
    border: 1.5px solid var(--gray-200);
    background: var(--gray-50);
    color: var(--gray-500);
}

/* ---- Pipeline Board ---- */
.pipeline-board {
    display: flex;
    gap: 16px;
    overflow-x: auto;
    padding-bottom: 16px;
}
.pipeline-column {
    min-width: 280px;
    flex: 1;
    background: var(--gray-50);
    border-radius: var(--border-radius);
    padding: 16px;
}
.pipeline-column .column-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--gray-200);
}
.pipeline-column .column-header h6 {
    font-weight: 700;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin: 0;
}
.pipeline-column .column-count {
    background: var(--gray-200);
    color: var(--gray-600);
    font-size: 11px;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: 10px;
}
.pipeline-card {
    background: #fff;
    border-radius: 10px;
    padding: 14px;
    margin-bottom: 10px;
    box-shadow: var(--shadow-sm);
    cursor: grab;
    transition: var(--transition);
    border-left: 3px solid transparent;
}
.pipeline-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}
.pipeline-card.stage-new { border-left-color: var(--primary); }
.pipeline-card.stage-qualified { border-left-color: var(--info); }
.pipeline-card.stage-follow_up { border-left-color: var(--warning); }
.pipeline-card.stage-demo_scheduled { border-left-color: var(--secondary); }
.pipeline-card.stage-proposal_sent { border-left-color: #8B5CF6; }
.pipeline-card.stage-won { border-left-color: var(--success); }
.pipeline-card.stage-lost { border-left-color: var(--danger); }

.pipeline-card .lead-name {
    font-weight: 600;
    font-size: 14px;
    color: var(--gray-900);
}
.pipeline-card .lead-company {
    font-size: 12px;
    color: var(--gray-500);
    margin-top: 2px;
}
.pipeline-card .lead-meta {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 10px;
    font-size: 11px;
    color: var(--gray-400);
}

/* ---- Pipeline Drag & Drop ---- */
.pipeline-card.dragging {
    opacity: 0.4;
    transform: rotate(2deg);
    box-shadow: 0 8px 25px rgba(0,0,0,.15);
}
.pipeline-column-body.drag-over {
    background: rgba(102, 126, 234, 0.08);
    border: 2px dashed rgba(102, 126, 234, 0.4);
    border-radius: 8px;
    min-height: 100px;
}
.pipeline-column-body {
    min-height: 60px;
    transition: background 0.2s, border 0.2s;
    border: 2px dashed transparent;
    border-radius: 8px;
}

/* ---- Score Indicator ---- */
.score-bar {
    display: flex;
    align-items: center;
    gap: 8px;
}
.score-bar .bar {
    flex: 1;
    height: 6px;
    background: var(--gray-200);
    border-radius: 3px;
    overflow: hidden;
}
.score-bar .bar .fill {
    height: 100%;
    border-radius: 3px;
    transition: width 0.5s ease;
}
.score-bar .bar .fill.hot { background: linear-gradient(90deg, var(--danger), #F97316); }
.score-bar .bar .fill.warm { background: linear-gradient(90deg, var(--warning), #FBBF24); }
.score-bar .bar .fill.cold { background: linear-gradient(90deg, var(--gray-400), var(--gray-300)); }

/* ---- Chart containers ---- */
.chart-container {
    position: relative;
    height: 300px;
    width: 100%;
}
.chart-container-sm {
    position: relative;
    height: 200px;
    width: 100%;
}

/* ---- Empty State ---- */
.empty-state {
    text-align: center;
    padding: 48px 24px;
}
.empty-state .empty-icon {
    width: 80px;
    height: 80px;
    border-radius: 20px;
    background: var(--gray-100);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    font-size: 32px;
    color: var(--gray-400);
}
.empty-state h5 { color: var(--gray-700); font-weight: 600; }
.empty-state p { color: var(--gray-500); max-width: 400px; margin: 0 auto; }

/* ---- Alerts ---- */
.alert {
    border: none;
    border-radius: 10px;
    padding: 14px 18px;
    font-size: 14px;
    font-weight: 500;
}
.alert-success { background: rgba(16,185,129,0.1); color: #059669; }
.alert-danger { background: rgba(239,68,68,0.1); color: #DC2626; }
.alert-warning { background: rgba(245,158,11,0.1); color: #D97706; }
.alert-info { background: rgba(6,182,212,0.1); color: #0891B2; }

/* ---- Modal ---- */
.modal-content {
    border: none;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
}
.modal-header {
    border-bottom: 1px solid var(--gray-100);
    padding: 16px 20px;
}
.modal-header .modal-title { font-weight: 700; font-size: 18px; }
.modal-body { padding: 20px; }
.modal-footer { border-top: 1px solid var(--gray-100); padding: 12px 20px; }

/* ---- Pagination ---- */
.pagination .page-link {
    border-radius: 8px;
    margin: 0 2px;
    border: none;
    color: var(--gray-600);
    font-weight: 500;
    font-size: 14px;
    padding: 8px 14px;
}
.pagination .page-item.active .page-link {
    background: var(--primary);
    box-shadow: 0 2px 8px rgba(79,70,229,0.3);
}

/* ---- Visitor Form (Public) ---- */
.visitor-page {
    min-height: 100vh;
    background: linear-gradient(135deg, var(--darker) 0%, var(--primary-dark) 50%, var(--secondary) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
}
.visitor-card {
    background: #fff;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
    max-width: 520px;
    width: 100%;
    overflow: hidden;
}
.visitor-card .visitor-header {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    padding: 32px 28px;
    text-align: center;
    color: #fff;
}
.visitor-card .visitor-header h2 {
    font-size: 22px;
    font-weight: 700;
    margin: 12px 0 4px;
}
.visitor-card .visitor-header p {
    font-size: 14px;
    opacity: 0.85;
    margin: 0;
}
.visitor-card .visitor-body {
    padding: 28px;
}
.visitor-card .step-indicator {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-bottom: 24px;
}
.visitor-card .step-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--gray-200);
    transition: var(--transition);
}
.visitor-card .step-dot.active {
    background: var(--primary);
    width: 32px;
    border-radius: 5px;
}
.product-select-card {
    border: 2px solid var(--gray-200);
    border-radius: 12px;
    padding: 16px;
    cursor: pointer;
    transition: var(--transition);
    margin-bottom: 10px;
}
.product-select-card:hover {
    border-color: var(--primary-light);
    background: rgba(79,70,229,0.03);
}
.product-select-card.selected {
    border-color: var(--primary);
    background: rgba(79,70,229,0.05);
    box-shadow: 0 0 0 3px rgba(79,70,229,0.1);
}
.product-select-card .product-name {
    font-weight: 600;
    color: var(--gray-800);
}
.product-select-card .product-desc {
    font-size: 13px;
    color: var(--gray-500);
    margin-top: 2px;
}

/* ---- Thank You Page ---- */
.thankyou-page {
    text-align: center;
}
.thankyou-page .check-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--success), #059669);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: #fff;
    font-size: 36px;
    animation: scaleIn 0.5s ease;
}
@keyframes scaleIn {
    0% { transform: scale(0); }
    50% { transform: scale(1.2); }
    100% { transform: scale(1); }
}

/* ---- Login Page ---- */
.login-page {
    min-height: 100vh;
    background: linear-gradient(135deg, var(--darker) 0%, var(--primary-dark) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
}
.login-card {
    background: #fff;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
    max-width: 420px;
    width: 100%;
    padding: 40px;
}
.login-card .login-logo {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 24px;
    font-weight: 700;
    margin: 0 auto 20px;
}
.login-card h2 {
    font-size: 24px;
    font-weight: 700;
    text-align: center;
    color: var(--gray-900);
    margin-bottom: 4px;
}
.login-card .login-subtitle {
    text-align: center;
    color: var(--gray-500);
    font-size: 14px;
    margin-bottom: 28px;
}

/* ---- Loading Spinner ---- */
.spinner-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255,255,255,0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

/* ---- Responsive ---- */
@media (max-width: 991.98px) {
    .sidebar {
        transform: translateX(-100%);
    }
    .sidebar.show {
        transform: translateX(0);
    }
    .main-content {
        margin-left: 0;
    }
    #sidebar-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
    }
    .header-search input {
        width: 200px;
    }
}
@media (max-width: 767.98px) {
    .page-content { padding: 16px; }
    .page-header { flex-direction: column; align-items: flex-start; }
    .stat-card .stat-value { font-size: 22px; }
    .header-search { display: none; }
    .pipeline-board { flex-direction: column; }
    .pipeline-column { min-width: 100%; }
    .top-header { padding: 0 16px; }
}

/* ---- Sidebar overlay for mobile ---- */
.sidebar-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    z-index: 1035;
}
.sidebar-overlay.show { display: block; }

/* ---- Animations ---- */
.fade-in {
    animation: fadeIn 0.3s ease;
}
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ---- Quick action cards ---- */
.quick-action {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 16px;
    border-radius: var(--border-radius);
    background: #fff;
    box-shadow: var(--shadow);
    cursor: pointer;
    transition: var(--transition);
}
.quick-action:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    text-decoration: none;
}
.quick-action .action-icon {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    color: #fff;
    flex-shrink: 0;
}
.quick-action .action-text h6 { font-weight: 600; margin: 0; color: var(--gray-800); font-size: 14px; }
.quick-action .action-text p { margin: 0; font-size: 12px; color: var(--gray-500); }

/* ---- Activity Timeline ---- */
.activity-timeline {
    position: relative;
    padding-left: 28px;
}
.activity-timeline::before {
    content: '';
    position: absolute;
    left: 9px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--gray-200);
}
.activity-item {
    position: relative;
    padding-bottom: 20px;
}
.activity-item::before {
    content: '';
    position: absolute;
    left: -23px;
    top: 4px;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--primary);
    border: 2px solid #fff;
    box-shadow: 0 0 0 2px var(--primary-light);
}
.activity-item .activity-time {
    font-size: 11px;
    color: var(--gray-400);
}
.activity-item .activity-text {
    font-size: 13px;
    color: var(--gray-700);
}

/* ---- Dropdown menu styling ---- */
.dropdown-menu {
    border: none;
    border-radius: 10px;
    box-shadow: var(--shadow-lg);
    padding: 8px;
}
.dropdown-item {
    border-radius: 6px;
    padding: 8px 14px;
    font-size: 14px;
    font-weight: 500;
}
.dropdown-item:hover {
    background: var(--gray-100);
}
.dropdown-item i {
    width: 20px;
    margin-right: 8px;
    text-align: center;
}