/**
 * Tender Access Hub - UI/UX Enhancement Styles
 * Glassmorphism + Minimal Scandinavian (A+C Blend)
 */

/* ===== CSS Custom Properties ===== */
:root {
    --glass-bg: rgba(255, 255, 255, 0.65);
    --glass-border: rgba(255, 255, 255, 0.35);
    --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.06);
    --glass-blur: 16px;
    --mesh-1: #e0e7ff;
    --mesh-2: #fce7f3;
    --mesh-3: #dbeafe;
    --mesh-4: #f3e8ff;
    --warm-bg: #faf9f7;
    --sidebar-width: 256px;
}

/* ===== Alpine.js x-cloak (hide before init) ===== */
[x-cloak] {
    display: none !important;
}



/* ===== Dashboard Body & Mesh Background ===== */
.dash-body {
    background: var(--warm-bg);
    position: relative;
}
.dash-mesh-bg {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    background:
        radial-gradient(ellipse 600px 600px at 10% 20%, var(--mesh-1), transparent 70%),
        radial-gradient(ellipse 500px 500px at 80% 10%, var(--mesh-2), transparent 70%),
        radial-gradient(ellipse 400px 400px at 50% 80%, var(--mesh-3), transparent 70%),
        radial-gradient(ellipse 350px 350px at 90% 70%, var(--mesh-4), transparent 70%);
    opacity: 0.5;
    animation: mesh-drift 20s ease-in-out infinite alternate;
}
@keyframes mesh-drift {
    0% { transform: scale(1) translate(0, 0); }
    50% { transform: scale(1.05) translate(-10px, 15px); }
    100% { transform: scale(1) translate(10px, -10px); }
}

/* ===== Frosted Glass Utility ===== */
.dash-glass {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    box-shadow: var(--glass-shadow);
}

/* ===== Top Bar ===== */
.dash-topbar {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
    z-index: 40;
}
/* ===== Sidebar ===== */
.dash-sidebar {
    background: rgba(255, 255, 255, 0.55);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-right: 1px solid rgba(0, 0, 0, 0.04);
    z-index: 30;
    overflow-y: auto;
    overflow-x: hidden;
    position: relative;
}
.dash-sidebar::-webkit-scrollbar { width: 3px; }
.dash-sidebar::-webkit-scrollbar-track { background: transparent; }
.dash-sidebar::-webkit-scrollbar-thumb { background: rgba(0,0,0,0.1); border-radius: 10px; }
/* ===== Nav Items ===== */
.dash-nav-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem 0.75rem;
    border-radius: 0.75rem;
    font-size: 0.8125rem;
    font-weight: 500;
    color: #6b7280;
    transition: all 0.2s var(--transition-smooth);
    position: relative;
    letter-spacing: -0.01em;
}
.dash-nav-item:hover {
    background: rgba(0, 0, 0, 0.04);
    color: #374151;
}
.dash-nav-item.active {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(139, 92, 246, 0.08));
    color: #4f46e5;
    box-shadow: inset 0 0 0 1px rgba(99, 102, 241, 0.15);
}
.dash-nav-item.active::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 60%;
    border-radius: 0 4px 4px 0;
    background: linear-gradient(180deg, #6366f1, #8b5cf6);
}

/* ===== Glassmorphism Cards ===== */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    box-shadow: var(--glass-shadow);
    transition: all 0.3s var(--transition-smooth);
    position: relative;
    overflow: hidden;
}
.glass-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, transparent, rgba(99, 102, 241, 0.3), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
}
.glass-card:hover {
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.08);
    transform: translateY(-2px);
    border-color: rgba(99, 102, 241, 0.15);
}
.glass-card:hover::before {
    opacity: 1;
}
/* ===== Gradient Stat Icons ===== */
.stat-icon-blue { background: linear-gradient(135deg, #6366f1, #818cf8); box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3); }
.stat-icon-green { background: linear-gradient(135deg, #10b981, #34d399); box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3); }
.stat-icon-amber { background: linear-gradient(135deg, #f59e0b, #fbbf24); box-shadow: 0 4px 12px rgba(245, 158, 11, 0.3); }
.stat-icon-purple { background: linear-gradient(135deg, #8b5cf6, #a78bfa); box-shadow: 0 4px 12px rgba(139, 92, 246, 0.3); }
.stat-icon-red { background: linear-gradient(135deg, #ef4444, #f87171); box-shadow: 0 4px 12px rgba(239, 68, 68, 0.3); }
.stat-icon-cyan { background: linear-gradient(135deg, #06b6d4, #22d3ee); box-shadow: 0 4px 12px rgba(6, 182, 212, 0.3); }

/* ===== Skeleton Loading ===== */
.skeleton {
    background: linear-gradient(90deg, rgba(0,0,0,0.04) 25%, rgba(0,0,0,0.08) 50%, rgba(0,0,0,0.04) 75%);
    background-size: 200% 100%;
    animation: skeleton-shimmer 1.5s ease-in-out infinite;
    border-radius: 0.5rem;
}
@keyframes skeleton-shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* ===== Card Hover Microinteractions ===== */
.tender-card-enhanced {
    transition: all 0.3s var(--transition-smooth);
    position: relative;
    overflow: hidden;
}
.tender-card-enhanced::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(99, 102, 241, 0.04), transparent);
    transition: left 0.5s ease;
}
.tender-card-enhanced:hover::before { left: 100%; }
.tender-card-enhanced:hover {
    transform: translateY(-3px);
    box-shadow: 0 20px 40px -12px rgba(0, 0, 0, 0.1);
    border-color: rgba(99, 102, 241, 0.2);
}
/* ===== Password Toggle ===== */
.input-with-icon { position: relative; }
.input-with-icon .input-icon {
    position: absolute; left: 0.875rem; top: 50%; transform: translateY(-50%);
    color: #9ca3af; pointer-events: none; width: 1.25rem; height: 1.25rem;
}
.input-with-icon input { padding-left: 2.75rem; }
.input-with-icon .toggle-password {
    position: absolute; right: 0.75rem; top: 50%; transform: translateY(-50%);
    color: #9ca3af; cursor: pointer; padding: 0.25rem; border-radius: 0.25rem;
}
.input-with-icon .toggle-password:hover { color: #6b7280; }

/* ===== Notification Bell ===== */
.notification-badge {
    position: absolute; top: -2px; right: -2px;
    width: 18px; height: 18px;
    background: linear-gradient(135deg, #ef4444, #f87171);
    color: white; font-size: 10px; font-weight: 700;
    border-radius: 50%; display: flex; align-items: center; justify-content: center;
    border: 2px solid white;
    animation: badge-pop 0.3s var(--transition-smooth);
    box-shadow: 0 2px 8px rgba(239, 68, 68, 0.4);
}
@keyframes badge-pop {
    0% { transform: scale(0); }
    50% { transform: scale(1.2); }
    100% { transform: scale(1); }
}

/* ===== Kanban Board ===== */
.kanban-column { min-height: 200px; transition: background-color 0.2s ease; }
.kanban-column.drag-over { background-color: rgba(99, 102, 241, 0.05); }
.kanban-card { cursor: grab; transition: all 0.2s ease; }
.kanban-card:active { cursor: grabbing; }
.kanban-card.dragging { opacity: 0.5; transform: rotate(2deg); }
.kanban-card:hover { transform: translateY(-1px); box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1); }

/* ===== Empty State ===== */
.empty-state-icon { width: 120px; height: 120px; margin: 0 auto 1.5rem; opacity: 0.5; }
.empty-state-icon svg { width: 100%; height: 100%; }

/* ===== Command Palette ===== */
.command-palette-overlay {
    position: fixed; inset: 0;
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 9998;
    display: flex; align-items: flex-start; justify-content: center;
    padding-top: 12vh;
}
.command-palette {
    width: 100%; max-width: 580px;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: 1.25rem;
    box-shadow: 0 25px 60px -12px rgba(0, 0, 0, 0.25), 0 0 0 1px rgba(255, 255, 255, 0.2);
    overflow: hidden;
}
.command-item {
    display: flex; align-items: center; gap: 0.75rem;
    padding: 0.625rem 1.25rem;
    cursor: pointer; transition: all 0.15s ease;
    border-radius: 0.5rem;
    margin: 0 0.5rem;
}
.command-item:hover, .command-item.active {
    background: rgba(99, 102, 241, 0.06);
}
/* ===== Fade-in Animations ===== */
.fade-in-up {
    opacity: 0;
    transform: translateY(16px);
    transition: opacity 0.5s ease, transform 0.5s ease;
    animation: fadeInUpFallback 0.6s ease-out forwards;
    animation-delay: 0.8s;
}
.fade-in-up.visible {
    opacity: 1;
    transform: translateY(0);
    animation: none;
}
@keyframes fadeInUpFallback {
    to { opacity: 1; transform: translateY(0); }
}

/* ===== Stagger Animation Delays ===== */
.stagger-1 { transition-delay: 0.05s !important; }
.stagger-2 { transition-delay: 0.1s !important; }
.stagger-3 { transition-delay: 0.15s !important; }
.stagger-4 { transition-delay: 0.2s !important; }
.stagger-5 { transition-delay: 0.25s !important; }
.stagger-6 { transition-delay: 0.3s !important; }

/* ===== Data Table Enhancements ===== */
.sortable-header { cursor: pointer; user-select: none; transition: color 0.15s ease; }
.sortable-header:hover { color: #6366f1; }
.sortable-header .sort-icon {
    display: inline-block; width: 14px; height: 14px;
    margin-left: 4px; opacity: 0.4; vertical-align: middle; transition: opacity 0.15s ease;
}
.sortable-header:hover .sort-icon, .sortable-header.sorted .sort-icon { opacity: 1; }

/* ===== Dashboard Glass Table ===== */
.dash-table {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    box-shadow: var(--glass-shadow);
    border-radius: 1rem;
    overflow: hidden;
}
.dash-table thead {
    background: rgba(0, 0, 0, 0.02);
}
.dash-table tbody tr {
    transition: background 0.15s ease;
}
.dash-table tbody tr:hover {
    background: rgba(99, 102, 241, 0.03);
}
/* ===== Countdown Timers ===== */
.cd-num { font-weight: 700; font-variant-numeric: tabular-nums; }
.cd-lbl { font-size: 0.65em; opacity: 0.7; margin-right: 2px; }
.countdown-blocks { display: flex; align-items: center; gap: 4px; }
.cd-block {
    display: flex; flex-direction: column; align-items: center;
    background: linear-gradient(135deg, rgba(99,102,241,0.08), rgba(139,92,246,0.06));
    border-radius: 10px; padding: 6px 10px; min-width: 48px;
}
.cd-val { font-size: 1.25rem; font-weight: 700; line-height: 1.2; font-variant-numeric: tabular-nums; color: #4f46e5; }
.cd-unit { font-size: 0.6rem; text-transform: uppercase; letter-spacing: 0.05em; color: #6b7280; margin-top: 1px; }
.cd-sep { font-weight: 700; color: #9ca3af; font-size: 1rem; padding-bottom: 12px; }

/* ===== Status Badges ===== */
.dash-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.625rem;
    border-radius: 20px;
    font-size: 0.6875rem;
    font-weight: 600;
    letter-spacing: 0.02em;
}
.dash-badge-green { background: rgba(16, 185, 129, 0.1); color: #059669; }
.dash-badge-yellow { background: rgba(245, 158, 11, 0.1); color: #d97706; }
.dash-badge-red { background: rgba(239, 68, 68, 0.1); color: #dc2626; }
.dash-badge-blue { background: rgba(99, 102, 241, 0.1); color: #4f46e5; }
/* ===== Active Pulse Indicator ===== */
.pulse-dot {
    width: 8px; height: 8px; border-radius: 50%;
    background: #10b981; position: relative;
}
.pulse-dot::before {
    content: ''; position: absolute; inset: -3px;
    border-radius: 50%; background: rgba(16, 185, 129, 0.3);
    animation: pulse-ring 2s ease-in-out infinite;
}
@keyframes pulse-ring {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.8); opacity: 0; }
}

/* ===== Subscription Banner ===== */
.sub-banner {
    background: linear-gradient(135deg, #4f46e5, #7c3aed, #6366f1);
    border-radius: 1rem;
    position: relative;
    overflow: hidden;
}
.sub-banner::before {
    content: '';
    position: absolute; inset: 0;
    background: radial-gradient(ellipse at 80% 20%, rgba(255,255,255,0.15), transparent 50%),
                radial-gradient(ellipse at 20% 80%, rgba(255,255,255,0.1), transparent 50%);
}

/* ===== Sparkline Charts ===== */
.sparkline { display: inline-block; vertical-align: middle; }

/* ===== Breadcrumbs ===== */
.breadcrumb-item + .breadcrumb-item::before {
    content: ''; display: inline-block; width: 16px; height: 16px; margin: 0 0.5rem;
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%239CA3AF' stroke-width='2'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' d='M9 5l7 7-7 7'/%3E%3C/svg%3E") center/contain no-repeat;
    vertical-align: middle;
}

/* ===== Custom Scrollbar for main ===== */
main::-webkit-scrollbar { width: 6px; }
main::-webkit-scrollbar-track { background: transparent; }
main::-webkit-scrollbar-thumb { background: rgba(0,0,0,0.08); border-radius: 10px; }
main::-webkit-scrollbar-thumb:hover { background: rgba(0,0,0,0.15); }
/* ===== Warm accent for links ===== */
.dash-link {
    color: #6366f1;
    transition: color 0.15s ease;
}
.dash-link:hover { color: #4f46e5; }
/* Urgency states */
.cd-urgent .cd-val,
.cd-urgent .cd-num { color: #d97706; }
.cd-urgent .cd-block { background: linear-gradient(135deg, #fffbeb, #fef3c7); }
.cd-critical .cd-val,
.cd-critical .cd-num { color: #dc2626; }
.cd-critical .cd-block { background: linear-gradient(135deg, #fef2f2, #fee2e2); }
.countdown-expired {
    color: #9ca3af;
    font-weight: 600;
    font-size: 0.75rem;
}
.is-expired .cd-block { opacity: 0.5; }

/* ===== Print-Friendly Styles ===== */
@media print {
    /* Hide non-essential elements */
    nav, aside, footer, .print\\:hidden,
    [data-notifications],
    button, form, .command-palette-overlay,
    .fixed, [x-cloak] {
        display: none !important;
    }

    body {
        font-family: 'Times New Roman', serif;
        font-size: 12pt;
        color: #000 !important;
        background: #fff !important;
        margin: 0;
        padding: 20px;
    }

    main, .flex-1 {
        width: 100% !important;
        max-width: 100% !important;
        padding: 0 !important;
        margin: 0 !important;
    }

    /* Show tender content clearly */
    .bg-white, .bg-gray-50, .bg-gray-100,
    .dark\\:bg-gray-800, .dark\\:bg-gray-900 {
        background: #fff !important;
        border: 1px solid #ddd !important;
        box-shadow: none !important;
    }

    h1 { font-size: 18pt; margin-bottom: 8pt; }
    h2 { font-size: 14pt; margin-bottom: 6pt; }
    h3 { font-size: 12pt; margin-bottom: 4pt; }

    a { color: #000 !important; text-decoration: underline; }
    a[href]:after { content: " (" attr(href) ")"; font-size: 9pt; color: #666; }
    a[href^="/"]:after { content: ""; }
    a[href^="#"]:after { content: ""; }

    /* Remove blur from locked content in print */
    .blur-content { filter: none !important; }

    /* Page break control */
    .rounded-xl, .rounded-2xl { break-inside: avoid; }



    .text-gray-400, .text-gray-500 {
        color: #666 !important;
    }
}

/* ===== Mobile Bottom Navigation ===== */
.bottom-nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2px;
    padding: 4px 0;
    min-width: 56px;
    min-height: 44px;
    font-size: 0.625rem;
    font-weight: 500;
    color: #6b7280;
    text-decoration: none;
    transition: color 0.15s ease;
    -webkit-tap-highlight-color: transparent;
    border: none;
    background: none;
    cursor: pointer;
}
.bottom-nav-item.active {
    color: #2563eb;
}
.bottom-nav-item:hover {
    color: #2563eb;
}
.bottom-nav-item svg {
    transition: transform 0.15s ease;
}
.bottom-nav-item:active svg {
    transform: scale(0.9);
}

/* Safe area insets for notched devices */
.safe-area-pb {
    padding-bottom: env(safe-area-inset-bottom, 0px);
}
.safe-area-pt {
    padding-top: env(safe-area-inset-top, 0px);
}

/* ===== Touch Target Sizing ===== */
@media (pointer: coarse) {
    /* Ensure all interactive elements meet 44x44 minimum */
    button, a, input[type="checkbox"], input[type="radio"],
    select, .clickable, [role="button"] {
        min-height: 44px;
        min-width: 44px;
    }
    
    /* Compact items in lists */
    .bottom-nav-item {
        min-height: 44px;
    }
    
    /* Increase tap area for small buttons without visual change */
    .p-2, .p-1 {
        position: relative;
    }
    .p-2::after, .p-1::after {
        content: '';
        position: absolute;
        inset: -6px;
    }
}

/* ===== Mobile Tap Highlight & Overscroll ===== */
* {
    -webkit-tap-highlight-color: transparent;
}
html {
    -webkit-text-size-adjust: 100%;
    overscroll-behavior-y: contain;
}

/* ===== Responsive Table → Card Conversion ===== */
@media (max-width: 767px) {
    .responsive-table {
        display: block;
    }
    .responsive-table thead {
        display: none;
    }
    .responsive-table tbody {
        display: flex;
        flex-direction: column;
        gap: 0.75rem;
    }
    .responsive-table tr {
        display: flex;
        flex-direction: column;
        background: white;
        border-radius: 0.75rem;
        border: 1px solid #e5e7eb;
        padding: 0.75rem;
        gap: 0.25rem;
    }
    .responsive-table td {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 0.375rem 0;
        border: none;
        font-size: 0.875rem;
    }
    .responsive-table td::before {
        content: attr(data-label);
        font-weight: 600;
        font-size: 0.75rem;
        color: #6b7280;
        text-transform: uppercase;
        letter-spacing: 0.05em;
        flex-shrink: 0;
        margin-right: 1rem;
    }
    .responsive-table td:not(:last-child) {
        border-bottom: 1px solid #f3f4f6;
    }
    /* Horizontal scroll fallback for tables that shouldn't transform */
    .table-scroll-mobile {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: thin;
    }
    
    /* Body padding for bottom nav */
    body {
        padding-bottom: calc(3.5rem + env(safe-area-inset-bottom, 0px));
    }
    
    /* Adjust footer margin for bottom nav */
    footer {
        margin-bottom: calc(3.5rem + env(safe-area-inset-bottom, 0px));
    }
    
    /* Toast notifications above bottom nav */
    .fixed.bottom-20 {
        bottom: 5rem !important;
    }
}

/* ===== Mobile-First Form Enhancements ===== */
@media (max-width: 767px) {
    input[type="text"],
    input[type="email"],
    input[type="password"],
    input[type="search"],
    input[type="tel"],
    input[type="url"],
    input[type="number"],
    select,
    textarea {
        font-size: 16px !important; /* Prevent iOS zoom on focus */
    }
}

/* ===== Smooth GPU Animations ===== */
.glass-card,
.tender-card-enhanced,
.dash-sidebar,
.dash-topbar,
#mobile-bottom-nav,
#pwa-install-banner {
    will-change: transform;
    transform: translateZ(0);
}

/* ===== Bottom Nav ===== */
@media (max-width: 767px) {
    #mobile-bottom-nav {
        box-shadow: 0 -1px 3px rgba(0, 0, 0, 0.1);
    }
    }

/* ===== Pull-to-Refresh Spinner ===== */
#ptr-spinner.animate-spin {
    animation: spin 0.8s linear infinite;
}
@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* ===== Mobile Card Spacing ===== */
@media (max-width: 639px) {
    .grid {
        gap: 0.75rem;
    }
    .p-6 {
        padding: 1rem;
    }
    .px-6 {
        padding-left: 1rem;
        padding-right: 1rem;
    }
}

/* ===== Landscape Mode Adjustments ===== */
@media (max-height: 500px) and (orientation: landscape) {
    #mobile-bottom-nav {
        height: 2.5rem;
    }
    .bottom-nav-item span {
        display: none;
    }
    .bottom-nav-item svg {
        width: 1.25rem;
        height: 1.25rem;
    }
}

/* ===== Reduced Motion ===== */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    .glass-card:hover {
        transform: none;
    }
    .tender-card-enhanced:hover {
        transform: none;
    }
}

/* ========================================
   DESKTOP ENHANCEMENTS
   ======================================== */

/* ===== Wide-Screen Optimization (1440px+) ===== */
@media (min-width: 1440px) {
    .max-w-7xl {
        max-width: 1400px;
    }
    
    /* 4-column grids for tender cards */
    .tender-grid-wide {
        grid-template-columns: repeat(4, 1fr);
    }
}

@media (min-width: 1920px) {
    .max-w-7xl {
        max-width: 1600px;
    }
}

/* ===== Mega Dropdown ===== */
.mega-dropdown {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    top: 100%;
    width: 680px;
    background: white;
    border-radius: 1rem;
    box-shadow: 0 20px 60px -12px rgba(0, 0, 0, 0.15), 0 0 0 1px rgba(0, 0, 0, 0.05);
    border: 1px solid #e5e7eb;
    padding: 1.5rem;
    z-index: 100;
}
.mega-dropdown-item {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 0.625rem 0.75rem;
    border-radius: 0.75rem;
    transition: background 0.15s ease;
    text-decoration: none;
}
.mega-dropdown-item:hover {
    background: #f3f4f6;
}
.mega-dropdown-icon {
    width: 2.25rem;
    height: 2.25rem;
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.125rem;
    flex-shrink: 0;
}

/* ===== Breadcrumbs ===== */
.breadcrumbs {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.8125rem;
    color: #6b7280;
    padding: 0.75rem 0;
    flex-wrap: wrap;
}
.breadcrumbs a {
    color: #6b7280;
    text-decoration: none;
    transition: color 0.15s;
}
.breadcrumbs a:hover {
    color: #4f46e5;
}
.breadcrumbs .bc-separator {
    color: #d1d5db;
    font-size: 0.75rem;
}
.breadcrumbs .bc-current {
    color: #111827;
    font-weight: 500;
}
/* ===== Split-Pane Layout ===== */
.split-pane {
    display: grid;
    grid-template-columns: 420px 1fr;
    gap: 0;
    height: calc(100vh - 4rem);
    overflow: hidden;
}
.split-pane-list {
    overflow-y: auto;
    border-right: 1px solid #e5e7eb;
    background: #fafafa;
}
.split-pane-detail {
    overflow-y: auto;
    padding: 1.5rem;
}
.split-pane-list-item {
    padding: 0.875rem 1.25rem;
    border-bottom: 1px solid #f3f4f6;
    cursor: pointer;
    transition: background 0.15s ease;
}
.split-pane-list-item:hover {
    background: #f3f4f6;
}
.split-pane-list-item.active {
    background: #eff6ff;
    border-left: 3px solid #2563eb;
}
/* Split pane resizer handle */
.split-pane-resizer {
    width: 4px;
    cursor: col-resize;
    background: transparent;
    transition: background 0.2s;
    position: relative;
    z-index: 5;
}
.split-pane-resizer:hover,
.split-pane-resizer.active {
    background: #6366f1;
}
.split-pane-resizer::after {
    content: '';
    position: absolute;
    inset: -4px;
}

/* ===== Bulk Actions Toolbar ===== */
.bulk-toolbar {
    position: sticky;
    top: 4rem;
    z-index: 30;
    background: white;
    border-bottom: 1px solid #e5e7eb;
    padding: 0.625rem 1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
    animation: slideDown 0.2s ease;
}
@keyframes slideDown {
    from { transform: translateY(-100%); }
    to { transform: translateY(0); }
}

/* ===== Infinite Scroll Loading ===== */
.infinite-scroll-trigger {
    height: 1px;
    margin-top: -1px;
}
.infinite-scroll-loader {
    display: flex;
    justify-content: center;
    padding: 2rem;
}
.infinite-scroll-loader .dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #6366f1;
    margin: 0 4px;
    animation: dotBounce 0.6s infinite alternate;
}
.infinite-scroll-loader .dot:nth-child(2) { animation-delay: 0.2s; }
.infinite-scroll-loader .dot:nth-child(3) { animation-delay: 0.4s; }
@keyframes dotBounce {
    from { transform: translateY(0); opacity: 0.4; }
    to { transform: translateY(-8px); opacity: 1; }
}

/* ===== Skeleton Pulse (Improved) ===== */
.skeleton-desktop {
    background: linear-gradient(90deg, 
        rgba(0,0,0,0.03) 25%, 
        rgba(0,0,0,0.06) 50%, 
        rgba(0,0,0,0.03) 75%);
    background-size: 200% 100%;
    animation: skeleton-shimmer 1.5s ease-in-out infinite;
    border-radius: 0.5rem;
}
/* ===== Desktop Hover States ===== */
@media (hover: hover) {
    /* Enhanced card hover */
    .tender-card-enhanced {
        position: relative;
    }
    .tender-card-enhanced::after {
        content: '';
        position: absolute;
        inset: 0;
        border-radius: inherit;
        box-shadow: 0 0 0 0 rgba(99, 102, 241, 0);
        transition: box-shadow 0.3s ease;
        pointer-events: none;
    }
    .tender-card-enhanced:hover::after {
        box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.15);
    }
    
    /* Quick action buttons on card hover */
    .card-quick-actions {
        position: absolute;
        top: 0.75rem;
        right: 0.75rem;
        display: flex;
        gap: 0.375rem;
        opacity: 0;
        transform: translateY(-4px);
        transition: opacity 0.2s ease, transform 0.2s ease;
    }
    .tender-card-enhanced:hover .card-quick-actions {
        opacity: 1;
        transform: translateY(0);
    }
    .card-quick-actions button {
        width: 2rem;
        height: 2rem;
        display: flex;
        align-items: center;
        justify-content: center;
        border-radius: 0.5rem;
        background: white;
        border: 1px solid #e5e7eb;
        color: #6b7280;
        cursor: pointer;
        transition: all 0.15s;
        box-shadow: 0 1px 3px rgba(0,0,0,0.06);
    }
    .card-quick-actions button:hover {
        background: #4f46e5;
        border-color: #4f46e5;
        color: white;
    }
}

/* ===== Sidebar Filter Panel (Resizable) ===== */
.filter-sidebar {
    width: 280px;
    flex-shrink: 0;
    border-right: 1px solid #e5e7eb;
    overflow-y: auto;
    background: white;
    transition: width 0.2s ease;
}
.filter-sidebar.collapsed {
    width: 0;
    padding: 0;
    border: none;
    overflow: hidden;
}

/* ===== Desktop-Only Back-to-Top Refinement ===== */
@media (min-width: 768px) {
    .back-to-top-btn {
        right: 2rem;
        bottom: 2rem;
        width: 2.75rem;
        height: 2.75rem;
        opacity: 0.7;
        transition: opacity 0.2s, transform 0.2s;
    }
    .back-to-top-btn:hover {
        opacity: 1;
        transform: scale(1.1);
    }
}