/**
 * UpLift - Global Styles
 * Modern enterprise SaaS with collapsible sidebar + dark/light mode
 */

/* =====================================================
   CSS VARIABLES (Light Mode Default)
   ===================================================== */
:root {
    --app-bg: #f0f2f5;
    --app-surface: #ffffff;
    --app-surface-hover: #f8f9fa;
    --app-surface-alt: #f8f9fa;
    --app-text: #212529;
    --app-text-muted: #6c757d;
    --app-text-light: #adb5bd;
    --app-border: #dee2e6;
    --app-border-light: #e9ecef;
    
    --app-sidebar-bg: #1a1d23;
    --app-sidebar-text: #a8b0bf;
    --app-sidebar-active: #ffffff;
    --app-sidebar-hover-bg: rgba(255,255,255,0.08);
    --app-sidebar-section: rgba(255,255,255,0.35);
    --app-sidebar-width-expanded: 260px;
    --app-sidebar-width-collapsed: 68px;
    
    --app-topbar-bg: #ffffff;
    --app-topbar-border: #e5e7eb;
    --app-topbar-height: 56px;
    
    --app-primary: #4f46e5;
    --app-primary-hover: #4338ca;
    --app-primary-light: rgba(79, 70, 229, 0.1);
    --app-success: #059669;
    --app-success-light: rgba(5, 150, 105, 0.1);
    --app-danger: #dc2626;
    --app-danger-light: rgba(220, 38, 38, 0.1);
    --app-warning: #d97706;
    --app-warning-light: rgba(217, 119, 6, 0.1);
    --app-info: #0891b2;
    --app-info-light: rgba(8, 145, 178, 0.1);
    
    --app-card-shadow: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
    --app-card-radius: 8px;
    --app-transition: 0.2s ease;
}

/* =====================================================
   DARK MODE
   ===================================================== */
[data-theme="dark"] {
    --app-bg: #0f1117;
    --app-surface: #1a1d27;
    --app-surface-hover: #252830;
    --app-surface-alt: #15171e;
    --app-text: #e4e6eb;
    --app-text-muted: #8b8d93;
    --app-text-light: #5c5e64;
    --app-border: #2d3039;
    --app-border-light: #23262e;
    
    --app-sidebar-bg: #0d0f14;
    --app-sidebar-text: #8b8d93;
    --app-sidebar-hover-bg: rgba(255,255,255,0.06);
    
    --app-topbar-bg: #1a1d27;
    --app-topbar-border: #2d3039;
    
    --app-card-shadow: 0 1px 3px rgba(0,0,0,0.2);
}

/* Bootstrap dark mode overrides */
[data-theme="dark"] body { color: var(--app-text); }
[data-theme="dark"] .table { --bs-table-bg: transparent; --bs-table-color: var(--app-text); --bs-table-border-color: var(--app-border); --bs-table-striped-bg: rgba(255,255,255,0.02); --bs-table-hover-bg: rgba(255,255,255,0.04); }
[data-theme="dark"] .form-control, [data-theme="dark"] .form-select { background-color: var(--app-surface-alt); border-color: var(--app-border); color: var(--app-text); }
[data-theme="dark"] .form-control:focus, [data-theme="dark"] .form-select:focus { background-color: var(--app-surface); border-color: var(--app-primary); color: var(--app-text); }
[data-theme="dark"] .form-control::placeholder { color: var(--app-text-light); }
[data-theme="dark"] .modal-content { background-color: var(--app-surface); border-color: var(--app-border); color: var(--app-text); }
[data-theme="dark"] .modal-header { border-color: var(--app-border); }
[data-theme="dark"] .modal-footer { border-color: var(--app-border); }
[data-theme="dark"] .dropdown-menu { background-color: var(--app-surface); border-color: var(--app-border); }
[data-theme="dark"] .dropdown-item { color: var(--app-text); }
[data-theme="dark"] .dropdown-item:hover { background-color: var(--app-surface-hover); }
[data-theme="dark"] .dropdown-divider { border-color: var(--app-border); }
[data-theme="dark"] .card { background-color: var(--app-surface); border-color: var(--app-border); color: var(--app-text); }
[data-theme="dark"] .card-header { border-color: var(--app-border); }
[data-theme="dark"] .card-footer { border-color: var(--app-border); }
[data-theme="dark"] .list-group-item { background-color: var(--app-surface); border-color: var(--app-border); color: var(--app-text); }
[data-theme="dark"] .alert { border-color: var(--app-border); }
[data-theme="dark"] .nav-tabs { border-color: var(--app-border); }
[data-theme="dark"] .nav-tabs .nav-link { color: var(--app-text-muted); }
[data-theme="dark"] .nav-tabs .nav-link.active { background-color: var(--app-surface); border-color: var(--app-border) var(--app-border) var(--app-surface); color: var(--app-text); }
[data-theme="dark"] .tab-content { border-color: var(--app-border); }
[data-theme="dark"] .breadcrumb { --bs-breadcrumb-divider-color: var(--app-text-light); }
[data-theme="dark"] .breadcrumb-item a { color: var(--app-text-muted); }
[data-theme="dark"] .text-muted { color: var(--app-text-muted) !important; }
[data-theme="dark"] .bg-light { background-color: var(--app-surface-alt) !important; }
[data-theme="dark"] .bg-white { background-color: var(--app-surface) !important; }
[data-theme="dark"] .border { border-color: var(--app-border) !important; }
[data-theme="dark"] hr { border-color: var(--app-border); }
[data-theme="dark"] code { color: #e879f9; background-color: rgba(232, 121, 249, 0.1); padding: 2px 6px; border-radius: 4px; }
[data-theme="dark"] .input-group-text { background-color: var(--app-surface-alt); border-color: var(--app-border); color: var(--app-text-muted); }

/* =====================================================
   BODY & BASE
   ===================================================== */
body {
    background-color: var(--app-bg);
    color: var(--app-text);
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    font-size: 0.875rem;
    min-height: 100vh;
    overflow-x: hidden;
}

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

/* =====================================================
   SIDEBAR
   ===================================================== */
.app-sidebar {
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    width: var(--app-sidebar-width-collapsed);
    background: var(--app-sidebar-bg);
    color: var(--app-sidebar-text);
    z-index: 1040;
    transition: width var(--app-transition);
    overflow-x: hidden;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    scrollbar-width: thin;
    scrollbar-color: rgba(255,255,255,0.1) transparent;
}

.app-sidebar:hover,
.app-sidebar.pinned {
    width: var(--app-sidebar-width-expanded);
}

.sidebar-nav .nav-link.active > i {
    padding-right: .5vw;
}

/* Sidebar brand — left padding matches nav (6px) so active blocks align */
.sidebar-brand {
    height: var(--app-topbar-height);
    display: flex;
    align-items: center;
    padding: 0 16px;
    border-bottom: 1px solid rgba(255,255,255,0.06);
    flex-shrink: 0;
}
.sidebar-brand-icon {
    width: 36px;
    height: 36px;
    background: var(--app-primary);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1.1rem;
    flex-shrink: 0;
}
.sidebar-brand-icon i {
    transform: translateX(0.5px);
}
.sidebar-brand-text {
    margin-left: 12px;
    font-weight: 700;
    font-size: 1rem;
    color: #fff;
    white-space: nowrap;
    opacity: 0;
    transition: opacity 0.15s;
}
.app-sidebar:hover .sidebar-brand-text,
.app-sidebar.pinned .sidebar-brand-text { opacity: 1; }

/* Sidebar navigation */
.sidebar-nav {
    flex: 1;
    padding: 8px 0;
    min-width: 0;
    padding-right: 6px; /* room for scrollbar so icons don’t shift */
}

.sidebar-section {
    padding: 16px 16px 4px;
    font-size: 0.6rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--app-sidebar-section);
    white-space: nowrap;
    opacity: 0;
    height: 0;
    overflow: hidden;
    transition: opacity 0.15s, height 0.15s;
}
.app-sidebar:hover .sidebar-section,
.app-sidebar.pinned .sidebar-section { opacity: 1; height: auto; padding-top: 16px; }

.sidebar-nav .nav-link {
    display: flex;
    align-items: center;
    padding: 9px 10px;
    color: var(--app-sidebar-text);
    white-space: nowrap;
    border-radius: 6px;
    margin: 1px 6px;
    transition: background 0.15s, color 0.15s;
    text-decoration: none;
    font-size: 0.8125rem;
    min-width: 0;
}
.sidebar-nav .nav-link:hover {
    background: var(--app-sidebar-hover-bg);
    color: var(--app-sidebar-active);
}
.sidebar-nav .nav-link.active {
    background: var(--app-primary);
    color: #fff;
}
.sidebar-nav .nav-link i {
    width: 28px;
    min-width: 28px;
    font-size: 1.1rem;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    /* optical nudge: Bootstrap Icons glyphs often sit slightly left in the em box */
    transform: translateX(0.5px);
}
.sidebar-nav .nav-link .link-text {
    opacity: 0;
    transition: opacity 0.15s;
    margin-left: 4px;
}
.app-sidebar:hover .link-text,
.app-sidebar.pinned .link-text { opacity: 1; }

/* Nav item with submenu (link + arrow toggle) */
.nav-item-with-sub {
    display: flex;
    align-items: center;
    margin: 1px 6px;
}
.nav-item-with-sub .nav-link {
    flex: 1;
    min-width: 0;
    margin: 0;
}
.nav-sub-toggle {
    flex-shrink: 0;
    display: none;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    padding: 0;
    margin-left: 2px;
    color: var(--app-sidebar-text);
    background: none;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: background 0.15s, color 0.15s;
}
.app-sidebar:hover .nav-sub-toggle,
.app-sidebar.pinned .nav-sub-toggle {
    display: flex;
}
.nav-sub-toggle:hover {
    background: var(--app-sidebar-hover-bg);
    color: var(--app-sidebar-active);
}
.nav-sub-toggle i {
    transition: transform 0.2s ease;
}
.nav-sub-toggle.expanded i {
    transform: rotate(180deg);
}

/* Sub-links */
.sidebar-sub {
    display: none;
    padding-left: 20px;
}
.app-sidebar:hover .sidebar-sub.show,
.app-sidebar.pinned .sidebar-sub.show { display: block; }
.sidebar-sub .nav-link {
    padding: 6px 20px;
    font-size: 0.775rem;
    color: var(--app-sidebar-text);
    opacity: 0.8;
}
.sidebar-sub .nav-link:hover { opacity: 1; }
.sidebar-sub .nav-link.active { background: rgba(255,255,255,0.1); color: #fff; opacity: 1; }

/* Sidebar footer */
.sidebar-footer {
    border-top: 1px solid rgba(255,255,255,0.06);
    padding: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    flex-shrink: 0;
}
.sidebar-footer .btn-icon {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--app-sidebar-text);
    background: none;
    border: none;
    cursor: pointer;
    transition: background 0.15s, color 0.15s;
}
.sidebar-footer .btn-icon:hover {
    background: var(--app-sidebar-hover-bg);
    color: var(--app-sidebar-active);
}

/* =====================================================
   TOP BAR
   ===================================================== */
.app-topbar {
    position: fixed;
    top: 0;
    left: var(--app-sidebar-width-collapsed);
    right: 0;
    height: var(--app-topbar-height);
    background: var(--app-topbar-bg);
    border-bottom: 1px solid var(--app-topbar-border);
    display: flex;
    align-items: center;
    padding: 0 24px;
    z-index: 1030;
    transition: left var(--app-transition);
}
.app-sidebar.pinned ~ .app-topbar { left: var(--app-sidebar-width-expanded); }

.topbar-title {
    font-weight: 600;
    font-size: 1rem;
    color: var(--app-text);
}
.topbar-separator {
    width: 1px;
    height: 24px;
    background: var(--app-border);
    margin: 0 16px;
}
.topbar-company {
    color: var(--app-text-muted);
    font-size: 0.8125rem;
}
.topbar-user {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    padding: 4px 8px;
    border-radius: 6px;
    transition: background 0.15s;
}
.topbar-user:hover { background: var(--app-surface-hover); }
.topbar-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--app-primary);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.75rem;
}
.mobile-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--app-text);
    font-size: 1.25rem;
    padding: 4px 8px;
    margin-right: 12px;
    cursor: pointer;
}

/* =====================================================
   CONTENT AREA
   ===================================================== */
.app-content {
    margin-left: var(--app-sidebar-width-collapsed);
    margin-top: var(--app-topbar-height);
    padding: 24px;
    min-height: calc(100vh - var(--app-topbar-height));
    background: var(--app-bg);
    transition: margin-left var(--app-transition);
}
.app-sidebar.pinned ~ .app-topbar ~ .app-content,
.app-sidebar.pinned ~ .app-content { margin-left: var(--app-sidebar-width-expanded); }

/* =====================================================
   APP CARDS (replaces Bootstrap .card)
   ===================================================== */
.app-card {
    background: var(--app-surface);
    border: 1px solid var(--app-border);
    border-radius: var(--app-card-radius);
    box-shadow: var(--app-card-shadow);
    margin-bottom: 24px;
}
.app-card-header {
    padding: 14px 20px;
    border-bottom: 1px solid var(--app-border);
    font-weight: 600;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.9rem;
}
.app-card-body { padding: 20px; }
.app-card-footer {
    padding: 14px 20px;
    border-top: 1px solid var(--app-border);
    background: var(--app-surface-alt);
    border-radius: 0 0 var(--app-card-radius) var(--app-card-radius);
}

/* =====================================================
   STAT CARDS
   ===================================================== */
.stat-card {
    background: var(--app-surface);
    border: 1px solid var(--app-border);
    border-radius: var(--app-card-radius);
    padding: 20px;
    text-align: center;
    box-shadow: var(--app-card-shadow);
}
.stat-card .stat-icon { font-size: 1.5rem; margin-bottom: 8px; }
.stat-card .stat-value { font-size: 1.75rem; font-weight: 700; line-height: 1.2; }
.stat-card .stat-label { font-size: 0.75rem; color: var(--app-text-muted); text-transform: uppercase; letter-spacing: 0.5px; margin-top: 4px; }
a:hover .stat-card { border-color: var(--app-primary); box-shadow: 0 4px 12px rgba(0,0,0,0.08); }
a .stat-card { cursor: pointer; transition: border-color 0.15s, box-shadow 0.15s; }

/* =====================================================
   PAGE HEADER
   ===================================================== */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}
.page-header h1 { font-size: 1.25rem; font-weight: 700; margin: 0; }
.page-header .subtitle { color: var(--app-text-muted); font-size: 0.8125rem; margin-top: 2px; }

.bid-new-btn {
    box-shadow: 0 4px 14px rgba(5, 150, 105, 0.35);
}
.bid-new-btn:hover,
.bid-new-btn:focus {
    box-shadow: 0 6px 18px rgba(5, 150, 105, 0.45);
}
.bid-new-banner {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: 16px;
    flex-wrap: wrap;
    background: var(--app-success-light);
    border: 1px solid rgba(5, 150, 105, 0.35);
    border-radius: var(--app-card-radius);
    padding: 18px 20px;
}
.bid-new-banner-title {
    font-weight: 700;
    font-size: 1.125rem;
}
.bid-new-banner-text {
    color: var(--app-text-muted);
    font-size: 0.875rem;
    margin-top: 2px;
}

/* =====================================================
   STATUS BADGES
   ===================================================== */
.badge-status { font-size: 0.7rem; padding: 4px 8px; border-radius: 4px; font-weight: 500; }

/* =====================================================
   IMPERSONATION BAR
   ===================================================== */
.impersonation-bar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 32px;
    background: var(--app-warning);
    color: #000;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: 500;
    z-index: 1050;
    gap: 12px;
}
.impersonation-bar ~ .app-sidebar { top: 32px; }
.impersonation-bar ~ .app-topbar { top: 32px; }
.impersonation-bar ~ .app-topbar ~ .app-content { margin-top: calc(var(--app-topbar-height) + 32px); }

/* =====================================================
   SIDEBAR OVERLAY (hidden by default on all viewports)
   ===================================================== */
.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 1039;
}

/* =====================================================
   MOBILE RESPONSIVE
   ===================================================== */
@media (max-width: 991px) {
    .app-sidebar {
        transform: translateX(-100%);
        width: var(--app-sidebar-width-expanded) !important;
    }
    .app-sidebar.mobile-open { transform: translateX(0); }
    .app-topbar { left: 0 !important; }
    .app-content { margin-left: 0 !important; }
    .mobile-toggle { display: block; }
    .app-sidebar.mobile-open ~ .sidebar-overlay { display: block; }
}

/* =====================================================
   PRINT STYLES
   ===================================================== */
@media print {
    .app-sidebar, .app-topbar, .no-print, .impersonation-bar { display: none !important; }
    .app-content { margin: 0 !important; padding: 0 !important; }
    .receipt { width: 80mm; font-family: 'Courier New', monospace; font-size: 12px; }
}

/* =====================================================
   UTILITIES
   ===================================================== */
.cursor-pointer { cursor: pointer; }
.text-truncate-2 { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.gap-2 { gap: 0.5rem !important; }
.gap-3 { gap: 1rem !important; }

/* DataTables overrides */
.dataTables_wrapper { color: var(--app-text); }
.dataTables_wrapper .dataTables_filter input { background: var(--app-surface); border: 1px solid var(--app-border); color: var(--app-text); border-radius: 6px; padding: 6px 12px; }
.dataTables_wrapper .dataTables_length select { background: var(--app-surface); border: 1px solid var(--app-border); color: var(--app-text); border-radius: 6px; }
.dataTables_wrapper .dataTables_info { color: var(--app-text-muted); }
.dataTables_wrapper .dataTables_paginate .paginate_button { color: var(--app-text) !important; }
.dataTables_wrapper .dataTables_paginate .paginate_button.current { background: var(--app-primary) !important; color: #fff !important; border-color: var(--app-primary) !important; }

/* =====================================================
   VIN DECODER
   ===================================================== */
.vin-lookup-wrapper .vin-status { border-left: 0; background: transparent; padding: 0.375rem 0.5rem; }
.vin-feedback { display: block; margin-top: 0.25rem; }
.vin-autofilled { animation: vinFlash 0.6s ease; }
@keyframes vinFlash {
    0%   { background-color: rgba(25, 135, 84, 0.15); }
    100% { background-color: transparent; }
}

/* =====================================================
   CONTACT PICKER
   ===================================================== */
.contact-picker { position: relative; }
.contact-dropdown { position: absolute; z-index: 1050; background: var(--app-surface, #fff); border: 1px solid var(--app-border, #dee2e6); border-radius: 0.375rem; max-height: 280px; overflow-y: auto; width: 100%; box-shadow: 0 4px 12px rgba(0,0,0,0.1); display: none; }
.contact-dropdown .dropdown-item { padding: 0.5rem 0.75rem; cursor: pointer; border-bottom: 1px solid var(--app-border, #f0f0f0); }
.contact-dropdown .dropdown-item:hover { background: var(--app-hover, #f8f9fa); }
.contact-selected { background: var(--app-surface-alt, #f8f9fa); border: 1px solid var(--app-border, #dee2e6); border-radius: 0.375rem; padding: 0.75rem; }

/* =====================================================
   TOW ESTIMATION PANEL
   ===================================================== */
#towEstimatePanel { display: none; margin-top: 0.5rem; padding: 0.5rem 0.75rem; background: var(--app-surface-alt, #f8f9fa); border-radius: 0.375rem; border: 1px solid var(--app-border, #dee2e6); }