/* ===== Skeleton ERP — Modern Design System ===== */
@import url('../vendor/fonts/fonts.css');

:root {
    --primary: #4f46e5;
    --primary-dark: #4338ca;
    --primary-light: #e0e7ff;
    --primary-gradient: linear-gradient(135deg, #6366f1 0%, #4f46e5 100%);
    --secondary: #64748b;
    --success: #10b981;
    --success-light: #d1fae5;
    --danger: #f43f5e;
    --danger-light: #ffe4e6;
    --warning: #f59e0b;
    --warning-light: #fef3c7;
    --info: #0ea5e9;
    --info-light: #e0f2fe;
    --purple: #8b5cf6;
    --purple-light: #ede9fe;
    --dark: #0f172a;
    --darker: #090d16;
    --sidebar-bg: #0f172a;
    --sidebar-width: 260px;
    --header-height: 64px;
    --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-heading: 'Outfit', sans-serif;
    --border-color: #e2e8f0;
    --bg-light: #f8fafc;
    --card-bg: #ffffff;
    --card-shadow: 0 4px 20px -2px rgba(15, 23, 42, 0.05), 0 2px 6px -1px rgba(15, 23, 42, 0.02);
    --card-shadow-hover: 0 20px 25px -5px rgba(15, 23, 42, 0.08), 0 8px 10px -6px rgba(15, 23, 42, 0.03);
    --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
    font-family: var(--font-sans);
    background: var(--bg-light);
    color: #1e293b;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6, .font-heading {
    font-family: var(--font-heading);
    letter-spacing: -0.02em;
}

/* ===== Preloader & Media Lazy Loader ===== */
.page-preloader {
    position: fixed;
    top: 0; left: 0;
    width: 100vw; height: 100vh;
    background: #0f172a;
    z-index: 99999;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.4s cubic-bezier(0.4, 0, 0.2, 1), visibility 0.4s ease;
    opacity: 1;
    visibility: visible;
}
.page-preloader.fade-out {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}
.preloader-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}
.preloader-logo {
    width: 64px; height: 64px;
    background: var(--primary-gradient);
    border-radius: 18px;
    display: flex; align-items: center; justify-content: center;
    color: #fff;
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 26px;
    box-shadow: 0 10px 25px rgba(99, 102, 241, 0.45);
    animation: preloaderPulse 1.5s ease-in-out infinite alternate;
}
.preloader-spinner {
    width: 32px; height: 32px;
    border: 3px solid rgba(255, 255, 255, 0.15);
    border-top-color: #818cf8;
    border-radius: 50%;
    animation: preloaderSpin 0.8s linear infinite;
}
@keyframes preloaderSpin {
    to { transform: rotate(360deg); }
}
@keyframes preloaderPulse {
    from { transform: scale(0.95); box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3); }
    to { transform: scale(1.05); box-shadow: 0 12px 30px rgba(99, 102, 241, 0.6); }
}

/* ===== Image Lazy Loading & Skeleton Shimmer ===== */
img.lazy-load {
    opacity: 0;
    transition: opacity 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}
img.lazy-load.loaded {
    opacity: 1;
}

@keyframes skeletonShimmer {
    0% { background-position: -200px 0; }
    100% { background-position: calc(200px + 100%) 0; }
}
.skeleton-shimmer {
    background: linear-gradient(90deg, #f1f5f9 0%, #e2e8f0 50%, #f1f5f9 100%);
    background-size: 200px 100%;
    animation: skeletonShimmer 1.5s infinite;
    border-radius: 8px;
}

/* ===== Sidebar Navigation ===== */
.sidebar {
    position: fixed;
    left: 0; top: 0;
    width: var(--sidebar-width);
    height: 100vh;
    background: linear-gradient(180deg, #0f172a 0%, #1e1b4b 100%);
    color: #fff;
    z-index: 1040;
    transition: var(--transition);
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: rgba(255,255,255,.15) transparent;
}
.sidebar::-webkit-scrollbar { width: 4px; }
.sidebar::-webkit-scrollbar-thumb { background: rgba(255,255,255,.2); border-radius: 4px; }

.sidebar-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 18px 22px;
    background: rgba(9, 13, 22, 0.5);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid rgba(255,255,255,.08);
}
.sidebar-brand .logo-icon {
    width: 38px; height: 38px;
    background: var(--primary-gradient);
    border-radius: 12px;
    display: flex; align-items: center; justify-content: center;
    font-family: var(--font-heading);
    font-weight: 800; font-size: 18px;
    color: #fff;
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.35);
}
.sidebar-brand h4 { font-size: 17px; font-weight: 700; margin: 0; color: #fff; }
.sidebar-brand small { font-size: 11px; color: #94a3b8; display: block; font-weight: 500; }

.sidebar-nav { padding: 16px 8px; }
.sidebar-nav .nav-group { margin-bottom: 6px; }

.sidebar-nav .nav-toggle {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 14px 6px;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: #64748b;
    cursor: pointer;
    transition: var(--transition);
    border-radius: 6px;
    border: none;
    background: none;
    width: 100%;
    text-align: left;
    text-decoration: none;
}

.sidebar-nav .nav-toggle:hover {
    color: #94a3b8;
}
.sidebar-nav .nav-toggle.has-active {
    color: #818cf8;
    font-weight: 700;
    background: transparent;
}
.sidebar-nav .nav-toggle.has-active i,
.sidebar-nav .nav-toggle.has-active span i {
    color: #818cf8;
}

.sidebar-nav .nav-toggle .nav-arrow {
    font-size: 11px;
    transition: transform 0.25s ease;
}
.sidebar-nav .nav-toggle.collapsed .nav-arrow { transform: rotate(-90deg); }

.sidebar-nav .nav-children {
    max-height: 500px;
    overflow: hidden;
    transition: max-height 0.3s ease, opacity 0.2s ease;
    opacity: 1;
}
.sidebar-nav .nav-children.collapsed {
    max-height: 0;
    opacity: 0;
}

/* Standardized Uniform Sidebar Menu Typography */
.sidebar-nav .nav-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9.5px 14px;
    color: #cbd5e1;
    text-decoration: none;
    font-size: 13.5px;
    font-weight: 600;
    text-transform: none;
    letter-spacing: normal;
    transition: var(--transition);
    border-radius: 8px;
    margin-bottom: 2px;
    cursor: pointer;
    background: transparent;
}
.sidebar-nav .nav-children .nav-item { padding-left: 28px; }

.sidebar-nav .nav-item:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.05);
    transform: translateX(3px);
}
.sidebar-nav .nav-item.active {
    color: #818cf8 !important;
    background: transparent !important;
    font-weight: 700 !important;
    border-left: 3px solid #6366f1;
    border-radius: 0 8px 8px 0;
    box-shadow: none !important;
}
.sidebar-nav .nav-item.active i,
.sidebar-nav .nav-item.active span i {
    color: #818cf8 !important;
}

/* Specificity override for root icons inside spans */
.sidebar-nav .nav-toggle span i,
.sidebar-nav > .nav-item span i,
.sidebar-nav > .nav-item i {
    width: auto !important;
    text-align: left !important;
    margin-right: 8px !important;
}

/* ===== Header Bar ===== */
.main-header {
    position: fixed;
    top: 0;
    left: var(--sidebar-width);
    right: 0;
    height: var(--header-height);
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 28px;
    z-index: 1030;
    box-shadow: 0 1px 3px rgba(0,0,0,.03);
}
.main-header .page-title {
    font-family: var(--font-heading);
    font-size: 19px;
    font-weight: 700;
    color: #0f172a;
}
.main-header .header-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}
.header-avatar {
    width: 38px; height: 38px;
    background: var(--primary-gradient);
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    color: #fff;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 14px;
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(99, 102, 241, 0.3);
    transition: var(--transition);
}
.header-avatar:hover { transform: scale(1.05); }

/* ===== Main Content Area ===== */
.main-content {
    margin-left: var(--sidebar-width);
    margin-top: var(--header-height);
    padding: 28px;
    min-height: calc(100vh - var(--header-height));
}

/* ===== Cards & Containers ===== */
.card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    box-shadow: var(--card-shadow);
    transition: var(--transition);
}
.card:hover { box-shadow: var(--card-shadow-hover); }

.card-header {
    padding: 18px 24px;
    border-bottom: 1px solid var(--border-color);
    background: transparent;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.card-header h5 {
    font-family: var(--font-heading);
    font-size: 16px;
    font-weight: 700;
    color: #0f172a;
    margin: 0;
}
.card-body { padding: 24px; }

/* ===== Stat Metrics Cards ===== */
.stat-card {
    background: #fff;
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 22px;
    display: flex;
    align-items: center;
    gap: 18px;
    transition: var(--transition);
    box-shadow: var(--card-shadow);
}
.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--card-shadow-hover);
}
.stat-card .stat-icon {
    width: 52px; height: 52px;
    border-radius: 14px;
    display: flex; align-items: center; justify-content: center;
    font-size: 24px;
    flex-shrink: 0;
}
.stat-icon.blue { background: rgba(99, 102, 241, 0.12); color: var(--primary); }
.stat-icon.green { background: rgba(16, 185, 129, 0.12); color: var(--success); }
.stat-icon.orange { background: rgba(245, 158, 11, 0.12); color: var(--warning); }
.stat-icon.red { background: rgba(244, 63, 94, 0.12); color: var(--danger); }
.stat-icon.purple { background: rgba(139, 92, 246, 0.12); color: var(--purple); }

.stat-card .stat-info h3 {
    font-family: var(--font-heading);
    font-size: 24px; font-weight: 800; margin: 0; color: #0f172a;
}
.stat-card .stat-info p {
    font-size: 13px; color: var(--secondary); margin: 0; font-weight: 500;
}

/* ===== Tables ===== */
.table-responsive { border-radius: 12px; }
.table { font-size: 13.5px; margin-bottom: 0; }
.table thead th {
    font-family: var(--font-sans);
    font-weight: 700;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: #64748b;
    background: #f8fafc;
    border-bottom: 1px solid var(--border-color);
    padding: 14px 18px;
    white-space: nowrap;
}
.table tbody td {
    padding: 14px 18px;
    vertical-align: middle;
    border-bottom: 1px solid #f1f5f9;
    color: #334155;
}
.table tbody tr { transition: background 0.15s ease; }
.table tbody tr:hover { background: #f8fafc; }

/* ===== Pill Badges ===== */
.badge-status {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 11.5px;
    font-weight: 600;
    text-transform: capitalize;
}
.badge-status::before {
    content: '';
    width: 6px; height: 6px;
    border-radius: 50%;
    background: currentColor;
}
.badge-pending { background: var(--warning-light); color: #d97706; }
.badge-processing { background: var(--info-light); color: #0284c7; }
.badge-approved, .badge-confirmed, .badge-paid, .badge-issued, .badge-active, .badge-completed {
    background: var(--success-light); color: #059669;
}
.badge-rejected, .badge-cancelled, .badge-inactive, .badge-refunded, .badge-unpaid {
    background: var(--danger-light); color: #e11d48;
}
.badge-partial { background: var(--warning-light); color: #d97706; }
.badge-booked { background: var(--primary-light); color: var(--primary-dark); }
.badge-delivered { background: var(--purple-light); color: #7c3aed; }

/* ===== Nav Pills & Tabs ===== */
.nav-pills .nav-link {
    font-family: var(--font-sans);
    font-weight: 600;
    font-size: 13.5px;
    color: #64748b;
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 9px 18px;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.nav-pills .nav-link:hover {
    color: var(--primary);
    background: var(--primary-light);
    border-color: rgba(99, 102, 241, 0.3);
}
.nav-pills .nav-link.active {
    background: var(--primary-gradient) !important;
    color: #ffffff !important;
    border-color: transparent !important;
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.25);
}

/* ===== Buttons ===== */
.btn {
    font-family: var(--font-sans);
    border-radius: 10px;
    font-size: 13.5px;
    font-weight: 600;
    padding: 9px 18px;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}
.btn-primary {
    background: var(--primary-gradient) !important;
    border: none !important;
    color: #fff !important;
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.25);
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(99, 102, 241, 0.35);
}
.btn-outline-primary {
    border: 1px solid var(--border-color);
    color: var(--primary);
    background: #fff;
}
.btn-outline-primary:hover {
    background: var(--primary-light);
    border-color: var(--primary);
    color: var(--primary-dark);
}
.btn-sm { padding: 6px 12px; font-size: 12px; border-radius: 8px; }
.btn-icon {
    width: 34px; height: 34px;
    padding: 0;
    display: inline-flex; align-items: center; justify-content: center;
    border-radius: 8px;
}

/* ===== Form Controls ===== */
.form-control, .form-select {
    border-radius: 10px;
    border: 1px solid var(--border-color);
    font-size: 13.5px;
    padding: 9px 14px;
    background-color: #f8fafc;
    transition: var(--transition);
    color: #1e293b;
}
.form-control:focus, .form-select:focus {
    background-color: #fff;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.15);
}
.form-label {
    font-size: 13px;
    font-weight: 600;
    color: #475569;
    margin-bottom: 6px;
}

/* ===== Modals ===== */
.modal-content {
    border-radius: 20px;
    border: 1px solid var(--border-color);
    box-shadow: 0 25px 50px -12px rgba(15, 23, 42, 0.25);
    overflow: hidden;
}
.modal-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color);
    background: #f8fafc;
}
.modal-header .modal-title { font-family: var(--font-heading); font-size: 17px; font-weight: 700; color: #0f172a; }
.modal-body { padding: 24px; }
.modal-footer { padding: 16px 24px; border-top: 1px solid var(--border-color); background: #f8fafc; }

/* ===== Loading & Empty States ===== */
.loading-spinner {
    text-align: center;
    padding: 50px;
    color: var(--secondary);
}
.loading-spinner .spinner-border { color: var(--primary); width: 2.5rem; height: 2.5rem; }

.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--secondary);
}
.empty-state i { font-size: 52px; margin-bottom: 16px; color: #cbd5e1; display: block; }
.empty-state h5 { font-family: var(--font-heading); font-weight: 700; margin-bottom: 8px; color: #334155; }

/* ===== Pagination ===== */
.pagination .page-link {
    border-radius: 8px;
    font-size: 13px;
    font-weight: 600;
    color: #475569;
    border: 1px solid var(--border-color);
    margin: 0 3px;
    padding: 7px 14px;
    transition: var(--transition);
}
.pagination .page-item.active .page-link {
    background: var(--primary-gradient);
    border-color: transparent;
    color: #fff;
    box-shadow: 0 2px 8px rgba(99, 102, 241, 0.3);
}

/* ===== Action bar ===== */
.action-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 14px;
    margin-bottom: 24px;
}
.action-bar .search-box { position: relative; }
.action-bar .search-box input {
    padding-left: 38px;
    width: 290px;
    border-radius: 10px;
}
.action-bar .search-box i {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: #94a3b8;
    font-size: 15px;
}

/* Select2 Premium Styling */
.select2-container--default .select2-selection--single {
    height: 42px !important;
    border: 1px solid var(--border-color) !important;
    border-radius: 10px !important;
    padding: 6px 12px !important;
    transition: all 0.2s ease !important;
    background-color: #f8fafc !important;
    display: flex !important;
    align-items: center !important;
}
.select2-container--default.select2-container--focus .select2-selection--single {
    border-color: #6366f1 !important;
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.15) !important;
    background-color: #fff !important;
}
.select2-container--default .select2-selection--single .select2-selection__rendered {
    line-height: 28px !important;
    color: #1e293b !important;
    padding-left: 0 !important;
    font-weight: 500;
}
.select2-container--default .select2-selection--single .select2-selection__arrow {
    height: 40px !important;
    right: 10px !important;
}
.select2-container--default .select2-selection--single .select2-selection__arrow b {
    border-color: #64748b transparent transparent transparent !important;
}
.select2-dropdown {
    border: 1px solid var(--border-color) !important;
    border-radius: 12px !important;
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1) !important;
    overflow: hidden !important;
    margin-top: 5px !important;
}
.select2-container--default .select2-search--dropdown .select2-search__field {
    border: 1px solid var(--border-color) !important;
    border-radius: 8px !important;
    padding: 8px 12px !important;
}
.select2-container--default .select2-results__option--highlighted[aria-selected] {
    background-color: var(--primary) !important;
}
.select2-container--default .select2-results__option {
    padding: 10px 15px !important;
    font-size: 13.5px !important;
}
.select2-container--open { z-index: 9999 !important; }

/* ===== Auth & Login Page ===== */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: radial-gradient(at 0% 0%, #1e1b4b 0px, transparent 50%),
                radial-gradient(at 100% 100%, #0f172a 0px, transparent 50%),
                linear-gradient(135deg, #090d16 0%, #1e1b4b 100%);
    padding: 20px;
}
.login-card {
    background: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 24px;
    padding: 44px;
    width: 100%;
    max-width: 440px;
    box-shadow: 0 25px 60px -15px rgba(0, 0, 0, 0.5);
}
.login-card .logo-box {
    width: 64px; height: 64px;
    background: var(--primary-gradient);
    border-radius: 18px;
    display: flex; align-items: center; justify-content: center;
    color: #fff;
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 24px;
    margin: 0 auto 24px;
    box-shadow: 0 8px 20px rgba(99, 102, 241, 0.4);
}
.login-card h3 {
    text-align: center;
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 24px;
    color: #0f172a;
    margin-bottom: 8px;
}
.login-card .subtitle {
    text-align: center;
    color: #64748b;
    font-size: 14px;
    margin-bottom: 32px;
    font-weight: 500;
}

/* ===== Animations ===== */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}
.fade-in { animation: fadeIn 0.4s cubic-bezier(0.4, 0, 0.2, 1); }

/* ===== Responsive Mobile & Tablet Rules ===== */
@media (max-width: 991.98px) {
    .sidebar {
        transform: translateX(-100%);
        box-shadow: 0 0 30px rgba(0, 0, 0, 0.4);
    }
    .sidebar.show {
        transform: translateX(0);
    }
    .main-header {
        left: 0;
        padding: 0 16px;
    }
    .main-content {
        margin-left: 0;
        padding: 16px;
    }
    .action-bar {
        flex-direction: column;
        align-items: stretch;
    }
    .action-bar .search-box input {
        width: 100%;
    }
}