/* AttestFlow SaaS Master Stylesheet */
:root, [data-theme="light"] {
    color-scheme: light;

    /* Surfaces & Backgrounds */
    --bg-page: #F8FAFC;
    --bg-card: #FFFFFF;
    --bg-card-hover: #F8FAFC;
    --bg-elevated: #FFFFFF;
    --bg-subtle: #F1F5F9;
    --bg-input: #FFFFFF;
    --bg-header: #FFFFFF;
    --bg-sidebar: #FFFFFF;
    --bg-sidebar-hover: #F8FAFC;
    --bg-modal: #FFFFFF;
    --bg-modal-header: #FAFBFD;
    --bg-modal-footer: #F8FAFC;
    --bg-dropdown: #FFFFFF;
    --bg-dropdown-hover: #F8FAFC;
    --bg-table-th: #F8FAFC;
    --bg-table-hover: #F8FAFC;
    --bg-table-alt: #FFFFFF;
    --bg-toast: #FFFFFF;
    --bg-backdrop: rgba(15, 23, 42, 0.55);
    --bg-tab-pill: #F1F5F9;
    --bg-tab-wrapper: #F7F8FA;

    /* Borders */
    --border-color: #E2E8F0;
    --border-subtle: #F1F5F9;
    --border-input: #CBD5E1;
    --border-focus: rgba(37, 99, 235, 0.25);
    --border-card: #E2E8F0;

    /* Typography */
    --text-main: #0F172A;
    --text-secondary: #334155;
    --text-muted: #64748B;
    --text-subtle: #94A3B8;
    --text-inverse: #FFFFFF;
    --text-placeholder: #94A3B8;

    /* Brand Primary Actions */
    --primary: #2563EB;
    --primary-hover: #1D4ED8;
    --primary-light: #EFF6FF;
    --primary-focus: rgba(37, 99, 235, 0.18);
    --primary-text: #FFFFFF;

    /* Semantics & Status */
    --success: #16A34A;
    --success-light: #ECFDF5;
    --success-text: #047857;
    --success-border: #A7F3D0;

    --warning: #D97706;
    --warning-light: #FFFBEB;
    --warning-text: #B45309;
    --warning-border: #FDE68A;

    --danger: #DC2626;
    --danger-light: #FEF2F2;
    --danger-text: #B91C1C;
    --danger-border: #FECACA;

    --info: #2563EB;
    --info-light: #EFF6FF;
    --info-text: #1D4ED8;
    --info-border: #BFDBFE;

    --purple: #9333EA;
    --purple-light: #FAF5FF;
    --purple-text: #7E22CE;

    --teal: #0D9488;
    --teal-light: #F0FDFA;
    --teal-text: #0F766E;

    --gray-badge-bg: #F1F5F9;
    --gray-badge-text: #475569;

    /* Dimensions & Radius */
    --sidebar-width: 210px;
    --header-height: 56px;
    --radius: 10px;
    --radius-card: 10px;
    --radius-sm: 6px;
    --radius-pill: 9999px;

    /* Shadows & Elevation */
    --shadow-subtle: 0 1px 3px rgba(0, 0, 0, 0.04);
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.04);
    --shadow-lg: 0 10px 25px -5px rgba(15, 23, 42, 0.08), 0 8px 10px -6px rgba(15, 23, 42, 0.04);
    --shadow-modal: 0 25px 70px -10px rgba(0, 0, 0, 0.35), 0 10px 24px -5px rgba(0, 0, 0, 0.15);

    /* Scrollbars */
    --scrollbar-track: #F1F5F9;
    --scrollbar-thumb: #CBD5E1;
    --scrollbar-thumb-hover: #94A3B8;

    /* Skeletons */
    --skeleton-base: #F1F5F9;
    --skeleton-pulse: #E2E8F0;

    /* Chart specific */
    --chart-grid: #F1F5F9;
    --chart-label: #64748B;
    --chart-sublabel: #94A3B8;
    --chart-point-bg: #FFFFFF;

    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
}

[data-theme="dark"] {
    color-scheme: dark;

    /* Layered Surfaces (Depth Hierarchy: Level 0 -> 1 -> 2 -> 3 -> 4) */
    --bg-page: #0B0F19;
    --bg-card: #151D2C;
    --bg-card-hover: #1A2436;
    --bg-sidebar: #111724;
    --bg-sidebar-hover: #1A2436;
    --bg-header: #111724;
    --bg-toast: #1E293B;

    --bg-input: #192334;
    --bg-subtle: #192334;
    --bg-table-th: #131B2A;
    --bg-table-hover: #182335;
    --bg-table-alt: #131A28;
    --bg-tab-pill: #192334;
    --bg-tab-wrapper: #131B2A;

    --bg-elevated: #1E293B;
    --bg-dropdown: #1E293B;
    --bg-dropdown-hover: #26354D;

    --bg-modal: #182234;
    --bg-modal-header: #141C2B;
    --bg-modal-footer: #141C2B;
    --bg-backdrop: rgba(0, 0, 0, 0.75);

    /* Borders */
    --border-color: #273449;
    --border-subtle: #1E293B;
    --border-input: #33435B;
    --border-focus: rgba(96, 165, 250, 0.5);
    --border-card: #273449;

    /* Typography */
    --text-main: #F8FAFC;
    --text-secondary: #E2E8F0;
    --text-muted: #94A3B8;
    --text-subtle: #64748B;
    --text-inverse: #0F172A;
    --text-placeholder: #64748B;

    /* Primary Actions */
    --primary: #3B82F6;
    --primary-hover: #60A5FA;
    --primary-light: rgba(59, 130, 246, 0.18);
    --primary-focus: rgba(59, 130, 246, 0.35);
    --primary-text: #FFFFFF;

    /* Status Badges */
    --success: #22C55E;
    --success-light: rgba(34, 197, 94, 0.16);
    --success-text: #4ADE80;
    --success-border: rgba(74, 222, 128, 0.3);

    --warning: #F59E0B;
    --warning-light: rgba(245, 158, 11, 0.16);
    --warning-text: #FBBF24;
    --warning-border: rgba(251, 191, 36, 0.3);

    --danger: #EF4444;
    --danger-light: rgba(239, 68, 68, 0.16);
    --danger-text: #F87171;
    --danger-border: rgba(248, 113, 113, 0.3);

    --info: #38BDF8;
    --info-light: rgba(56, 189, 248, 0.16);
    --info-text: #7DD3FC;
    --info-border: rgba(125, 211, 252, 0.3);

    --purple: #A855F7;
    --purple-light: rgba(168, 85, 247, 0.16);
    --purple-text: #C084FC;

    --teal: #14B8A6;
    --teal-light: rgba(20, 184, 166, 0.16);
    --teal-text: #2DD4BF;

    --gray-badge-bg: rgba(148, 163, 184, 0.12);
    --gray-badge-text: #CBD5E1;

    /* Shadows & Elevation */
    --shadow-subtle: 0 1px 3px rgba(0, 0, 0, 0.3);
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.35);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -2px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 25px -5px rgba(0, 0, 0, 0.5), 0 8px 10px -6px rgba(0, 0, 0, 0.4);
    --shadow-modal: 0 25px 70px -10px rgba(0, 0, 0, 0.7), 0 10px 24px -5px rgba(0, 0, 0, 0.5);

    /* Scrollbars */
    --scrollbar-track: #0F172A;
    --scrollbar-thumb: #2D3D54;
    --scrollbar-thumb-hover: #475D7E;

    /* Skeletons */
    --skeleton-base: #1E293B;
    --skeleton-pulse: #28374D;

    /* Chart specific */
    --chart-grid: #223044;
    --chart-label: #CBD5E1;
    --chart-sublabel: #94A3B8;
    --chart-point-bg: #151D2C;
}

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

body {
    font-family: var(--font-family);
    background-color: var(--bg-page);
    color: var(--text-main);
    font-size: 13.5px;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: color 0.15s ease;
}
a:hover {
    color: var(--primary-hover);
}

/* App Shell Layout */
.app-container {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.app-sidebar {
    width: var(--sidebar-width);
    background-color: var(--bg-sidebar);
    border-right: 1px solid var(--border-color);
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    z-index: 40;
    display: flex;
    flex-direction: column;
    transition: width 0.25s cubic-bezier(0.4, 0, 0.2, 1), transform 0.25s cubic-bezier(0.4, 0, 0.2, 1), background-color 0.2s ease, border-color 0.2s ease;
}

.sidebar-collapse-toggle {
    background: none;
    border: 1px solid transparent;
    color: var(--text-subtle);
    border-radius: 4px;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    margin-left: auto;
    transition: all 0.15s ease;
}
.sidebar-collapse-toggle:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-color);
    color: var(--text-main);
}

.sidebar-brand {
    height: var(--header-height);
    padding: 0 16px;
    display: flex;
    align-items: center;
    gap: 10px;
    border-bottom: 1px solid var(--border-color);
}

.brand-icon {
    width: 30px;
    height: 30px;
    background: linear-gradient(135deg, #2563EB, #1D4ED8);
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #FFFFFF;
    font-weight: 700;
    font-size: 15px;
    box-shadow: 0 2px 4px rgba(37, 99, 235, 0.25);
}

.brand-icon.brand-icon-has-logo {
    background: transparent !important;
    box-shadow: none !important;
    overflow: hidden;
}

.brand-icon.brand-icon-has-logo img {
    max-width: 100%;
    max-height: 100%;
    width: auto;
    height: auto;
    object-fit: contain;
    display: block;
    border-radius: 4px;
}

.brand-full-logo img {
    max-width: 155px;
    max-height: 38px;
    width: auto;
    height: auto;
    object-fit: contain;
    display: block;
}

.brand-compact-logo img {
    max-width: 36px;
    max-height: 36px;
    width: auto;
    height: auto;
    object-fit: contain;
    display: block;
    border-radius: 6px;
}

.brand-text h1 {
    font-size: 15px;
    font-weight: 700;
    color: var(--text-main);
    letter-spacing: -0.01em;
    line-height: 1.1;
}

.brand-text span {
    font-size: 9px;
    font-weight: 600;
    color: var(--primary);
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.sidebar-nav {
    flex: 1;
    overflow-y: auto;
    padding: 14px 10px;
}

.nav-section-title {
    font-size: 10px;
    font-weight: 700;
    color: var(--text-subtle);
    letter-spacing: 0.06em;
    text-transform: uppercase;
    padding: 8px 10px 4px 10px;
    margin-top: 8px;
}
.nav-section-title:first-child {
    margin-top: 0;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 7px 12px;
    color: var(--text-secondary);
    font-size: 13px;
    font-weight: 500;
    border-radius: 6px;
    margin-bottom: 2px;
    transition: background-color 0.15s ease, color 0.15s ease;
}

.nav-item svg {
    width: 17px;
    height: 17px;
    stroke-width: 1.8;
    color: var(--text-muted);
    transition: color 0.15s ease;
}

.nav-item:hover {
    background-color: var(--bg-sidebar-hover);
    color: var(--text-main);
}
.nav-item:hover svg {
    color: var(--text-main);
}

.nav-item.active {
    background-color: var(--primary-light);
    color: var(--primary);
    font-weight: 600;
}
.nav-item.active svg {
    color: var(--primary);
}

.sidebar-footer {
    padding: 12px 14px;
    border-top: 1px solid var(--border-color);
    font-size: 11px;
    color: var(--text-subtle);
}

/* Header */
.app-main {
    flex: 1;
    margin-left: var(--sidebar-width);
    display: flex;
    flex-direction: column;
    min-width: 0;
    transition: margin-left 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.app-header {
    height: var(--header-height);
    background-color: var(--bg-header);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 30;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    transition: background-color 0.2s ease, border-color 0.2s ease;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 16px;
}

.btn-sidebar-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    background: transparent;
    border: 1px solid transparent;
    border-radius: 6px;
    color: var(--text-muted);
    cursor: pointer;
    transition: all 0.15s ease;
    padding: 0;
}

.btn-sidebar-toggle:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-color);
    color: var(--text-main);
}

.header-search {
    position: relative;
    width: 280px;
}

.header-search input {
    width: 100%;
    height: 34px;
    padding: 0 12px 0 32px;
    background-color: var(--bg-input);
    border: 1px solid var(--border-input);
    border-radius: var(--radius-sm);
    font-size: 12.5px;
    color: var(--text-main);
    outline: none;
    transition: border-color 0.15s ease, background-color 0.15s ease, box-shadow 0.15s ease;
}
.header-search input:focus {
    background-color: var(--bg-card);
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-focus);
}

.header-search svg {
    position: absolute;
    left: 10px;
    top: 9px;
    width: 14px;
    height: 14px;
    color: var(--text-muted);
}

.search-results-dropdown {
    display: none;
    position: absolute;
    top: 40px;
    left: 0;
    right: 0;
    background: var(--bg-dropdown);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    box-shadow: var(--shadow-md);
    z-index: 100;
    max-height: 380px;
    overflow-y: auto;
    color: var(--text-main);
}

.header-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

/* Theme Switcher Button & Dropdown in Header */
.theme-switcher-box {
    position: relative;
    display: flex;
    align-items: center;
}

.btn-theme-toggle {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    height: 32px;
    padding: 0 10px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s ease;
}

.btn-theme-toggle:hover {
    background: var(--bg-card-hover);
    color: var(--text-main);
    border-color: var(--border-focus);
}

.notif-btn {
    position: relative;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-muted);
    padding: 6px;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.notif-btn:hover {
    background-color: var(--bg-card-hover);
    color: var(--text-main);
}

.notif-badge {
    position: absolute;
    top: 4px;
    right: 4px;
    background-color: var(--danger);
    color: #FFFFFF;
    font-size: 9px;
    font-weight: 700;
    min-width: 15px;
    height: 15px;
    border-radius: var(--radius-pill);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--bg-header);
}

/* Header Profile Bar & Dropdown */
.header-profile-trigger {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    user-select: none;
    padding: 3px 6px;
    border-radius: 8px;
    transition: background-color 0.15s ease;
}
.header-profile-trigger:hover {
    background-color: var(--bg-card-hover);
}

.profile-avatar-box {
    position: relative;
    width: 38px;
    height: 38px;
    flex-shrink: 0;
}

.profile-avatar-circle {
    width: 38px;
    height: 38px;
    background: #1D4ED8;
    color: #FFFFFF;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 13.5px;
    letter-spacing: 0.2px;
}

img.profile-avatar-circle {
    display: block;
    object-fit: cover;
    border: 1px solid var(--border-color);
}

.profile-online-badge {
    position: absolute;
    bottom: -1px;
    right: -1px;
    width: 11px;
    height: 11px;
    background-color: #10B981;
    border: 2px solid var(--bg-header);
    border-radius: 50%;
}

.profile-meta-box {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    line-height: 1.15;
}

.profile-name-row {
    display: flex;
    align-items: center;
    gap: 4px;
}

.profile-name-text {
    font-size: 13.5px;
    font-weight: 700;
    color: var(--text-main);
    letter-spacing: -0.01em;
}

.profile-chevron-icon {
    color: var(--text-muted);
    transition: transform 0.15s ease;
}

.header-profile-trigger[aria-expanded="true"] .profile-chevron-icon {
    transform: rotate(180deg);
}

.profile-role-pill {
    margin-top: 2px;
    background: var(--success-light);
    color: var(--success-text);
    font-size: 10.5px;
    font-weight: 600;
    padding: 1px 7px;
    border-radius: 9999px;
    display: inline-block;
    line-height: 1.25;
}

/* Profile Dropdown Menu Card */
.header-profile-dropdown {
    position: absolute;
    right: 0;
    top: calc(100% + 8px);
    width: 220px;
    background: var(--bg-dropdown);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    z-index: 1000;
    overflow: hidden;
    animation: profileDropdownFade 0.15s ease-out;
}

@keyframes profileDropdownFade {
    from {
        opacity: 0;
        transform: translateY(-6px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.dropdown-user-header {
    padding: 12px 14px;
    display: flex;
    align-items: center;
    gap: 10px;
    background: var(--bg-dropdown);
    border-bottom: 1px solid var(--border-color);
}

.dropdown-avatar {
    width: 38px;
    height: 38px;
    font-size: 14px;
    flex-shrink: 0;
}

.dropdown-user-info {
    display: flex;
    flex-direction: column;
}

.dropdown-user-name {
    font-size: 13.5px;
    font-weight: 700;
    color: var(--text-main);
}

.dropdown-user-role {
    font-size: 11.5px;
    font-weight: 600;
    color: var(--success-text);
    margin-top: 1px;
}

.dropdown-menu-divider {
    height: 1px;
    background-color: var(--border-color);
}

.dropdown-menu-list {
    padding: 6px 8px;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.dropdown-menu-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 10px;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: 8px;
    transition: background-color 0.12s ease, color 0.12s ease;
}

.dropdown-menu-item:hover {
    background-color: var(--bg-dropdown-hover);
    color: var(--text-main);
}

.dropdown-item-icon {
    flex-shrink: 0;
    color: var(--text-muted);
}

.dropdown-menu-item.logout-item {
    color: var(--danger-text);
}

.dropdown-menu-item.logout-item:hover {
    background-color: var(--danger-light);
    color: var(--danger);
}

.dropdown-menu-item.logout-item .dropdown-item-icon {
    color: var(--danger-text);
}

/* Main Content Area */
.content-area {
    padding: 24px 28px;
    max-width: 1440px;
    width: 100%;
    margin: 0 auto;
}

/* Page Header & Title System (Global Header Simplification) */
.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
    flex-wrap: wrap;
    gap: 12px;
}

.page-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-main);
    letter-spacing: -0.02em;
    margin: 0 !important;
    line-height: 1.25 !important;
}

/* Globally remove descriptive subtitles from all page headers */
.page-subtitle,
.page-header .page-subtitle,
.page-header p.page-subtitle,
.header-subtitle {
    display: none !important;
    margin: 0 !important;
    padding: 0 !important;
    height: 0 !important;
    visibility: hidden !important;
}

.page-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

/* Grid System */
.grid-metrics, .kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
    gap: 14px;
    margin-bottom: 20px;
}

.grid-cols-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.grid-cols-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.grid-cols-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 14px;
}

.grid-cols-5 {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 14px;
}

.grid-cols-6 {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 12px;
}

/* Detail Layout Grids */
.receipt-detail-grid, .detail-layout-grid, .staff-detail-layout {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 24px;
    align-items: start;
}

.receipt-voucher-card {
    padding: 32px;
    background: #FFFFFF;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
    min-width: 0;
    box-sizing: border-box;
}

.receipt-voucher-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    border-bottom: 2px solid #F1F5F9;
    padding-bottom: 24px;
    margin-bottom: 24px;
    gap: 16px;
}

.receipt-voucher-amount-box {
    text-align: right;
    min-width: 140px;
}

.receipt-meta-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 28px;
    background: #F8FAFC;
    padding: 20px;
    border-radius: 8px;
    border: 1px solid #E2E8F0;
    min-width: 0;
}

.detail-two-col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    align-items: start;
}

@media (max-width: 900px) {
    .receipt-detail-grid, .detail-layout-grid, .staff-detail-layout, .detail-two-col {
        grid-template-columns: 1fr !important;
        gap: 16px !important;
    }
}

/* Sidebar Backdrop for Mobile */
.sidebar-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    background-color: rgba(15, 23, 42, 0.4);
    z-index: 35;
}

/* Sidebar Collapsed State (Desktop >= 992px) */
@media (min-width: 992px) {
    .sidebar-collapsed .app-sidebar {
        width: 68px;
    }
    .sidebar-collapsed .app-main {
        margin-left: 68px;
    }
    .sidebar-collapsed .brand-text {
        display: none !important;
    }
    .sidebar-collapsed .brand-full-container {
        display: none !important;
    }
    .sidebar-collapsed .brand-compact-container {
        display: flex !important;
    }
    .sidebar-collapsed .sidebar-brand {
        padding: 0 10px;
        justify-content: center;
    }
    .sidebar-collapsed .sidebar-brand .brand-left {
        justify-content: center;
        flex: none;
    }
    .sidebar-collapsed .sidebar-collapse-toggle {
        display: none;
    }
    .sidebar-collapsed .nav-section-title {
        text-indent: -9999px;
        height: 1px;
        padding: 0;
        margin: 12px 10px;
        background: var(--border-color);
        overflow: hidden;
    }
    .sidebar-collapsed .nav-item {
        justify-content: center;
        padding: 10px 0;
        gap: 0;
        position: relative;
    }
    .sidebar-collapsed .nav-item .nav-label {
        display: none;
    }
    .sidebar-collapsed .nav-item svg {
        width: 20px;
        height: 20px;
        margin: 0 auto;
    }
    .sidebar-collapsed .nav-item::after {
        content: attr(data-tooltip);
        position: absolute;
        left: calc(100% + 12px);
        top: 50%;
        transform: translateY(-50%);
        background: #0F172A;
        color: #FFFFFF;
        font-size: 12px;
        font-weight: 600;
        padding: 6px 12px;
        border-radius: 6px;
        white-space: nowrap;
        pointer-events: none;
        opacity: 0;
        visibility: hidden;
        transition: opacity 0.15s ease, visibility 0.15s ease;
        box-shadow: 0 4px 14px rgba(0, 0, 0, 0.25);
        z-index: 1000;
    }
    .sidebar-collapsed .nav-item:hover::after {
        opacity: 1;
        visibility: visible;
    }
    .sidebar-collapsed .sidebar-footer {
        padding: 12px 4px;
        text-align: center;
    }
    .sidebar-collapsed .sidebar-footer div:first-child {
        display: none;
    }
    .sidebar-collapsed .sidebar-footer div:last-child {
        font-size: 9px !important;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }
}

@media (max-width: 1023px) {
    .sidebar-collapse-toggle {
        display: none;
    }
    .app-sidebar {
        transform: translateX(-100%);
    }
    .app-sidebar.open {
        transform: translateX(0);
    }
    .app-main {
        margin-left: 0;
    }
    .sidebar-backdrop.active {
        display: block;
    }
    .content-area {
        padding: 16px;
    }
    .grid-cols-4, .grid-cols-5, .grid-cols-6 {
        grid-template-columns: repeat(3, 1fr);
    }
    .grid-cols-2, .grid-cols-3 {
        grid-template-columns: 1fr;
    }
}

/* ============================================================ */
/* MOBILE NAVIGATION, HEADER & PWA SYSTEM                       */
/* ============================================================ */

/* Prevent horizontal page overflow */
html, body {
    max-width: 100vw;
    overflow-x: hidden;
    position: relative;
}

/* Mobile Bottom Navigation (Hidden on desktop, visible on mobile <= 768px) */
.mobile-bottom-nav {
    display: none;
}

/* Mobile Search Overlay */
.mobile-search-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--bg-card);
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow-lg);
    z-index: 1005;
    padding: 10px 14px;
    animation: modalSlideUp 0.16s ease;
}
.mobile-search-overlay.active {
    display: block;
}
.mobile-search-bar {
    display: flex;
    align-items: center;
    gap: 10px;
    background: var(--bg-subtle);
    border: 1px solid var(--border-input);
    border-radius: var(--radius-sm);
    padding: 0 12px;
    height: 40px;
    color: var(--text-muted);
}
.mobile-search-bar input {
    flex: 1;
    border: none;
    background: transparent;
    color: var(--text-main);
    font-size: 13.5px;
    outline: none;
}
.mobile-search-close {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 22px;
    line-height: 1;
    cursor: pointer;
    padding: 2px 6px;
}
.mobile-search-results {
    max-height: 320px;
    overflow-y: auto;
    margin-top: 8px;
}

/* Mobile More Drawer & Backdrop */
.mobile-more-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(3px);
    -webkit-backdrop-filter: blur(3px);
    z-index: 1001;
    opacity: 0;
    transition: opacity 0.22s ease;
}
.mobile-more-backdrop.active {
    display: block;
    opacity: 1;
}

.mobile-more-drawer {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    max-height: 84vh;
    background: var(--bg-card);
    border-top: 1px solid var(--border-color);
    border-radius: 20px 20px 0 0;
    z-index: 1002;
    display: flex;
    flex-direction: column;
    transform: translateY(100%);
    transition: transform 0.28s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: 0 -12px 35px rgba(0, 0, 0, 0.3);
    padding-bottom: max(14px, env(safe-area-inset-bottom, 0px));
}
.mobile-more-drawer.active {
    transform: translateY(0);
}

.drawer-drag-handle {
    width: 36px;
    height: 4px;
    border-radius: 2px;
    background: var(--border-input);
    margin: 10px auto 4px;
    cursor: pointer;
    flex-shrink: 0;
}

.drawer-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 18px 12px;
    border-bottom: 1px solid var(--border-color);
    flex-shrink: 0;
}

.drawer-user-info {
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 0;
}

.drawer-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    overflow: hidden;
    background: var(--bg-subtle);
    border: 2px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.drawer-user-name {
    font-size: 14px;
    font-weight: 700;
    color: var(--text-main);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.drawer-user-role {
    font-size: 11.5px;
    color: var(--text-muted);
}

.drawer-close-btn {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 24px;
    line-height: 1;
    cursor: pointer;
    padding: 4px 8px;
    border-radius: var(--radius-sm);
}

.drawer-pwa-banner {
    margin: 12px 16px 0;
    padding: 10px 14px;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.1) 0%, rgba(29, 78, 216, 0.05) 100%);
    border: 1px solid rgba(37, 99, 235, 0.25);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    cursor: pointer;
    flex-shrink: 0;
}

.drawer-pwa-icon {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    background: var(--primary);
    color: #FFFFFF;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.drawer-body {
    overflow-y: auto;
    padding: 14px 16px;
    flex: 1;
}

.drawer-section-title {
    font-size: 11px;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 8px;
}

.drawer-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
    margin-bottom: 6px;
}

.drawer-menu-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 12px 6px;
    border-radius: 10px;
    background: var(--bg-subtle);
    border: 1px solid var(--border-color);
    text-decoration: none;
    color: var(--text-main);
    text-align: center;
    transition: all 0.15s ease;
    min-height: 70px;
}
.drawer-menu-item:hover, .drawer-menu-item:active {
    background: var(--bg-card-hover);
    border-color: var(--primary);
}
.drawer-menu-item.active {
    background: var(--primary-light);
    border-color: var(--primary);
    color: var(--primary);
    font-weight: 600;
}
.drawer-item-icon {
    display: flex;
    align-items: center;
    justify-content: center;
}
.drawer-item-icon svg {
    width: 20px;
    height: 20px;
}
.drawer-menu-item span {
    font-size: 11px;
    line-height: 1.2;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 100%;
}

.drawer-action-list {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.drawer-action-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 11px 12px;
    border-radius: 8px;
    background: var(--bg-subtle);
    border: 1px solid var(--border-color);
    text-decoration: none;
    color: var(--text-main);
    font-size: 13px;
    font-weight: 500;
}
.drawer-action-row:hover, .drawer-action-row:active {
    background: var(--bg-card-hover);
}

/* ============================================================ */
/* MEDIA QUERY: MOBILE DEVICES (<= 768px)                       */
/* ============================================================ */
@media (max-width: 768px) {
    /* Hide desktop-only elements */
    #sidebarToggleBtn {
        display: none !important;
    }
    .header-search {
        display: none !important;
    }
    .profile-meta-box {
        display: none !important;
    }

    /* Show mobile-optimized header elements */
    .mobile-header-brand {
        display: flex !important;
    }
    .btn-mobile-search-toggle {
        display: inline-flex !important;
    }

    /* Compact Header height & padding */
    .app-header {
        height: 52px;
        padding: 0 12px;
    }

    /* Content Area padding adjustment for Bottom Nav */
    .content-area {
        padding: 12px 12px calc(72px + env(safe-area-inset-bottom, 0px)) 12px !important;
    }

    /* Show Mobile Bottom Navigation Bar */
    .mobile-bottom-nav {
        display: flex;
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        height: calc(56px + env(safe-area-inset-bottom, 0px));
        padding-bottom: env(safe-area-inset-bottom, 0px);
        background-color: var(--bg-header);
        border-top: 1px solid var(--border-color);
        z-index: 1000;
        align-items: center;
        justify-content: space-around;
        box-shadow: 0 -3px 12px rgba(0, 0, 0, 0.07);
    }

    .mobile-nav-tab {
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        flex: 1;
        height: 54px;
        min-width: 44px;
        color: var(--text-muted);
        text-decoration: none;
        gap: 3px;
        transition: all 0.15s ease;
        border: none;
        background: transparent;
        cursor: pointer;
        padding: 4px 0;
        -webkit-tap-highlight-color: transparent;
    }

    .mobile-nav-tab.active {
        color: var(--primary);
    }

    .mobile-nav-icon {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 24px;
        height: 24px;
    }

    .mobile-nav-icon svg {
        width: 20px;
        height: 20px;
        stroke: currentColor;
        stroke-width: 2;
    }

    .mobile-nav-tab.active .mobile-nav-icon svg {
        stroke-width: 2.3;
    }

    .mobile-nav-label {
        font-size: 10px;
        font-weight: 600;
        letter-spacing: -0.01em;
        white-space: nowrap;
    }

    /* Mobile KPI Rule: 2 cards per row on standard phone */
    .grid-metrics, .kpi-grid, .grid-cols-4, .grid-cols-5, .grid-cols-6 {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 10px !important;
    }

    /* Header Dropdowns stay within viewport */
    #themeDropdownMenu, #notifDropdown, .header-profile-dropdown {
        right: 4px !important;
        left: auto !important;
        max-width: calc(100vw - 12px) !important;
    }

    /* Filter Bar Stacking */
    .filter-bar {
        padding: 10px;
        gap: 8px;
    }
    .filter-group {
        width: 100%;
        flex-direction: column;
        align-items: stretch;
    }
    .filter-input, .filter-select {
        width: 100%;
    }
    .filter-actions {
        width: 100%;
        justify-content: flex-end;
    }

    /* Universal Responsive Grid Collapses for Mobile */
    .form-row, .grid-cols-2, .grid-cols-3,
    .detail-layout-grid, .receipt-detail-grid,
    [style*="grid-template-columns: 2fr 1fr"],
    [style*="grid-template-columns:2fr 1fr"],
    [style*="grid-template-columns: 1fr 2fr"],
    [style*="grid-template-columns:1fr 2fr"],
    [style*="grid-template-columns: 3fr 1fr"],
    [style*="grid-template-columns:3fr 1fr"],
    [style*="grid-template-columns: 1fr 3fr"],
    [style*="grid-template-columns:1fr 3fr"],
    [style*="grid-template-columns: 340px 1fr"],
    [style*="grid-template-columns:340px 1fr"],
    [style*="grid-template-columns: 1fr 1fr 1fr"],
    [style*="grid-template-columns:1fr 1fr 1fr"],
    [style*="grid-template-columns: 2fr 1fr 1.5fr"],
    [style*="grid-template-columns:2fr 1fr 1.5fr"],
    [style*="grid-template-columns: repeat(4, 1fr)"],
    [style*="grid-template-columns:repeat(4, 1fr)"],
    [style*="grid-template-columns: 1fr 1fr"], 
    [style*="grid-template-columns:1fr 1fr"],
    [style*="grid-template-columns: 1.2fr 2fr 1.2fr 1.2fr 1.5fr"],
    [style*="grid-template-columns:1.2fr 2fr 1.2fr 1.2fr 1.5fr"] {
        grid-template-columns: 1fr !important;
        gap: 14px !important;
    }

    /* Prevent phantom columns from grid-column span on 1-column mobile grids */
    [style*="grid-column: span 2"],
    [style*="grid-column:span 2"],
    [style*="grid-column: span 3"],
    [style*="grid-column:span 3"],
    [style*="grid-column: span 4"],
    [style*="grid-column:span 4"] {
        grid-column: span 1 !important;
    }

    /* Card & Container Mobile Safety */
    .card, .receipt-voucher-card {
        min-width: 0 !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
    }
    .card[style*="padding: 32px"], .receipt-voucher-card[style*="padding: 32px"] {
        padding: 16px !important;
    }
    .card[style*="padding: 24px"], .card[style*="padding: 20px"] {
        padding: 14px !important;
    }

    /* Receipt Detail Mobile Adaptations */
    .receipt-voucher-header {
        flex-direction: column !important;
        align-items: stretch !important;
        gap: 14px !important;
    }
    .receipt-voucher-amount-box {
        text-align: left !important;
    }
    .receipt-meta-grid {
        grid-template-columns: 1fr !important;
        padding: 14px !important;
        gap: 14px !important;
    }
    .receipt-signatures {
        flex-direction: column !important;
        align-items: stretch !important;
        gap: 20px !important;
    }
    .receipt-signatures > div {
        max-width: 100% !important;
        width: 100% !important;
    }

    /* Mobile View: Hide page-level title and description to maximize screen space */
    .page-header:not(.page-header-detail) .page-title,
    .page-header:not(.page-header-detail) .page-subtitle,
    .page-header:not(.page-header-detail) > div:first-child:not(.page-actions),
    .page-header-module .page-title,
    .page-header-module > div:first-child:not(.page-actions) {
        display: none !important;
        margin: 0 !important;
        padding: 0 !important;
        height: 0 !important;
        overflow: hidden !important;
    }

    /* If page-header has no action buttons on mobile, hide the entire container (no blank space) */
    .page-header:not(.page-header-detail):not(:has(.page-actions:not(:empty))) {
        display: none !important;
        margin: 0 !important;
        padding: 0 !important;
        height: 0 !important;
    }

    /* When page-header has page-actions on mobile, render it cleanly as an action bar */
    .page-header:not(.page-header-detail) {
        flex-direction: column !important;
        align-items: stretch !important;
        gap: 0 !important;
        margin-bottom: 12px !important;
    }
    .page-header:not(.page-header-detail) .page-actions {
        width: 100% !important;
        flex-wrap: wrap !important;
        gap: 8px !important;
        margin: 0 !important;
    }
    .page-header:not(.page-header-detail) .page-actions .btn {
        flex: 1 1 auto;
        justify-content: center;
    }

    /* Detail page headers on mobile: preserve breadcrumb and record name */
    .page-header.page-header-detail {
        flex-direction: column !important;
        align-items: flex-start !important;
        gap: 8px !important;
        margin-bottom: 14px !important;
    }
    .page-header.page-header-detail .page-title {
        display: block !important;
        font-size: 18px !important;
        margin: 2px 0 0 0 !important;
    }
    .page-header.page-header-detail .page-actions {
        width: 100% !important;
        flex-wrap: wrap !important;
        gap: 8px !important;
    }
    .page-header.page-header-detail .page-actions .btn {
        flex: 1 1 auto;
        justify-content: center;
    }

    /* Profile page layout */
    .profile-layout-grid {
        grid-template-columns: 1fr !important;
        gap: 16px !important;
    }
}

/* ============================================================ */
/* MEDIA QUERY: SMALL MOBILE (320px to 374px)                   */
/* ============================================================ */
@media (max-width: 374px) {
    .grid-metrics, .kpi-grid, .grid-cols-4, .grid-cols-5, .grid-cols-6 {
        grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
        gap: 8px !important;
    }
    .drawer-grid {
        grid-template-columns: repeat(2, 1fr) !important;
    }
    .mobile-page-title {
        max-width: 110px !important;
    }
}

/* ============================================================ */
/* GLOBAL SCROLLBAR SYSTEM                                      */
/* ============================================================ */
* {
    scrollbar-width: thin;
    scrollbar-color: var(--scrollbar-thumb) var(--scrollbar-track);
}

::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--scrollbar-track);
}

::-webkit-scrollbar-thumb {
    background: var(--scrollbar-thumb);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--scrollbar-thumb-hover);
}

/* ============================================================ */
/* GLOBAL SURFACE TRANSITIONS (150-250ms)                      */
/* ============================================================ */
body, .app-sidebar, .app-header, .card, .kpi-card, .metric-card,
.modal-content, .modal-dialog, .form-control, .form-select, .form-textarea,
.filter-bar, .header-search input, .header-profile-dropdown,
.search-results-dropdown, #notifDropdown, .status-tabs-wrapper,
.filter-tabs-wrapper, .finance-nav-bar, .data-table, .table {
    transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

/* ============================================================ */
/* DARK THEME GLOBAL COMPATIBILITY OVERRIDES                   */
/* ============================================================ */
[data-theme="dark"] [style*="background: #fff"],
[data-theme="dark"] [style*="background:#fff"],
[data-theme="dark"] [style*="background: #FFFFFF"],
[data-theme="dark"] [style*="background:#FFFFFF"],
[data-theme="dark"] [style*="background: white"],
[data-theme="dark"] [style*="background-color: #fff"],
[data-theme="dark"] [style*="background-color:#fff"],
[data-theme="dark"] [style*="background-color: #FFFFFF"],
[data-theme="dark"] [style*="background-color:#FFFFFF"] {
    background-color: var(--bg-card) !important;
    color: var(--text-main);
}

[data-theme="dark"] [style*="background: #F8FAFC"],
[data-theme="dark"] [style*="background:#F8FAFC"],
[data-theme="dark"] [style*="background-color: #F8FAFC"],
[data-theme="dark"] [style*="background-color:#F8FAFC"],
[data-theme="dark"] [style*="background: #FAFBFD"],
[data-theme="dark"] [style*="background: #F7F8FA"],
[data-theme="dark"] [style*="background-color: #F7F8FA"],
[data-theme="dark"] [style*="background: #F1F5F9"],
[data-theme="dark"] [style*="background-color: #F1F5F9"] {
    background-color: var(--bg-subtle) !important;
    color: var(--text-main);
}

[data-theme="dark"] [style*="color: #0F172A"],
[data-theme="dark"] [style*="color: #1E293B"],
[data-theme="dark"] [style*="color: #172033"],
[data-theme="dark"] [style*="color: #334155"] {
    color: var(--text-main) !important;
}

[data-theme="dark"] [style*="color: #64748B"],
[data-theme="dark"] [style*="color: #475569"] {
    color: var(--text-muted) !important;
}

[data-theme="dark"] [style*="border-color: #E2E8F0"],
[data-theme="dark"] [style*="border-color: #CBD5E1"],
[data-theme="dark"] [style*="border-color: #E5E7EB"],
[data-theme="dark"] [style*="border: 1px solid #E2E8F0"],
[data-theme="dark"] [style*="border: 1px solid #CBD5E1"],
[data-theme="dark"] [style*="border: 1px solid #E5E7EB"],
[data-theme="dark"] [style*="border-bottom: 1px solid #E2E8F0"],
[data-theme="dark"] [style*="border-top: 1px solid #E2E8F0"],
[data-theme="dark"] [style*="border-bottom: 1px solid #F1F5F9"] {
    border-color: var(--border-color) !important;
}

/* Semantic Pastel Icons in Dark Mode */
[data-theme="dark"] .icon-blue    { background-color: rgba(59, 130, 246, 0.18) !important; color: #60A5FA !important; }
[data-theme="dark"] .icon-green   { background-color: rgba(34, 197, 94, 0.18) !important; color: #4ADE80 !important; }
[data-theme="dark"] .icon-emerald { background-color: rgba(34, 197, 94, 0.18) !important; color: #4ADE80 !important; }
[data-theme="dark"] .icon-purple  { background-color: rgba(168, 85, 247, 0.18) !important; color: #C084FC !important; }
[data-theme="dark"] .icon-orange  { background-color: rgba(245, 158, 11, 0.18) !important; color: #FBBF24 !important; }
[data-theme="dark"] .icon-amber   { background-color: rgba(245, 158, 11, 0.18) !important; color: #FBBF24 !important; }
[data-theme="dark"] .icon-red     { background-color: rgba(239, 68, 68, 0.18) !important; color: #F87171 !important; }
[data-theme="dark"] .icon-rose    { background-color: rgba(239, 68, 68, 0.18) !important; color: #F87171 !important; }
[data-theme="dark"] .icon-teal    { background-color: rgba(20, 184, 166, 0.18) !important; color: #2DD4BF !important; }
[data-theme="dark"] .icon-gray    { background-color: rgba(148, 163, 184, 0.18) !important; color: #94A3B8 !important; }
[data-theme="dark"] .icon-indigo  { background-color: rgba(99, 102, 241, 0.18) !important; color: #818CF8 !important; }

/* Keep Email Iframe Canvas Clean */
#previewIframe, .email-preview-frame {
    background: #FFFFFF !important;
}

/* ============================================================ */
/* PRINT PROTECTION (Strictly Light & Paper Optimized)          */
/* ============================================================ */
@media print {
    :root, [data-theme="dark"] {
        --bg-page: #FFFFFF !important;
        --bg-card: #FFFFFF !important;
        --text-main: #000000 !important;
        --text-muted: #444444 !important;
        --text-subtle: #777777 !important;
        --border-color: #E2E8F0 !important;
        --border-subtle: #EEEEEE !important;
        color-scheme: light !important;
    }
    body {
        background-color: #FFFFFF !important;
        color: #000000 !important;
    }
    .app-sidebar, .app-header, .sidebar-backdrop, .btn-theme-toggle {
        display: none !important;
    }
    .app-main {
        margin-left: 0 !important;
    }
}