/**
 * BIMCheck product shell
 * Shared workflow navigation, export actions and visual normalization.
 */
:root {
    --primary: #d92d3a;
    --primary-dark: #ad1f2b;
    --secondary: #172437;
    --secondary-light: #263b55;
    --accent: #177e89;
    --success: #287a52;
    --warning: #b76418;
    --error: #b4232e;
    --gray-50: #f7f8fa;
    --gray-100: #eef1f4;
    --gray-200: #dce1e7;
    --gray-300: #c7ced7;
    --gray-500: #6b7582;
    --gray-600: #535e6c;
    --gray-700: #394553;
    --gray-800: #26313e;
    --gray-900: #151d27;
    --light: #f4f6f7;
    --dark: #111923;
    --radius-lg: 8px;
    --radius-xl: 8px;
    --shadow-md: 0 8px 24px rgba(20, 31, 45, .08);
    --shadow-lg: 0 18px 45px rgba(20, 31, 45, .14);
}

body {
    background: #eef1f3;
    min-height: 100dvh;
    padding-bottom: env(safe-area-inset-bottom);
}

.header {
    height: 58px;
    padding: 0 18px;
    background: #fff;
    border-bottom: 1px solid #d8dee5;
    box-shadow: none;
}

.header .logo {
    color: var(--secondary) !important;
    letter-spacing: 0;
}

.header .logo-swiss {
    border-radius: 2px;
    background: var(--primary);
}

.header-actions {
    gap: 8px;
}

.header-product-action {
    width: 40px;
    height: 40px;
    padding: 0;
    border: 1px solid var(--gray-200);
    border-radius: 8px;
    background: #fff;
    color: var(--secondary);
    cursor: pointer;
    transition: border-color .15s ease, background .15s ease, box-shadow .15s ease;
}

.header-product-action:hover {
    border-color: var(--secondary);
    background: var(--gray-50);
    box-shadow: 0 4px 12px rgba(23, 36, 55, .08);
}

.header-product-action:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

.header-pwa-status[data-mode="update"] {
    border-color: #177e89;
    background: #eef7f7;
    color: #105d65;
}

.header-pwa-status[data-mode="offline"] {
    width: auto;
    padding-inline: 7px;
    border-color: #d7a36e;
    background: #fff6ec;
    color: #8b4b12;
    font: 800 9px var(--font-display);
}

.mobile-sidebar-toggle {
    display: none;
}

.sidebar-backdrop {
    position: fixed;
    inset: 0;
    z-index: 490;
    display: none;
    border: 0;
    background: rgba(10, 18, 27, .45);
    backdrop-filter: blur(2px);
}

.sidebar-backdrop.open {
    display: block;
}

.main {
    min-height: calc(100vh - 58px);
}

.sidebar {
    top: 58px;
    height: calc(100vh - 58px);
    width: 294px;
    padding: 16px;
    border-color: #d8dee5;
}

.content {
    padding: 0 18px 24px;
    min-width: 0;
}

.upload-zone {
    padding: 22px 14px;
    border-radius: 10px;
    background: linear-gradient(180deg, #fff 0%, #f6f8fa 100%);
    border: 1.5px dashed #b8c2cd;
    cursor: pointer;
    transition: border-color .18s ease, background .18s ease, box-shadow .18s ease;
}

.upload-zone:hover {
    transform: none;
    border-color: var(--primary);
    background: #fff8f8;
    box-shadow: 0 10px 28px -18px rgba(217, 45, 58, .55);
}

.upload-zone:focus-within {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(217, 45, 58, .15);
}

.nav-main {
    position: sticky;
    top: 0;
    z-index: 190;
    display: flex;
    flex-wrap: nowrap;
    align-items: stretch;
    gap: 2px;
    margin: 0 -18px;
    padding: 8px 18px 0;
    min-height: 54px;
    overflow: visible;
    background: #fff;
    border-bottom: 1px solid #d8dee5;
    box-shadow: none;
}

.nav-main .nav-tab,
.nav-main .nav-group-btn {
    min-height: 44px;
    padding: 7px 11px;
    border: 0;
    border-bottom: 3px solid transparent;
    border-radius: 4px 4px 0 0;
    background: transparent;
    color: var(--gray-600);
    font-size: .78rem;
    font-weight: 700;
}

.nav-main .nav-tab:hover,
.nav-main .nav-group-btn:hover {
    background: var(--gray-50);
    color: var(--secondary);
}

.nav-main .nav-tab.active,
.nav-main .nav-group-btn.active {
    border-bottom-color: var(--primary);
    background: #fff;
    color: var(--secondary);
}

.nav-main .nav-icon {
    width: 18px;
    height: 18px;
}

.nav-main .nav-icon svg {
    width: 18px;
    height: 18px;
}

.nav-group {
    position: relative;
}

.nav-dropdown {
    top: calc(100% - 1px);
    min-width: 310px;
    padding: 7px;
    border: 1px solid #d8dee5;
    border-radius: 6px;
    box-shadow: var(--shadow-lg);
}

.nav-dropdown-item {
    min-height: 52px;
    padding: 8px;
    border-radius: 4px;
}

.nav-dropdown-item:hover {
    transform: none;
}

.nav-group:hover .nav-dropdown,
.nav-group.open .nav-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.workflow-context {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 16px;
    margin: 14px 0;
    padding: 11px 14px;
    background: #172437;
    color: #fff;
    border-left: 4px solid var(--primary);
}

.workflow-context-copy {
    min-width: 0;
}

.workflow-subnav {
    grid-column: 1 / -1;
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.workflow-subnav[hidden] {
    display: none;
}

.workflow-subtab {
    min-height: 36px;
    padding: 6px 10px;
    border: 1px solid rgba(255, 255, 255, .22);
    border-radius: 999px;
    background: transparent;
    color: #dbe4ee;
    font-size: .72rem;
    font-weight: 700;
    cursor: pointer;
}

.workflow-subtab:hover,
.workflow-subtab.active {
    background: #fff;
    color: var(--secondary);
    border-color: #fff;
}

.workflow-context-eyebrow {
    display: block;
    margin-bottom: 2px;
    color: #aeb9c6;
    font-size: .68rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .06em;
}

.workflow-context strong {
    display: block;
    overflow: hidden;
    color: #fff;
    font-size: .91rem;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.workflow-next {
    min-height: 40px;
    padding: 8px 14px;
    border: 1px solid transparent;
    border-radius: 6px;
    background: var(--primary);
    color: #fff;
    font-weight: 800;
    letter-spacing: 0.01em;
    cursor: pointer;
    box-shadow: 0 10px 22px -14px rgba(217, 45, 58, .9);
    transition: background .18s ease, transform .18s ease, box-shadow .18s ease;
}

.workflow-next:hover {
    background: var(--primary-dark);
    color: #fff;
    transform: translateY(-1px);
    box-shadow: 0 14px 28px -12px rgba(217, 45, 58, .95);
}

.workflow-next:focus-visible {
    outline: 2px solid #fff;
    outline-offset: 2px;
}

.tab-content {
    max-width: 1600px;
    margin-inline: auto;
}

.tab-content > div:first-child h1,
.tab-content > div:first-child h2 {
    letter-spacing: 0;
}

.card,
.table-container,
.settings-section,
.stat-card,
.dashboard-card {
    border-radius: 6px;
    box-shadow: none;
    border: 1px solid var(--gray-200);
}

.btn,
button {
    letter-spacing: 0;
}

.btn {
    min-height: 40px;
    border-radius: 8px;
    box-shadow: none;
    font-weight: 700;
    transition: background .15s ease, border-color .15s ease, color .15s ease, box-shadow .15s ease;
}

.btn:hover:not(:disabled) {
    transform: none;
}

.btn:focus-visible,
button:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

.btn-primary,
button.btn-primary {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
    box-shadow: 0 8px 20px -12px rgba(217, 45, 58, .85);
}

.btn-primary:hover:not(:disabled),
button.btn-primary:hover:not(:disabled) {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
}

/* Toast must never look like a permanent FAB */
.toast {
    pointer-events: auto;
}

.toast:not(.visible) {
    visibility: hidden;
}

.bim-export-action {
    min-height: 34px !important;
    border: 1px solid #c8d0da !important;
    border-radius: 5px !important;
    background: #fff !important;
    color: var(--secondary) !important;
    box-shadow: none !important;
    font-weight: 700 !important;
}

.bim-export-action:hover:not(:disabled) {
    border-color: var(--accent) !important;
    background: #eef7f7 !important;
    color: #105d65 !important;
}

.export-section {
    border-top: 1px solid var(--gray-200);
    padding-top: 14px;
}

.export-section > .btn:first-of-type {
    width: 100%;
}

.export-center-backdrop {
    position: fixed;
    inset: 0;
    z-index: 800;
    display: none;
    align-items: flex-start;
    justify-content: flex-end;
    background: rgba(12, 19, 28, .42);
}

.export-center-backdrop.open {
    display: flex;
}

.export-center {
    width: min(430px, 100vw);
    height: 100vh;
    padding: 22px;
    overflow-y: auto;
    background: #fff;
    border-left: 1px solid var(--gray-200);
    box-shadow: var(--shadow-lg);
}

.export-center-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
    padding-bottom: 18px;
    border-bottom: 1px solid var(--gray-200);
}

.export-center-header h2 {
    margin: 0 0 4px;
    font-size: 1.25rem;
}

.export-center-header p {
    margin: 0;
    color: var(--gray-600);
    font-size: .82rem;
}

.export-center-close {
    width: 34px;
    height: 34px;
    border: 1px solid var(--gray-200);
    border-radius: 4px;
    background: #fff;
    color: var(--secondary);
    cursor: pointer;
}

.export-center-section {
    padding: 18px 0;
    border-bottom: 1px solid var(--gray-200);
}

.export-center-section h3 {
    margin: 0 0 10px;
    color: var(--gray-600);
    font: 700 .7rem var(--font-body);
    text-transform: uppercase;
    letter-spacing: .06em;
}

.export-center-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}

.export-center-item {
    display: grid;
    grid-template-columns: 32px minmax(0, 1fr);
    align-items: center;
    gap: 9px;
    min-height: 62px;
    padding: 9px;
    text-align: left;
    border: 1px solid var(--gray-200);
    border-radius: 5px;
    background: #fff;
    color: var(--secondary);
    cursor: pointer;
}

.export-center-item:hover {
    border-color: var(--accent);
    background: #f2f8f8;
}

.export-center-item strong,
.export-center-item small {
    display: block;
}

.export-center-item small {
    margin-top: 2px;
    color: var(--gray-600);
    font-size: .68rem;
}

.export-center-icon {
    display: grid;
    place-items: center;
    width: 32px;
    height: 32px;
    border-radius: 4px;
    background: var(--secondary);
    color: #fff;
    font-size: .72rem;
    font-weight: 800;
}

@media (max-width: 1180px) {
    .nav-main {
        overflow-x: auto;
        overflow-y: hidden;
    }

    .nav-main .nav-tab,
    .nav-main .nav-group {
        flex: 0 0 auto;
    }
}

@media (max-width: 1100px) {
    .header {
        position: sticky;
        top: 0;
        z-index: 600;
        gap: 8px;
        height: calc(56px + env(safe-area-inset-top));
        padding: env(safe-area-inset-top) max(10px, env(safe-area-inset-right)) 0 max(10px, env(safe-area-inset-left));
    }

    .header-actions {
        position: absolute !important;
        top: calc(11px + env(safe-area-inset-top)) !important;
        right: max(10px, env(safe-area-inset-right)) !important;
        left: auto !important;
        width: auto !important;
        flex-wrap: nowrap !important;
        gap: 4px;
        z-index: 2;
    }

    .header .language-selector {
        display: none;
    }

    .header .access-badge {
        display: none;
    }

    .header-product-action {
        width: 32px;
        height: 32px;
    }

    .mobile-sidebar-toggle {
        display: inline-grid;
        place-items: center;
    }

    .sidebar {
        position: fixed !important;
        z-index: 500;
        top: calc(56px + env(safe-area-inset-top)) !important;
        left: 0;
        width: min(320px, 88vw) !important;
        height: calc(100dvh - 56px - env(safe-area-inset-top)) !important;
        padding-bottom: max(16px, env(safe-area-inset-bottom)) !important;
        overflow-y: auto !important;
        transform: translateX(-105%);
        transition: transform 180ms ease;
        box-shadow: var(--shadow-lg);
    }

    .sidebar.open {
        transform: translateX(0);
    }

    .content {
        width: 100%;
        padding: 0 max(12px, env(safe-area-inset-right)) max(18px, env(safe-area-inset-bottom)) max(12px, env(safe-area-inset-left));
    }

    .nav-main {
        top: 0;
        margin-inline: -12px;
        padding-inline: 12px;
        min-height: 52px;
        scroll-snap-type: x proximity;
        /* Keep a thin affordance: users must discover more workflow groups */
        scrollbar-width: thin;
        -webkit-overflow-scrolling: touch;
        overscroll-behavior-x: contain;
        mask-image: linear-gradient(90deg, #000 0, #000 calc(100% - 28px), transparent 100%);
    }

    .nav-main::-webkit-scrollbar {
        height: 3px;
    }

    .nav-main::-webkit-scrollbar-thumb {
        background: rgba(29, 53, 87, .28);
        border-radius: 99px;
    }

    .nav-main .nav-tab,
    .nav-main .nav-group {
        scroll-snap-align: start;
    }

    .nav-dropdown {
        position: fixed;
        top: calc(108px + env(safe-area-inset-top));
        right: 10px;
        left: 10px;
        width: auto;
        max-width: none;
    }

    .workflow-context {
        grid-template-columns: minmax(0, 1fr) auto;
        gap: 8px;
        margin: 8px 0;
        padding: 9px 10px;
    }

    .workflow-next {
        justify-self: end;
        max-width: 220px;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    .tab-content {
        max-width: 100%;
    }

    .table-container,
    .table-wrapper,
    .settings-section,
    .card {
        max-width: 100%;
        overflow-x: auto;
    }

    .export-center {
        height: 100dvh;
        padding-bottom: max(22px, env(safe-area-inset-bottom));
    }
}

@media (max-width: 700px) {
    .header .logo {
        max-width: calc(100% - 118px);
        overflow: hidden;
        font-size: 1rem;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    .header-product-action {
        width: 34px;
        height: 34px;
    }

    .nav-main {
        padding-top: 4px;
    }

    .nav-main .nav-tab,
    .nav-main .nav-group-btn {
        min-height: 42px;
        padding-inline: 9px;
    }

    .workflow-context-eyebrow {
        display: none;
    }

    .workflow-context strong {
        font-size: .82rem;
        white-space: normal;
    }

    .workflow-next {
        max-width: 132px;
        min-height: 36px;
        font-size: .72rem;
    }

    .export-center {
        width: 100vw;
    }

    .export-center-grid {
        grid-template-columns: 1fr;
    }

    .btn,
    button,
    input,
    select {
        min-height: 40px;
    }

    .viewer3d-btn,
    .viewer-command-btn,
    .viewer-orientation-actions button {
        min-height: 0;
    }
}

/* BIMCheck Consulting app skin — soft light edition.
   The marketing site keeps the strong dark/cyan identity; the app uses the same
   accents on a pale blue workspace to reduce eye strain during long audits. */
:root {
    --bc-bg: #f6fbff;
    --bc-bg-2: #eef7ff;
    --bc-panel: #ffffff;
    --bc-panel-2: #f8fcff;
    --bc-border: #d8e8f2;
    --bc-border-cyan: #b9dfec;
    --bc-text: #172437;
    --bc-muted: #5e7185;
    --bc-cyan: #0891b2;
    --bc-blue: #2563eb;
    --bc-action: #0fafa4;
    --bc-action-dark: #0f766e;
    --bc-action-soft: rgba(15, 175, 164, .11);
    --bc-danger: #be123c;
    --bc-danger-dark: #9f1239;
    --bc-red: var(--bc-danger);
    --bc-red-dark: var(--bc-danger-dark);
    --bc-green: #12805c;
    --bc-amber: #b7791f;
    --bc-grad: linear-gradient(135deg, #0fafa4, #2f80ed);
    --primary: var(--bc-action);
    --primary-dark: var(--bc-action-dark);
    --secondary: #172437;
    --secondary-light: #e9f4fb;
    --accent: var(--bc-cyan);
    --success: var(--bc-green);
    --warning: var(--bc-amber);
    --error: var(--bc-danger);
    --gray-50: #f8fcff;
    --gray-100: #eef7ff;
    --gray-200: #d8e8f2;
    --gray-300: #bfd2df;
    --gray-500: #6b7d8d;
    --gray-600: #526577;
    --gray-700: #344458;
    --gray-800: #243244;
    --gray-900: #172437;
    --sky-50: #f6fbff;
    --sky-100: #eef7ff;
    --sky-200: #dff1fb;
    --sky-300: #c6e5f3;
    --sky-surface: rgba(255, 255, 255, .92);
    --sky-surface-soft: rgba(248, 252, 255, .86);
    --sky-border: var(--bc-border);
    --text: var(--bc-text);
    --dark: var(--bc-text);
    --light: var(--bc-bg);
    --white: #ffffff;
    --shadow-md: 0 12px 32px rgba(23, 36, 55, .08);
    --shadow-lg: 0 24px 60px rgba(23, 36, 55, .12);
}

html {
    background: var(--bc-bg);
}

body {
    color: var(--bc-text);
    background:
        radial-gradient(820px 420px at 86% 0%, rgba(47, 128, 237, .10), transparent 64%),
        radial-gradient(680px 360px at 4% 8%, rgba(15, 175, 164, .10), transparent 68%),
        linear-gradient(180deg, #f8fdff 0%, var(--bc-bg) 42%, var(--bc-bg-2) 100%) !important;
}

body::before {
    opacity: .28;
    background:
        linear-gradient(rgba(8, 145, 178, .055) 1px, transparent 0),
        linear-gradient(90deg, rgba(8, 145, 178, .045) 1px, transparent 0);
    background-size: 32px 32px;
    mask-image: linear-gradient(180deg, #000, transparent 72%);
}

.header {
    background: rgba(255, 255, 255, .88) !important;
    border-bottom: 1px solid var(--bc-border) !important;
    color: var(--bc-text);
    box-shadow: 0 10px 30px -28px rgba(23, 36, 55, .45);
}

.header .logo {
    color: var(--bc-text) !important;
}

.header .logo::after {
    color: var(--bc-muted);
}

.header-product-action,
.language-selector,
.access-badge {
    border-color: var(--bc-border) !important;
    background: rgba(255, 255, 255, .78) !important;
    color: var(--bc-text) !important;
}

.header-product-action:hover,
.language-selector:hover {
    border-color: var(--bc-border-cyan) !important;
    background: #effaff !important;
    color: var(--bc-cyan) !important;
}

.sidebar {
    background: rgba(246, 251, 255, .82) !important;
    border-right: 1px solid var(--bc-border) !important;
    backdrop-filter: blur(16px);
}

.upload-zone,
.multifile-manager,
.stats-section,
.ifc-metadata-section,
.export-section,
.file-info {
    background: rgba(255, 255, 255, .78) !important;
    border: 1px solid var(--bc-border) !important;
    color: var(--bc-text);
    box-shadow: 0 16px 40px -34px rgba(23, 36, 55, .36) !important;
}

.upload-zone::before {
    background:
        linear-gradient(rgba(8, 145, 178, .045) 1px, transparent 0),
        linear-gradient(90deg, rgba(8, 145, 178, .04) 1px, transparent 0);
}

.upload-zone:hover {
    border-color: var(--bc-border-cyan) !important;
    background: #ffffff !important;
    box-shadow: 0 20px 46px -34px rgba(8, 145, 178, .40) !important;
}

.upload-zone h3,
.multifile-header h4,
.stats-section h3,
.ifc-metadata-section h3,
.export-section h3,
.stat-label,
.metadata-row span:first-child,
.progress-text,
.multifile-empty,
.file-info p,
.export-section p {
    color: var(--bc-muted) !important;
}

.upload-zone h3,
.file-info h4 {
    color: var(--bc-text) !important;
}

.content {
    background: linear-gradient(180deg, rgba(255, 255, 255, .44), rgba(238, 247, 255, .18));
    padding: 0 18px 32px;
}

.nav-main {
    background: rgba(255, 255, 255, .84) !important;
    border: 1px solid var(--bc-border) !important;
    box-shadow: 0 18px 50px -42px rgba(23, 36, 55, .42);
}

.nav-main .nav-tab,
.nav-main .nav-group-btn {
    color: var(--bc-muted);
}

.nav-main .nav-group-btn::before {
    border-color: var(--bc-border);
    background: #f8fcff;
    color: var(--bc-muted);
}

.nav-main .nav-tab:hover,
.nav-main .nav-group-btn:hover,
.nav-main .nav-tab.active,
.nav-main .nav-group-btn.active {
    background: rgba(8, 145, 178, .065) !important;
    color: var(--bc-text);
}

.nav-main .nav-tab.active,
.nav-main .nav-group-btn.active {
    border-bottom-color: var(--bc-action);
}

.nav-main .nav-group-btn.active::before {
    border-color: rgba(15, 175, 164, .42);
    background: rgba(15, 175, 164, .12);
    color: var(--bc-action-dark);
}

.nav-dropdown {
    background: rgba(255, 255, 255, .98) !important;
    border-color: var(--bc-border-cyan) !important;
    box-shadow: 0 26px 72px -44px rgba(23, 36, 55, .38);
}

.nav-dropdown-item {
    color: var(--bc-text);
}

.nav-dropdown-item:hover,
.nav-dropdown-item.active {
    background: rgba(8, 145, 178, .075) !important;
}

.workflow-context {
    background:
        radial-gradient(720px 180px at 100% 0, rgba(47, 128, 237, .08), transparent 64%),
        linear-gradient(145deg, rgba(255, 255, 255, .94), rgba(241, 249, 255, .86)) !important;
    border: 1px solid var(--bc-border-cyan);
    border-left: 4px solid var(--bc-action);
    box-shadow: 0 18px 46px -38px rgba(23, 36, 55, .44);
}

.workflow-context-eyebrow {
    color: var(--bc-cyan);
}

.workflow-context strong {
    color: var(--bc-text);
}

.workflow-next,
.btn-primary,
button.btn-primary,
.welcome-primary-cta {
    color: #fff !important;
    background: var(--bc-grad) !important;
    border-color: rgba(8, 145, 178, .24) !important;
    box-shadow: 0 14px 34px -22px rgba(47, 128, 237, .50) !important;
}

.workflow-next:hover,
.btn-primary:hover:not(:disabled),
button.btn-primary:hover:not(:disabled),
.welcome-primary-cta:hover {
    background: linear-gradient(135deg, var(--bc-action-dark), #1d4ed8) !important;
}

.btn-secondary,
.btn-outline,
.btn-export-html,
.bim-export-action {
    border-color: var(--bc-border-cyan) !important;
    background: rgba(255, 255, 255, .82) !important;
    color: var(--bc-cyan) !important;
}

.btn-secondary:hover,
.btn-outline:hover,
.btn-export-html:hover,
.bim-export-action:hover:not(:disabled) {
    background: #effaff !important;
    color: var(--bc-text) !important;
}

.dashboard-welcome,
.table-container,
.settings-section,
.card,
.stat-card,
.dashboard-card,
.chart-card,
.kpi-card,
.tab-empty-state,
.export-center,
.export-center-item {
    background: rgba(255, 255, 255, .82) !important;
    border: 1px solid var(--bc-border) !important;
    color: var(--bc-text);
    box-shadow: 0 18px 48px -40px rgba(23, 36, 55, .40) !important;
}

#tab-ifc-conformance > div:first-child {
    border: 1px solid var(--bc-border);
    background:
        radial-gradient(900px 260px at 92% 0, rgba(47, 128, 237, .08), transparent 66%),
        linear-gradient(145deg, rgba(255, 255, 255, .92), rgba(244, 251, 255, .76));
}

#tab-ifc-conformance h2,
#tab-ifc-conformance h3,
#tab-ifc-conformance strong,
.dashboard-welcome h2,
.table-header h2,
.chart-card h3,
.settings-section h3,
.kpi-label,
.stat-value,
.export-center-header h2,
.export-center-item strong {
    color: var(--bc-text) !important;
}

#tab-ifc-conformance p,
#tab-ifc-conformance label,
#tab-ifc-conformance summary,
#tab-ifc-conformance span,
.dashboard-welcome p,
.welcome-hint,
.step-text,
.table-header,
.chart-card p,
.export-center-header p,
.export-center-item small,
.tab-empty-state p,
.kpi-action {
    color: var(--bc-muted) !important;
}

#tab-ifc-conformance [style*="background:#fff7ed"],
#tab-ifc-conformance [style*="background: #fff7ed"],
#tab-ifc-conformance [style*="background:#fef3c7"],
#tab-ifc-conformance [style*="background: #fef3c7"],
#tab-ifc-conformance [style*="background:#fffbeb"],
#tab-ifc-conformance [style*="background: #fffbeb"] {
    border: 1px solid #f3d59b !important;
    border-left: 3px solid var(--bc-amber) !important;
    background: #fff8e8 !important;
    color: #7a4b10 !important;
}

#tab-ifc-conformance [style*="background:#D1FAE5"],
#tab-ifc-conformance [style*="background: #D1FAE5"] {
    border: 1px solid #bdebd5 !important;
    background: #ecfdf5 !important;
    color: #116b4f !important;
}

#tab-ifc-conformance label:has(input[type="checkbox"]) {
    border-color: var(--bc-border);
    background: rgba(255, 255, 255, .72);
    color: var(--bc-text) !important;
}

input[type="file"] {
    color: var(--bc-muted) !important;
}

input[type="file"]::file-selector-button {
    border-color: var(--bc-border-cyan);
    background: #effaff;
    color: var(--bc-cyan);
}

input[type="file"]::file-selector-button:hover {
    background: #e1f6ff;
    color: var(--bc-text);
}

input,
select,
textarea,
.search-box,
.sankey-select {
    background: rgba(255, 255, 255, .88) !important;
    border-color: var(--bc-border) !important;
    color: var(--bc-text) !important;
}

input::placeholder,
textarea::placeholder {
    color: rgba(94, 113, 133, .72) !important;
}

thead th,
th {
    background: #eef8ff !important;
    color: var(--bc-cyan) !important;
    border-color: var(--bc-border) !important;
}

td,
tbody tr,
.table-container table {
    border-color: var(--bc-border) !important;
}

tbody tr:hover {
    background: #f3fbff !important;
}

.welcome-icon {
    background: #eefaff !important;
    border-color: var(--bc-border-cyan);
    color: var(--bc-cyan) !important;
    box-shadow: 0 18px 40px -30px rgba(8, 145, 178, .45) !important;
}

.welcome-step {
    border-color: var(--bc-border);
    background: rgba(255, 255, 255, .72);
}

.kpi-card.kpi-danger .kpi-value {
    color: var(--bc-amber) !important;
}

.kpi-card .kpi-action,
.cfc-code-badge,
#cfcEcccCount {
    color: var(--bc-cyan) !important;
}

.cfc-code-badge,
.cfc-type-badge,
#cfcEcccCount {
    border-color: var(--bc-border-cyan) !important;
    background: #effaff !important;
}

.cfc-type-badge {
    color: var(--bc-text) !important;
    background: #f8fcff !important;
}

.export-center-backdrop {
    background: rgba(23, 36, 55, .30);
}

.export-center {
    border-left-color: var(--bc-border-cyan) !important;
}

.export-center-icon {
    background: var(--bc-grad);
    color: #fff;
}

.toast {
    background: #ffffff !important;
    border-color: var(--bc-border-cyan) !important;
    color: var(--bc-text) !important;
}

@media (max-width: 1100px) {
    .sidebar {
        background: rgba(246, 251, 255, .96) !important;
    }
}

/* BIMCheck Consulting skin
   Calm audit workspace: dark surfaces, cyan technical accents, teal actions. */
:root {
    --bc-bg: #0a0f1e;
    --bc-bg-2: #0e1526;
    --bc-panel: #111b30;
    --bc-panel-2: #0f192c;
    --bc-border: rgba(148, 163, 184, .16);
    --bc-border-cyan: rgba(103, 232, 249, .24);
    --bc-text: #e6edf6;
    --bc-muted: #93a1b5;
    --bc-cyan: #67e8f9;
    --bc-blue: #3b82f6;
    --bc-action: #14b8a6;
    --bc-action-dark: #0f766e;
    --bc-action-soft: rgba(20, 184, 166, .14);
    --bc-danger: #fb7185;
    --bc-danger-dark: #e11d48;
    --bc-red: var(--bc-danger);
    --bc-red-dark: var(--bc-danger-dark);
    --bc-green: #10b981;
    --bc-amber: #fbbf24;
    --bc-grad: linear-gradient(120deg, #67e8f9, #3b82f6 60%, #6366f1);
    --primary: var(--bc-action);
    --primary-dark: var(--bc-action-dark);
    --secondary: var(--bc-panel);
    --secondary-light: #17243c;
    --accent: var(--bc-cyan);
    --success: var(--bc-green);
    --warning: var(--bc-amber);
    --gray-50: #0d1729;
    --gray-100: #111b30;
    --gray-200: rgba(148, 163, 184, .14);
    --gray-300: rgba(148, 163, 184, .24);
    --gray-500: #93a1b5;
    --gray-600: #a9b8ca;
    --gray-700: #cbd5e1;
    --gray-800: #e6edf6;
    --gray-900: #f8fbff;
    --sky-50: var(--bc-bg);
    --sky-100: var(--bc-panel);
    --sky-200: rgba(103, 232, 249, .08);
    --sky-300: var(--bc-bg);
    --sky-surface: rgba(17, 27, 48, .86);
    --sky-surface-soft: rgba(15, 25, 44, .78);
    --sky-border: var(--bc-border);
    --text: var(--bc-text);
    --dark: var(--bc-text);
    --light: var(--bc-bg);
    --white: #f8fbff;
    --shadow-md: 0 18px 60px -44px rgba(103, 232, 249, .45);
    --shadow-lg: 0 34px 90px -52px rgba(103, 232, 249, .62);
}

html {
    background: var(--bc-bg);
}

body {
    color: var(--bc-text);
    background:
        radial-gradient(760px 440px at 92% 3%, rgba(59, 130, 246, .16), transparent 65%),
        radial-gradient(620px 420px at 4% 12%, rgba(14, 116, 144, .14), transparent 70%),
        linear-gradient(180deg, var(--bc-bg) 0%, var(--bc-bg-2) 58%, var(--bc-bg) 100%) !important;
}

body::before {
    content: "";
    position: fixed;
    inset: 58px 0 0;
    z-index: -1;
    pointer-events: none;
    opacity: .5;
    background:
        linear-gradient(30deg, transparent 0 48%, rgba(148, 163, 184, .08) 49% 50%, transparent 51% 100%),
        linear-gradient(150deg, transparent 0 48%, rgba(148, 163, 184, .06) 49% 50%, transparent 51% 100%);
    background-size: 92px 92px;
    mask-image: linear-gradient(90deg, transparent, #000 18%, #000 76%, transparent);
}

.header {
    background: rgba(10, 15, 30, .92) !important;
    border-bottom: 1px solid var(--bc-border) !important;
    color: var(--bc-text);
    backdrop-filter: blur(14px);
}

.header .logo {
    color: var(--bc-text) !important;
    font-family: var(--font-body);
    font-weight: 800;
}

.header .logo::after {
    content: "Audit BIM & outils";
    display: block;
    margin-left: 2px;
    color: var(--bc-muted);
    font-size: 9px;
    font-weight: 800;
    letter-spacing: .12em;
    text-transform: uppercase;
}

.header .logo-swiss {
    display: none !important;
}

.header-product-action,
.language-selector,
.access-badge {
    border-color: var(--bc-border) !important;
    background: rgba(255, 255, 255, .035) !important;
    color: var(--bc-text) !important;
}

.header-product-action:hover,
.language-selector:hover {
    border-color: var(--bc-border-cyan) !important;
    background: rgba(103, 232, 249, .075) !important;
    color: var(--bc-cyan) !important;
}

.main {
    background: transparent;
}

.sidebar {
    background: rgba(10, 15, 30, .72) !important;
    border-right: 1px solid var(--bc-border) !important;
    backdrop-filter: blur(16px);
}

.upload-zone,
.multifile-manager,
.stats-section,
.ifc-metadata-section,
.export-section,
.file-info {
    background: linear-gradient(145deg, rgba(17, 27, 48, .92), rgba(10, 15, 30, .68)) !important;
    border: 1px solid var(--bc-border) !important;
    color: var(--bc-text);
    box-shadow: none !important;
}

.upload-zone {
    position: relative;
    overflow: hidden;
    border-style: solid !important;
}

.upload-zone::before {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    background:
        linear-gradient(rgba(103, 232, 249, .035) 1px, transparent 0),
        linear-gradient(90deg, rgba(103, 232, 249, .035) 1px, transparent 0);
    background-size: 22px 22px;
}

.upload-zone:hover {
    border-color: var(--bc-border-cyan) !important;
    background: radial-gradient(120% 100% at 50% 0, rgba(103, 232, 249, .09), rgba(17, 27, 48, .86)) !important;
    box-shadow: 0 24px 70px -54px rgba(103, 232, 249, .72) !important;
}

.upload-zone h3,
.multifile-header h4,
.stats-section h3,
.ifc-metadata-section h3,
.export-section h3,
.stat-label,
.metadata-row span:first-child,
.progress-text,
.multifile-empty,
.file-info p,
.export-section p {
    color: var(--bc-muted) !important;
}

.upload-zone h3,
.file-info h4 {
    color: var(--bc-text) !important;
}

.content {
    padding: 0 18px 32px;
}

.nav-main {
    margin-top: 0;
    background: rgba(17, 27, 48, .92) !important;
    border: 1px solid var(--bc-border) !important;
    border-radius: 14px;
    box-shadow: 0 24px 70px -58px rgba(103, 232, 249, .62);
    backdrop-filter: blur(14px);
    counter-reset: workflow-step;
}

.nav-main .nav-group {
    counter-increment: workflow-step;
}

.nav-main .nav-tab,
.nav-main .nav-group-btn {
    color: var(--bc-muted);
    border-bottom-width: 2px;
}

.nav-main .nav-group-btn {
    gap: 8px;
}

.nav-main .nav-group-btn::before {
    content: counter(workflow-step, decimal-leading-zero);
    display: inline-flex;
    width: 28px;
    height: 22px;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--bc-border);
    border-radius: 999px;
    color: var(--bc-muted);
    font-size: 10px;
    font-weight: 900;
    line-height: 1;
    font-variant-numeric: tabular-nums;
}

.nav-main .nav-tab:hover,
.nav-main .nav-group-btn:hover,
.nav-main .nav-tab.active,
.nav-main .nav-group-btn.active {
    background: rgba(103, 232, 249, .055) !important;
    color: var(--bc-text);
}

.nav-main .nav-tab.active,
.nav-main .nav-group-btn.active {
    border-bottom-color: var(--bc-action);
}

.nav-main .nav-group-btn.active::before {
    border-color: rgba(45, 212, 191, .58);
    background: rgba(20, 184, 166, .18);
    color: #fff;
}

.nav-dropdown {
    background: rgba(10, 15, 30, .98) !important;
    border-color: var(--bc-border-cyan) !important;
    box-shadow: 0 28px 80px -42px rgba(0, 0, 0, .85);
    backdrop-filter: blur(14px);
}

.nav-dropdown-item {
    color: var(--bc-text);
}

.nav-dropdown-item:hover,
.nav-dropdown-item.active {
    background: rgba(103, 232, 249, .075) !important;
}

.dropdown-desc {
    color: var(--bc-muted) !important;
}

.workflow-context {
    background:
        radial-gradient(110% 160% at 100% 0, rgba(103, 232, 249, .11), transparent 58%),
        linear-gradient(145deg, rgba(17, 27, 48, .98), rgba(10, 15, 30, .94)) !important;
    border: 1px solid var(--bc-border-cyan);
    border-left: 3px solid var(--bc-action);
    border-radius: 10px;
    box-shadow: 0 26px 80px -60px rgba(103, 232, 249, .72);
}

.workflow-context-eyebrow {
    color: var(--bc-cyan);
}

.workflow-context strong {
    color: var(--bc-text);
}

.workflow-next,
.btn-primary,
button.btn-primary,
.welcome-primary-cta {
    color: #fff !important;
    background: linear-gradient(135deg, var(--bc-action), var(--bc-blue)) !important;
    border-color: rgba(103, 232, 249, .34) !important;
    box-shadow: 0 16px 40px -24px rgba(20, 184, 166, .95) !important;
}

.workflow-next:hover,
.btn-primary:hover:not(:disabled),
button.btn-primary:hover:not(:disabled),
.welcome-primary-cta:hover {
    background: linear-gradient(135deg, var(--bc-action-dark), #1d4ed8) !important;
    border-color: rgba(103, 232, 249, .52) !important;
}

.btn-secondary,
.btn-outline,
.btn-export-html,
.bim-export-action {
    border-color: var(--bc-border-cyan) !important;
    background: rgba(103, 232, 249, .045) !important;
    color: var(--bc-cyan) !important;
}

.btn-secondary:hover,
.btn-outline:hover,
.btn-export-html:hover,
.bim-export-action:hover:not(:disabled) {
    border-color: var(--bc-cyan) !important;
    background: rgba(103, 232, 249, .09) !important;
    color: var(--bc-text) !important;
}

.dashboard-welcome,
.table-container,
.settings-section,
.card,
.stat-card,
.dashboard-card,
.chart-card,
.kpi-card,
.tab-empty-state,
.export-center,
.export-center-item {
    background: linear-gradient(145deg, rgba(17, 27, 48, .94), rgba(10, 15, 30, .72)) !important;
    border: 1px solid var(--bc-border) !important;
    color: var(--bc-text);
    box-shadow: none !important;
}

/* Keep the product app operational and calmer than the marketing hero. */
.content {
    background: linear-gradient(180deg, rgba(14, 21, 38, .55), rgba(10, 15, 30, .12));
}

.tab-content {
    padding-top: 12px;
}

#tab-ifc-conformance,
#tab-georef,
#tab-transformers,
#tab-eccc,
#tab-extraction-eccc,
#tab-allelements,
#tab-spaces {
    max-width: 1280px;
}

#tab-ifc-conformance > div:first-child {
    padding: 24px 26px;
    border: 1px solid var(--bc-border);
    border-radius: 14px;
    background:
        radial-gradient(900px 320px at 90% 0, rgba(103, 232, 249, .075), transparent 62%),
        linear-gradient(145deg, rgba(17, 27, 48, .90), rgba(10, 15, 30, .64));
}

#tab-ifc-conformance h1 {
    font-family: var(--font-body) !important;
    font-size: clamp(1.55rem, 2.2vw, 2rem) !important;
    letter-spacing: 0 !important;
}

#tab-ifc-conformance h2,
#tab-ifc-conformance h3,
#tab-ifc-conformance strong {
    color: var(--bc-text);
}

#tab-ifc-conformance p,
#tab-ifc-conformance label,
#tab-ifc-conformance summary,
#tab-ifc-conformance span {
    color: var(--bc-muted);
}

#tab-ifc-conformance [style*="border-left: 4px solid #15803d"] {
    border-left-color: var(--bc-green) !important;
}

#tab-ifc-conformance [style*="background:#fff7ed"],
#tab-ifc-conformance [style*="background: #fff7ed"],
#tab-ifc-conformance [style*="background:#fef3c7"],
#tab-ifc-conformance [style*="background: #fef3c7"],
#tab-ifc-conformance [style*="background:#fffbeb"],
#tab-ifc-conformance [style*="background: #fffbeb"] {
    border: 1px solid rgba(251, 191, 36, .36) !important;
    border-left: 3px solid var(--bc-amber) !important;
    background: rgba(251, 191, 36, .075) !important;
    color: #f8d48a !important;
}

#tab-ifc-conformance [style*="background:#D1FAE5"],
#tab-ifc-conformance [style*="background: #D1FAE5"] {
    border: 1px solid rgba(16, 185, 129, .32) !important;
    background: rgba(16, 185, 129, .075) !important;
    color: #9df0c9 !important;
}

input[type="file"] {
    max-width: 100%;
    color: var(--bc-muted) !important;
}

input[type="file"]::file-selector-button {
    min-height: 36px;
    margin-right: 10px;
    padding: 0 13px;
    border: 1px solid var(--bc-border-cyan);
    border-radius: 8px;
    background: rgba(103, 232, 249, .075);
    color: var(--bc-cyan);
    font-weight: 800;
    cursor: pointer;
}

input[type="file"]::file-selector-button:hover {
    background: rgba(103, 232, 249, .12);
    color: var(--bc-text);
}

input[type="checkbox"],
input[type="radio"] {
    accent-color: var(--bc-action);
}

#tab-ifc-conformance label:has(input[type="checkbox"]) {
    display: inline-flex;
    min-height: 38px;
    align-items: center;
    gap: 8px;
    padding: 7px 10px;
    border: 1px solid var(--bc-border);
    border-radius: 10px;
    background: rgba(255, 255, 255, .018);
    color: var(--bc-text) !important;
    font-weight: 650;
}

#tab-ifc-conformance label:has(input[type="checkbox"]) input {
    width: 16px;
    height: 16px;
    flex: 0 0 auto;
}

select,
input:not([type="file"]),
textarea {
    min-height: 40px;
    border-radius: 8px !important;
}

.table-container,
.settings-section,
.card,
.stat-card,
.dashboard-card,
.chart-card,
.kpi-card,
.tab-empty-state {
    box-shadow: 0 18px 70px -62px rgba(103, 232, 249, .62) !important;
}

.dashboard-welcome {
    position: relative;
    overflow: hidden;
    min-height: 484px;
    border-color: var(--bc-border-cyan) !important;
}

.dashboard-welcome::before {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    opacity: .85;
    background:
        radial-gradient(520px 280px at 50% 16%, rgba(103, 232, 249, .09), transparent 72%),
        linear-gradient(rgba(103, 232, 249, .035) 1px, transparent 0),
        linear-gradient(90deg, rgba(103, 232, 249, .035) 1px, transparent 0);
    background-size: auto, 24px 24px, 24px 24px;
    mask-image: linear-gradient(180deg, #000, transparent 86%);
}

.dashboard-welcome > * {
    position: relative;
    z-index: 1;
}

.welcome-icon {
    background: rgba(103, 232, 249, .055) !important;
    border: 1px solid var(--bc-border-cyan);
    color: var(--bc-cyan) !important;
    box-shadow: 0 24px 70px -44px rgba(103, 232, 249, .8) !important;
}

.dashboard-welcome h2,
.table-header h2,
.chart-card h3,
.settings-section h3,
.kpi-label,
.stat-value,
.export-center-header h2,
.export-center-item strong {
    color: var(--bc-text) !important;
}

.kpi-card {
    min-height: 110px;
}

.kpi-card .kpi-value {
    color: var(--bc-text) !important;
    opacity: 1 !important;
    text-shadow: none !important;
}

.kpi-card.kpi-danger .kpi-value {
    color: var(--bc-amber) !important;
}

.kpi-card .kpi-label {
    color: var(--bc-text) !important;
    opacity: .94 !important;
}

.kpi-card .kpi-action {
    color: var(--bc-cyan) !important;
    opacity: .98 !important;
}

.dashboard-welcome p,
.welcome-hint,
.step-text,
.table-header,
.chart-card p,
.export-center-header p,
.export-center-item small,
.tab-empty-state p,
.kpi-action {
    color: var(--bc-muted) !important;
}

.step-number,
.nav-badge,
.dropdown-badge {
    background: linear-gradient(135deg, var(--bc-action), var(--bc-blue)) !important;
    color: #fff !important;
}

.cfc-code-badge,
.cfc-type-badge,
#cfcEcccCount {
    display: inline-flex;
    min-width: 0;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--bc-border-cyan) !important;
    background: rgba(103, 232, 249, .11) !important;
    color: var(--bc-cyan) !important;
    font-weight: 850;
    letter-spacing: 0;
}

.cfc-code-badge {
    padding-inline: 12px;
    font-variant-numeric: tabular-nums;
}

.cfc-type-badge {
    color: var(--bc-text) !important;
    background: rgba(255, 255, 255, .045) !important;
}

.welcome-step {
    padding: 7px 10px;
    border: 1px solid var(--bc-border);
    border-radius: 999px;
    background: rgba(255, 255, 255, .018);
}

table {
    color: var(--bc-text);
}

thead th,
th {
    background: rgba(103, 232, 249, .055) !important;
    color: var(--bc-cyan) !important;
    border-color: var(--bc-border) !important;
}

td,
tbody tr,
.table-container table {
    border-color: var(--bc-border) !important;
}

tbody tr:hover {
    background: rgba(103, 232, 249, .045) !important;
}

input,
select,
textarea,
.search-box,
.sankey-select {
    background: rgba(10, 15, 30, .66) !important;
    border-color: var(--bc-border) !important;
    color: var(--bc-text) !important;
}

input::placeholder,
textarea::placeholder {
    color: rgba(147, 161, 181, .72) !important;
}

.progress-bar {
    background: rgba(148, 163, 184, .18) !important;
}

.progress-fill {
    background: var(--bc-grad) !important;
}

.export-center-backdrop {
    background: rgba(3, 7, 18, .68);
}

.export-center {
    border-left-color: var(--bc-border-cyan) !important;
}

.export-center-icon {
    background: var(--bc-grad);
    color: #06121f;
}

.toast {
    background: var(--bc-panel) !important;
    border: 1px solid var(--bc-border-cyan) !important;
    color: var(--bc-text) !important;
}

@media (max-width: 1100px) {
    body::before {
        inset-top: 56px;
    }

    .sidebar {
        background: rgba(10, 15, 30, .96) !important;
    }

    .nav-main {
        border-radius: 0;
        border-inline: 0 !important;
    }
}

@media (max-width: 700px) {
    .header .logo::after {
        display: none;
    }

    .dashboard-welcome {
        min-height: auto;
    }

    .welcome-step {
        width: 100%;
        border-radius: 10px;
    }

    .workflow-context {
        grid-template-columns: 1fr;
        align-items: stretch;
        gap: 10px;
    }

    .workflow-next {
        width: 100%;
        max-width: none;
        white-space: normal;
        text-align: center;
    }
}