:root {
    --bg: var(--lumen-color-surface-muted);
    --surface: var(--lumen-color-surface);
    --surface-strong: var(--lumen-color-surface);
    --surface-dark: var(--lumen-color-primary);
    --surface-muted: var(--lumen-color-surface-muted);
    --line: var(--lumen-color-border);
    --text: var(--lumen-color-text);
    --text-muted: var(--lumen-color-text-muted);
    --brand: var(--lumen-color-primary);
    --brand-soft: var(--lumen-color-primary-soft);
    --accent: var(--lumen-color-primary);
    --accent-soft: var(--lumen-color-primary-soft);
    --warn: var(--lumen-color-warning-text);
    --shadow: var(--lumen-shadow-card);
    --radius-xl: var(--lumen-radius-card);
    --radius-lg: var(--lumen-radius-card);
    --radius-md: var(--lumen-radius-icon);
    --content-width: min(1180px, calc(100% - 48px));
}

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

html {
    scroll-behavior: smooth;
}

body.app-shell {
    min-width: 320px;
    margin: 0;
    padding-top: 0;
    padding-bottom: 0;
    color: var(--text);
    background: var(--bg);
    font-family: var(--lumen-font-family);
    font-size: 14px;
    line-height: 1.6;
}

body.app-shell::before {
    display: none;
}

body.app-shell strong,
body.app-shell b {
    font-weight: var(--lumen-font-weight-strong);
}

h1,
h2,
h3,
h4,
.navbar-brand,
.hero-title,
.feature-card h3,
.section-heading h2,
.doc-card h3,
.release-card h3,
.archive-item h3 {
    font-family: inherit;
    font-weight: var(--lumen-font-weight-medium);
}

a {
    color: var(--brand);
    text-decoration: none;
}

a:hover,
a:focus {
    color: var(--lumen-color-primary-hover);
    text-decoration: none;
}

.site-nav {
    position: fixed;
    z-index: 1000;
    top: 0;
    right: 0;
    left: 0;
    min-height: 56px;
    background: var(--lumen-color-surface);
    border-bottom: 1px solid var(--lumen-color-divider);
    box-shadow: 0 1px 3px rgba(15, 23, 42, 0.04);
}

.site-nav .container,
.page-shell > .container {
    width: var(--content-width);
    max-width: none;
    margin-right: auto;
    margin-left: auto;
    padding-left: 0;
    padding-right: 0;
}

.site-nav .container {
    display: flex;
    align-items: center;
    gap: 24px;
    min-height: 56px;
}

.site-nav .navbar-header {
    flex: none;
}

.site-nav .navbar-brand {
    display: inline-flex;
    align-items: center;
    min-height: 56px;
    color: var(--lumen-color-text-strong);
    font-weight: var(--lumen-font-weight-strong);
    letter-spacing: -0.01em;
}

.site-nav .navbar-nav {
    display: flex;
    align-items: center;
    gap: 4px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.site-nav .navbar-nav > li > a {
    display: flex;
    align-items: center;
    min-height: 36px;
    padding: 0 12px;
    border-radius: var(--lumen-radius-control);
    color: var(--lumen-color-text-secondary);
    transition: color 0.2s ease, background-color 0.2s ease;
}

.site-nav .navbar-nav > li > a:hover,
.site-nav .navbar-nav > .active > a,
.site-nav .navbar-nav > .active > a:hover,
.site-nav .navbar-nav > .active > a:focus {
    color: var(--lumen-color-primary);
    background: var(--lumen-color-primary-soft);
}

.site-nav .navbar-nav > .active > a {
    position: relative;
}

.page-shell {
    padding: 72px 0 64px;
}

.section-heading {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 18px;
    margin-bottom: 24px;
}

.section-heading h2 {
    margin: 0;
    font-size: 26px;
    line-height: 1.05;
}

.section-heading p {
    margin: 0;
    max-width: 640px;
    color: var(--text-muted);
    font-size: 14px;
    line-height: 1.7;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 0;
    background: transparent;
    color: var(--lumen-color-text-muted);
    font-size: 12px;
    font-weight: var(--lumen-font-weight-strong);
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.eyebrow::before {
    display: none;
}

.hero-section {
    margin-bottom: 34px;
}

.hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(360px, 0.95fr);
    gap: 24px;
    align-items: stretch;
}

.hero-grid.single {
    grid-template-columns: 1fr;
}

.hero-copy,
.hero-card,
.workspace-card,
.doc-card,
.release-card,
.archive-item,
.summary-panel {
    position: relative;
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: var(--radius-xl);
    background: var(--lumen-color-surface);
    box-shadow: var(--shadow);
}

.hero-copy {
    padding: 42px;
}

.hero-copy::after,
.hero-card::after,
.workspace-card::after,
.doc-card::after,
.release-card::after,
.archive-item::after,
.summary-panel::after {
    display: none;
}

.hero-title {
    margin: 20px 0 16px;
    font-size: clamp(22px, 1.8vw, 28px);
    font-weight: var(--lumen-font-weight-medium);
    line-height: 1.08;
    letter-spacing: -0.02em;
}

.hero-subtitle {
    margin: 0 0 22px;
    max-width: 620px;
    color: var(--text-muted);
    font-size: 14px;
    line-height: 1.8;
}

.hero-subtitle-inline {
    max-width: none;
    white-space: nowrap;
    display: inline-block;
}

.hero-stats,
.hero-actions,
.feature-grid,
.summary-grid,
.archive-grid {
    display: grid;
    gap: 14px;
}

.hero-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    margin: 28px 0;
}

.stat-chip {
    padding: 18px 18px 16px;
    border: 1px solid rgba(17, 19, 21, 0.08);
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.72);
}

.stat-chip strong {
    display: block;
    font-size: 28px;
    line-height: 1;
}

.stat-chip span {
    display: block;
    margin-top: 6px;
    color: var(--text-muted);
    font-size: 13px;
}

.hero-actions {
    display: flex;
    flex-wrap: nowrap;
    gap: 12px;
    overflow-x: auto;
    padding-bottom: 4px;
}

.hero-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: var(--lumen-control-height-md);
    padding: 0 14px;
    border-radius: var(--lumen-radius-control);
    font-size: 14px;
    font-weight: var(--lumen-font-weight-medium);
    transition: background-color 0.16s ease, border-color 0.16s ease;
}

.hero-link:hover {
    transform: none;
}

.hero-link.primary {
    background: var(--surface-dark);
    color: #f9f5ef;
    box-shadow: var(--lumen-shadow-control);
}

.hero-link.secondary {
    border: 1px solid rgba(17, 19, 21, 0.16);
    color: var(--text);
    background: rgba(255, 255, 255, 0.65);
}

.hero-card {
    padding: 28px;
}

.home-hero-layout {
    display: grid;
    grid-template-columns: minmax(0, 1.18fr) minmax(320px, 0.82fr);
    gap: 28px;
    align-items: start;
}

.home-hero-copy .hero-subtitle {
    max-width: 700px;
}

.home-hero-side {
    display: flex;
    justify-content: center;
    transform: translateY(-10px);
}

.doc-stack {
    position: relative;
    height: 246px;
    width: 100%;
    max-width: 304px;
}

.doc-sheet {
    position: absolute;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: space-between;
    width: 136px;
    height: 174px;
    padding: 14px 14px 12px;
    border-radius: 24px;
    border: 1px solid rgba(17, 19, 21, 0.1);
    background: rgba(255, 255, 255, 0.94);
    box-shadow: 0 22px 40px rgba(17, 19, 21, 0.12);
    overflow: hidden;
}

.doc-sheet img {
    width: 38px;
    height: 38px;
}

.doc-sheet::after {
    content: "";
    position: absolute;
    left: 2px;
    right: 2px;
    top: 64px;
    bottom: 46px;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 120 120'%3E%3Cpath d='M2 18 C20 8 40 28 60 18 S100 28 118 18' stroke='%23e6ebf2' stroke-width='4' fill='none' stroke-linecap='round'/%3E%3Cpath d='M2 42 C20 32 40 52 60 42 S100 52 118 42' stroke='%23e6ebf2' stroke-width='4' fill='none' stroke-linecap='round'/%3E%3Cpath d='M2 66 C20 56 40 76 60 66 S100 76 118 66' stroke='%23e6ebf2' stroke-width='4' fill='none' stroke-linecap='round'/%3E%3Cpath d='M2 90 C20 80 40 100 60 90 S100 100 118 90' stroke='%23e6ebf2' stroke-width='4' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: center;
    background-size: 118% 100%;
    opacity: 0.9;
    pointer-events: none;
}

.doc-sheet img,
.doc-sheet span {
    position: relative;
    z-index: 1;
}

.doc-sheet span {
    display: inline-flex;
    align-items: center;
    padding: 8px 12px;
    border-radius: 999px;
    background: rgba(17, 19, 21, 0.06);
    color: var(--text);
    font-size: 12px;
    font-weight: var(--lumen-font-weight-strong);
    letter-spacing: 0.08em;
}

.sheet-word {
    top: 16px;
    left: 12px;
    transform: rotate(-10deg);
    z-index: 1;
}

.sheet-excel {
    top: 68px;
    left: 88px;
    transform: rotate(-2deg);
    z-index: 2;
}

.sheet-powerpoint {
    top: 8px;
    right: 10px;
    transform: rotate(9deg);
    z-index: 3;
}

.sheet-pdf {
    top: 94px;
    right: 48px;
    transform: rotate(4deg);
    z-index: 4;
}

.hero-card h3,
.workspace-card h3,
.release-card h3,
.archive-item h3 {
    margin: 0;
    font-size: 24px;
}

.doc-card h3 {
    margin: 0;
    font-size: 18px;
}

.card-intro {
    margin: 10px 0 0;
    color: var(--text-muted);
    line-height: 1.7;
}

.note-row {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 18px;
}

.note-pill,
.tag {
    display: inline-flex;
    align-items: center;
    padding: 8px 12px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.7);
    border: 1px solid rgba(17, 19, 21, 0.08);
    color: var(--text-muted);
    font-size: 12px;
    font-weight: 600;
}

.tag.highlight {
    background: var(--accent-soft);
    color: #4e6115;
}

.tag.brand {
    background: var(--brand-soft);
    color: var(--brand);
}

.tag.warn {
    background: rgba(201, 107, 59, 0.12);
    color: #a4552e;
}

.preview-panel {
    margin-top: 22px;
}

.preview-panel .form-control,
.workspace-card .form-control,
.doc-card .copy-btn,
.preview-submit,
.toolbar-btn {
    border-radius: var(--lumen-radius-control);
}

.preview-panel .form-control,
.workspace-card .form-control {
    height: var(--lumen-control-height-md);
    padding: 0 12px;
    border: 1px solid var(--lumen-color-border-strong);
    box-shadow: none;
    background: var(--lumen-color-surface);
    color: var(--lumen-color-text);
    font: inherit;
}

.preview-panel .form-control:focus,
.workspace-card .form-control:focus,
.workspace-card .file-picker:focus-within {
    border-color: var(--lumen-color-primary);
    outline: none;
    box-shadow: 0 0 0 3px var(--lumen-color-focus-ring);
}

.preview-panel textarea.form-control,
.workspace-card textarea.form-control {
    height: auto;
    min-height: 72px;
    padding: 8px 12px;
    resize: vertical;
}

.preview-url {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 14px;
}

.preview-url .form-control {
    flex: 1 1 auto;
    min-width: 0;
}

.preview-url .preview-submit {
    flex: 0 0 168px;
}

.preview-options {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    align-items: center;
    gap: 12px;
    margin-bottom: 14px;
    overflow: visible;
    padding-bottom: 0;
}

.preview-grid {
    display: grid;
    grid-template-columns: repeat(5, minmax(108px, 1fr));
    gap: 12px;
    margin-bottom: 0;
    overflow: visible;
    padding-bottom: 0;
    min-width: 0;
    width: 100%;
}

.preview-grid .form-control {
    width: 100%;
    min-width: 0;
    padding-left: 16px;
    padding-right: 16px;
}

.preview-switches {
    display: flex;
    flex-wrap: nowrap;
    gap: 10px;
    margin-bottom: 0;
    overflow: visible;
    padding-bottom: 0;
    width: 100%;
}

.preview-switches label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin: 0;
    padding: 10px 12px;
    border-radius: var(--lumen-radius-control);
    background: rgba(255, 255, 255, 0.76);
    border: 1px solid rgba(17, 19, 21, 0.08);
    font-weight: 600;
    white-space: nowrap;
}

.preview-switches input {
    margin: 0;
}

.preview-submit,
.toolbar-btn,
.workspace-card .btn,
.doc-card .copy-btn {
    min-height: var(--lumen-control-height-sm);
    padding: 0 12px;
    border: 1px solid var(--lumen-color-primary);
    background: var(--lumen-color-primary);
    color: var(--lumen-color-on-primary);
    font: inherit;
    font-size: 14px;
    font-weight: var(--lumen-font-weight-medium);
    cursor: pointer;
    transition: background-color 0.16s ease, border-color 0.16s ease;
}

.preview-submit:hover,
.toolbar-btn:hover,
.workspace-card .btn:hover,
.doc-card .copy-btn:hover {
    border-color: var(--lumen-color-primary-hover);
    background: var(--lumen-color-primary-hover);
    color: var(--lumen-color-on-primary);
}

.preview-submit {
    width: 168px;
    min-height: var(--lumen-control-height-md);
}

.feature-section,
.workspace-section,
.docs-layout,
.release-section {
    margin-top: 34px;
}

.workspace-section .section-heading h2 {
    font-size: 24px;
    line-height: 1.15;
}

.feature-section .section-heading h2 {
    font-size: 24px;
    line-height: 1.15;
}

.feature-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.feature-card {
    padding: 24px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--line);
    background: var(--lumen-color-surface);
    min-height: 100%;
}

.feature-card h3 {
    margin: 14px 0 10px;
    font-size: 22px;
}

.feature-card p {
    margin: 0 0 14px;
    color: var(--text-muted);
    line-height: 1.7;
}

.feature-card ul,
.doc-card ul,
.release-list,
.archive-item ul {
    margin: 0;
    padding-left: 18px;
}

.feature-card li,
.doc-card li,
.release-list li,
.archive-item li {
    margin-bottom: 8px;
    line-height: 1.6;
}

.workspace-card {
    padding: 30px;
}

.workspace-header {
    display: flex;
    justify-content: space-between;
    gap: 18px;
    align-items: flex-end;
    margin-bottom: 22px;
}

.source-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 18px;
    margin-bottom: 18px;
}

.source-card {
    padding: 22px;
    border-radius: var(--radius-lg);
    background: var(--lumen-color-surface-subtle);
    border: 1px solid var(--lumen-color-border);
}

.source-card h4 {
    margin: 0 0 10px;
    font-size: 20px;
}

.source-card p {
    margin: 0 0 14px;
    color: var(--text-muted);
    line-height: 1.7;
}

.source-card .preview-panel {
    margin-top: 0;
}

.source-card .alert {
    width: auto;
    margin-top: 12px;
}

.workspace-header p {
    margin: 10px 0 0;
    max-width: 720px;
    color: var(--text-muted);
}

.toolbar-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(320px, 0.8fr);
    gap: 18px;
    margin-bottom: 18px;
}

.toolbar-card {
    padding: 20px;
    border-radius: var(--radius-lg);
    background: var(--lumen-color-surface-subtle);
    border: 1px solid var(--lumen-color-border);
}

.toolbar-card h4 {
    margin: 0 0 14px;
    font-size: 15px;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--text-muted);
}

.toolbar-inline {
    display: flex;
    gap: 10px;
    align-items: center;
    flex-wrap: wrap;
}

.toolbar-inline .form-control {
    flex: 1;
    min-width: 180px;
}

.upload-preview-options .form-control {
    width: 100%;
}

.upload-preview-options p {
    margin: 6px 0 0;
    font-size: 12px;
}

.toolbar-inline .file-picker {
    position: relative;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 4px;
    color: var(--text-muted);
    cursor: pointer;
}

.file-picker input[type="file"] {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
}

.file-picker-button {
    display: inline-flex;
    align-items: center;
    flex-shrink: 0;
    height: calc(var(--lumen-control-height-md) - 10px);
    padding: 0 12px;
    border-radius: var(--lumen-radius-control);
    background: var(--brand-soft);
    color: var(--brand);
    font-weight: var(--lumen-font-weight-medium);
}

.file-picker:hover .file-picker-button {
    background: var(--lumen-color-primary-soft-hover);
}

.file-picker-name {
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.workspace-card .disabled-upload .alert {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    margin: 0;
    padding: 12px 14px;
    border-radius: var(--lumen-radius-icon);
    line-height: 1.5;
}

.disabled-upload .info-icon {
    flex: 0 0 18px;
    margin: 2px 0 0;
}

.workspace-card .alert {
    width: auto;
    margin-top: 12px;
    border-radius: 16px;
    border: 0;
}

.workspace-card .alert-warning {
    background: rgba(201, 107, 59, 0.12);
    color: #8c4b2a;
}

.workspace-card .alert-danger {
    background: rgba(217, 83, 79, 0.12);
    color: #9e2f2c;
}

.modern-breadcrumb {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 18px;
    padding: 0;
    list-style: none;
}

.modern-breadcrumb li {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    border-radius: var(--lumen-radius-control);
    border: 1px solid rgba(17, 19, 21, 0.08);
    background: rgba(255, 255, 255, 0.72);
}

.modern-breadcrumb a {
    color: var(--text);
}

.modern-breadcrumb .active {
    background: rgba(30, 99, 233, 0.08);
    color: var(--brand);
}

.modern-breadcrumb li + li::before {
    content: "/";
    color: rgba(17, 19, 21, 0.28);
}

.file-table-shell {
    border-radius: var(--lumen-radius-card);
    border: 1px solid var(--lumen-color-border);
    background: var(--lumen-color-surface);
}

.file-table-scroll {
    border-radius: var(--lumen-radius-card) var(--lumen-radius-card) 0 0;
    overflow-x: auto;
}

.file-table {
    width: 100%;
    min-width: 760px;
    border-collapse: collapse;
}

.file-table th {
    padding: 0;
    background: var(--lumen-color-surface-muted);
    color: var(--lumen-color-text-secondary);
    border-bottom: 1px solid var(--lumen-color-divider);
    font-weight: var(--lumen-font-weight-medium);
    letter-spacing: 0.02em;
    text-align: left;
}

.file-table td {
    padding: 16px 12px;
    border-top: 1px solid var(--lumen-color-divider);
    background: var(--lumen-color-surface);
}

.file-table .folder-row td {
    background: var(--lumen-color-primary-soft) !important;
}

.file-table .file-row:hover td,
.file-table .folder-row:hover td {
    background: var(--lumen-color-surface-hover) !important;
}

.sort-button {
    display: flex;
    width: 100%;
    min-height: 42px;
    align-items: center;
    gap: 6px;
    padding: 0 12px;
    border: 0;
    background: transparent;
    color: inherit;
    font: inherit;
    cursor: pointer;
}

.sort-button.sorted::after {
    content: "";
    width: 0;
    height: 0;
    border-right: 4px solid transparent;
    border-left: 4px solid transparent;
}

.sort-button.asc::after { border-bottom: 5px solid currentColor; }
.sort-button.desc::after { border-top: 5px solid currentColor; }

.align-center { text-align: center !important; }
.align-right { text-align: right !important; }
.align-right .sort-button { justify-content: flex-end; }

.file-type {
    display: inline-flex;
    padding: 6px 10px;
    border-radius: 999px;
    font-size: 11px;
}

.file-type.folder {
    background: var(--lumen-color-warning-soft);
    color: var(--lumen-color-warning-text);
}

.file-type.file {
    background: var(--lumen-color-primary-soft);
    color: var(--brand);
}

.file-actions {
    white-space: nowrap;
}

.file-actions .btn + .btn {
    margin-left: 6px;
}

.file-table-status {
    padding: 28px 16px;
    color: var(--lumen-color-text-muted);
    text-align: center;
}

.file-pagination {
    display: flex;
    min-height: 52px;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 8px 12px;
    border-top: 1px solid var(--lumen-color-divider);
    color: var(--lumen-color-text-muted);
    font-size: 13px;
}

.page-summary,
.page-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

.page-summary label {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.page-size-picker summary,
.page-actions button {
    height: 28px;
    border: 1px solid var(--lumen-color-border-strong);
    border-radius: var(--lumen-radius-control);
    background: var(--lumen-color-surface);
    color: var(--lumen-color-text-secondary);
    font: inherit;
    font-size: 13px;
}

.page-size-picker {
    position: relative;
}

.page-size-picker summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    min-width: 62px;
    padding: 0 8px;
    list-style: none;
    cursor: pointer;
}

.page-size-picker summary::-webkit-details-marker {
    display: none;
}

.page-size-picker summary::after {
    content: "";
    width: 6px;
    height: 6px;
    border-right: 1px solid currentColor;
    border-bottom: 1px solid currentColor;
    transform: rotate(45deg) translateY(-2px);
}

.page-size-picker[open] summary {
    border-color: var(--lumen-color-primary);
}

.page-size-options {
    position: absolute;
    bottom: calc(100% + 6px);
    left: 0;
    z-index: 10;
    min-width: 90px;
    padding: 4px;
    border: 1px solid var(--lumen-color-border);
    border-radius: var(--lumen-radius-control);
    background: var(--lumen-color-surface);
    box-shadow: 0 8px 24px rgba(17, 19, 21, 0.12);
}

.page-size-options label {
    display: block;
    position: relative;
    cursor: pointer;
}

.page-size-options input {
    position: absolute;
    width: 1px;
    height: 1px;
    opacity: 0;
}

.page-size-options span {
    display: block;
    padding: 6px 10px;
    border-radius: var(--lumen-radius-control);
}

.page-size-options label:hover span,
.page-size-options input:checked + span {
    background: var(--lumen-color-primary-soft);
    color: var(--lumen-color-primary);
}

.page-size-picker summary:focus-visible,
.page-size-options input:focus-visible + span {
    outline: 2px solid var(--lumen-color-primary);
    outline-offset: 2px;
}

.page-actions button {
    min-width: 28px;
    padding: 0 7px;
    cursor: pointer;
}

.page-actions button:hover:not(:disabled) {
    border-color: var(--lumen-color-primary);
    color: var(--lumen-color-primary);
}

.page-actions button:disabled {
    opacity: 0.45;
    cursor: default;
}

.workspace-card .btn-info,
.workspace-card .btn-success {
    background: var(--brand);
    border-color: var(--brand);
}

.workspace-card .btn-danger {
    border-color: var(--lumen-color-danger-border);
    background: var(--lumen-color-danger-soft);
    color: var(--lumen-color-danger-text);
}

.workspace-card .btn-default {
    border-color: var(--lumen-color-border-strong);
    background: var(--lumen-color-surface);
    color: var(--text);
}

.workspace-card .btn-default:hover {
    color: var(--text);
}

.summary-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    margin-top: 24px;
}

.summary-panel {
    padding: 22px;
}

.summary-panel strong {
    display: block;
    font-size: 18px;
    font-weight: var(--lumen-font-weight-medium);
}

.summary-panel span {
    display: block;
    margin-top: 8px;
    color: var(--text-muted);
}

.docs-layout {
    display: grid;
    grid-template-columns: 260px minmax(0, 1fr);
    gap: 24px;
}

.page-toc {
    position: sticky;
    top: 102px;
    align-self: start;
    padding: 24px;
    border-radius: var(--radius-xl);
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.72);
    box-shadow: var(--shadow);
}

.page-toc h3 {
    margin: 0 0 14px;
    font-size: 18px;
}

.page-toc ul {
    margin: 0;
    padding: 0;
    list-style: none;
}

.page-toc li + li {
    margin-top: 8px;
}

.page-toc a {
    display: block;
    padding: 9px 12px;
    border-radius: 12px;
    color: var(--text-muted);
}

.page-toc a:hover {
    background: rgba(30, 99, 233, 0.08);
    color: var(--brand);
}

.docs-content {
    display: grid;
    gap: 18px;
}

.doc-card {
    padding: 28px;
}

.doc-card p {
    color: var(--text-muted);
    line-height: 1.8;
}

.doc-card-header {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    align-items: center;
    margin-bottom: 14px;
}

.doc-card-header .tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.parameter-groups {
    display: grid;
    gap: 20px;
    margin-top: 18px;
}

.parameter-group h4 {
    margin: 0 0 8px;
    font-size: 14px;
    font-weight: var(--lumen-font-weight-medium);
}

.parameter-list {
    margin: 0;
    border-top: 1px solid var(--lumen-color-divider);
}

.parameter-list > div {
    display: grid;
    grid-template-columns: minmax(180px, 0.55fr) minmax(0, 1fr);
    gap: 16px;
    padding: 11px 0;
    border-bottom: 1px solid var(--lumen-color-divider);
}

.parameter-list dt,
.parameter-list dd {
    margin: 0;
}

.parameter-list dt code {
    color: var(--lumen-color-primary);
    font-size: 13px;
}

.parameter-list dd {
    color: var(--text-muted);
    line-height: 1.6;
}

.parameter-note {
    margin: 18px 0 0;
    padding: 12px 14px;
    border-radius: var(--lumen-radius-control);
    background: var(--lumen-color-surface-subtle);
}

.config-reference {
    display: grid;
    gap: 10px;
    margin-top: 18px;
}

.config-group {
    overflow: hidden;
    border: 1px solid var(--lumen-color-border);
    border-radius: 10px;
    background: var(--lumen-color-surface);
}

.config-group summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 13px 14px;
    color: var(--lumen-color-text);
    font-weight: var(--lumen-font-weight-medium);
    cursor: pointer;
    list-style: none;
}

.config-group summary::-webkit-details-marker {
    display: none;
}

.config-group summary::after {
    content: "+";
    flex: none;
    color: var(--lumen-color-text-muted);
    font-size: 18px;
    font-weight: var(--lumen-font-weight-normal);
}

.config-group[open] summary::after {
    content: "−";
}

.config-group summary small {
    margin-left: auto;
    color: var(--lumen-color-text-muted);
    font-size: 12px;
    font-weight: var(--lumen-font-weight-normal);
}

.config-table {
    overflow-x: auto;
    border-top: 1px solid var(--lumen-color-divider);
}

.config-row {
    display: grid;
    grid-template-columns: minmax(190px, 1fr) minmax(190px, 1fr) minmax(130px, 0.7fr) minmax(240px, 1.35fr);
    gap: 16px;
    min-width: 860px;
    padding: 10px 14px;
    border-bottom: 1px solid var(--lumen-color-divider);
}

.config-row:last-child {
    border-bottom: 0;
}

.config-row-head {
    background: var(--lumen-color-surface-muted);
    color: var(--lumen-color-text-muted);
    font-size: 12px;
    font-weight: var(--lumen-font-weight-medium);
}

.config-row code {
    color: var(--lumen-color-text-secondary);
    font-size: 12px;
    overflow-wrap: anywhere;
}

.code-block {
    position: relative;
    margin-top: 16px;
    border-radius: 10px;
    border: 1px solid #d8dee6;
    background: #f6f8fa;
    overflow: auto;
}

.code-block code {
    display: block;
    font-family: "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
    font-size: 14px;
    line-height: 1.7;
    white-space: pre;
    color: #24292f;
    background: transparent;
    padding: 16px 18px;
}

.code-block .hljs {
    display: block;
    overflow-x: auto;
    padding: 16px 18px;
    background: transparent;
    color: #24292f;
}

.code-block .hljs-comment,
.code-block .hljs-quote {
    color: #6e7781;
    font-style: italic;
}

.code-block .hljs-keyword,
.code-block .hljs-selector-tag,
.code-block .hljs-title.function_,
.code-block .hljs-built_in,
.code-block .hljs-literal {
    color: #cf222e;
    font-weight: 600;
}

.code-block .hljs-string,
.code-block .hljs-regexp,
.code-block .hljs-template-tag,
.code-block .hljs-template-variable {
    color: #0a3069;
}

.code-block .hljs-number,
.code-block .hljs-symbol,
.code-block .hljs-bullet {
    color: #0550ae;
}

.code-block .hljs-attr,
.code-block .hljs-attribute,
.code-block .hljs-property,
.code-block .hljs-variable,
.code-block .hljs-params {
    color: #24292f;
}

.code-block .hljs-title,
.code-block .hljs-function {
    color: #8250df;
}

.code-block .hljs-subst,
.code-block .hljs-operator,
.code-block .hljs-punctuation {
    color: #57606a;
}

.copy-btn {
    padding: 10px 14px;
    min-width: 88px;
}

.release-hero {
    margin-bottom: 26px;
}

.release-badge-row {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 20px;
}

.timeline-year {
    margin: 34px 0 14px;
    font-size: 13px;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--text-muted);
}

.timeline-list {
    display: grid;
    gap: 18px;
}

.release-card {
    padding: 26px;
}

.release-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin: 14px 0 18px;
}

.release-columns {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
}

.release-group {
    padding: 18px;
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.72);
    border: 1px solid rgba(17, 19, 21, 0.08);
}

.release-group h4 {
    margin: 0 0 12px;
    font-size: 14px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-muted);
}

.archive-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    margin-top: 20px;
}

.archive-item {
    padding: 22px;
}

.archive-item p {
    margin: 12px 0 0;
    color: var(--text-muted);
    line-height: 1.7;
}

.site-footer {
    display: flex;
    justify-content: center;
    margin-top: 28px;
    color: var(--text-muted);
}

.site-footer a {
    padding: 10px 14px;
    border-radius: 999px;
    border: 1px solid rgba(17, 19, 21, 0.08);
    background: rgba(255, 255, 255, 0.58);
}

.text-highlight {
    padding: 2px 6px;
    border-radius: 8px;
    background: rgba(194, 240, 98, 0.4);
    color: var(--text);
    font-weight: var(--lumen-font-weight-strong);
}

.file-icon {
    display: inline-block;
    width: 17px;
    height: 17px;
    margin-right: 8px;
    vertical-align: -3px;
    background: var(--lumen-color-text-muted);
    -webkit-mask: center / contain no-repeat;
    mask: center / contain no-repeat;
}

.file-icon.folder {
    background: var(--lumen-color-warning-text);
    -webkit-mask-image: url("../images/hero-icons/folder-open.svg");
    mask-image: url("../images/hero-icons/folder-open.svg");
}

.file-icon.file {
    -webkit-mask-image: url("../images/hero-icons/file.svg");
    mask-image: url("../images/hero-icons/file.svg");
}

.btn {
    display: inline-flex;
    min-height: var(--lumen-control-height-sm);
    align-items: center;
    justify-content: center;
    padding: 0 12px;
    border: 1px solid var(--lumen-color-border-strong);
    border-radius: var(--lumen-radius-control);
    background: var(--lumen-color-surface);
    color: var(--lumen-color-text);
    font: inherit;
    font-size: 14px;
    line-height: 1;
    cursor: pointer;
}

.btn-sm {
    min-height: 28px;
    padding: 0 10px;
    font-size: 13px;
}

.table {
    width: 100%;
    border-collapse: collapse;
}

.hide,
[hidden] {
    display: none !important;
}

.show {
    display: block !important;
}

.close {
    float: right;
    padding: 0;
    border: 0;
    background: transparent;
    color: currentColor;
    font: inherit;
    font-size: 20px;
    cursor: pointer;
}

.text-muted {
    color: var(--lumen-color-text-muted);
}

.info-icon {
    display: inline-grid;
    width: 18px;
    height: 18px;
    margin-right: 6px;
    place-items: center;
    border: 1px solid currentColor;
    border-radius: 50%;
    font-size: 12px;
    font-weight: 600;
}

body.modal-open {
    overflow: hidden;
}

.app-modal {
    position: fixed;
    z-index: 1100;
    inset: 0;
    display: grid;
    place-items: center;
    padding: 20px;
    background: rgba(15, 23, 42, 0.38);
    animation: modal-fade-in 160ms ease-out;
}

.app-modal-dialog {
    width: min(480px, 100%);
    animation: modal-rise-in 180ms ease-out;
}

.app-modal-sm {
    width: min(380px, 100%);
}

.app-modal-content {
    overflow: hidden;
    border: 1px solid var(--lumen-color-border);
    border-radius: 18px;
    background: var(--lumen-color-surface);
    box-shadow: 0 24px 64px rgba(15, 23, 42, 0.18);
}

.app-modal-header,
.app-modal-footer {
    display: flex;
    align-items: center;
    padding: 16px 20px;
}

.app-modal-header {
    justify-content: space-between;
    border-bottom: 1px solid var(--lumen-color-divider);
}

.app-modal-header h4 {
    margin: 0;
    font-size: 16px;
}

.app-modal-close {
    width: 32px;
    height: 32px;
    border: 0;
    border-radius: var(--lumen-radius-control);
    background: transparent;
    color: var(--lumen-color-text-muted);
    font-size: 22px;
    cursor: pointer;
}

.app-modal-close:hover {
    background: var(--lumen-color-surface-muted);
}

.app-modal-body {
    padding: 20px;
}

.app-modal-footer {
    justify-content: flex-end;
    gap: 8px;
    border-top: 1px solid var(--lumen-color-divider);
}

.captcha-field {
    display: flex;
    align-items: center;
    gap: 12px;
}

.captcha-field img {
    display: block;
    max-width: 120px;
}

@keyframes modal-fade-in {
    from { opacity: 0; }
}

@keyframes modal-rise-in {
    from { opacity: 0; transform: translateY(8px) scale(0.98); }
}

@media (max-width: 1080px) {
    .hero-grid,
    .home-hero-layout,
    .docs-layout,
    .toolbar-grid,
    .release-columns,
    .source-grid,
    .preview-options {
        grid-template-columns: 1fr;
    }

    .page-toc {
        position: static;
    }

    .home-hero-side {
        justify-content: flex-start;
    }

    .doc-stack {
        height: auto;
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 14px;
    }

    .doc-sheet {
        position: relative;
        top: auto;
        right: auto;
        left: auto;
        width: 100%;
        height: 180px;
        transform: none;
    }

    .hero-stats,
    .feature-grid,
    .summary-grid,
    .archive-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .preview-grid {
        grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    }
}

@media (max-width: 768px) {
    .page-shell {
        padding-top: 72px;
    }

    .site-nav .container {
        gap: 8px;
        overflow-x: auto;
        scrollbar-width: none;
    }

    .site-nav .container::-webkit-scrollbar {
        display: none;
    }

    .site-nav .navbar-nav {
        flex: none;
        white-space: nowrap;
    }

    .site-nav .navbar-nav > li > a {
        padding: 0 8px;
        font-size: 13px;
    }

    .site-nav .container,
    .page-shell > .container {
        width: min(100% - 28px, 1180px);
    }

    .integration-page .page-shell > .container {
        display: flex;
        flex-direction: column;
    }

    .integration-page .docs-layout {
        display: contents;
    }

    .integration-page .page-toc {
        order: -1;
        position: sticky;
        z-index: 20;
        top: 56px;
        display: flex;
        align-items: center;
        gap: 8px;
        margin-bottom: 14px;
        padding: 10px 12px;
        overflow-x: auto;
        scrollbar-width: none;
    }

    .integration-page .page-toc::-webkit-scrollbar {
        display: none;
    }

    .integration-page .page-toc h3 {
        flex: none;
        margin: 0;
        font-size: 14px;
    }

    .integration-page .page-toc ul {
        display: flex;
        flex: none;
        gap: 4px;
    }

    .integration-page .page-toc li + li {
        margin-top: 0;
    }

    .integration-page .page-toc a {
        padding: 7px 10px;
        white-space: nowrap;
    }

    .parameter-list > div {
        grid-template-columns: 1fr;
        gap: 4px;
    }

    .config-row {
        grid-template-columns: 1fr;
        gap: 5px;
        min-width: 0;
    }

    .config-row-head {
        display: none;
    }

    .config-row span::before {
        content: attr(data-label);
        display: block;
        margin-bottom: 2px;
        color: var(--lumen-color-text-muted);
        font-size: 11px;
    }

    .hero-copy,
    .hero-card,
    .workspace-card,
    .doc-card,
    .release-card,
    .archive-item,
    .summary-panel,
    .page-toc {
        padding: 22px;
        border-radius: var(--lumen-radius-card);
    }

    .hero-title {
        font-size: 22px;
    }

    .hero-subtitle-inline {
        white-space: normal;
    }

    .hero-stats,
    .feature-grid,
    .summary-grid,
    .archive-grid,
    .preview-options {
        grid-template-columns: 1fr;
    }

    .preview-url {
        flex-direction: column;
        align-items: stretch;
    }

    .preview-url .preview-submit {
        flex: 0 0 auto;
    }

    .preview-switches {
        flex-wrap: wrap;
        overflow-x: visible;
        padding-bottom: 0;
        margin-bottom: 14px;
    }

    .hero-actions {
        flex-wrap: wrap;
        overflow-x: visible;
        padding-bottom: 0;
    }

    .workspace-header,
    .section-heading,
    .doc-card-header {
        display: block;
    }

    .toolbar-inline {
        flex-direction: column;
        align-items: stretch;
    }

    .toolbar-inline .form-control,
    .toolbar-inline .btn {
        width: 100%;
    }

    .toolbar-inline .form-control {
        flex: none;
    }

    .toolbar-inline .btn {
        min-height: var(--lumen-control-height-md);
    }

    .file-pagination {
        align-items: stretch;
        flex-direction: column;
    }

    .page-summary,
    .page-actions {
        justify-content: space-between;
    }
}

@media (max-width: 640px) {
    .file-table {
        min-width: 0;
    }

    .file-table thead {
        display: none;
    }

    .file-table,
    .file-table tbody {
        display: block;
    }

    .file-table tr {
        display: grid;
        grid-template-columns: minmax(0, 1fr) auto;
        gap: 8px 12px;
        padding: 14px;
        border-top: 1px solid var(--lumen-color-divider);
    }

    .file-table tr:first-child {
        border-top: 0;
    }

    .file-table .folder-row {
        background: var(--lumen-color-primary-soft);
    }

    .file-table td {
        display: block;
        padding: 0;
        border: 0;
        background: transparent !important;
    }

    .file-table .folder-row td {
        background: transparent !important;
    }

    .file-name-cell {
        min-width: 0;
        font-weight: var(--lumen-font-weight-medium);
    }

    .file-name-cell a {
        overflow-wrap: anywhere;
    }

    .file-date-cell,
    .file-size-cell {
        color: var(--lumen-color-text-muted);
        font-size: 12px;
    }

    .file-actions {
        display: flex !important;
        grid-column: 1 / -1;
        justify-content: flex-end;
        padding-top: 4px !important;
    }
}