:root {
    --bg: #f4f0e6;
    --bg-accent: #e8dcc8;
    --panel: #fffdf8;
    --border: rgba(62, 47, 30, 0.12);
    --text: #2c2416;
    --muted: #6b5d4a;
    --primary: #b45309;
    --primary-hover: #92400e;
    --danger: #b91c1c;
    --danger-hover: #991b1b;
    --shadow: 0 12px 40px rgba(44, 36, 22, 0.08);
    --radius: 14px;
    --code-bg: #f1ebe0;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    font-family: "Segoe UI", ui-sans-serif, system-ui, sans-serif;
    background:
        radial-gradient(circle at top right, rgba(180, 83, 9, 0.08), transparent 35%),
        var(--bg);
    color: var(--text);
    line-height: 1.55;
}

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

code {
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    font-size: 0.9em;
    background: var(--code-bg);
    padding: 0.1em 0.35em;
    border-radius: 4px;
}

.site-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
    padding: 16px 24px;
    background: var(--panel);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 10;
}

.logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 1.15rem;
    color: var(--text);
    text-decoration: none;
}

.logo-icon {
    font-size: 1.4rem;
}

.site-nav {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.site-nav a {
    padding: 8px 12px;
    border-radius: 8px;
    text-decoration: none;
    color: var(--muted);
    font-weight: 600;
}

.site-nav a:hover,
.site-nav a.active {
    color: var(--text);
    background: var(--bg-accent);
}

.site-main {
    max-width: 920px;
    margin: 0 auto;
    padding: 28px 20px 48px;
}

.panel {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 24px;
}

.panel-header {
    margin-bottom: 20px;
}

.panel-header.row {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
}

.panel-header h1,
.article-header h1 {
    margin: 0 0 6px;
    font-size: 1.75rem;
    line-height: 1.2;
}

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

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 10px 16px;
    border-radius: 10px;
    border: 1px solid var(--border);
    background: var(--panel);
    color: var(--text);
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    font-size: 0.95rem;
}

.btn:hover {
    background: var(--bg-accent);
}

.btn-primary {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
}

.btn-primary:hover {
    background: var(--primary-hover);
    border-color: var(--primary-hover);
}

.btn-danger {
    background: var(--danger);
    border-color: var(--danger);
    color: #fff;
}

.btn-danger:hover {
    background: var(--danger-hover);
    border-color: var(--danger-hover);
}

.btn-ghost {
    background: transparent;
}

.btn-block {
    width: 100%;
}

.search-form {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 24px;
}

.search-form input[type="search"] {
    flex: 1 1 220px;
    min-width: 0;
}

input[type="text"],
input[type="search"],
input[type="password"],
textarea {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: 10px;
    font: inherit;
    background: #fff;
    color: var(--text);
}

textarea {
    resize: vertical;
    min-height: 320px;
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    font-size: 0.92rem;
    line-height: 1.5;
}

label span {
    display: block;
    margin-bottom: 6px;
    font-weight: 600;
    font-size: 0.9rem;
}

.category-block {
    margin-top: 24px;
}

.category-title {
    margin: 0 0 10px;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--muted);
}

.page-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 10px;
}

.page-card {
    display: block;
    padding: 14px 16px;
    border: 1px solid var(--border);
    border-radius: 12px;
    text-decoration: none;
    color: inherit;
    transition: border-color 0.15s, box-shadow 0.15s;
}

.page-card:hover {
    border-color: rgba(180, 83, 9, 0.35);
    box-shadow: 0 4px 16px rgba(44, 36, 22, 0.06);
}

.page-card-title {
    display: block;
    font-weight: 700;
    margin-bottom: 4px;
}

.page-card-excerpt,
.page-card-meta {
    display: block;
    font-size: 0.9rem;
    color: var(--muted);
}

.page-card-meta {
    margin-top: 6px;
    font-size: 0.8rem;
}

.empty-state {
    text-align: center;
    padding: 32px 12px;
}

.article-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 20px;
}

.toolbar-actions {
    display: flex;
    gap: 8px;
    align-items: center;
}

.inline-form {
    display: inline;
    margin: 0;
}

.article-category {
    margin: 0 0 6px;
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--primary);
}

.article-meta {
    margin: 0;
    font-size: 0.9rem;
}

.wiki-content.prose h1,
.wiki-content.prose h2,
.wiki-content.prose h3 {
    line-height: 1.25;
    margin-top: 1.4em;
    margin-bottom: 0.5em;
}

.wiki-content.prose h1:first-child {
    margin-top: 0;
}

.wiki-content.prose pre {
    background: var(--code-bg);
    padding: 14px;
    border-radius: 10px;
    overflow-x: auto;
}

.wiki-content.prose code {
    background: var(--code-bg);
}

.wiki-content.prose pre code {
    background: transparent;
    padding: 0;
}

.wiki-content.prose blockquote {
    margin: 1em 0;
    padding-left: 1em;
    border-left: 4px solid var(--bg-accent);
    color: var(--muted);
}

.wiki-content.prose ul,
.wiki-content.prose ol {
    padding-left: 1.4em;
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 16px;
}

.form-grid .span-2 {
    grid-column: 1 / -1;
}

.editor-tabs {
    display: flex;
    gap: 6px;
    margin-bottom: 10px;
}

.tab {
    border: 1px solid var(--border);
    background: var(--bg);
    padding: 8px 14px;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
}

.tab.active {
    background: var(--panel);
    border-color: rgba(180, 83, 9, 0.4);
}

.editor-pane {
    display: none;
}

.editor-pane.active {
    display: block;
}

.form-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-top: 16px;
}

.auth-page {
    display: grid;
    place-items: center;
    padding: 24px;
}

.auth-card {
    width: min(100%, 420px);
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 32px;
}

.brand {
    text-align: center;
    margin-bottom: 24px;
}

.brand-icon {
    font-size: 2.5rem;
    margin-bottom: 8px;
}

.brand h1 {
    margin: 0 0 8px;
}

.login-form label {
    display: block;
    margin-bottom: 14px;
}

.auth-hint {
    margin-top: 18px;
    font-size: 0.85rem;
    text-align: center;
}

.alert {
    padding: 12px 14px;
    border-radius: 10px;
    margin-bottom: 16px;
}

.alert-error {
    background: #fef2f2;
    color: #991b1b;
    border: 1px solid #fecaca;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

@media (max-width: 640px) {
    .form-grid {
        grid-template-columns: 1fr;
    }
}

.page-ref-section,
.prompt-section,
.page-ref-view,
.prompt-view-section,
.wiki-notes {
    margin-top: 28px;
    padding-top: 24px;
    border-top: 1px solid var(--border);
}

.prompt-section-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 14px;
}

.prompt-section-header h2,
.page-ref-section h2,
.page-ref-view h2,
.prompt-view-section h2,
.wiki-notes h2 {
    margin: 0 0 6px;
    font-size: 1.2rem;
}

.prompt-list,
.prompt-view-list {
    display: grid;
    gap: 14px;
}

.prompt-card,
.prompt-view-card {
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 16px;
    background: #fffefb;
}

.prompt-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    margin-bottom: 12px;
}

.prompt-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
}

.prompt-grid .span-2 {
    grid-column: 1 / -1;
}

.field-label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    font-size: 0.9rem;
}

.ref-upload-block,
.page-ref-section .ref-actions {
    margin-top: 4px;
}

.ref-preview-wrap {
    margin-bottom: 10px;
}

.ref-preview {
    display: block;
    max-width: 280px;
    width: 100%;
    height: auto;
    border-radius: 10px;
    border: 1px solid var(--border);
    background: var(--code-bg);
}

.ref-preview-large {
    max-width: 420px;
}

.ref-preview-empty {
    display: grid;
    place-items: center;
    min-height: 120px;
    max-width: 280px;
    color: var(--muted);
    font-size: 0.9rem;
    text-align: center;
    padding: 16px;
}

.ref-actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    align-items: center;
}

.ref-actions label.btn {
    cursor: pointer;
}

.prompt-view-card h3 {
    margin: 0 0 10px;
    font-size: 1.05rem;
}

.prompt-block {
    margin-top: 10px;
}

.prompt-label {
    margin: 0 0 4px;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--muted);
}

.prompt-text {
    margin: 0;
    padding: 12px;
    border-radius: 10px;
    background: var(--code-bg);
    white-space: pre-wrap;
    word-break: break-word;
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    font-size: 0.88rem;
    line-height: 1.45;
}

.prompt-notes {
    margin: 10px 0 0;
    font-size: 0.9rem;
}

@media (max-width: 640px) {
    .prompt-grid {
        grid-template-columns: 1fr;
    }
}