:root { color-scheme: light; --ink: #17202a; --muted: #64717e; --line: #d9e0e7; --paper: #f6f8fa; --card: #fff; --accent: #2463eb; --danger: #b42318; --success: #16734a; --warning: #8a5a00; }
* { box-sizing: border-box; }
body { margin: 0; color: var(--ink); background: var(--paper); font: 16px/1.5 system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }
a { color: var(--accent); }
.site-header { background: #162333; color: #fff; }
.container { width: min(1120px, calc(100% - 32px)); margin: 0 auto; }
.header-inner { min-height: 64px; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.brand { color: #fff; font-weight: 750; text-decoration: none; letter-spacing: .02em; }
.nav { display: flex; align-items: center; flex-wrap: wrap; gap: 14px; font-size: .92rem; }
.nav a { color: #d8e5ff; text-decoration: none; }
.user-label { color: #b6c2d0; }
.main-content { padding: 40px 0 72px; }
.page-heading, .section-heading { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 22px; }
.section-heading { margin-top: 34px; margin-bottom: 12px; }
.section-heading h2, .page-heading h1 { margin: 0; }
.eyebrow { margin: 0 0 3px; color: var(--muted); font-size: .78rem; text-transform: uppercase; letter-spacing: .12em; font-weight: 700; }
h1 { font-size: clamp(1.8rem, 4vw, 2.6rem); line-height: 1.1; }
h2 { font-size: 1.3rem; }
h3 { font-size: 1rem; }
.muted, .meta { color: var(--muted); }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 22px; box-shadow: 0 3px 16px rgba(20, 38, 58, .04); }
.narrow { max-width: 560px; }
.form-wide { max-width: 800px; }
.form-narrow { max-width: 560px; }
.auth-card { max-width: 440px; margin: 8vh auto 0; }
.stack-form { display: grid; gap: 16px; }
label, legend { font-weight: 650; }
input, textarea, select { width: 100%; margin-top: 6px; padding: 10px 12px; border: 1px solid #bfc9d4; border-radius: 7px; background: #fff; color: var(--ink); font: inherit; }
textarea { resize: vertical; }
fieldset { border: 1px solid var(--line); border-radius: 8px; padding: 16px; display: grid; gap: 14px; }
.button-row { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; }
.button { display: inline-block; padding: 9px 14px; border: 1px solid #b8c3cf; border-radius: 7px; background: #fff; color: var(--ink); text-decoration: none; font: inherit; cursor: pointer; }
.button:hover { background: #f0f4f8; }
.button.primary { border-color: var(--accent); background: var(--accent); color: #fff; }
.button.danger { border-color: var(--danger); background: var(--danger); color: #fff; }
.button.small { padding: 5px 9px; font-size: .86rem; }
.link-button { border: 0; padding: 0; background: transparent; color: var(--accent); font: inherit; cursor: pointer; }
.nav .link-button { color: #d8e5ff; }
.inline-form { display: inline-flex; align-items: center; gap: 6px; }
.search-form { display: flex; gap: 8px; max-width: 620px; margin-bottom: 20px; }
.search-form input { margin: 0; }
.table-wrap { overflow-x: auto; padding: 0; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 14px 18px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
th { color: var(--muted); font-size: .8rem; text-transform: uppercase; letter-spacing: .06em; }
tr:last-child td { border-bottom: 0; }
.prose p { white-space: pre-wrap; }
.evidence-list { display: grid; gap: 12px; }
.evidence-card p, .evidence-detail p { white-space: pre-wrap; margin: 0 0 14px; }
.meta { font-size: .9rem; }
.metadata { display: grid; grid-template-columns: max-content 1fr; gap: 4px 14px; margin: 18px 0 0; border-top: 1px solid var(--line); padding-top: 14px; }
.metadata dt { font-weight: 700; color: var(--muted); }
.metadata dd { margin: 0; overflow-wrap: anywhere; }
.flash, .notice { margin-bottom: 20px; padding: 12px 14px; border: 1px solid var(--line); border-radius: 8px; background: #fff; }
.flash.success { border-color: #a7d9c0; color: var(--success); background: #f1fbf5; }
.flash.error, .notice.warning { border-color: #e8c6a1; color: var(--warning); background: #fff9ed; }
.empty { color: var(--muted); }
.danger-zone { margin-top: 32px; padding-top: 18px; border-top: 1px solid var(--line); }
.danger-text { color: var(--danger); }
.comparison { display: grid; grid-template-columns: 1fr auto 1fr; align-items: start; gap: 24px; max-width: 900px; }
.merge-summary { display: flex; flex-wrap: wrap; gap: 16px; max-width: 900px; margin-bottom: 20px; }
.split-parts { display: grid; gap: 14px; }
.split-part { margin: 0; }
.arrow { padding-top: 36px; color: var(--muted); font-size: 1.7rem; }
@media (max-width: 700px) { .header-inner, .page-heading, .section-heading { align-items: flex-start; flex-direction: column; } .nav { gap: 10px; } .comparison { grid-template-columns: 1fr; } .arrow { display: none; } .search-form { flex-direction: column; } th, td { padding: 11px; } }