:root {
    --bg: #0f1117;
    --panel: #171a21;
    --panel-2: #1e222c;
    --border: #2a2f3a;
    --text: #e6e9ef;
    --muted: #9aa4b2;
    --accent: #f59e0b;          /* amber — Oolong accent */
    --accent-dim: #3a2a08;
    --gold: #fbbf24;
    --blue: #38bdf8;
}

* { box-sizing: border-box; }

html, body {
    margin: 0; padding: 0; height: 100%;
    background: var(--bg); color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    font-size: 14px;
}

.app-shell { display: flex; height: 100vh; overflow: hidden; }

/* ---------- Sidebar ---------- */
.app-sidebar {
    width: 340px; min-width: 340px;
    background: var(--panel); border-right: 1px solid var(--border);
    display: flex; flex-direction: column; overflow-y: auto; padding: 18px 16px;
}
.app-sidebar header h1 { margin: 0; font-size: 22px; letter-spacing: -0.02em; }
.subtitle { margin: 4px 0 0; color: var(--muted); font-size: 12px; }
.controls { margin-top: 18px; display: flex; flex-direction: column; gap: 16px; }
.sidebar-label { font-size: 11px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted); margin-bottom: 6px; }

.view-toggle { display: flex; gap: 6px; }
.view-toggle button {
    flex: 1; padding: 8px 10px; background: var(--panel-2); border: 1px solid var(--border);
    color: var(--muted); border-radius: 8px; cursor: pointer; font-size: 13px; font-weight: 600; transition: all 0.12s;
}
.view-toggle button:hover { color: var(--text); border-color: #3a4150; }
.view-toggle button.active { background: var(--accent-dim); color: var(--accent); border-color: var(--accent); }

.search-box { display: flex; flex-direction: column; gap: 8px; }
input[type="text"], select, button { font-family: inherit; font-size: 13px; }
input[type="text"], select {
    width: 100%; padding: 8px 10px; background: var(--panel-2); border: 1px solid var(--border);
    color: var(--text); border-radius: 8px; outline: none;
}
input[type="text"]:focus, select:focus { border-color: var(--accent); }
select option { background: var(--panel-2); color: var(--text); }
#docSelect, #questionSelect { max-width: 100%; text-overflow: ellipsis; }
.set-select { font-weight: 600; }
#facetFilters { display: flex; flex-direction: column; gap: 8px; }

.nav-controls { display: flex; align-items: center; gap: 8px; }
.nav-controls button {
    flex: 1; padding: 8px 10px; background: var(--panel-2); border: 1px solid var(--border);
    color: var(--text); border-radius: 8px; cursor: pointer; transition: all 0.12s;
}
.nav-controls button:hover { border-color: var(--accent); color: var(--accent); }
#corpusCounter, #evalCounter { font-variant-numeric: tabular-nums; color: var(--muted); font-size: 12px; min-width: 64px; text-align: center; }

.sidebar-footer { margin-top: auto; padding-top: 16px; border-top: 1px solid var(--border); color: var(--muted); font-size: 11px; line-height: 1.6; }
.sidebar-footer a { color: var(--blue); text-decoration: none; }
.sidebar-footer a:hover { text-decoration: underline; }

/* ---------- Main panel ---------- */
.app-main { flex: 1; overflow-y: auto; padding: 24px 28px; display: flex; flex-direction: column; }
#loading { color: var(--muted); padding: 40px; text-align: center; }

/* ---------- Corpus view ---------- */
#corpusView { display: flex; flex-direction: column; flex: 1; min-height: 0; }
.doc-meta-card { background: var(--panel); border: 1px solid var(--border); border-radius: 12px; padding: 16px 20px; margin-bottom: 16px; }
.doc-meta-card h2 { margin: 0 0 12px; font-size: 18px; word-break: break-word; }
.meta-grid { display: flex; flex-wrap: wrap; gap: 8px 10px; align-items: center; }
.meta-pill { background: var(--panel-2); border: 1px solid var(--border); border-radius: 999px; padding: 4px 12px; font-size: 12px; color: var(--muted); }
.meta-pill b { color: var(--text); font-weight: 600; }
.meta-pill.warn { color: var(--accent); border-color: var(--accent); }
.doc-content {
    flex: 1; min-height: 320px; overflow: auto; background: #12151c; border: 1px solid var(--border);
    border-radius: 12px; padding: 20px 24px; line-height: 1.6; white-space: pre-wrap;
    font-family: "SFMono-Regular", ui-monospace, Menlo, Consolas, monospace; font-size: 12.5px;
}

/* ---------- Eval view ---------- */
#evalView { flex: 1; }
.card { background: var(--panel); border: 1px solid var(--border); border-radius: 12px; padding: 22px 26px; max-width: 1000px; }
.badges { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 12px; }
.badge { font-size: 11px; font-weight: 600; padding: 3px 10px; border-radius: 999px; background: var(--panel-2); border: 1px solid var(--border); color: var(--muted); }
.badge.id { color: var(--accent); border-color: var(--accent); }
.badge.set { color: var(--blue); border-color: var(--blue); }
.card h2 { margin: 0 0 18px; font-size: 20px; line-height: 1.4; }
.answer-banner { background: var(--accent-dim); border: 1px solid var(--accent); border-radius: 10px; padding: 12px 16px; margin-bottom: 18px; }
.answer-banner .lbl { color: var(--accent); font-size: 11px; text-transform: uppercase; letter-spacing: 0.08em; }
.answer-banner .val { font-size: 16px; font-weight: 600; margin-top: 6px; white-space: pre-wrap; }
.answer-banner .empty-answer { color: var(--muted); font-weight: 500; font-style: italic; }

.field { margin-bottom: 14px; }
.field .lbl { font-size: 11px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted); margin-bottom: 5px; }
.field .val { line-height: 1.7; white-space: pre-wrap; }
.meta-table { display: grid; grid-template-columns: max-content 1fr; gap: 4px 16px; }
.meta-table .mk { color: var(--muted); }
.meta-table .mv { color: var(--text); }
a.doclink {
    color: var(--blue); text-decoration: none; cursor: pointer; background: var(--panel-2);
    border: 1px solid var(--border); border-radius: 8px; padding: 6px 12px; font-size: 13px; display: inline-block;
}
a.doclink:hover { border-color: var(--blue); }
a.doclink.missing { color: var(--muted); cursor: default; }

.empty { color: var(--muted); padding: 40px; text-align: center; }