*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #0f1117;
  --surface: #1a1d27;
  --border: #2a2d3e;
  --text: #e2e8f0;
  --muted: #64748b;
  --accent: #6366f1;
  --accent-h: #818cf8;
  --success: #22c55e;
  --warn: #f59e0b;
  --err: #ef4444;
  --mono: "SF Mono", "Fira Code", monospace;
}

body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; background: var(--bg); color: var(--text); height: 100vh; }

/* Layout */
.layout { display: flex; height: 100vh; }
.content { flex: 1; overflow-y: auto; padding: 2rem; max-width: 860px; }

/* Sidebar */
.sidebar { width: 210px; background: var(--surface); border-right: 1px solid var(--border); display: flex; flex-direction: column; padding: 1.5rem 0; flex-shrink: 0; }
.sidebar-title { padding: 0 1.25rem 1.25rem; font-weight: 600; font-size: 0.9rem; border-bottom: 1px solid var(--border); margin-bottom: 1rem; }
.nav-list { list-style: none; padding: 0 0.75rem; }
.nav-list li { margin-bottom: 0.2rem; }
a.nav-item { display: block; padding: 0.45rem 0.75rem; border-radius: 6px; text-decoration: none; color: var(--muted); font-size: 0.85rem; transition: background 0.12s, color 0.12s; }
a.nav-item:hover { background: var(--border); color: var(--text); }
a.nav-item.active { background: var(--accent); color: #fff; }
.nav-item-disabled { display: flex; align-items: center; gap: 0.4rem; padding: 0.45rem 0.75rem; color: var(--muted); font-size: 0.85rem; opacity: 0.4; }
.badge { margin-left: auto; font-size: 0.6rem; background: var(--border); padding: 0.1rem 0.3rem; border-radius: 3px; }

/* Page header */
.page-header { display: flex; align-items: center; gap: 1rem; margin-bottom: 1.75rem; flex-wrap: wrap; }
.page-header h1 { font-size: 1.4rem; font-weight: 600; }
.flash-success { background: rgba(34,197,94,.1); border: 1px solid rgba(34,197,94,.3); color: var(--success); padding: 0.4rem 0.9rem; border-radius: 6px; font-size: 0.82rem; }

/* Cards / settings groups */
.card { background: var(--surface); border: 1px solid var(--border); border-radius: 8px; padding: 1.4rem; margin-bottom: 1.25rem; }
.card h2 { font-size: 0.95rem; font-weight: 600; margin-bottom: 0.25rem; }
.card > p.hint { color: var(--muted); font-size: 0.78rem; margin-bottom: 1.1rem; }

/* Form */
label { display: flex; flex-direction: column; gap: 0.3rem; margin-bottom: 0.9rem; font-size: 0.82rem; color: var(--muted); }
label span.hint { font-size: 0.73rem; }
input[type="number"], input[type="text"], select { background: var(--bg); border: 1px solid var(--border); border-radius: 5px; color: var(--text); padding: 0.45rem 0.7rem; font-size: 0.83rem; width: 260px; }
input:focus, select:focus { outline: none; border-color: var(--accent); }
.form-actions { margin-top: 0.5rem; }
button { background: var(--accent); color: #fff; border: none; border-radius: 6px; padding: 0.55rem 1.4rem; font-size: 0.85rem; cursor: pointer; font-weight: 500; transition: background 0.12s; }
button:hover { background: var(--accent-h); }

/* Log viewer */
.log-controls { display: flex; gap: 0.6rem; align-items: center; margin-left: auto; }
.log-controls select { width: 120px; padding: 0.35rem 0.5rem; font-size: 0.78rem; }
.log-viewer { background: var(--surface); border: 1px solid var(--border); border-radius: 8px; padding: 1rem; font-family: var(--mono); font-size: 0.75rem; max-height: calc(100vh - 160px); overflow-y: auto; }
.log-line { padding: 0.12rem 0; color: var(--muted); line-height: 1.5; white-space: pre-wrap; word-break: break-all; }
.log-err { color: var(--err); }
.log-warn { color: var(--warn); }
.log-empty { color: var(--muted); font-style: italic; padding: 1rem 0; }

/* ── Markets table ───────────────────────────────────────────────── */
.header-actions { display: flex; align-items: center; gap: 1rem; margin-left: auto; flex-wrap: wrap; }
.table-controls { display: flex; align-items: center; gap: 1rem; margin-bottom: 0.85rem; flex-wrap: wrap; }
.table-controls input { background: var(--surface); border: 1px solid var(--border); border-radius: 5px; color: var(--text); padding: 0.45rem 0.7rem; font-size: 0.83rem; width: 280px; }
.table-controls input:focus { outline: none; border-color: var(--accent); }
.table-wrap { background: var(--surface); border: 1px solid var(--border); border-radius: 8px; overflow: auto; max-height: calc(100vh - 200px); }
table { width: 100%; border-collapse: collapse; font-size: 0.82rem; }
thead { position: sticky; top: 0; background: var(--surface); z-index: 1; }
th { padding: 0.6rem 0.85rem; text-align: left; color: var(--muted); font-weight: 500; border-bottom: 1px solid var(--border); white-space: nowrap; }
td { padding: 0.5rem 0.85rem; border-bottom: 1px solid rgba(42,45,62,0.5); vertical-align: middle; }
tr:last-child td { border-bottom: none; }
tr:hover td { background: rgba(255,255,255,0.02); }
.question-cell { max-width: 380px; line-height: 1.4; }
.price { font-family: var(--mono); font-size: 0.8rem; white-space: nowrap; }
.price-high { color: var(--success); font-weight: 600; }
.tag { background: var(--border); padding: 0.1rem 0.4rem; border-radius: 3px; font-size: 0.73rem; color: var(--muted); white-space: nowrap; }
.muted-text { color: var(--muted); font-size: 0.8rem; }