:root {
  --bg: #f5f6f8;
  --panel: #ffffff;
  --panel-2: #f0f2f5;
  --line: #e2e5ea;
  --text: #16191f;
  --muted: #6b7280;
  --accent: #2f5bea;
  --accent-ink: #ffffff;
  --up: #d6283b;          /* 상승 = 빨강 (한국 관례) */
  --down: #1f5fd6;        /* 하락 = 파랑 */
  --ok: #138a4b;
  --warn: #b7791f;
  --danger: #c81e3a;
  --danger-bg: #fdecef;
  --warn-bg: #fdf5e6;
  --ok-bg: #e8f6ee;
  --radius: 12px;
  --shadow: 0 1px 2px rgba(16, 24, 40, .06), 0 1px 3px rgba(16, 24, 40, .08);
  --mono: ui-monospace, "SF Mono", "Cascadia Mono", Consolas, monospace;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1216;
    --panel: #171b21;
    --panel-2: #1e232b;
    --line: #2a3039;
    --text: #e8eaed;
    --muted: #9aa3ae;
    --accent: #6d8dff;
    --accent-ink: #0f1216;
    --up: #ff5b6b;
    --down: #5b8dff;
    --ok: #3ccf82;
    --warn: #f0b44c;
    --danger: #ff5b6b;
    --danger-bg: #3a1a20;
    --warn-bg: #3a2e16;
    --ok-bg: #16301f;
    --shadow: none;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font: 14px/1.5 -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Malgun Gothic", "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
}
button, input, select { font: inherit; color: inherit; }
a { color: var(--accent); }
.num { font-variant-numeric: tabular-nums; }
.mono { font-family: var(--mono); font-size: 12.5px; }
.muted { color: var(--muted); }
.up { color: var(--up); }
.down { color: var(--down); }
.hidden { display: none !important; }

/* ── 상단 바 ── */
header.top {
  position: sticky; top: 0; z-index: 20;
  background: var(--panel);
  border-bottom: 1px solid var(--line);
}
.top-inner {
  max-width: 1200px; margin: 0 auto; padding: 10px 16px;
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
}
.brand { font-weight: 700; font-size: 16px; letter-spacing: -.01em; margin-right: auto; display: flex; align-items: center; gap: 8px; }
.brand small { font-weight: 500; color: var(--muted); font-size: 12px; }
.badges { display: flex; gap: 6px; flex-wrap: wrap; }
.badge {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 3px 9px; border-radius: 999px; font-size: 12px; font-weight: 600;
  background: var(--panel-2); color: var(--muted); border: 1px solid var(--line);
}
.badge .dot { width: 7px; height: 7px; border-radius: 50%; background: currentColor; }
.badge.real { background: var(--danger); color: #fff; border-color: transparent; }
.badge.ok { background: var(--ok-bg); color: var(--ok); border-color: transparent; }
.badge.warn { background: var(--warn-bg); color: var(--warn); border-color: transparent; }
.badge.bad { background: var(--danger-bg); color: var(--danger); border-color: transparent; }

nav.tabs {
  max-width: 1200px; margin: 0 auto; padding: 0 12px;
  display: flex; gap: 2px; overflow-x: auto; scrollbar-width: none;
}
nav.tabs::-webkit-scrollbar { display: none; }
nav.tabs button {
  border: 0; background: none; padding: 10px 12px; cursor: pointer;
  color: var(--muted); font-weight: 600; white-space: nowrap;
  border-bottom: 2px solid transparent;
}
nav.tabs button.active { color: var(--text); border-bottom-color: var(--accent); }

main { max-width: 1200px; margin: 0 auto; padding: 16px; }
section.tab { display: none; }
section.tab.active { display: block; }

/* ── 알림 배너 ── */
.banner {
  border-radius: var(--radius); padding: 10px 14px; margin-bottom: 12px;
  display: flex; gap: 10px; align-items: center; flex-wrap: wrap; font-weight: 600;
}
.banner.bad { background: var(--danger-bg); color: var(--danger); }
.banner.warn { background: var(--warn-bg); color: var(--warn); }
.banner .grow { flex: 1; min-width: 160px; }

/* ── 카드 ── */
.grid { display: grid; gap: 12px; }
.kpis { grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); margin-bottom: 12px; }
.card {
  background: var(--panel); border: 1px solid var(--line);
  border-radius: var(--radius); box-shadow: var(--shadow); padding: 14px 16px;
}
.card h3 { margin: 0 0 10px; font-size: 13px; color: var(--muted); font-weight: 600; display: flex; align-items: center; gap: 8px; }
.card h3 .right { margin-left: auto; font-weight: 500; }
.kpi .label { font-size: 12px; color: var(--muted); }
.kpi .value { font-size: 20px; font-weight: 700; letter-spacing: -.01em; margin-top: 2px; }
.kpi .sub { font-size: 12px; color: var(--muted); margin-top: 2px; }
.two { grid-template-columns: 2fr 1fr; }
@media (max-width: 860px) { .two { grid-template-columns: 1fr; } }
.chart-box { position: relative; height: 240px; }

.kv { display: grid; grid-template-columns: auto 1fr; gap: 6px 12px; font-size: 13px; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; text-align: right; }

/* ── 버튼 ── */
.btn {
  border: 1px solid var(--line); background: var(--panel); padding: 7px 12px;
  border-radius: 8px; cursor: pointer; font-weight: 600; font-size: 13px;
  display: inline-flex; align-items: center; gap: 6px; min-height: 34px;
}
.btn:hover { background: var(--panel-2); }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn.primary { background: var(--accent); color: var(--accent-ink); border-color: transparent; }
.btn.danger { background: var(--danger); color: #fff; border-color: transparent; }
.btn.ghost-danger { color: var(--danger); border-color: var(--danger); background: transparent; }
.btn.sm { padding: 3px 9px; min-height: 28px; font-size: 12px; }
.btn-row { display: flex; gap: 8px; flex-wrap: wrap; }

/* ── 표 ── */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { padding: 8px 10px; border-bottom: 1px solid var(--line); text-align: left; white-space: nowrap; }
th { color: var(--muted); font-weight: 600; font-size: 12px; position: sticky; top: 0; background: var(--panel); }
td.r, th.r { text-align: right; }
tr:last-child td { border-bottom: 0; }
tbody tr:hover { background: var(--panel-2); }
.name-cell b { font-weight: 600; }
.name-cell .mono { color: var(--muted); margin-left: 6px; }
.tag { display: inline-block; font-size: 11px; font-weight: 700; padding: 1px 6px; border-radius: 4px; }
.tag.trail { background: var(--ok-bg); color: var(--ok); }
.tag.alert { background: var(--danger-bg); color: var(--danger); }
.tag.ext { background: var(--panel-2); color: var(--muted); }
.tag.buy { background: var(--danger-bg); color: var(--up); }
.tag.sell { background: #e8effd; color: var(--down); }
@media (prefers-color-scheme: dark) { .tag.sell { background: #16233d; } }
.empty { text-align: center; color: var(--muted); padding: 28px 0; }

/* 모바일: 보유종목 표 → 카드 */
@media (max-width: 640px) {
  table.cards thead { display: none; }
  table.cards tr { display: grid; grid-template-columns: 1fr auto; gap: 2px 10px; padding: 10px 0; border-bottom: 1px solid var(--line); }
  table.cards td { border: 0; padding: 0; white-space: normal; }
  table.cards td[data-l]::before { content: attr(data-l) " "; color: var(--muted); font-size: 11px; }
  table.cards td.r { text-align: right; }
  table.cards td.full { grid-column: 1 / -1; }
}

/* ── 폼 ── */
.field { display: grid; grid-template-columns: 1fr 160px; gap: 10px; align-items: center; padding: 9px 0; border-bottom: 1px solid var(--line); }
.field:last-child { border-bottom: 0; }
.field label { font-weight: 600; font-size: 13px; }
.field .help { display: block; font-weight: 400; font-size: 12px; color: var(--muted); }
.field .danger-mark { color: var(--danger); font-size: 11px; margin-left: 4px; }
.field.changed label { color: var(--accent); }
input[type=text], input[type=number], input[type=password], input[type=time], select {
  width: 100%; padding: 7px 10px; border: 1px solid var(--line); border-radius: 8px;
  background: var(--panel); min-height: 34px;
}
input:focus, select:focus, .btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }
.switch { justify-self: end; width: 44px; height: 24px; position: relative; }
.switch input { opacity: 0; width: 0; height: 0; }
.switch span { position: absolute; inset: 0; background: var(--line); border-radius: 999px; cursor: pointer; transition: .15s; }
.switch span::after { content: ""; position: absolute; width: 18px; height: 18px; left: 3px; top: 3px; background: #fff; border-radius: 50%; transition: .15s; }
.switch input:checked + span { background: var(--accent); }
.switch input:checked + span::after { transform: translateX(20px); }
@media (max-width: 520px) { .field { grid-template-columns: 1fr 136px; } }
.settings-grid { grid-template-columns: repeat(auto-fit, minmax(340px, 1fr)); }
@media (max-width: 400px) { .settings-grid { grid-template-columns: 1fr; } }
.savebar {
  position: sticky; bottom: 0; margin-top: 12px; padding: 10px 14px;
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  display: flex; gap: 10px; align-items: center; box-shadow: var(--shadow);
}
.savebar .grow { flex: 1; }

.toolbar { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; margin-bottom: 10px; }
.toolbar input, .toolbar select { width: auto; min-width: 120px; }
.toolbar .grow { flex: 1; }

/* ── 로그 ── */
.log { font-family: var(--mono); font-size: 12px; line-height: 1.55; }
.log div { padding: 2px 0; border-bottom: 1px dashed var(--line); word-break: break-all; }
.log .ts { color: var(--muted); margin-right: 8px; }
.log .WARNING { color: var(--warn); }
.log .ERROR { color: var(--danger); }

/* ── 모달 ── */
.modal-bg { position: fixed; inset: 0; background: rgba(0,0,0,.45); display: flex; align-items: center; justify-content: center; z-index: 50; padding: 16px; }
.modal { background: var(--panel); border-radius: var(--radius); padding: 18px; width: 100%; max-width: 420px; border: 1px solid var(--line); }
.modal h4 { margin: 0 0 8px; font-size: 16px; }
.modal p { margin: 0 0 12px; color: var(--muted); white-space: pre-line; }
.modal .inputs { display: grid; gap: 8px; margin-bottom: 14px; }
.modal .btn-row { justify-content: flex-end; }

.toast { position: fixed; bottom: 16px; left: 50%; transform: translateX(-50%); background: var(--text); color: var(--bg); padding: 9px 16px; border-radius: 10px; z-index: 60; font-weight: 600; max-width: calc(100% - 32px); }
.toast.err { background: var(--danger); color: #fff; }

/* ── 로그인 ── */
.login-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 16px; }
.login { width: 100%; max-width: 360px; }
.login h1 { font-size: 20px; margin: 0 0 4px; }
.login form { display: grid; gap: 10px; margin-top: 16px; }
.login .err { color: var(--danger); font-size: 13px; min-height: 18px; }
.login .problems { background: var(--warn-bg); color: var(--warn); border-radius: 8px; padding: 10px 12px; font-size: 12.5px; }