:root {
  --bg: #f4f5fa;
  --bg-2: #ffffff;
  --card: rgba(255, 255, 255, 0.78);
  --border: rgba(20, 24, 40, 0.10);
  --text: #171a26;
  --muted: #6b7080;
  --accent: #7c6ef0;
  --accent-2: #5b4fd6;
  --danger: #e5484d;
  --ok: #10b981;
  --radius: 14px;
  --shadow: 0 8px 30px rgba(20, 24, 40, 0.06);
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1117;
    --bg-2: #171a24;
    --card: rgba(23, 26, 36, 0.78);
    --border: rgba(255, 255, 255, 0.09);
    --text: #e8e9f0;
    --muted: #8b90a3;
    --shadow: 0 8px 30px rgba(0, 0, 0, 0.35);
  }
}
* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body {
  font-family: "Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont, system-ui, "Segoe UI", Roboto, "Apple SD Gothic Neo", "Noto Sans KR", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
}
body::before {
  content: ""; position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background:
    radial-gradient(60vw 40vh at 10% 0%, rgba(124, 110, 240, 0.18), transparent 60%),
    radial-gradient(50vw 40vh at 100% 20%, rgba(16, 185, 129, 0.12), transparent 60%),
    radial-gradient(40vw 30vh at 50% 100%, rgba(255, 5, 88, 0.08), transparent 60%);
}
.hidden { display: none !important; }
.muted { color: var(--muted); }
.small { font-size: 13px; }
.tiny { width: 64px !important; }
.grow { flex: 1; min-width: 0; }
code { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 12.5px; background: rgba(124,110,240,0.10); padding: 2px 6px; border-radius: 6px; word-break: break-all; }
h1 { font-size: 22px; margin: 0 0 4px; letter-spacing: -0.01em; }
a { color: var(--accent); }

/* ── 버튼 / 입력 ── */
.btn {
  appearance: none; border: 1px solid var(--border); background: var(--bg-2); color: var(--text);
  padding: 8px 14px; border-radius: 10px; font: inherit; font-weight: 600; cursor: pointer;
  transition: transform .08s ease, background .15s ease, opacity .15s ease;
  white-space: nowrap; flex: none; line-height: 1.3;
}
.btn:hover { background: rgba(124,110,240,0.08); }
.btn:active { transform: translateY(1px); }
.btn.primary { background: var(--accent); border-color: transparent; color: #fff; }
.btn.primary:hover { background: var(--accent-2); }
.btn.danger { color: var(--danger); }
.btn.danger:hover { background: rgba(229,72,77,0.10); }
.btn.ghost { background: transparent; border-color: transparent; }
.btn.small { padding: 5px 10px; font-size: 13px; }
.btn:disabled { opacity: .5; cursor: default; }
input, select, textarea {
  font: inherit; color: var(--text); background: var(--bg-2); border: 1px solid var(--border);
  border-radius: 10px; padding: 9px 12px; width: 100%; outline: none;
}
input:focus, select:focus, textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(124,110,240,0.18); }
textarea { resize: vertical; line-height: 1.6; font-family: inherit; }
label { display: block; font-size: 13px; color: var(--muted); font-weight: 600; }
label > input, label > select, label > textarea { margin-top: 5px; font-weight: 400; color: var(--text); }
label.check { display: inline-flex; align-items: center; gap: 6px; font-weight: 500; color: var(--text); white-space: nowrap; }
label.check input { width: auto; margin: 0; }
.stack { display: grid; gap: 12px; }
.row { display: flex; gap: 10px; align-items: center; }
.row > input, .row > select { flex: 1; min-width: 0; }
.row.end { justify-content: flex-end; }
.row.between { justify-content: space-between; align-items: flex-start; }
.row.wrap { flex-wrap: wrap; }
.msg { min-height: 1.4em; font-size: 13px; color: var(--danger); margin: 8px 0 0; }
.msg.ok { color: var(--ok); }

/* ── 인증 화면 ── */
.auth { min-height: 100vh; display: grid; place-items: center; padding: 24px 16px; }
.auth-card { width: min(420px, 100%); background: var(--card); backdrop-filter: blur(14px); border: 1px solid var(--border); border-radius: 20px; padding: 28px; box-shadow: var(--shadow); }
.auth-card .muted { margin: 4px 0 18px; }
.brand { display: inline-flex; align-items: center; gap: 8px; font-weight: 800; font-size: 18px; letter-spacing: -0.02em; }
.brand .dot { width: 12px; height: 12px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 4px rgba(124,110,240,0.22); }
.tabs { display: flex; gap: 4px; background: rgba(124,110,240,0.08); padding: 4px; border-radius: 12px; margin-bottom: 16px; }
.tab { flex: 1; border: 0; background: transparent; padding: 8px; border-radius: 9px; font: inherit; font-weight: 600; color: var(--muted); cursor: pointer; }
.tab.active { background: var(--bg-2); color: var(--text); box-shadow: 0 1px 4px rgba(0,0,0,0.08); }

/* ── 앱 레이아웃 ── */
.topbar {
  position: sticky; top: 0; z-index: 10; display: flex; align-items: center; gap: 16px;
  padding: 10px 16px; background: var(--card); backdrop-filter: blur(14px); border-bottom: 1px solid var(--border);
}
.nav { display: flex; gap: 2px; flex: 1; overflow-x: auto; scrollbar-width: none; }
.nav::-webkit-scrollbar { display: none; }
.nav button { border: 0; background: transparent; color: var(--muted); font: inherit; font-weight: 600; padding: 7px 12px; border-radius: 9px; cursor: pointer; white-space: nowrap; }
.nav button:hover { color: var(--text); background: rgba(124,110,240,0.08); }
.nav button.active { color: var(--accent); background: rgba(124,110,240,0.14); }
.user { display: flex; align-items: center; gap: 8px; white-space: nowrap; }
.main { max-width: 1180px; margin: 0 auto; padding: 24px 16px 80px; }
.view { display: none; }
.view.active { display: block; }
.view-head { margin-bottom: 16px; }
.view-head p { margin: 0; }
.grid-2 { display: grid; grid-template-columns: 1.4fr 1fr; gap: 16px; }
@media (max-width: 860px) { .grid-2 { grid-template-columns: 1fr; } .topbar { flex-wrap: wrap; } .nav { order: 3; width: 100%; } }

.card { background: var(--card); backdrop-filter: blur(14px); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; box-shadow: var(--shadow); margin-bottom: 16px; }
.card-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px; }
.toolbar { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.toolbar input[type=search] { flex: 2; min-width: 180px; }
.toolbar select, .toolbar input[type=text] { flex: 1; min-width: 120px; width: auto; }

/* ── 리스트/카드 ── */
.cards { display: grid; gap: 10px; }
.item { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 14px 16px; }
.item.pinned { border-color: rgba(124,110,240,0.5); }
.item.deleted { opacity: .6; }
.item .head { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; margin-bottom: 6px; }
.item .body { white-space: pre-wrap; word-break: break-word; }
.item .foot { display: flex; gap: 6px; justify-content: flex-end; margin-top: 8px; flex-wrap: wrap; }
.item .title { font-weight: 700; }
.chip { display: inline-block; font-size: 12px; padding: 2px 8px; border-radius: 999px; background: rgba(124,110,240,0.12); color: var(--accent-2); font-weight: 600; }
@media (prefers-color-scheme: dark) { .chip { color: #b8b0ff; } }
.chip.kind-preference { background: rgba(16,185,129,0.14); color: #0c8f66; }
.chip.kind-decision { background: rgba(255,5,88,0.12); color: #c8134a; }
.chip.kind-project { background: rgba(14,165,233,0.14); color: #0b7fb5; }
.chip.kind-event { background: rgba(245,158,11,0.16); color: #b26a00; }
.chip.kind-other, .chip.src { background: rgba(107,112,128,0.14); color: var(--muted); }
.chip.tag { background: transparent; border: 1px solid var(--border); color: var(--muted); font-weight: 500; }
.stars { color: var(--accent); letter-spacing: 1px; font-size: 12px; }
.list { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.list li { display: flex; gap: 10px; align-items: center; justify-content: space-between; padding: 10px 12px; border: 1px solid var(--border); border-radius: 10px; background: var(--bg-2); }
.list.compact li { padding: 8px 10px; font-size: 13px; }
.list li .grow { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.empty { color: var(--muted); text-align: center; padding: 28px 0; }
#tokenList, #inviteList { margin-top: 16px; }
#tokenNew { margin: 16px 0 0; }
.token-new { background: rgba(16,185,129,0.10); border: 1px solid rgba(16,185,129,0.35); border-radius: 10px; padding: 12px; margin: 12px 0; }
.token-new code { background: var(--bg-2); padding: 8px 10px; display: block; }

/* ── 표 ── */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--border); white-space: nowrap; }
th { color: var(--muted); font-weight: 600; font-size: 12.5px; }
td .btn { margin-right: 4px; }
.badge { font-size: 12px; padding: 2px 8px; border-radius: 999px; font-weight: 600; }
.badge.active { background: rgba(16,185,129,0.14); color: #0c8f66; }
.badge.suspended { background: rgba(229,72,77,0.14); color: var(--danger); }
.badge.admin { background: rgba(124,110,240,0.14); color: var(--accent-2); }

/* ── 모달 / 토스트 ── */
.modal { position: fixed; inset: 0; z-index: 50; background: rgba(10,12,20,0.45); display: grid; place-items: center; padding: 16px; }
.modal-card { width: min(640px, 100%); max-height: 90vh; overflow: auto; background: var(--bg-2); border: 1px solid var(--border); border-radius: 18px; padding: 20px; box-shadow: var(--shadow); }
.toast { position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%); z-index: 60; background: var(--text); color: var(--bg); padding: 10px 16px; border-radius: 12px; font-weight: 600; font-size: 14px; box-shadow: var(--shadow); }
.toast.error { background: var(--danger); color: #fff; }

/* ── Toast UI Editor 를 앱 톤에 맞춤 ── */
#docEditor .toastui-editor-defaultUI { border: 1px solid var(--border); border-radius: 12px; overflow: hidden; background: var(--bg-2); font-family: inherit; }
#docEditor .toastui-editor-defaultUI-toolbar { background: rgba(124,110,240,0.06); border-bottom: 1px solid var(--border); }
#docEditor .toastui-editor-contents, .doc-viewer .toastui-editor-contents { font-family: inherit; font-size: 15px; line-height: 1.7; color: var(--text); }
#docEditor .toastui-editor-contents h1, .doc-viewer .toastui-editor-contents h1 { font-size: 22px; border-bottom: 1px solid var(--border); }
#docEditor .toastui-editor-contents h2, .doc-viewer .toastui-editor-contents h2 { font-size: 18px; border-bottom: 0; }
#docEditor .toastui-editor-contents p, #docEditor .toastui-editor-contents li, .doc-viewer .toastui-editor-contents p, .doc-viewer .toastui-editor-contents li { color: var(--text); }
#docEditor .toastui-editor-mode-switch { background: transparent; border-top: 1px solid var(--border); }
.doc-viewer { padding: 4px 6px; }

/* ── 시작하기 ── */
.step { display: grid; grid-template-columns: 36px 1fr; gap: 14px; }
.step .num { width: 32px; height: 32px; border-radius: 50%; display: grid; place-items: center; font-weight: 800; background: rgba(124,110,240,0.14); color: var(--accent-2); }
.step.done .num { background: var(--ok); color: #fff; }
.step .title { font-size: 16px; }
.step .desc { color: var(--muted); margin: 2px 0 8px; }
.step .actions { display: flex; gap: 8px; flex-wrap: wrap; }
.step details { margin-top: 8px; }
.step summary { cursor: pointer; font-weight: 600; color: var(--accent-2); }
.step details > div { margin-top: 8px; padding: 10px 12px; border: 1px solid var(--border); border-radius: 10px; background: var(--bg-2); font-size: 14px; }
.step details p { margin: 6px 0; }