/* ==========================================================================
   TradeInsight 랜딩
   원칙: 채도가 있는 색은 시장 구분에만 쓴다. 나머지는 잉크와 종이뿐.
   ========================================================================== */

:root {
  --paper:      #FCFCFA;
  --paper-sunk: #F4F4F1;
  --ink:        #14181C;
  --ink-soft:   #5A646E;
  --ink-faint:  #949CA4;
  --rule:       #E4E6E3;

  /* 시장 = 색. 이 세 가지가 페이지의 유일한 채도다. */
  --mk-binance: #C2571A;
  --mk-krx:     #1F6F5C;
  --mk-us:      #3A4E9B;

  --sans: "IBM Plex Sans KR", system-ui, -apple-system, sans-serif;
  --serif: "Gowun Batang", Georgia, serif;
  --mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", monospace;

  --gap: clamp(16px, 4vw, 28px);
  --maxw: 940px;
  --radius: 14px;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-weight: 400;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; border: none; background: none; }

/* ── 상단바 ─────────────────────────────────────────────── */
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px;
  padding: 18px var(--gap);
  max-width: var(--maxw); margin: 0 auto;
}
.wordmark {
  display: block; width: 190px; height: 38px; line-height: 0;
  text-decoration: none; overflow: hidden;
}
.wordmark img {
  display: block; width: 100%; height: 100%; object-fit: contain;
}
.topnav { display: flex; align-items: center; gap: 6px; }
.topnav-link {
  font-size: 13.5px; color: var(--ink-soft); text-decoration: none;
  padding: 7px 11px; border-radius: 8px;
}
.topnav-link:hover { background: var(--paper-sunk); color: var(--ink); }
.btn-ghost {
  font-size: 13.5px; color: var(--ink); padding: 7px 14px;
  border: 1px solid var(--rule); border-radius: 999px;
  transition: border-color .15s, background .15s;
}
.btn-ghost:hover { border-color: var(--ink); background: var(--paper-sunk); }

/* ── 뷰 전환 ────────────────────────────────────────────── */
.view { max-width: var(--maxw); margin: 0 auto; padding: 0 var(--gap) 96px; }
.view-rank.has-tray { padding-bottom: 132px; }
.view[hidden] { display: none; }

/* ── 1. 질문 화면 ──────────────────────────────────────── */
.ask { padding-top: clamp(48px, 12vh, 120px); }

.ask-title {
  font-family: var(--serif);
  font-weight: 700;
  font-size: clamp(30px, 6.4vw, 50px);
  line-height: 1.25;
  letter-spacing: -0.02em;
  margin: 0 0 28px;
  text-align: center;
  text-wrap: balance;
}

.composer {
  display: flex; align-items: flex-end; gap: 10px;
  background: #fff;
  border: 1px solid var(--rule);
  border-radius: 20px;
  padding: 12px 12px 12px 20px;
  box-shadow: 0 1px 2px rgba(20,24,28,.04), 0 8px 24px -12px rgba(20,24,28,.18);
  transition: border-color .15s, box-shadow .15s;
}
.composer:focus-within {
  border-color: var(--ink);
  box-shadow: 0 1px 2px rgba(20,24,28,.06), 0 12px 32px -14px rgba(20,24,28,.28);
}
.composer-input {
  flex: 1; border: none; outline: none; resize: none;
  background: transparent;
  font-size: 16.5px; line-height: 1.55;
  padding: 6px 0; max-height: 180px;
}
.composer-input::placeholder { color: var(--ink-faint); }
.composer-send {
  flex: none;
  width: 38px; height: 38px; border-radius: 50%;
  background: var(--ink); color: var(--paper);
  display: grid; place-items: center;
  transition: opacity .15s, transform .15s;
}
.composer-send svg { width: 19px; height: 19px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.composer-send:hover { transform: translateX(1px); }
.composer-send:disabled { opacity: .28; cursor: not-allowed; transform: none; }

.ask-hint {
  margin: 14px 2px 0; font-size: 13.5px; color: var(--ink-soft); text-align: center;
}
.ask-hint strong { color: var(--ink); font-weight: 600; }

/* ── 구분선 ─────────────────────────────────────────────── */
.divider {
  display: flex; align-items: center; gap: 14px;
  margin: 52px 0 22px;
  color: var(--ink-faint); font-size: 12.5px; letter-spacing: .02em;
}
.divider::before, .divider::after {
  content: ""; flex: 1; height: 1px; background: var(--rule);
}
.divider-sm { margin: 22px 0 16px; }

/* ── 전략 카드 ──────────────────────────────────────────── */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(212px, 1fr));
  gap: 10px;
}
.cards-loading { color: var(--ink-faint); font-size: 14px; padding: 8px 2px; }

.card {
  text-align: left;
  background: #fff;
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  padding: 15px 16px 16px;
  display: flex; flex-direction: column; gap: 6px;
  transition: border-color .15s, transform .15s, box-shadow .15s;
}
.card:hover {
  border-color: var(--ink);
  transform: translateY(-2px);
  box-shadow: 0 10px 24px -16px rgba(20,24,28,.4);
}
.card:focus-visible { outline: 2px solid var(--ink); outline-offset: 2px; }
.card-tag {
  font-family: var(--mono); font-size: 10.5px; letter-spacing: .06em;
  text-transform: uppercase; color: var(--ink-faint);
}
.card-name { font-size: 15.5px; font-weight: 600; letter-spacing: -0.01em; }
.card-desc {
  font-size: 12.5px; line-height: 1.5; color: var(--ink-soft);
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}

/* ── 2. 랭킹 화면 ──────────────────────────────────────── */
.rank-head { padding-top: 12px; }
.btn-back {
  font-size: 13.5px; color: var(--ink-soft); padding: 6px 0;
  transition: color .15s;
}
.btn-back:hover { color: var(--ink); }

.rank-title {
  font-family: var(--serif); font-weight: 700;
  font-size: clamp(25px, 4.6vw, 36px); letter-spacing: -0.02em;
  margin: 10px 0 6px;
}
.rank-meta { margin: 0 0 8px; font-size: 12.5px; color: var(--ink-soft); }
.rank-legend {
  margin: 0 0 22px; font-size: 11.5px; color: var(--ink-faint);
  display: flex; align-items: center; gap: 14px; flex-wrap: wrap;
}
.lg-item { display: inline-flex; align-items: center; gap: 5px; white-space: nowrap; }
.lg-note { color: var(--ink-faint); }
.lg { width: 15px; height: 9px; border-radius: 2px; display: inline-block; }
.lg-gain { background: var(--ink-soft); }
.lg-loss { border: 1.5px solid var(--ink-soft); }

.rank-controls {
  display: flex; align-items: center; justify-content: space-between;
  gap: 14px; flex-wrap: wrap;
  padding-bottom: 12px; border-bottom: 1px solid var(--rule);
  position: sticky; top: 0; background: var(--paper); z-index: 5;
  padding-top: 8px;
}
.chips { display: flex; gap: 6px; flex-wrap: wrap; }
.chip {
  font-size: 13px; padding: 6px 13px; border-radius: 999px;
  border: 1px solid var(--rule); color: var(--ink-soft);
  transition: all .15s;
}
.chip:hover { border-color: var(--ink-soft); color: var(--ink); }
.chip.is-on { background: var(--ink); border-color: var(--ink); color: var(--paper); }
.chip-n { font-family: var(--mono); font-size: 11px; opacity: .6; margin-left: 3px; }

.sort { font-size: 13px; color: var(--ink-soft); display: flex; align-items: center; gap: 7px; }
.sort select {
  border: 1px solid var(--rule); border-radius: 8px;
  padding: 5px 9px; background: #fff; font-size: 13px; color: var(--ink);
}

/* ── 진행 표시 ──────────────────────────────────────────── */
.rank-progress { padding: 40px 0; }
.rank-progress-bar {
  height: 3px; background: var(--rule); border-radius: 2px; overflow: hidden;
}
.rank-progress-bar i {
  display: block; height: 100%; width: 0%;
  background: var(--ink); transition: width .3s ease;
}
.rank-progress-text {
  margin: 12px 0 0; font-size: 13px; color: var(--ink-soft);
  font-family: var(--mono);
}

/* ── 순위 행 ────────────────────────────────────────────
   시그니처: 0을 기준으로 60행이 같은 스케일을 공유하는 수익률 막대.
   이익은 채운 막대, 손실은 빈 막대. 색은 시장을 뜻한다.
   빨강=상승인 국내 관행과 그 반대인 미국 관행이 한 표에 섞이면
   오독이 생기므로, 부호는 색이 아니라 채움 여부로 나타낸다.
   ------------------------------------------------------ */
.rows { list-style: none; margin: 0; padding: 0; }

.row {
  display: grid;
  grid-template-columns: 30px 20px minmax(88px, 132px) 1fr auto;
  align-items: center;
  gap: 12px;
  padding: 11px 4px 11px 0;
  border-bottom: 1px solid var(--rule);
  cursor: pointer;
  transition: background .12s;
}
.row:hover { background: var(--paper-sunk); }
.row.is-picked { background: var(--paper-sunk); }

.row-rank {
  font-family: var(--mono); font-size: 12.5px; font-variant-numeric: tabular-nums;
  color: var(--ink-faint); text-align: right;
}
.row.is-picked .row-rank { color: var(--ink); font-weight: 600; }

.row-check {
  width: 17px; height: 17px; border-radius: 5px;
  border: 1.5px solid var(--rule); background: #fff;
  display: grid; place-items: center;
  transition: all .15s;
}
.row-check::after {
  content: ""; width: 8px; height: 8px; border-radius: 2px;
  background: var(--ink); transform: scale(0); transition: transform .15s;
}
.row.is-picked .row-check { border-color: var(--ink); }
.row.is-picked .row-check::after { transform: scale(1); }
.row.is-locked { cursor: default; }
.row.is-locked:hover { background: none; }
.row.is-locked .row-check { opacity: .3; border-style: dashed; }

.row-name { display: flex; align-items: baseline; gap: 7px; min-width: 0; }
.row-mk {
  flex: none; width: 3px; height: 13px; border-radius: 2px;
  transform: translateY(1px);
}
.row-label {
  font-size: 14px; font-weight: 500; letter-spacing: -0.01em;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}

/* 막대 */
.row-bar { position: relative; height: 20px; min-width: 40px; }
.row-bar-zero {
  position: absolute; top: 2px; bottom: 2px; width: 1px;
  background: var(--ink-faint); opacity: .35;
}
.row-bar-fill {
  position: absolute; top: 3px; bottom: 3px;
  border-radius: 2px;
  transform-origin: left center;
}
/* 이익 = 채움 */
.row-bar-fill.is-gain { background: var(--bar-color); }
/* 손실 = 비움 (윤곽선만) */
.row-bar-fill.is-loss {
  background: transparent;
  border: 1.5px solid var(--bar-color);
  transform-origin: right center;
}

.row-val {
  font-family: var(--mono); font-size: 13px; font-weight: 500;
  font-variant-numeric: tabular-nums;
  text-align: right; min-width: 82px;
}
.row-val small {
  display: block; font-size: 10.5px; font-weight: 400;
  color: var(--ink-faint); letter-spacing: -0.01em;
}
.row.is-error .row-val { color: var(--ink-faint); font-size: 11px; }

.rows-empty { color: var(--ink-faint); font-size: 14px; padding: 40px 0; text-align: center; }

/* 등장 모션: 막대가 0에서 자란다. 한 번만 쓴다. */
@keyframes grow { from { transform: scaleX(0); } to { transform: scaleX(1); } }
@keyframes rise { from { opacity: 0; transform: translateY(5px); } to { opacity: 1; transform: none; } }
.row { animation: rise .3s ease backwards; }
.row .row-bar-fill { animation: grow .5s cubic-bezier(.2,.8,.3,1) backwards; }

/* ── 하단 선택 트레이 ───────────────────────────────────── */
.tray {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 20;
  padding: 0 var(--gap) max(16px, env(safe-area-inset-bottom));
  pointer-events: none;
}
.tray-inner {
  max-width: var(--maxw); margin: 0 auto;
  background: var(--ink); color: var(--paper);
  border-radius: var(--radius);
  padding: 12px 12px 12px 18px;
  display: flex; align-items: center; justify-content: space-between; gap: 14px;
  box-shadow: 0 12px 40px -12px rgba(20,24,28,.5);
  pointer-events: auto;
  animation: rise .25s ease;
}
.tray-picks {
  list-style: none; margin: 0; padding: 0;
  display: flex; gap: 8px; flex-wrap: wrap; min-width: 0;
}
.tray-picks li {
  font-size: 12.5px; padding: 4px 10px;
  border: 1px solid rgba(252,252,250,.28); border-radius: 999px;
  display: flex; align-items: center; gap: 6px;
}
.tray-picks button { color: rgba(252,252,250,.6); font-size: 13px; line-height: 1; }
.tray-picks button:hover { color: var(--paper); }

.btn-primary {
  flex: none;
  background: var(--paper); color: var(--ink);
  font-size: 14px; font-weight: 600;
  padding: 10px 18px; border-radius: 9px;
  transition: opacity .15s;
}
.btn-primary:hover { opacity: .85; }
.btn-primary:disabled { opacity: .4; cursor: not-allowed; }
.btn-wide { width: 100%; background: var(--ink); color: var(--paper); padding: 13px; }

/* ── 3. 모의투자 설정 ──────────────────────────────────── */
.paper { padding-top: 12px; max-width: 560px; margin: 0 auto; }
.paper-title {
  font-family: var(--serif); font-weight: 700;
  font-size: clamp(25px, 4.6vw, 34px); letter-spacing: -0.02em;
  margin: 10px 0 8px;
}
.paper-sub { margin: 0 0 28px; font-size: 13.5px; color: var(--ink-soft); }

.paper-list { list-style: none; margin: 0 0 18px; padding: 0; }
.paper-item {
  display: flex; align-items: center; gap: 12px;
  padding: 14px 0; border-bottom: 1px solid var(--rule);
}
.paper-item .row-mk { height: 15px; }
.paper-item-name { flex: 1; font-size: 14.5px; font-weight: 500; }
.paper-item-ret {
  font-family: var(--mono); font-size: 12px; color: var(--ink-soft);
  font-variant-numeric: tabular-nums;
}
.amount { display: flex; align-items: center; gap: 5px; }
.amount input {
  width: 116px; text-align: right;
  font-family: var(--mono); font-size: 14px; font-variant-numeric: tabular-nums;
  border: 1px solid var(--rule); border-radius: 8px; padding: 7px 10px;
  background: #fff;
}
.amount input:focus { outline: none; border-color: var(--ink); }
.amount span { font-size: 13px; color: var(--ink-soft); }

.paper-total {
  display: flex; justify-content: space-between; align-items: baseline;
  padding: 4px 0 22px; font-size: 14px; color: var(--ink-soft);
}
.paper-total strong {
  font-family: var(--mono); font-size: 19px; color: var(--ink);
  font-variant-numeric: tabular-nums;
}

.kakao-row {
  background: var(--paper-sunk); border-radius: var(--radius);
  padding: 15px 16px; margin-bottom: 20px;
}
.check { display: flex; align-items: center; gap: 9px; font-size: 14px; cursor: pointer; }
.check input { width: 16px; height: 16px; accent-color: var(--ink); }
.kakao-note { margin: 7px 0 0 25px; font-size: 12px; color: var(--ink-soft); }

.disclaimer {
  margin: 18px 0 0; font-size: 11.5px; line-height: 1.65; color: var(--ink-faint);
  text-align: center;
}
.disclaimer strong { color: var(--ink-soft); font-weight: 600; }

/* ── 로그인 모달 ────────────────────────────────────────── */
.modal { position: fixed; inset: 0; z-index: 60; display: grid; place-items: center; padding: 20px; }
.modal[hidden] { display: none; }
.modal-scrim { position: absolute; inset: 0; background: rgba(20,24,28,.42); }
.modal-card {
  position: relative; width: 100%; max-width: 380px;
  background: var(--paper); border-radius: 18px; padding: 28px 26px 26px;
  box-shadow: 0 24px 60px -20px rgba(20,24,28,.5);
  animation: rise .2s ease;
}
.modal-x {
  position: absolute; top: 14px; right: 14px;
  color: var(--ink-faint); font-size: 14px; padding: 4px;
}
.modal-x:hover { color: var(--ink); }
.modal-h {
  font-family: var(--serif); font-weight: 700; font-size: 22px;
  margin: 0 0 6px; letter-spacing: -0.01em;
}
.modal-sub { margin: 0 0 20px; font-size: 13px; color: var(--ink-soft); }

/* 카카오 버튼 — 페이지에서 유일하게 브랜드 색을 쓰는 곳 */
.kakao-btn {
  display: flex; align-items: center; justify-content: center; gap: 9px;
  background: #FEE500; color: #191600;
  border-radius: 11px; padding: 13px; font-size: 15px; font-weight: 600;
  text-decoration: none; letter-spacing: -0.01em;
  transition: filter .15s;
}
.kakao-btn:hover { filter: brightness(.95); }
.kakao-btn svg { width: 20px; height: 20px; fill: currentColor; }
.remember-login { display:flex; align-items:center; gap:7px; font-size:12px; color:var(--ink-soft); }
.remember-login input { width:16px; height:16px; margin:0; }
.login-links { display:flex; justify-content:center; gap:16px; margin-top:10px; font-size:12px; }
.login-links a { color:var(--ink-soft); }
.disabled-link { color:var(--ink-faint); cursor:not-allowed; }
.registerform { margin-top: 12px; }
.social-divider { display:flex; align-items:center; gap:14px; margin:26px 0 14px; color:var(--ink-faint); font-size:13px; }
.social-divider::before, .social-divider::after { content:""; height:1px; flex:1; background:var(--rule); }
.social-title { margin:0 0 14px; text-align:center; font-size:15px; font-weight:600; }
.social-buttons { display:flex; justify-content:center; gap:16px; }
.social-icon { display:flex; align-items:center; justify-content:center; width:52px; height:52px; border-radius:50%; font-size:22px; font-weight:700; text-decoration:none; }
.social-icon:hover { text-decoration:none; transform:translateY(-1px); }
.social-kakao { background:#FEE500; color:#191600; }
.social-google { border:1px solid #d9d9d9; background:#fff; color:#4285f4; }
.social-icon svg { width:25px; height:25px; display:block; }
.social-kakao svg { fill:currentColor; }
.social-note { margin:12px 0 0; font-size:11.5px; color:var(--ink-faint); text-align:center; }

.loginform { display: flex; flex-direction: column; gap: 8px; }
.loginform[hidden] { display: none; }
.loginform input {
  border: 1px solid var(--rule); border-radius: 10px;
  padding: 11px 13px; font-size: 14px; background: #fff;
}
.loginform input:focus { outline: none; border-color: var(--ink); }
.form-error { margin: 2px 0 0; font-size: 12.5px; color: var(--mk-binance); min-height: 18px; }

/* ── 접근성 ─────────────────────────────────────────────── */
:focus-visible { outline: 2px solid var(--ink); outline-offset: 2px; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .001ms !important;
    transition-duration: .001ms !important;
  }
}

/* ── 좁은 화면 ──────────────────────────────────────────── */
@media (max-width: 620px) {
  .wordmark { width: 155px; height: 31px; }
  .row {
    grid-template-columns: 24px 18px 1fr auto;
    gap: 9px;
  }
  .row-bar { display: none; }   /* 좁은 화면에서는 막대 대신 숫자만 */
  .row-val { min-width: 74px; font-size: 12.5px; }
  .rank-controls { position: static; }
  .lg-note { display: none; }   /* 좁은 화면에서는 색 견본만 남긴다 */
  .tray-inner { flex-direction: column; align-items: stretch; padding: 14px; }
  .btn-primary { width: 100%; }
  .topnav-link { display: none; }
}


/* ── 내 모의투자 ────────────────────────────────────────── */
.mine { padding-top: 12px; max-width: 620px; margin: 0 auto; }

.pf {
  border: 1px solid var(--rule); border-radius: var(--radius);
  background: #fff; padding: 18px 20px; margin-bottom: 16px;
}
.pf-head {
  display: flex; align-items: baseline; justify-content: space-between;
  gap: 12px; flex-wrap: wrap; margin-bottom: 4px;
}
.pf-name { font-size: 16px; font-weight: 600; letter-spacing: -0.01em; }
.pf-total {
  font-family: var(--mono); font-size: 17px; font-weight: 500;
  font-variant-numeric: tabular-nums;
}
.pf-meta { font-size: 12px; color: var(--ink-faint); margin: 0 0 14px; }

.pf-rows { list-style: none; margin: 0; padding: 0; }
.pf-rows li {
  display: grid; grid-template-columns: 3px 1fr auto auto; gap: 11px;
  align-items: center; padding: 10px 0; border-top: 1px solid var(--rule);
}
.pf-rows i { width: 3px; height: 15px; border-radius: 2px; }
.pf-nm { font-size: 14px; font-weight: 500; }
.pf-st {
  font-family: var(--mono); font-size: 10.5px; letter-spacing: .04em;
  border: 1px solid var(--rule); border-radius: 4px; padding: 1px 6px;
  color: var(--ink-faint);
}
.pf-st.on { border-color: var(--ink); color: var(--ink); }
.pf-pnl {
  font-family: var(--mono); font-size: 13px; font-variant-numeric: tabular-nums;
  text-align: right; min-width: 128px;
}
.pf-pnl small { display: block; font-size: 10.5px; color: var(--ink-faint); }

.pf-actions { display: flex; gap: 8px; margin-top: 15px; flex-wrap: wrap; }
.btn-sm {
  font-size: 12.5px; padding: 6px 12px; border-radius: 8px;
  border: 1px solid var(--rule); color: var(--ink-soft); background: #fff;
  transition: all .15s;
}
.btn-sm:hover { border-color: var(--ink); color: var(--ink); }
.btn-sm.danger:hover { border-color: var(--mk-binance); color: var(--mk-binance); }

.sig-log { list-style: none; margin: 14px 0 0; padding: 0; }
.sig-log li {
  display: flex; gap: 9px; align-items: baseline;
  font-size: 12px; color: var(--ink-soft); padding: 4px 0;
  font-family: var(--mono); font-variant-numeric: tabular-nums;
}
.sig-log .d { color: var(--ink-faint); }

.toast {
  position: fixed; left: 50%; bottom: 28px; transform: translateX(-50%);
  background: var(--ink); color: var(--paper);
  padding: 11px 20px; border-radius: 999px; font-size: 13.5px;
  z-index: 80; box-shadow: 0 10px 30px -12px rgba(20,24,28,.5);
  animation: rise .2s ease;
}