:root {
  --bg: #0B0E17;
  --panel: #141827;
  --panel-alt: #1C2136;
  --header: #11101F;
  --border: #2A2F45;
  --text: #F2F3F8;
  --subtext: #8D93A6;
  --up: #FF4D6D;
  --down: #4C8DFF;
  --accent: #8B5CF6;
  --accent2: #3B82F6;
  --auto-accent: #22C55E;
  --coral: #D97757;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Malgun Gothic", "Apple SD Gothic Neo", sans-serif;
  font-size: 14px;
}

/* 헤더 */
.app-header {
  height: 56px;
  background: var(--header);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  position: sticky; top: 0; z-index: 20;
}
.header-left { display: flex; align-items: center; gap: 10px; }
.logo { width: 30px; height: 30px; border-radius: 6px; }
.brand { font-size: 16px; font-weight: 700; }
.header-right { display: flex; align-items: center; gap: 14px; }
.welcome { font-size: 12px; color: var(--text); }
.api-status { font-size: 12px; font-weight: 700; cursor: pointer; color: #FF7A90; }

.gradient-strip {
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  position: sticky; top: 56px; z-index: 20;
}

/* ---- 상단 탭 (데스크톱) ---- */
.top-tabs {
  background: var(--header);
  display: flex;
  gap: 2px;
  padding: 6px 10px;
  position: sticky; top: 59px; z-index: 19;
  overflow-x: auto;
}
.top-tab {
  background: var(--header);
  color: var(--subtext);
  border: none;
  padding: 9px 18px;
  font-weight: 700;
  font-size: 13px;
  cursor: pointer;
  border-radius: 6px;
  display: flex; align-items: center; gap: 6px;
  white-space: nowrap;
}
.top-tab .tab-ico { font-size: 14px; }
.top-tab.active {
  background: var(--accent);
  color: #fff;
}

/* ---- 하단 탭 (모바일 전용, 데스크톱에서는 숨김) ---- */
.bottom-tabs { display: none; }

/* ---- 뷰(탭 콘텐츠) ---- */
.view { display: none; }
.view.active { display: block; }
.view-wrap { min-height: 60vh; }

/* 본문 레이아웃 */
.body-grid {
  display: grid;
  grid-template-columns: 2fr 3fr 2fr;
  gap: 16px;
  padding: 16px;
  align-items: start;
}
.body-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  padding: 16px;
  align-items: start;
}
.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px;
}
.wide-panel { margin: 0 16px 16px; }

/* 관심종목 / 표 */
.panel-head h2 { font-size: 15px; margin: 0 0 8px 0; }
.panel-head.row-between { display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px; }
.panel-head.row-between h2 { margin: 0; }
.mini-btn {
  background: var(--panel-alt); color: var(--text); border: 1px solid var(--border);
  border-radius: 6px; padding: 6px 12px; font-size: 12px; cursor: pointer;
}
.mini-btn:hover { border-color: var(--accent); }

.search-input, .text-input, select {
  width: 100%;
  background: var(--panel-alt);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 8px 10px;
  border-radius: 6px;
  font-size: 13px;
  margin-bottom: 8px;
}
.search-input:focus, .text-input:focus, select:focus {
  outline: none;
  border-color: var(--accent);
}
.text-input:disabled { opacity: .5; cursor: not-allowed; }
.pair-row { display: flex; gap: 6px; }
.pair-row .text-input { margin-bottom: 0; }

.watchlist-table { width: 100%; border-collapse: collapse; font-size: 12px; }
.watchlist-table th {
  text-align: right; color: var(--subtext); font-weight: 700;
  padding: 6px 4px; border-bottom: 1px solid var(--border);
}
.watchlist-table th:first-child { text-align: left; }
.watchlist-table td { padding: 8px 4px; border-bottom: 1px solid var(--border); text-align: right; cursor: pointer; }
.watchlist-table td:first-child { text-align: left; white-space: pre-line; }
.watchlist-table tr:hover td { background: var(--panel-alt); }
.watchlist-table tr.selected td { background: #2A2454; }
.up { color: var(--up); }
.down { color: var(--down); }

/* 시세 패널 */
.ticker-name { color: var(--subtext); font-size: 12px; margin-bottom: 4px; }
.ticker-price-row { display: flex; align-items: center; gap: 8px; margin-bottom: 10px; }
.ticker-price { font-size: 26px; font-weight: 800; }
.ticker-change { font-size: 12px; font-weight: 700; padding: 3px 8px; border-radius: 4px; color: #fff; }
.ticker-info { display: flex; gap: 14px; margin-bottom: 10px; flex-wrap: wrap; }
.ticker-info .sub { display: block; font-size: 11px; color: var(--subtext); }
canvas { width: 100%; height: 180px; background: var(--panel-alt); border: 1px solid var(--border); border-radius: 6px; margin-bottom: 12px; }
.history-head { font-size: 13px; font-weight: 700; margin-bottom: 6px; }
.history-table { width: 100%; border-collapse: collapse; font-size: 12px; }
.history-table th { color: var(--subtext); text-align: right; padding: 4px; }
.history-table td { text-align: right; padding: 4px; color: var(--text); }
.split-row { display: flex; gap: 12px; }
.split-row .half { flex: 1; min-width: 0; }
.note-text { margin-top: 8px; }
.empty-row { color: var(--subtext); text-align: center; padding: 16px 0 !important; }

/* 데이터 표 (트레일링 등) */
.table-scroll { overflow-x: auto; }
.data-table { width: 100%; border-collapse: collapse; font-size: 12px; min-width: 640px; }
.data-table th { color: var(--subtext); text-align: center; padding: 8px 6px; border-bottom: 1px solid var(--border); }
.data-table td { text-align: center; padding: 8px 6px; border-bottom: 1px solid var(--border); }
.toggle-btn {
  border: none; border-radius: 12px; padding: 4px 10px; font-size: 11px; font-weight: 700; cursor: pointer; color: #fff;
}
.toggle-btn.on { background: var(--auto-accent); }
.toggle-btn.off { background: var(--panel-alt); color: var(--subtext); border: 1px solid var(--border); }
.cancel-btn { background: none; border: 1px solid var(--border); color: var(--subtext); border-radius: 6px; padding: 4px 10px; font-size: 11px; cursor: pointer; }
.cancel-btn:hover { border-color: var(--up); color: var(--up); }

/* 주문 패널 */
.tab-row { display: flex; gap: 4px; margin-bottom: 10px; }
.side-tab {
  flex: 1; padding: 10px 0; border: none; border-radius: 6px;
  background: var(--panel-alt); color: var(--subtext); font-weight: 700; cursor: pointer;
}
.side-tab.active-buy { background: var(--up); color: #fff; }
.side-tab.active-sell { background: var(--down); color: #fff; }
.side-tab:disabled { opacity: .5; cursor: not-allowed; }

.field { margin-bottom: 12px; }
.field .sub { display: block; font-size: 12px; color: var(--subtext); margin-bottom: 4px; }
.code-value { font-size: 15px; font-weight: 700; }
.row-between { display: flex; justify-content: space-between; align-items: center; margin-bottom: 6px; }

.seg-row { display: flex; gap: 4px; }
.seg-btn {
  flex: 1; padding: 8px 0; border: none; border-radius: 6px;
  background: var(--panel-alt); color: var(--subtext); cursor: pointer; font-weight: 700;
}
.seg-btn.active-seg { background: var(--accent); color: #fff; }

.quick-row { display: flex; gap: 3px; margin-top: 4px; }
.quick-row button {
  flex: 1; background: var(--panel-alt); color: var(--subtext); border: none;
  border-radius: 4px; padding: 6px 0; cursor: pointer; font-size: 12px;
}
.quick-row button:hover { background: var(--accent); color: #fff; }

.submit-btn {
  width: 100%; padding: 14px 0; border: none; border-radius: 8px;
  font-size: 15px; font-weight: 800; color: #fff; cursor: pointer; margin-top: 4px;
}
.submit-btn.buy { background: var(--up); }
.submit-btn.sell { background: var(--down); }
.submit-btn:disabled { opacity: .45; cursor: not-allowed; }

/* Crypto Auto 미리보기 */
.preview-cards { display: flex; gap: 10px; }
.preview-card { flex: 1; background: var(--panel-alt); border: 1px solid var(--border); border-radius: 8px; padding: 10px; }
.preview-card .sub { font-size: 11px; }
.preview-card.buy-card { border-color: var(--up); }
.preview-card.sell-card { border-color: var(--down); }
.preview-num { font-size: 18px; font-weight: 800; margin-top: 4px; }

/* ---- Auto Trading 채팅 ---- */
.chat-shell { max-width: 760px; margin: 16px auto; padding: 0 16px; display: flex; flex-direction: column; height: calc(100vh - 220px); min-height: 420px; }
.chat-head { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; flex-wrap: wrap; }
.chat-head h2 { margin: 0; font-size: 16px; }
.chat-status { font-size: 12px; color: var(--subtext); }
.chat-log {
  flex: 1; overflow-y: auto; background: var(--panel); border: 1px solid var(--border);
  border-radius: 10px; padding: 14px; font-size: 13px; line-height: 1.6;
}
.chat-msg { margin-bottom: 14px; white-space: pre-wrap; word-wrap: break-word; }
.chat-msg.me { color: var(--auto-accent); font-weight: 700; }
.chat-msg.ai { color: var(--text); font-family: Consolas, monospace; font-size: 12.5px; }
.chat-msg.sys { color: var(--subtext); font-size: 12px; }
.chat-msg.tool { color: #F5A524; font-size: 12px; }
.chat-msg.err { color: var(--up); }

.chat-input-box {
  display: flex; align-items: flex-end; gap: 8px; background: var(--panel-alt);
  border: 1px solid var(--border); border-radius: 22px; padding: 10px 12px 10px 18px; margin-top: 10px;
}
.chat-input-box:focus-within { border-color: #5B6180; }
#chatInput {
  flex: 1; resize: none; border: 0; outline: 0; background: transparent; color: var(--text);
  font: inherit; max-height: 160px; font-size: 14px;
}
.chat-send-btn {
  width: 34px; height: 34px; border-radius: 50%; border: none; background: var(--coral);
  color: #fff; font-size: 16px; cursor: pointer; flex-shrink: 0;
}
.chat-send-btn:disabled { background: #5A3A30; cursor: default; }
.chat-quick-row { display: flex; gap: 6px; margin-top: 8px; flex-wrap: wrap; }
.chat-quick-row button {
  background: var(--panel-alt); color: var(--subtext); border: 1px solid var(--border);
  border-radius: 14px; padding: 5px 12px; font-size: 12px; cursor: pointer;
}
.chat-quick-row button:hover { border-color: var(--auto-accent); color: var(--text); }

/* 상태바 */
.statusbar {
  background: var(--header); color: var(--subtext); font-size: 11px;
  text-align: right; padding: 4px 10px;
}

/* 모달 */
.modal-backdrop {
  position: fixed; inset: 0; background: rgba(0,0,0,0.55);
  display: flex; align-items: center; justify-content: center; z-index: 50;
  padding: 16px;
}
.modal {
  background: var(--panel); border: 1px solid var(--border); border-radius: 10px;
  padding: 20px; width: 380px; max-width: 100%;
}
.modal h3 { margin: 0 0 4px 0; }
.modal label { display: block; margin-top: 10px; margin-bottom: 4px; }
.secret-row { display: flex; gap: 6px; }
.secret-row .text-input { margin-bottom: 0; }
.secret-row button {
  background: var(--panel-alt); color: var(--text); border: none; border-radius: 6px;
  padding: 0 10px; cursor: pointer;
}
.checkbox-row { display: flex; align-items: center; gap: 6px; font-size: 13px; margin-top: 8px; }
.modal-btn-row { display: flex; gap: 6px; margin-top: 16px; }
.modal-btn {
  flex: 1; padding: 10px 0; border: none; border-radius: 6px; cursor: pointer; font-weight: 700;
}
.modal-btn.save { background: var(--accent); color: #fff; }
.modal-btn.delete { background: #c94b4b; color: #fff; }
.modal-btn.close { background: var(--panel-alt); color: var(--text); }

/* 로그인/회원가입 페이지 */
.logout-link { font-size: 12px; color: var(--subtext); text-decoration: none; }
.logout-link:hover { color: var(--text); }
.auth-wrap {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  background: var(--bg);
}
.auth-card { width: 360px; max-width: 90vw; }
.logo-top { text-align: center; margin-bottom: 18px; }
.logo-top img { width: 64px; height: 64px; border-radius: 14px; }
.auth-card form { display: flex; flex-direction: column; }
.auth-card a { color: var(--accent2); }
.auth-divider {
  display: flex; align-items: center; text-align: center; color: var(--subtext);
  font-size: 12px; margin: 14px 0;
}
.auth-divider::before, .auth-divider::after {
  content: ""; flex: 1; border-bottom: 1px solid var(--border);
}
.auth-divider span { padding: 0 8px; }
.google-btn { display: block; text-align: center; text-decoration: none; }

/* ==================== 반응형 ==================== */
@media (max-width: 980px) {
  .body-grid { grid-template-columns: 1fr; }
  .body-grid-2 { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .welcome { display: none; }
  .top-tabs { display: none; }
  .bottom-tabs {
    display: flex; position: fixed; left: 0; right: 0; bottom: 0; z-index: 30;
    background: var(--header); border-top: 1px solid var(--border);
    padding: 4px 2px calc(4px + env(safe-area-inset-bottom));
  }
  .bottom-tab {
    flex: 1; background: none; border: none; color: var(--subtext);
    display: flex; flex-direction: column; align-items: center; gap: 2px;
    padding: 6px 0; font-size: 10px; cursor: pointer;
  }
  .bottom-tab .tab-ico { font-size: 18px; }
  .bottom-tab.active { color: var(--accent); }
  .view-wrap, .statusbar { padding-bottom: 58px; }
  .statusbar { display: none; }
  .split-row { flex-direction: column; }
  .chat-shell { height: calc(100vh - 260px); margin: 12px auto; }
}