/* ==========================================================================
   워치트레이더 (WatchTrader) 모던 웹 디자인 시스템
   ========================================================================== */

:root {
  --bg: #0b0f17;
  --card: #131924;
  --card-2: #182030;
  --card-hover: #1e283c;
  --line: #243044;
  --line-focus: #3b82f6;
  --text: #f1f5f9;
  --text-muted: #94a3b8;
  --dim: #64748b;
  --accent: #3b82f6;
  --accent-glow: rgba(59, 130, 246, 0.25);
  --accent-ink: #ffffff;
  --green: #10b981;
  --green-bg: rgba(16, 185, 129, 0.12);
  --up: #f43f5e;
  --warn: #f59e0b;
  --warn-bg: rgba(245, 158, 11, 0.12);
  --radius: 16px;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f8fafc;
    --card: #ffffff;
    --card-2: #f1f5f9;
    --card-hover: #e2e8f0;
    --line: #e2e8f0;
    --line-focus: #2563eb;
    --text: #0f172a;
    --text-muted: #475569;
    --dim: #64748b;
    --accent: #2563eb;
    --accent-glow: rgba(37, 99, 235, 0.15);
    --accent-ink: #ffffff;
    --green: #059669;
    --green-bg: rgba(5, 150, 105, 0.1);
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.6 -apple-system, BlinkMacSystemFont, "Pretendard Variable", Pretendard, "Segoe UI", Roboto, "Apple SD Gothic Neo", "Malgun Gothic", sans-serif;
  -webkit-text-size-adjust: 100%;
}

.wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: 36px 20px 80px;
}

/* ---- 브랜드 헤더 ---- */
.head {
  margin-bottom: 26px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.logo-icon {
  font-size: 30px;
  display: inline-grid;
  place-items: center;
  width: 52px;
  height: 52px;
  background: linear-gradient(135deg, var(--card-2), var(--card));
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.25);
  flex-shrink: 0;
}

.head h1 {
  font-size: 23px;
  font-weight: 700;
  margin: 0 0 4px;
  letter-spacing: -0.03em;
}

.head .sub {
  margin: 0;
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.5;
}

/* ---- 카드 컨테이너 ---- */
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
  margin-bottom: 20px;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.18);
  transition: border-color 0.2s;
}

.card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
  flex-wrap: wrap;
  gap: 8px;
}

.step-label {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 16px;
  letter-spacing: -0.01em;
}

.step-label .num {
  display: inline-grid;
  place-items: center;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--accent-ink);
  font-size: 13px;
  font-weight: 800;
}

/* ---- 가이드 텍스트 & 지우기 버튼 ---- */
.guide-text {
  margin: 0 0 12px;
  font-size: 13.5px;
  color: var(--text-muted);
  line-height: 1.5;
}

.guide-text b {
  color: var(--text);
}

.guide-text code {
  background: var(--card-2);
  border: 1px solid var(--line);
  padding: 2px 6px;
  border-radius: 5px;
  font-size: 12.5px;
  font-family: inherit;
  font-weight: 600;
  color: var(--text);
}

.btn-clear {
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--line);
  border-radius: 7px;
  padding: 4px 10px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
}

.btn-clear:hover {
  background: var(--card-2);
  color: var(--up);
  border-color: rgba(244, 63, 94, 0.4);
}

/* ---- 네이버 내 자산 바로가기 ---- */
.naver-link {
  --naver: #03c75a;
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 14px;
  padding: 12px 14px;
  border: 1.5px solid var(--line);
  border-radius: 12px;
  background: var(--card-2);
  color: var(--text);
  text-decoration: none;
  transition: border-color 0.2s, background 0.2s, transform 0.15s;
}

.naver-link:hover,
.naver-link:focus-visible {
  border-color: var(--naver);
  background: var(--card-hover);
  transform: translateY(-1px);
  outline: none;
}

.naver-mark {
  flex: 0 0 auto;
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  background: var(--naver);
  color: #fff;
  font-weight: 800;
  font-size: 17px;
  line-height: 1;
}

.naver-body {
  flex: 1 1 auto;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.naver-body b {
  font-size: 14px;
  font-weight: 700;
}

.naver-hint {
  font-size: 11.5px;
  color: var(--dim);
}

.naver-go {
  flex: 0 0 auto;
  color: var(--text-muted);
  font-size: 15px;
}

.naver-link:hover .naver-go {
  color: var(--naver);
}

/* ---- 붙여넣기 안내 단계 ---- */
.guide-steps {
  margin: 0 0 10px;
  padding-left: 20px;
  font-size: 13.5px;
  color: var(--text-muted);
  line-height: 1.65;
}

.guide-steps li {
  margin-bottom: 3px;
}

.guide-steps b {
  color: var(--text);
}

.guide-steps code {
  background: var(--card-2);
  border: 1px solid var(--line);
  padding: 2px 6px;
  border-radius: 5px;
  font-size: 12.5px;
  font-family: inherit;
  font-weight: 600;
  color: var(--text);
}

.guide-steps .dim {
  display: block;
  font-size: 12px;
  color: var(--dim);
}

/* ---- 텍스트 입력창 ---- */
.paste-box {
  width: 100%;
  resize: vertical;
  min-height: 140px;
  background: var(--card-2);
  color: var(--text);
  border: 1.5px solid var(--line);
  border-radius: 12px;
  padding: 14px;
  font-family: inherit;
  font-size: 13.5px;
  line-height: 1.6;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.paste-box:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.paste-box::placeholder {
  color: var(--dim);
}

.action-row {
  margin-top: 14px;
}

/* ---- 버튼 공통 ---- */
.btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  padding: 14px 18px;
  border-radius: 12px;
  border: 1px solid transparent;
  font-family: inherit;
  font-weight: 700;
  font-size: 15px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn.primary {
  background: linear-gradient(135deg, #3b82f6, #2563eb);
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.35);
}

.btn.primary:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  box-shadow: none;
}

.btn.ghost {
  background: transparent;
  border-color: var(--line);
  color: var(--text);
}

.btn.ghost:hover {
  background: var(--card-2);
  border-color: var(--line-focus);
}

.btn.small {
  padding: 8px 14px;
  font-size: 13px;
}

.btn:not(:disabled):hover {
  transform: translateY(-1px);
  filter: brightness(1.08);
}

.btn:not(:disabled):active {
  transform: translateY(0);
}

.btn.busy {
  position: relative;
  color: transparent !important;
}

.btn.busy::after {
  content: "";
  position: absolute;
  inset: 0;
  margin: auto;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: #ffffff;
  animation: spin 0.7s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ---- 메타 뱃지 ---- */
.result-meta {
  display: flex;
  align-items: center;
}

.pill-count {
  font-size: 12px;
  font-weight: 600;
  padding: 3px 9px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: var(--card-2);
  color: var(--text);
}

/* ---- 안내 박스 ---- */
.alert-box {
  padding: 11px 14px;
  border-radius: 10px;
  font-size: 13px;
  margin-bottom: 14px;
  line-height: 1.5;
}

.alert-info {
  background: rgba(59, 130, 246, 0.08);
  border: 1px solid rgba(59, 130, 246, 0.22);
  color: var(--text-muted);
}

.alert-warn {
  background: var(--warn-bg);
  border: 1px solid rgba(245, 158, 11, 0.35);
  color: var(--text-muted);
}

.alert-warn b {
  color: var(--warn);
}

/* ---- 결과 테이블 ---- */
.table-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin-bottom: 12px;
  border: 1px solid var(--line);
  border-radius: 10px;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13.5px;
  min-width: 520px;
}

thead {
  background: var(--card-2);
}

th, td {
  padding: 10px 10px;
  border-bottom: 1px solid var(--line);
  text-align: left;
}

th {
  color: var(--text-muted);
  font-weight: 600;
  font-size: 12px;
  white-space: nowrap;
}

th.right, td.right {
  text-align: right;
}

td input {
  width: 100%;
  background: var(--card-2);
  border: 1px solid var(--line);
  border-radius: 7px;
  padding: 6px 8px;
  color: var(--text);
  font: inherit;
  font-size: 13.5px;
  transition: border-color 0.15s;
}

td input:hover {
  border-color: var(--text-muted);
}

td input:focus {
  outline: none;
  border-color: var(--accent);
  background: var(--card);
}

td input.num {
  text-align: right;
  font-variant-numeric: tabular-nums;
  font-weight: 500;
}

td select {
  background: var(--card-2);
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: 7px;
  padding: 6px 8px;
  font: inherit;
  font-size: 13px;
}

.del {
  background: none;
  border: 1px solid transparent;
  color: var(--dim);
  cursor: pointer;
  font-size: 15px;
  padding: 4px 8px;
  border-radius: 6px;
  transition: all 0.15s;
}

.del:hover {
  color: var(--up);
  background: rgba(244, 63, 94, 0.12);
  border-color: rgba(244, 63, 94, 0.25);
}

.row-warn td {
  background: var(--warn-bg);
}

.table-actions {
  display: flex;
  justify-content: flex-start;
}

/* ---- 워치 페어링 ---- */
.howto {
  margin: 0 0 16px;
  padding-left: 20px;
  color: var(--text-muted);
  font-size: 13.5px;
  line-height: 1.8;
}

.howto b {
  color: var(--text);
}

.pair-box {
  background: var(--card-2);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 16px;
  margin-bottom: 14px;
}

.code-label {
  display: block;
  font-size: 13px;
  color: var(--text-muted);
  font-weight: 600;
  margin-bottom: 8px;
}

.code-input {
  display: block;
  width: 100%;
  margin-bottom: 12px;
  background: var(--card);
  color: var(--text);
  border: 1.5px solid var(--line);
  border-radius: 12px;
  padding: 14px 12px;
  font: inherit;
  font-size: 30px;
  font-weight: 700;
  text-align: center;
  letter-spacing: 0.3em;
  text-indent: 0.3em;
  font-variant-numeric: tabular-nums;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.code-input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.code-input::placeholder {
  color: var(--line);
  letter-spacing: 0.3em;
}

.alt {
  margin-top: 14px;
}

.alt summary {
  cursor: pointer;
  color: var(--text-muted);
  font-size: 13px;
  padding: 6px 0;
  list-style: none;
}

.alt summary::-webkit-details-marker { display: none; }
.alt summary::before { content: "▸ "; }
.alt[open] summary::before { content: "▾ "; }
.alt-body { padding-top: 8px; }

.note {
  margin: 8px 0 0;
  font-size: 12.5px;
  color: var(--dim);
}

/* ---- 상태 토스트 ---- */
.status {
  margin-top: 20px;
  font-size: 14px;
  min-height: 24px;
  text-align: center;
  font-weight: 600;
}

.status.err {
  color: var(--up);
}

.status.ok {
  color: var(--green);
}

.status.warn {
  color: var(--warn);
}

/* ---- 탭 ---- */
.tabs {
  display: flex;
  gap: 6px;
  margin-bottom: 14px;
  padding: 5px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
}

.tab {
  flex: 1 1 0;
  padding: 10px 8px;
  border: 1px solid transparent;
  border-radius: 9px;
  background: transparent;
  color: var(--text-muted);
  font-family: inherit;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}

.tab:hover {
  color: var(--text);
}

.tab.is-on {
  background: var(--accent);
  color: var(--accent-ink);
}

/* ---- 바이낸스 API 입력 ---- */
.bnb-mark {
  background: #f0b90b !important;
  color: #1a1a1a !important;
}

.dl-mark {
  background: var(--green) !important;
  color: #ffffff !important;
}

.binance-link:hover,
.binance-link:focus-visible {
  border-color: #f0b90b;
}

.binance-link:hover .naver-go {
  color: #f0b90b;
}

.field {
  display: block;
  margin-bottom: 12px;
}

.field-label {
  display: block;
  margin-bottom: 5px;
  font-size: 12.5px;
  font-weight: 700;
  color: var(--text-muted);
}

.field-row {
  display: flex;
  gap: 6px;
}

.key-input {
  width: 100%;
  min-width: 0;
  background: var(--card-2);
  color: var(--text);
  border: 1.5px solid var(--line);
  border-radius: 10px;
  padding: 12px 13px;
  font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  font-size: 13px;
  letter-spacing: 0.02em;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.key-input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.key-input::placeholder {
  color: var(--dim);
  font-family: inherit;
  letter-spacing: normal;
}

.btn-eye {
  flex: 0 0 auto;
  width: 46px;
  background: var(--card-2);
  border: 1.5px solid var(--line);
  border-radius: 10px;
  color: var(--text-muted);
  font-size: 16px;
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s;
}

.btn-eye:hover {
  border-color: var(--line-focus);
  color: var(--text);
}

/* ---- 전송 대기 목록 ---- */
.payload {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 12px;
}

.payload-chip {
  padding: 5px 11px;
  border-radius: 999px;
  background: var(--green-bg);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: var(--green);
  font-size: 12.5px;
  font-weight: 700;
}