:root {
  --bg: #0e1116;
  --surface: #161b22;
  --border: #2d333b;
  --text: #e6edf3;
  --muted: #8b949e;
  --accent: #3fb950;
  --accent-dim: #238636;
  --warn: #d29922;
  --danger: #f85149;
  --violet: #a371f7;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  min-height: 100dvh;
  font-family: system-ui, -apple-system, "Segoe UI", "Apple SD Gothic Neo", "Malgun Gothic", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  overflow-x: clip;
}

.bg-grid {
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(63, 185, 80, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(63, 185, 80, 0.03) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
  z-index: 0;
}

.wrap {
  position: relative;
  z-index: 1;
  max-width: 1120px;
  margin: 0 auto;
  padding: 2rem 1.25rem 4rem;
}

header.brand {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 2.5rem;
  border-bottom: 1px solid var(--border);
  padding-bottom: 1.25rem;
}

.brand h1 {
  margin: 0;
  font-family: ui-serif, Georgia, "Times New Roman", serif;
  font-weight: 600;
  font-size: clamp(1.75rem, 4vw, 2.35rem);
  letter-spacing: -0.02em;
}

.brand .tag {
  font-size: 0.85rem;
  color: var(--muted);
}

.pill {
  display: inline-block;
  padding: 0.2rem 0.65rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.pill-live {
  background: rgba(63, 185, 80, 0.15);
  color: var(--accent);
}

.pill-off {
  background: rgba(248, 81, 73, 0.12);
  color: var(--danger);
}

.pill-warn {
  background: rgba(210, 153, 34, 0.15);
  color: var(--warn);
}

.mono {
  font-family: ui-monospace, "Cascadia Code", "IBM Plex Mono", monospace;
  font-size: 0.88em;
}

/* 데시보드 요약 카드 */
.dash-grid {
  display: grid;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

@media (min-width: 900px) {
  .dash-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.dash-card h2 {
  margin: 0 0 0.5rem;
}

.dash-lead {
  margin: 0 0 1rem;
  max-width: none;
}

.dash-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.dash-kv {
  display: grid;
  grid-template-columns: 7.5rem 1fr;
  gap: 0.5rem 1rem;
  align-items: baseline;
  font-size: 0.9rem;
  padding: 0.35rem 0;
  border-bottom: 1px solid var(--border);
}

.dash-kv:last-of-type {
  border-bottom: none;
}

.dash-k {
  color: var(--muted);
  font-size: 0.82rem;
}

.dash-v {
  color: var(--text);
  word-break: break-word;
}

.dash-timeline-card h2 {
  margin: 0 0 0.5rem;
}

.dash-timeline {
  list-style: none;
  margin: 0;
  padding: 0;
}

.dash-timeline-item {
  display: grid;
  grid-template-columns: auto auto 1fr;
  gap: 0.5rem 0.85rem;
  align-items: baseline;
  padding: 0.65rem 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.88rem;
}

@media (max-width: 520px) {
  .dash-timeline-item {
    grid-template-columns: 1fr;
    gap: 0.2rem;
  }

  .dash-kv {
    grid-template-columns: 1fr;
  }
}

.dash-timeline-item:last-child {
  border-bottom: none;
}

.dash-timeline-time {
  color: var(--muted);
  white-space: nowrap;
}

.dash-timeline-kind {
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.15rem 0.45rem;
  border-radius: 6px;
  width: max-content;
}

.dash-timeline-signal .dash-timeline-kind {
  background: rgba(63, 185, 80, 0.12);
  color: var(--accent);
}

.dash-timeline-trade .dash-timeline-kind {
  background: rgba(163, 113, 247, 0.12);
  color: var(--violet);
}

.dash-timeline-setting .dash-timeline-kind {
  background: rgba(210, 153, 34, 0.12);
  color: var(--warn);
}

.dash-timeline-line {
  color: var(--text);
  line-height: 1.45;
}

.dash-signals-subh {
  margin: 0 0 0.5rem;
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.dash-signal-snapshots {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
  margin-bottom: 1.35rem;
}

@media (min-width: 720px) {
  .dash-signal-snapshots {
    grid-template-columns: repeat(4, 1fr);
  }
}

.dash-snapshot-card {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.75rem 0.8rem;
  font-size: 0.84rem;
  line-height: 1.4;
  background: var(--surface);
}

.dash-coin-row {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
}

.dash-coin-icon {
  flex-shrink: 0;
  border-radius: 50%;
  object-fit: cover;
  background: rgba(139, 148, 158, 0.12);
}

.dash-snapshot-coin {
  font-weight: 700;
  font-size: 0.95rem;
  margin-bottom: 0.25rem;
}

.dash-snapshot-side {
  font-weight: 600;
}

.dash-snapshot-hint {
  font-weight: 400;
  color: var(--muted);
  font-size: 0.8rem;
}

.dash-snapshot-meta {
  font-size: 0.75rem;
  color: var(--muted);
  margin-top: 0.35rem;
}

.dash-snapshot-rsi {
  font-size: 0.78rem;
  margin-top: 0.2rem;
  color: var(--text);
}

.dash-snapshot-card.dash-signal-long {
  border-color: rgba(63, 185, 80, 0.45);
  box-shadow: 0 0 0 1px rgba(63, 185, 80, 0.08) inset;
}

.dash-snapshot-card.dash-signal-short {
  border-color: rgba(248, 81, 73, 0.45);
  box-shadow: 0 0 0 1px rgba(248, 81, 73, 0.08) inset;
}

.dash-snapshot-card.dash-signal-none {
  opacity: 0.92;
}

.dash-signal-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.dash-signal-row {
  display: grid;
  grid-template-columns: auto auto auto 1fr;
  gap: 0.45rem 0.75rem;
  align-items: baseline;
  padding: 0.55rem 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.86rem;
}

.dash-signal-row:last-child {
  border-bottom: none;
}

@media (max-width: 640px) {
  .dash-signal-row {
    grid-template-columns: 1fr;
    gap: 0.2rem;
  }
}

.dash-signal-time {
  color: var(--muted);
  white-space: nowrap;
  font-size: 0.8rem;
}

.dash-signal-badge {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.12rem 0.4rem;
  border-radius: 6px;
  width: max-content;
  background: rgba(139, 148, 158, 0.12);
  color: var(--muted);
}

.dash-signal-row.dash-signal-long .dash-signal-badge {
  background: rgba(63, 185, 80, 0.15);
  color: #3fb950;
}

.dash-signal-row.dash-signal-short .dash-signal-badge {
  background: rgba(248, 81, 73, 0.15);
  color: #f85149;
}

.dash-signal-coin {
  font-weight: 600;
}

.dash-signal-detail {
  color: var(--text);
  line-height: 1.45;
  word-break: break-word;
}

.grid {
  display: grid;
  gap: 1.25rem;
}

@media (min-width: 840px) {
  .grid-2 {
    grid-template-columns: 1fr 1fr;
  }
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.25rem 1.35rem;
}

.card h2 {
  margin: 0 0 0.75rem;
  font-size: 1rem;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.toggle-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.switch {
  position: relative;
  width: 52px;
  height: 28px;
  flex-shrink: 0;
}

.switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.slider {
  position: absolute;
  cursor: pointer;
  inset: 0;
  background: var(--border);
  border-radius: 999px;
  transition: 0.2s;
}

.slider::before {
  position: absolute;
  content: "";
  height: 22px;
  width: 22px;
  left: 3px;
  bottom: 3px;
  background: var(--text);
  border-radius: 50%;
  transition: 0.2s;
}

input:checked + .slider {
  background: var(--accent-dim);
}

input:checked + .slider::before {
  transform: translateX(24px);
}

input:disabled + .slider {
  opacity: 0.5;
  cursor: not-allowed;
}

.hint {
  font-size: 0.85rem;
  color: var(--muted);
  max-width: 36rem;
}

.metrics {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 0.75rem;
}

.metric {
  padding: 0.65rem 0.75rem;
  background: var(--bg);
  border-radius: 8px;
  border: 1px solid var(--border);
}

.metric .k {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.metric .v {
  font-size: 1.1rem;
  font-weight: 600;
  margin-top: 0.15rem;
}

form.calc label {
  display: block;
  font-size: 0.8rem;
  color: var(--muted);
  margin-bottom: 0.25rem;
}

form.calc input {
  width: 100%;
  padding: 0.5rem 0.65rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font-size: 1rem;
}

form.calc .field {
  margin-bottom: 0.85rem;
}

.btn {
  appearance: none;
  border: none;
  padding: 0.55rem 1rem;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  font-size: 0.9rem;
}

.btn-primary {
  background: var(--accent);
  color: #041;
}

.btn-primary:hover {
  filter: brightness(1.08);
}

.btn-ghost {
  background: transparent;
  color: var(--violet);
  border: 1px solid var(--violet);
}

.calc-result {
  margin-top: 1rem;
  padding: 1rem;
  border-radius: 8px;
  background: var(--bg);
  border: 1px dashed var(--border);
  font-size: 0.9rem;
}

.calc-result pre {
  margin: 0;
  white-space: pre-wrap;
  word-break: break-all;
}

table.data {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.8rem;
}

table.data th,
table.data td {
  text-align: left;
  padding: 0.45rem 0.5rem;
  border-bottom: 1px solid var(--border);
}

table.data th {
  color: var(--muted);
  font-weight: 500;
}

.roadmap {
  border-left: 3px solid var(--violet);
  padding-left: 1rem;
}

.roadmap li {
  margin: 0.35rem 0;
  color: var(--muted);
}

.err {
  color: var(--danger);
  font-size: 0.85rem;
}

footer {
  margin-top: 3rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
  font-size: 0.8rem;
  color: var(--muted);
}

/* 회원 앱: 화면 왼쪽 고정 사이드바 + 본문 */
.member-app {
  position: relative;
  z-index: 1;
  display: flex;
  min-height: 100vh;
  min-height: 100dvh;
  align-items: stretch;
  padding-left: env(safe-area-inset-left, 0);
  padding-right: env(safe-area-inset-right, 0);
}

.member-sidebar {
  flex: 0 0 240px;
  width: 240px;
  min-height: 100vh;
  background: var(--surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  padding: 1.25rem 0 1.5rem;
}

.member-sidebar-head {
  padding: 0 1.1rem 1.25rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 0.75rem;
}

.member-sidebar-logo {
  display: block;
  font-family: ui-serif, Georgia, "Times New Roman", serif;
  font-weight: 600;
  font-size: 1.35rem;
  color: var(--text);
  text-decoration: none;
  letter-spacing: -0.02em;
}

.member-sidebar-logo:hover {
  color: var(--accent);
}

.member-sidebar-tag {
  display: block;
  margin-top: 0.35rem;
  font-size: 0.75rem;
  color: var(--muted);
}

.member-sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  padding: 0 0.65rem;
  margin: 0;
}

.member-sidebar-nav a {
  display: block;
  padding: 0.65rem 0.85rem;
  color: var(--muted);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  border-radius: 8px;
  border-left: 3px solid transparent;
  margin-left: -2px;
  transition: background 0.12s, color 0.12s, border-color 0.12s;
}

.member-sidebar-nav a:hover {
  color: var(--text);
  background: rgba(63, 185, 80, 0.08);
}

.member-sidebar-nav a.active {
  color: var(--accent);
  font-weight: 600;
  background: rgba(63, 185, 80, 0.12);
  border-left-color: var(--accent);
}

.member-app-body {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.member-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  padding: 1rem 1.5rem;
  padding-top: max(1rem, env(safe-area-inset-top, 0));
  padding-left: max(1.5rem, env(safe-area-inset-left, 0));
  padding-right: max(1.5rem, env(safe-area-inset-right, 0));
  border-bottom: 1px solid var(--border);
  background: rgba(14, 17, 22, 0.85);
  backdrop-filter: blur(8px);
}

.member-topbar-title {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.member-topbar .member-auth-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
}

.member-app .member-main {
  flex: 1;
  padding: 1.5rem 1.5rem calc(2.5rem + env(safe-area-inset-bottom, 0px));
  max-width: 56rem;
}

.member-footer {
  margin-top: 3rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
  font-size: 0.8rem;
  color: var(--muted);
}

@media (max-width: 768px) {
  .member-app {
    flex-direction: column;
    padding-left: env(safe-area-inset-left, 0);
    padding-right: env(safe-area-inset-right, 0);
  }

  .member-sidebar {
    flex: none;
    width: 100%;
    min-height: 0;
    border-right: none;
    border-bottom: 1px solid var(--border);
    padding: max(0.75rem, env(safe-area-inset-top, 0)) 0 1rem;
  }

  .member-sidebar-head {
    padding: 0 max(1rem, env(safe-area-inset-left, 0)) 0.85rem max(1rem, env(safe-area-inset-right, 0));
    margin-bottom: 0.65rem;
  }

  .member-sidebar-nav {
    flex-direction: row;
    flex-wrap: wrap;
    padding: 0 max(0.75rem, env(safe-area-inset-left, 0)) 0 max(0.75rem, env(safe-area-inset-right, 0));
    gap: 0.35rem;
    -webkit-overflow-scrolling: touch;
  }

  .member-sidebar-nav a {
    border-left: none;
    margin-left: 0;
    padding: 0.65rem 0.85rem;
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    font-size: 0.85rem;
    -webkit-tap-highlight-color: rgba(63, 185, 80, 0.15);
  }

  .member-sidebar-nav a.active {
    border-left: none;
  }

  .member-app .member-main {
    max-width: none;
    padding: 1.25rem max(1rem, env(safe-area-inset-left, 0)) calc(2rem + env(safe-area-inset-bottom, 0px)) max(1rem, env(safe-area-inset-right, 0));
  }

  .member-topbar {
    padding: max(0.75rem, env(safe-area-inset-top, 0)) max(1rem, env(safe-area-inset-left, 0)) 0.85rem max(1rem, env(safe-area-inset-right, 0));
  }

  .member-topbar .btn {
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding-left: 0.85rem;
    padding-right: 0.85rem;
  }
}

/* 좁은 화면: 카드 한 열, 가로 스크롤 방지 */
@media (max-width: 520px) {
  .feature-grid {
    grid-template-columns: 1fr;
  }

  .card {
    padding: 1.1rem 1rem;
  }
}

.feature-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
}

.feature-card {
  display: block;
  padding: 1.15rem 1.25rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  text-decoration: none;
  color: inherit;
  transition: border-color 0.15s, transform 0.12s;
}

.feature-card:hover {
  border-color: var(--accent-dim);
  transform: translateY(-1px);
}

.feature-card h3 {
  margin: 0 0 0.4rem;
  font-size: 1rem;
  color: var(--text);
}

.feature-card p {
  margin: 0;
  font-size: 0.85rem;
  color: var(--muted);
}

.settings-kv {
  list-style: none;
  margin: 0;
  padding: 0;
}

.settings-kv li {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  padding: 0.45rem 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.9rem;
}

.settings-kv li:last-child {
  border-bottom: none;
}

.settings-kv li span {
  color: var(--muted);
}

.settings-kv li strong {
  font-weight: 600;
  text-align: right;
}

.badge-soon {
  display: inline-block;
  margin-top: 0.65rem;
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--warn);
  font-weight: 600;
}