:root {
  color-scheme: dark;
  --bg: #050d16;
  --bg-2: #0b1720;
  --panel: rgba(20, 33, 42, 0.78);
  --panel-2: rgba(10, 19, 29, 0.88);
  --ink: #f8fbff;
  --muted: #98a5ad;
  --soft: #c5d1d8;
  --line: rgba(192, 211, 220, 0.18);
  --line-strong: rgba(151, 232, 162, 0.62);
  --accent: #97e8a2;
  --accent-2: #6dcf7e;
  --green: #97e8a2;
  --yellow: #d4b36b;
  --red: #ee6f6f;
  --blue: #7eb6d8;
  --purple: #9c8fe8;
  --shadow: rgba(0, 0, 0, 0.34);
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background: var(--bg);
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 72% 14%, rgba(151, 232, 162, 0.1), transparent 34%),
    radial-gradient(circle at 48% 52%, rgba(40, 71, 78, 0.38), transparent 42%),
    linear-gradient(135deg, #050d16 0%, #09131d 44%, #15272c 100%);
  color: var(--ink);
  font-family: Inter, "Segoe UI", Arial, sans-serif;
  font-size: 15px;
  letter-spacing: 0;
}

.app-header {
  display: grid;
  grid-template-columns: minmax(260px, 1fr) auto;
  gap: 18px;
  align-items: center;
  padding: 28px 44px;
  background: rgba(5, 13, 22, 0.72);
  color: var(--ink);
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  box-shadow: 0 18px 44px rgba(0, 0, 0, 0.18);
}

.app-header h1,
h1 {
  margin: 0;
  color: var(--ink);
  font-size: 32px;
  font-weight: 500;
  letter-spacing: 0;
}

.app-header h1::first-letter {
  color: var(--accent);
}

.brand-title span:nth-child(2) {
  color: var(--accent);
}

.app-header p {
  margin: 6px 0 0;
  color: var(--muted);
}

.status-strip {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 12px;
  color: var(--soft);
}

#currentUser {
  color: var(--ink);
  font-weight: 700;
}

main {
  width: min(1460px, calc(100vw - 32px));
  margin: 22px auto 44px;
}

.strategy-tabs,
.watchlist-tabs,
.toolbar,
.summary,
.alert-line,
.backtest-panel,
.backtest-info-panel,
.chart-panel,
.table-wrap,
.notes,
.faq-panel,
.login-panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 24px;
  box-shadow: 0 24px 70px var(--shadow), inset 0 1px 0 rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(14px);
}

.strategy-tabs {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: 8px;
  padding: 14px;
  background: rgba(5, 13, 22, 0.56);
}

.strategy-tabs-label {
  color: var(--accent);
  font-size: 15px;
  font-weight: 700;
  text-transform: uppercase;
  white-space: nowrap;
}

.watchlist-tabs {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-top: 16px;
  padding: 14px;
}

.tab-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

button,
select,
.strategy-faq-link,
.header-link-button {
  height: 42px;
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  background: transparent;
  color: var(--accent);
  font: inherit;
  font-weight: 700;
}

button {
  padding: 0 18px;
  cursor: pointer;
  transition: background 0.16s ease, border-color 0.16s ease, color 0.16s ease, transform 0.16s ease;
}

button:hover,
.strategy-faq-link:hover,
.header-link-button:hover {
  background: rgba(151, 232, 162, 0.14);
  color: var(--ink);
  transform: translateY(-1px);
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.55;
  transform: none;
}

.watchlist-tab,
.strategy-tab {
  height: 38px;
  color: var(--soft);
  border-color: transparent;
  background: transparent;
}

.watchlist-tab.active,
.strategy-tab.active,
#saveButton,
#backtestAllButton,
.backtest-button {
  color: #061019;
  background: var(--accent);
  border-color: var(--accent);
}

.strategy-faq-link,
.header-link-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 16px;
  text-decoration: none;
  white-space: nowrap;
}

.strategy-faq-link {
  margin-left: auto;
}

.toolbar {
  display: grid;
  grid-template-columns: 84px 1fr;
  gap: 14px 16px;
  margin-top: 16px;
  padding: 18px;
}

label {
  color: var(--soft);
  font-weight: 700;
}

textarea,
input,
select {
  border: 1px solid rgba(192, 211, 220, 0.22);
  border-radius: 12px;
  background: rgba(5, 13, 22, 0.62);
  color: var(--ink);
  font: inherit;
  outline: none;
}

textarea {
  width: 100%;
  min-height: 52px;
  padding: 12px 14px;
  resize: vertical;
}

textarea:focus,
input:focus,
select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(151, 232, 162, 0.12);
}

textarea::placeholder,
input::placeholder {
  color: rgba(197, 209, 216, 0.55);
}

.control-row {
  grid-column: 2;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

.toggle,
.chart-toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--soft);
  font-weight: 600;
}

.select-label {
  margin-left: 8px;
}

.summary {
  display: grid;
  grid-template-columns: repeat(4, minmax(130px, 1fr));
  margin-top: 16px;
  overflow: hidden;
}

.summary div {
  padding: 18px;
  border-right: 1px solid rgba(192, 211, 220, 0.13);
}

.summary div:last-child {
  border-right: 0;
}

.summary strong {
  display: block;
  color: var(--accent);
  font-size: 30px;
  font-weight: 500;
}

.summary span {
  color: var(--muted);
}

.alert-line {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-top: 16px;
  padding: 16px 18px;
}

.alert-line strong {
  color: var(--ink);
}

.alert-line span {
  color: var(--muted);
}

#backtestAllButton {
  margin-left: auto;
}

.backtest-panel,
.backtest-info-panel,
.chart-panel,
.notes,
.faq-panel {
  margin-top: 16px;
  padding: 22px;
}

.backtest-panel-header,
.chart-header {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 14px;
}

.backtest-panel-header h2,
.chart-header h2,
.notes h2,
.faq-panel h2 {
  margin: 0;
  color: var(--ink);
  font-size: 24px;
  font-weight: 500;
}

.backtest-panel-header h2::after,
.chart-header h2::after,
.notes h2::after,
.faq-panel h2::after {
  content: "";
  display: block;
  width: 36px;
  height: 2px;
  margin-top: 10px;
  border-radius: 999px;
  background: var(--accent);
}

.backtest-panel-header p,
.chart-header p,
.notes p,
.faq-panel p,
.backtest-info-copy {
  color: var(--muted);
  line-height: 1.58;
}

.backtest-panel-actions,
.chart-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: flex-end;
}

.chart-controls {
  align-items: center;
  justify-content: flex-start;
  margin: 12px 0 14px;
}

.chart-controls input {
  height: 38px;
  padding: 0 10px;
}

.chart-controls span,
.legend,
.subtext,
.backtest-result {
  color: var(--muted);
  font-size: 13px;
}

#stockChart {
  display: block;
  width: 100%;
  height: 420px;
  border: 1px solid rgba(192, 211, 220, 0.18);
  border-radius: 24px;
  background: #060e16;
  cursor: crosshair;
  touch-action: none;
}

.legend {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 12px;
}

.legend span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.legend i {
  display: inline-block;
  width: 22px;
  height: 3px;
  border-radius: 999px;
}

.candle-key {
  height: 12px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--green) 0 45%, transparent 45% 55%, var(--red) 55% 100%);
}

.sma20-line,
.sma200-line,
.volume-bar {
  background: var(--green);
}

.close-line,
.macd-line,
.bollinger-middle-line {
  background: var(--blue);
}

.sma50-line,
.sma100-line,
.bollinger-upper-line,
.bollinger-lower-line {
  background: var(--yellow);
}

.macd-signal-line {
  background: var(--purple);
}

.macd-histogram-bar {
  height: 10px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--green) 0 48%, transparent 48% 52%, var(--red) 52% 100%);
}

.macd-zero-line,
.avg-volume-line {
  background: repeating-linear-gradient(90deg, var(--muted) 0 6px, transparent 6px 10px);
}

.table-wrap,
.backtest-table-wrap {
  overflow-x: auto;
}

.table-wrap {
  margin-top: 16px;
}

table {
  width: 100%;
  min-width: 1180px;
  border-collapse: collapse;
}

.backtest-table-wrap table {
  min-width: 980px;
}

th,
td {
  padding: 13px 14px;
  border-bottom: 1px solid rgba(192, 211, 220, 0.13);
  text-align: left;
  vertical-align: middle;
}

th {
  background: rgba(5, 13, 22, 0.72);
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  cursor: help;
}

tbody tr:hover {
  background: rgba(151, 232, 162, 0.07);
}

.ticker,
.ticker-button {
  font-weight: 800;
}

.ticker-button,
.header-info-button {
  height: auto;
  border: 0;
  border-radius: 0;
  padding: 0;
  background: transparent;
  color: var(--accent);
  font: inherit;
  font-weight: inherit;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.ticker-button:hover,
.header-info-button:hover {
  color: var(--ink);
  background: transparent;
  transform: none;
}

.pill {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 4px 11px;
  border: 1px solid rgba(192, 211, 220, 0.14);
  border-radius: 999px;
  font-size: 12px;
  font-weight: 800;
  white-space: nowrap;
}

.pill.breakout,
.pill.pullback,
.pill.uptrend {
  color: #061019;
  background: var(--accent);
}

.pill.wait,
.pill.weak,
.pill.mixed {
  color: #2f260f;
  background: #e7d198;
}

.pill.downtrend {
  color: #fff;
  background: var(--red);
}

.num {
  font-variant-numeric: tabular-nums;
}

.empty {
  padding: 34px;
  color: var(--muted);
  text-align: center;
}

.error,
.backtest-table-wrap .error,
.login-message {
  color: var(--red);
  font-weight: 800;
}

.backtest-button {
  height: 32px;
  padding: 0 12px;
  font-size: 13px;
}

.backtest-result {
  min-width: 170px;
  margin-top: 6px;
  line-height: 1.35;
}

.backtest-result strong {
  color: var(--ink);
}

.notes ul,
.backtest-info-copy ul,
.faq-panel ul {
  margin: 8px 0 0;
  padding-left: 22px;
  color: var(--muted);
  line-height: 1.58;
}

.notes h3,
.backtest-info-copy h3 {
  margin: 16px 0 8px;
  color: var(--ink);
  font-size: 15px;
}

.signal-rules {
  display: grid;
  gap: 8px;
  margin: 0;
  color: var(--muted);
}

.signal-rules dt {
  color: var(--accent);
  font-weight: 800;
}

.signal-rules dd {
  margin: -4px 0 4px;
  line-height: 1.48;
}

.faq-panel details {
  border-top: 1px solid rgba(192, 211, 220, 0.13);
  padding: 12px 0;
}

.faq-panel details:first-of-type {
  border-top: 0;
}

.faq-panel summary {
  color: var(--ink);
  cursor: pointer;
  font-weight: 800;
}

.login-body {
  min-height: 100vh;
  display: grid;
  place-items: center;
  background:
    radial-gradient(circle at 70% 18%, rgba(151, 232, 162, 0.12), transparent 34%),
    linear-gradient(135deg, #050d16 0%, #09131d 48%, #15272c 100%);
}

.login-shell {
  width: min(420px, calc(100vw - 32px));
  margin: 0;
}

.wide-shell {
  width: min(720px, calc(100vw - 32px));
}

.login-panel {
  padding: 26px;
}

.login-panel h1 {
  color: var(--ink);
  font-size: 28px;
}

.login-panel p {
  margin: 6px 0 18px;
  color: var(--muted);
}

.login-panel form {
  display: grid;
  gap: 10px;
}

.login-panel input {
  height: 44px;
  padding: 0 12px;
}

.profile-field {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
}

.profile-field span,
.user-row span {
  color: var(--muted);
  font-size: 13px;
  overflow-wrap: anywhere;
}

.profile-field strong,
.user-row strong {
  color: var(--ink);
}

.user-list {
  display: grid;
  gap: 8px;
}

.user-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  padding: 10px;
  border: 1px solid rgba(192, 211, 220, 0.13);
  border-radius: 14px;
  background: rgba(5, 13, 22, 0.44);
}

.user-row div {
  display: grid;
  gap: 3px;
}

.user-row button:not(:disabled) {
  color: #fff;
  background: var(--red);
  border-color: var(--red);
}

.login-message.success {
  color: var(--green);
}

.auth-form[hidden] {
  display: none;
}

.login-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}

@media (max-width: 760px) {
  .app-header {
    display: block;
    padding: 20px;
  }

  .status-strip {
    justify-content: flex-start;
    margin-top: 14px;
  }

  main {
    width: calc(100vw - 20px);
  }

  .strategy-tabs,
  .watchlist-tabs,
  .backtest-panel-header,
  .chart-header {
    align-items: stretch;
    flex-direction: column;
  }

  .strategy-faq-link,
  #backtestAllButton {
    margin-left: 0;
  }

  .toolbar {
    grid-template-columns: 1fr;
  }

  .control-row {
    grid-column: 1;
  }

  .summary {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 520px) {
  .summary {
    grid-template-columns: 1fr;
  }

  .summary div {
    border-right: 0;
  }

  .profile-field,
  .user-row {
    grid-template-columns: 1fr;
  }
}

.brand-accent {
  color: var(--accent);
}


.brand-title {
  display: grid;
  gap: 2px;
}

.brand-title span {
  display: block;
}