:root {
  --bg: #0a0a0a;
  --bg-elev: #111113;
  --bg-panel: #15151a;
  --border: #22222a;
  --border-strong: #2f2f38;
  --text: #e8e8ec;
  --text-muted: #8a8a94;
  --text-dim: #55555e;
  --accent: #4ade80;
  --accent-dim: #14532d;
  --warn: #facc15;
  --danger: #f87171;
  --focus: #60a5fa;
  --font-ui: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', Menlo, Consolas, monospace;
  --radius: 4px;
  --radius-lg: 8px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-ui);
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

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

button,
input {
  font: inherit;
  color: inherit;
}

.brand {
  font-family: var(--font-mono);
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--text);
}

.muted {
  color: var(--text-muted);
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border: 1px solid var(--border-strong);
}

.badge-paper {
  color: var(--accent);
  background: var(--accent-dim);
  border-color: var(--accent);
}

.badge-live {
  color: #fff;
  background: var(--danger);
  border-color: var(--danger);
  font-weight: 700;
  animation: live-pulse 2s ease-in-out infinite;
}

@keyframes live-pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(248, 113, 113, 0.7); }
  50%     { box-shadow: 0 0 0 6px rgba(248, 113, 113, 0); }
}

.badge-mock {
  color: var(--text-muted);
  background: var(--bg-elev);
  border-color: var(--border-strong);
}

/* ------- auth (login) ------- */

.auth {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.auth-shell {
  width: 100%;
  max-width: 380px;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
}

.auth-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 28px;
}

.auth h1 {
  margin: 0 0 4px;
  font-size: 22px;
  font-weight: 600;
}

.auth-sub {
  color: var(--text-muted);
  margin: 0 0 24px;
  font-size: 13px;
}

.field {
  display: block;
  margin-bottom: 16px;
}

.field > span {
  display: block;
  margin-bottom: 6px;
  font-size: 12px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.field input {
  width: 100%;
  padding: 10px 12px;
  background: var(--bg);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  color: var(--text);
  font-family: var(--font-mono);
  transition: border-color 120ms ease;
}

.field input:focus {
  border-color: var(--focus);
  outline: none;
}

.btn-primary {
  width: 100%;
  padding: 10px 14px;
  background: var(--text);
  color: var(--bg);
  border: 1px solid var(--text);
  border-radius: var(--radius);
  cursor: pointer;
  font-weight: 600;
  transition: opacity 120ms ease;
}

.btn-primary:hover {
  opacity: 0.85;
}

.btn-primary:disabled {
  opacity: 0.5;
  cursor: wait;
}

.btn-ghost {
  padding: 6px 12px;
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  cursor: pointer;
  transition: background 120ms ease, border-color 120ms ease;
}

.btn-ghost:hover {
  background: var(--bg-panel);
  border-color: var(--text-muted);
}

.error {
  margin-top: 14px;
  padding: 10px 12px;
  color: var(--danger);
  background: #2a0f0f;
  border: 1px solid #4a1d1d;
  border-radius: var(--radius);
  font-size: 13px;
}

.auth-footer {
  margin-top: 24px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
  text-align: center;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-dim);
}

/* ------- app (dashboard) ------- */

.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  background: var(--bg-elev);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
}

.app-header-left,
.app-header-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.username {
  font-family: var(--font-mono);
  font-weight: 600;
}

.app-main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 24px 20px;
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
}

.panel {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
}

.panel h2 {
  margin: 0 0 16px;
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}

.status-grid {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 8px 16px;
  margin: 0;
}

.status-grid dt {
  color: var(--text-muted);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.status-grid dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
  flex-shrink: 0;
}

.dot-ok {
  background: var(--accent);
  box-shadow: 0 0 8px color-mix(in srgb, var(--accent) 60%, transparent);
}

.dot-pending {
  background: var(--text-dim);
}

.dot-danger {
  background: var(--danger);
}

/* ------- Fase 2 — widgets ------- */

.panel-wide {
  grid-column: 1 / -1;
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin: 0 0 16px;
}

.panel-header h2 {
  margin: 0;
}

.chart-controls {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 12px;
}

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

.inline-field > span {
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 11px;
}

.inline-field select {
  padding: 4px 8px;
  background: var(--bg);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 12px;
}

.inline-field select:focus {
  outline: none;
  border-color: var(--focus);
}

.chart-root {
  width: 100%;
  height: 280px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.chart-root svg {
  display: block;
  width: 100%;
  height: 100%;
}

.chart-empty {
  padding: 16px;
  font-family: var(--font-mono);
  font-size: 12px;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-mono);
  font-size: 12px;
}

.data-table th,
.data-table td {
  padding: 6px 10px;
  border-bottom: 1px solid var(--border);
  text-align: left;
}

.data-table th {
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 10px;
  font-weight: 500;
}

.data-table .num {
  text-align: right;
}

.mono {
  font-family: var(--font-mono);
}

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

.loss {
  color: var(--danger);
}

/* ------- Fase 2.5 — tips + watchlist ------- */

.tips-root {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
}

.tips-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.tips-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}

.tips-symbol {
  font-weight: 600;
  font-size: 13px;
}

.tips-market {
  font-size: 10px;
  padding: 1px 6px;
  text-transform: lowercase;
  border-color: var(--border-strong);
  color: var(--text-muted);
  background: transparent;
}

.tips-signal {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 6px 0;
}

.tips-signal + .tips-signal {
  border-top: 1px dashed var(--border);
}

.tips-signal-head {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
}

.tips-headline {
  flex: 1;
  font-weight: 500;
}

.tips-detail {
  font-size: 11px;
  line-height: 1.45;
}

.tips-bias-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.tips-signal.sig-bullish .tips-bias-dot {
  background: var(--accent);
}
.tips-signal.sig-bearish .tips-bias-dot {
  background: var(--danger);
}
.tips-signal.sig-neutral .tips-bias-dot {
  background: var(--text-muted);
}
.tips-signal.sig-info .tips-bias-dot {
  background: var(--warn);
}

.tips-horizon {
  font-family: var(--font-mono);
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 1px 6px;
  border-radius: var(--radius);
  border: 1px solid var(--border-strong);
  color: var(--text-muted);
}

.sig-short {
  color: var(--warn);
  border-color: var(--warn);
}
.sig-medium {
  color: var(--focus);
  border-color: var(--focus);
}
.sig-long {
  color: var(--accent);
  border-color: var(--accent);
}

#watchlist-add input {
  padding: 4px 8px;
  background: var(--bg);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 12px;
  width: 140px;
}

#watchlist-add input:focus {
  outline: none;
  border-color: var(--focus);
}

.watchlist-remove {
  padding: 2px 8px;
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1;
}

#tips-hint {
  font-size: 12px;
  margin-top: 0;
  margin-bottom: 12px;
}

#tips-hint .sig-short,
#tips-hint .sig-medium,
#tips-hint .sig-long {
  padding: 0 4px;
  font-size: 10px;
}