/* ============================================================
   Monalisa Research — Super Scanner
   Token system: terminal de mercado. Fundo quase-preto, âmbar como
   cor de marca/interação, verde/vermelho reservados exclusivamente
   para o significado financeiro (compra/venda) — nunca decorativo.
   ============================================================ */

:root {
  --bg: #0b0e11;
  --panel: #14181d;
  --panel-alt: #1b2027;
  --border: #232830;
  --border-soft: #1c2128;

  --text: #e8eaed;
  --text-muted: #8b94a3;
  --text-dim: #5a6270;

  --amber: #f0a020;
  --amber-soft: rgba(240, 160, 32, 0.12);
  --amber-dim: #7a5518;

  --green: #22c55e;
  --green-soft: rgba(34, 197, 94, 0.12);
  --red: #ef4444;
  --red-soft: rgba(239, 68, 68, 0.12);

  --font-display: -apple-system, "Segoe UI", "Inter", system-ui, sans-serif;
  --font-mono: ui-monospace, "Cascadia Code", "SF Mono", "Consolas", "IBM Plex Mono", monospace;

  --radius: 8px;
  --radius-sm: 5px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-display);
  -webkit-font-smoothing: antialiased;
}

body {
  display: flex;
  flex-direction: column;
}

.hidden { display: none !important; }

button {
  font-family: inherit;
  cursor: pointer;
}
button:focus-visible,
input:focus-visible,
a:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 2px;
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}

/* ---------------- Tela de autenticação ---------------- */

.auth-screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background:
    radial-gradient(circle at 20% 10%, rgba(240, 160, 32, 0.06), transparent 40%),
    var(--bg);
}

.auth-card {
  width: 100%;
  max-width: 380px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 28px;
}

.brand-mark {
  width: 30px;
  height: 30px;
  flex-shrink: 0;
}

.brand-text .brand-name {
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.brand-text .brand-product {
  font-size: 12px;
  color: var(--amber);
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
}

.field {
  margin-bottom: 16px;
}

.field label {
  display: block;
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.field input {
  width: 100%;
  background: var(--panel-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  padding: 10px 12px;
  font-size: 14px;
  font-family: var(--font-display);
}

.field input::placeholder { color: var(--text-dim); }

.btn {
  width: 100%;
  padding: 11px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  font-size: 14px;
  font-weight: 600;
  transition: filter 0.12s ease, transform 0.05s ease;
}
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-primary {
  background: var(--amber);
  color: #14100a;
}
.btn-primary:hover:not(:disabled) { filter: brightness(1.08); }

.btn-ghost {
  background: transparent;
  color: var(--text-muted);
  border-color: var(--border);
}
.btn-ghost:hover:not(:disabled) { color: var(--text); border-color: var(--text-dim); }

.auth-switch {
  margin-top: 18px;
  text-align: center;
  font-size: 13px;
  color: var(--text-muted);
}
.auth-switch button {
  background: none;
  border: none;
  color: var(--amber);
  font-size: 13px;
  padding: 0;
}

.form-error {
  background: var(--red-soft);
  border: 1px solid rgba(239, 68, 68, 0.35);
  color: #ff9d9d;
  font-size: 13px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  margin-bottom: 16px;
}

.form-hint {
  font-size: 12px;
  color: var(--text-dim);
  margin-top: 6px;
  line-height: 1.5;
}

/* ---------------- App principal ---------------- */

.app-shell {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  border-bottom: 1px solid var(--border);
  background: var(--panel);
  position: sticky;
  top: 0;
  z-index: 10;
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.conn-status {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-dim);
}

.conn-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--text-dim);
}
.conn-dot.online {
  background: var(--green);
  box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.5);
  animation: pulse-dot 2s infinite;
}
@keyframes pulse-dot {
  0% { box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.45); }
  70% { box-shadow: 0 0 0 6px rgba(34, 197, 94, 0); }
  100% { box-shadow: 0 0 0 0 rgba(34, 197, 94, 0); }
}

.user-email {
  font-size: 12px;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.icon-btn {
  background: none;
  border: 1px solid var(--border);
  color: var(--text-muted);
  border-radius: var(--radius-sm);
  padding: 6px 10px;
  font-size: 12px;
}
.icon-btn:hover { color: var(--text); border-color: var(--text-dim); }

.tabs {
  display: flex;
  gap: 4px;
  padding: 10px 20px 0;
  border-bottom: 1px solid var(--border);
  background: var(--panel);
}

.tab-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  padding: 10px 14px;
  font-size: 13px;
  font-weight: 600;
  border-bottom: 2px solid transparent;
}
.tab-btn.active {
  color: var(--text);
  border-bottom-color: var(--amber);
}

.view-body {
  flex: 1;
  max-width: 720px;
  width: 100%;
  margin: 0 auto;
  padding: 20px;
}

.link-account-banner {
  background: var(--amber-soft);
  border: 1px solid rgba(240, 160, 32, 0.35);
  border-radius: var(--radius);
  padding: 16px;
  margin-bottom: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.link-account-banner strong { color: var(--amber); }
.link-account-banner .inline-form {
  display: flex;
  gap: 8px;
}
.link-account-banner input {
  flex: 1;
  background: var(--panel-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  padding: 8px 10px;
  font-family: var(--font-mono);
}
.link-account-banner .btn { width: auto; padding: 8px 16px; }

.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-dim);
}
.empty-state .empty-title {
  color: var(--text-muted);
  font-size: 14px;
  margin-bottom: 4px;
}
.empty-state .empty-sub { font-size: 12px; }

/* ---------------- Cards de sinal ---------------- */

.signal-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-left: 3px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
  margin-bottom: 10px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.signal-card.dir-compra { border-left-color: var(--green); }
.signal-card.dir-venda { border-left-color: var(--red); }

.signal-card.is-new {
  animation: arrive 900ms ease-out;
}
@keyframes arrive {
  0% { background: var(--amber-soft); }
  100% { background: var(--panel); }
}

.signal-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.signal-strategy {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-dim);
}

.signal-direction {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 13px;
  padding: 2px 8px;
  border-radius: 4px;
}
.signal-direction.dir-compra { color: var(--green); background: var(--green-soft); }
.signal-direction.dir-venda { color: var(--red); background: var(--red-soft); }

.signal-symbol-row {
  display: flex;
  align-items: baseline;
  gap: 10px;
}
.signal-symbol {
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 700;
}
.signal-tf {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-muted);
}

.signal-prices {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 13px;
}
.signal-prices .price-label {
  font-size: 10px;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  display: block;
  margin-bottom: 2px;
}

.signal-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.signal-time {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-dim);
}

.signal-action-btn {
  padding: 8px 18px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 700;
  border: 1px solid transparent;
}
.signal-action-btn.state-idle {
  background: var(--amber);
  color: #14100a;
}
.signal-action-btn.state-idle:hover { filter: brightness(1.08); }
.signal-action-btn.state-pending {
  background: var(--panel-alt);
  color: var(--text-muted);
  border-color: var(--border);
}
.signal-action-btn.state-done {
  background: var(--green-soft);
  color: var(--green);
  border-color: rgba(34, 197, 94, 0.35);
}
.signal-action-btn.state-error {
  background: var(--red-soft);
  color: #ff9d9d;
  border-color: rgba(239, 68, 68, 0.35);
}
.signal-action-btn:disabled { cursor: default; }

/* ---------------- Histórico ---------------- */

.command-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 8px;
  background: var(--panel);
}

.command-main {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 13px;
}

.command-status {
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 4px;
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}
.command-status.executed { background: var(--green-soft); color: var(--green); }
.command-status.pending { background: var(--amber-soft); color: var(--amber); }
.command-status.error { background: var(--red-soft); color: #ff9d9d; }

.command-actions { display: flex; gap: 8px; }
.command-actions .btn { width: auto; padding: 6px 12px; font-size: 12px; }

/* ---------------- Toasts ---------------- */

#toast-stack {
  position: fixed;
  bottom: 20px;
  right: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  z-index: 100;
  max-width: 320px;
}

.toast {
  background: var(--panel-alt);
  border: 1px solid var(--border);
  border-left: 3px solid var(--amber);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  font-size: 13px;
  color: var(--text);
  animation: toast-in 180ms ease-out;
}
.toast.success { border-left-color: var(--green); }
.toast.error { border-left-color: var(--red); }

@keyframes toast-in {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 480px) {
  .signal-prices { grid-template-columns: repeat(3, 1fr); font-size: 12px; }
  .auth-card { padding: 24px 20px; }
}