*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --green:    #dc2626;
  --green-dk: #b91c1c;
  --bg:       #0f1117;
  --card-bg:  #1a1d27;
  --border:   #2a2d3a;
  --text:     #e2e8f0;
  --muted:    #94a3b8;
  --red:      #f87171;
  --radius:   12px;
}

body {
  font-family: 'Segoe UI', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.container {
  width: 100%;
  max-width: 480px;
}

.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px 36px;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
}
.logo-img {
  height: 120px;
  width: auto;
  object-fit: contain;
}
.logo-img--header {
  height: 56px;
}
.logo-icon { font-size: 28px; }
.logo-text {
  font-size: 22px;
  font-weight: 700;
  color: var(--green);
  letter-spacing: -0.5px;
}

h1 {
  font-size: 22px;
  font-weight: 700;
  line-height: 1.3;
}

.subtitle {
  color: var(--muted);
  font-size: 14px;
  margin-top: 6px;
  margin-bottom: 28px;
  line-height: 1.5;
}

/* Fields */
.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 18px;
}

label {
  font-size: 13px;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

input, select {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-size: 15px;
  padding: 11px 14px;
  width: 100%;
  transition: border-color 0.2s;
  outline: none;
}

input::placeholder { color: #4a5568; }

input:focus, select:focus { border-color: var(--green); }
input.invalid, select.invalid { border-color: var(--red); }

.select-wrapper { position: relative; }
.select-wrapper::after {
  content: '▾';
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  pointer-events: none;
  color: var(--muted);
}

select {
  appearance: none;
  cursor: pointer;
  padding-right: 36px;
}
select option { background: var(--card-bg); }

.error {
  color: var(--red);
  font-size: 12px;
  min-height: 16px;
}

/* Button */
button[type="submit"] {
  width: 100%;
  margin-top: 8px;
  padding: 13px;
  background: var(--green);
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: background 0.2s, opacity 0.2s;
}
button[type="submit"]:hover:not(:disabled) { background: var(--green-dk); }
button[type="submit"]:disabled { opacity: 0.6; cursor: not-allowed; }

/* Spinner */
.spinner {
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* Success / Error */
.success-box {
  text-align: center;
  padding: 32px 16px 8px;
}
.success-icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--green);
  color: #fff;
  font-size: 26px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
}
.success-box h2 { font-size: 20px; margin-bottom: 8px; }
.success-box p  { color: var(--muted); font-size: 14px; line-height: 1.6; }

.error-box {
  margin-top: 16px;
  background: rgba(248,113,113,0.1);
  border: 1px solid rgba(248,113,113,0.3);
  border-radius: 8px;
  padding: 12px 14px;
  font-size: 14px;
  color: var(--red);
}

.password-box {
  margin-top: 16px;
  background: rgba(37,211,102,0.08);
  border: 1px solid rgba(37,211,102,0.3);
  border-radius: 8px;
  padding: 14px 16px;
  text-align: center;
}
.password-label { font-size: 13px; color: var(--muted); margin-bottom: 8px; }
.password-value {
  font-size: 26px;
  font-weight: 700;
  letter-spacing: 4px;
  color: var(--green);
  font-family: 'Courier New', monospace;
  margin-bottom: 8px;
}
.password-hint { font-size: 12px; color: var(--muted); line-height: 1.6; }
.password-hint a { color: var(--green); text-decoration: none; }

.qrcode-box {
  margin-top: 20px;
  text-align: center;
}
.qrcode-label {
  font-size: 14px;
  color: var(--muted);
  margin-bottom: 12px;
}
.qrcode-box img {
  width: 220px;
  height: 220px;
  border-radius: 8px;
  border: 3px solid var(--green);
  background: #fff;
  padding: 4px;
}
.qrcode-hint {
  margin-top: 12px;
  font-size: 12px;
  color: var(--muted);
  line-height: 1.5;
}

.pairing-box {
  margin-top: 20px;
  padding: 16px;
  background: rgba(220,38,38,.07);
  border: 1px solid rgba(220,38,38,.25);
  border-radius: 10px;
  text-align: center;
}
.pairing-label { font-size: 13px; color: var(--muted); margin: 0 0 10px; }
.pairing-value {
  font-size: 28px;
  font-weight: 700;
  letter-spacing: 6px;
  color: var(--text);
  font-family: monospace;
}
.pairing-hint { font-size: 11px; color: var(--muted); margin: 10px 0 0; line-height: 1.5; }

/* ── CTA de cadastro na tela de login ──────────────────────────────────────── */
.register-cta {
  margin-top: 28px;
}

.register-cta__divider {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}
.register-cta__divider::before,
.register-cta__divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}
.register-cta__divider span {
  font-size: 12px;
  color: var(--muted);
  white-space: nowrap;
  letter-spacing: 0.3px;
}

.register-cta__btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  width: 100%;
  padding: 13px;
  background: transparent;
  border: 1.5px solid var(--green);
  border-radius: 8px;
  color: var(--green);
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.2s, transform 0.15s;
}
.register-cta__btn:hover {
  background: rgba(220, 38, 38, 0.08);
  transform: translateY(-1px);
}
.register-cta__btn:active {
  transform: translateY(0);
}

.register-cta__hint {
  text-align: center;
  font-size: 12px;
  color: var(--muted);
  margin-top: 10px;
  letter-spacing: 0.2px;
}

.hidden { display: none !important; }

@media (max-width: 480px) {
  .card { padding: 28px 20px; }
}