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

body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  height: 100vh;
  overflow: hidden;
}

/* ── Layout ─────────────────────────────────────────── */

.container {
  display: flex;
  height: 100vh;
}

/* ── Brand panel (esquerda) ─────────────────────────── */

.brand-panel {
  flex: 1;
  background: linear-gradient(150deg, #049DBF 0%, #04C4D9 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
}

.brand-logo {
  max-width: 520px;
  width: 80%;
  filter: brightness(0) invert(1);
}

/* ── Form panel (direita) ───────────────────────────── */

.form-panel {
  width: 440px;
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 48px 40px;
}

.form-wrapper {
  width: 100%;
}

.form-wrapper h1 {
  font-size: 1.875rem;
  font-weight: 700;
  color: #111827;
  margin-bottom: 6px;
}

.subtitle {
  color: #6b7280;
  font-size: 0.9375rem;
  margin-bottom: 36px;
}

/* ── Campos ─────────────────────────────────────────── */

.field-group {
  margin-bottom: 20px;
}

.field-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: #374151;
  margin-bottom: 6px;
}

.field-group input {
  width: 100%;
  padding: 10px 14px;
  font-size: 0.9375rem;
  font-family: inherit;
  border: 1.5px solid #d1d5db;
  border-radius: 8px;
  outline: none;
  color: #111827;
  background: #fff;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.field-group input::placeholder {
  color: #9ca3af;
}

.field-group input:focus {
  border-color: #049DBF;
  box-shadow: 0 0 0 3px rgba(4, 157, 191, 0.15);
}

/* ── Erro ───────────────────────────────────────────── */

.error-message {
  background: #fef2f2;
  border: 1px solid #fca5a5;
  color: #b91c1c;
  border-radius: 6px;
  padding: 10px 14px;
  font-size: 0.875rem;
  margin-bottom: 16px;
}

/* ── Botão submit ───────────────────────────────────── */

.btn-submit {
  width: 100%;
  padding: 12px;
  margin-top: 8px;
  background: #F25C05;
  color: #fff;
  font-size: 1rem;
  font-weight: 600;
  font-family: inherit;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.2s, transform 0.1s;
}

.btn-submit:hover:not(:disabled) {
  background: #d94f04;
}

.btn-submit:active:not(:disabled) {
  transform: scale(0.99);
}

.btn-submit:disabled {
  opacity: 0.65;
  cursor: not-allowed;
}

/* ── Responsivo ─────────────────────────────────────── */

@media (max-width: 768px) {
  .brand-panel {
    display: none;
  }

  .form-panel {
    width: 100%;
  }
}