/* ============================================================
   Tela de login — FormyLove
   Layout centralizado, responsivo e alinhado ao design do quadro
   ============================================================ */

:root {
  --color-bg: #F5F5F5;
  --color-surface: #FFFFFF;
  --color-text: #1E1E1E;
  --color-text-muted: #6B6B6B;
  --color-border: #E5E5E5;
  --color-primary: #A259FF;
  --color-primary-hover: #8F3FF5;
  --color-error: #D32F2F;
  --color-error-bg: #FFEBEE;
  --shadow-md: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.1);
  --radius-md: 8px;
  --radius-lg: 16px;
  --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
}

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

html, body {
  height: 100%;
}

body {
  font-family: var(--font-family);
  font-size: clamp(14px, 2vw, 16px);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.5;
}

/* Container centralizado na tela */
.login {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  min-height: 100dvh;
  padding: 24px 16px;
  background:
    radial-gradient(circle at 20% 20%, rgba(162, 89, 255, 0.06) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(10, 207, 131, 0.06) 0%, transparent 50%),
    var(--color-bg);
}

/* Card do formulário */
.login__card {
  width: 100%;
  max-width: 400px;
  padding: clamp(28px, 5vw, 40px);
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-border);
}

/* Marca / cabeçalho */
.login__brand {
  text-align: center;
  margin-bottom: 32px;
}

.login__logo {
  margin-bottom: 12px;
}

.login__title {
  font-size: clamp(22px, 4vw, 26px);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.login__subtitle {
  margin-top: 6px;
  font-size: 14px;
  color: var(--color-text-muted);
}

/* Formulário */
.login__form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.login__field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.login__label {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text);
}

.login__input {
  width: 100%;
  padding: 12px 14px;
  font-size: 15px;
  font-family: inherit;
  color: var(--color-text);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s, background 0.15s;
}

.login__input::placeholder {
  color: #AAA;
}

.login__input:focus {
  border-color: var(--color-primary);
  background: var(--color-surface);
  box-shadow: 0 0 0 3px rgba(162, 89, 255, 0.15);
}

.login__input--error {
  border-color: var(--color-error);
  background: var(--color-error-bg);
}

.login__input--error:focus {
  box-shadow: 0 0 0 3px rgba(211, 47, 47, 0.15);
}

/* Mensagem de erro */
.login__error {
  display: none;
  padding: 10px 12px;
  font-size: 13px;
  color: var(--color-error);
  background: var(--color-error-bg);
  border-radius: var(--radius-md);
  border: 1px solid rgba(211, 47, 47, 0.2);
}

.login__error--visible {
  display: block;
}

/* Botão entrar */
.login__btn {
  width: 100%;
  padding: 13px 20px;
  font-size: 15px;
  font-weight: 600;
  font-family: inherit;
  color: #fff;
  background: var(--color-primary);
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background 0.15s, transform 0.1s;
  margin-top: 4px;
}

.login__btn:hover {
  background: var(--color-primary-hover);
}

.login__btn:active {
  transform: scale(0.98);
}

.login__btn:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}

/* Alternar entre login e cadastro */
.login__toggle {
  display: block;
  width: 100%;
  margin-top: 16px;
  padding: 8px;
  font-size: 13px;
  font-family: inherit;
  color: var(--color-text-muted);
  background: none;
  border: none;
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color 0.15s;
}

.login__toggle:hover {
  color: var(--color-primary);
}

.login__btn:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Responsividade — telas muito pequenas */
@media (max-width: 360px) {
  .login__card {
    padding: 24px 20px;
  }
}