/* ============================================
   PORTAL DO CLIENTE — Liquid Glass
   ============================================ */

:root {
  --bg-deep: #050A12;
  --accent: #5E9EFF;
  --accent-soft: rgba(94, 158, 255, 0.12);
  --text-primary: rgba(255, 255, 255, 0.95);
  --text-secondary: rgba(255, 255, 255, 0.55);
  --text-tertiary: rgba(255, 255, 255, 0.35);
  --vermelho: #FF453A;

  --glass-bg: rgba(255, 255, 255, 0.04);
  --glass-border: rgba(255, 255, 255, 0.08);
  --glass-highlight: linear-gradient(135deg, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0) 50%);
  --glass-blur: blur(40px);
  --glass-blur-heavy: blur(60px);
  --glass-saturate: saturate(180%);

  --font: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'SF Pro Text', 'Helvetica Neue', 'Inter', system-ui, sans-serif;
  --fw-normal: 400;
  --fw-medium: 500;
  --fw-semibold: 600;
  --fw-bold: 700;

  --px: 20px;
  --radius-sm: 14px;
  --radius-md: 20px;
  --radius-lg: 28px;
  --radius-full: 9999px;
  --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.4);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --duration: 0.4s;
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--font);
  font-weight: var(--fw-normal);
  color: var(--text-primary);
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  background:
    radial-gradient(ellipse 70% 50% at 50% 30%, rgba(94, 158, 255, 0.06), transparent 70%),
    radial-gradient(ellipse 50% 40% at 80% 70%, rgba(94, 158, 255, 0.03), transparent),
    var(--bg-deep);
  background-attachment: fixed;
}

a { text-decoration: none; color: inherit; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

/* Header */
.portal-header {
  padding: 20px var(--px);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.portal-header__logo {
  font-size: 17px;
  font-weight: var(--fw-bold);
  letter-spacing: -0.03em;
}

.portal-header__logo span { color: var(--accent); }

.portal-header__back {
  font-size: 13px;
  color: var(--text-tertiary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 44px;
  transition: color var(--duration);
}

.portal-header__back:hover { color: var(--text-primary); }

/* Main */
.portal-main {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px var(--px) 40px;
}

/* Login Card — Liquid Glass */
.login-card {
  width: 100%;
  max-width: 400px;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur-heavy) var(--glass-saturate);
  -webkit-backdrop-filter: var(--glass-blur-heavy) var(--glass-saturate);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 36px 24px 32px;
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}

.login-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: var(--glass-highlight);
  pointer-events: none;
}

.login-card__icon {
  width: 52px; height: 52px;
  margin: 0 auto 20px;
  background: var(--accent-soft);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: 2;
}

.login-card__icon svg { width: 24px; height: 24px; color: var(--accent); }

.login-card__title {
  text-align: center;
  font-size: 22px;
  font-weight: var(--fw-bold);
  letter-spacing: -0.02em;
  margin-bottom: 4px;
  position: relative; z-index: 2;
}

.login-card__subtitle {
  text-align: center;
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 28px;
  position: relative; z-index: 2;
}

/* Form */
.login-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
  position: relative; z-index: 2;
}

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

.login-form__group label {
  font-size: 13px;
  font-weight: var(--fw-medium);
  color: var(--text-tertiary);
}

.login-form__group input {
  width: 100%;
  min-height: 50px;
  padding: 14px 16px;
  font-family: var(--font);
  font-size: 16px;
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: var(--radius-sm);
  outline: none;
  transition: all var(--duration) var(--ease-out);
  -webkit-appearance: none;
}

.login-form__group input::placeholder { color: var(--text-tertiary); }

.login-form__group input:focus {
  border-color: rgba(94, 158, 255, 0.4);
  background: rgba(255, 255, 255, 0.06);
  box-shadow: 0 0 0 3px rgba(94, 158, 255, 0.08);
}

.login-form__group input.error { border-color: var(--vermelho); }

.login-form__error {
  font-size: 12px;
  color: var(--vermelho);
  display: none;
}

.login-form__error.is-visible { display: block; }

/* Password */
.password-wrapper { position: relative; }
.password-wrapper input { padding-right: 50px; }

.password-toggle {
  position: absolute;
  right: 10px; top: 50%;
  transform: translateY(-50%);
  width: 36px; height: 36px;
  display: flex; align-items: center; justify-content: center;
  color: var(--text-tertiary);
  border-radius: 8px;
  transition: color var(--duration);
}

.password-toggle:hover { color: var(--text-secondary); }
.password-toggle svg { width: 18px; height: 18px; }
.password-toggle .icon-hide { display: none; }
.password-toggle.is-showing .icon-show { display: none; }
.password-toggle.is-showing .icon-hide { display: block; }

/* Options */
.login-form__options {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.login-form__remember {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  font-size: 13px;
  color: var(--text-tertiary);
}

.login-form__remember input[type="checkbox"] {
  width: 16px; height: 16px;
  accent-color: var(--accent);
  cursor: pointer;
}

.login-form__forgot {
  font-size: 13px;
  color: var(--accent);
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  transition: opacity var(--duration);
}

.login-form__forgot:hover { opacity: 0.7; }

/* Submit */
.login-form__submit {
  width: 100%;
  min-height: 52px;
  padding: 14px 24px;
  font-size: 15px;
  font-weight: var(--fw-semibold);
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  transition: all var(--duration) var(--ease-out);
  margin-top: 4px;
  position: relative;
  overflow: hidden;
}

.login-form__submit::before {
  content: '';
  position: absolute; inset: 0;
  border-radius: inherit;
  background: var(--glass-highlight);
  pointer-events: none;
}

.login-form__submit:hover {
  background: rgba(255, 255, 255, 0.14);
  border-color: rgba(255, 255, 255, 0.2);
}

.login-form__submit:active { transform: scale(0.97); }
.login-form__submit:disabled { opacity: 0.5; cursor: not-allowed; }

.login-form__submit .spinner {
  display: none;
  width: 18px; height: 18px;
  border: 2px solid rgba(255, 255, 255, 0.2);
  border-top-color: var(--text-primary);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

.login-form__submit.is-loading .spinner { display: block; }
.login-form__submit.is-loading .btn-text { display: none; }

@keyframes spin { to { transform: rotate(360deg); } }

/* Message */
.login-message {
  text-align: center;
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: var(--fw-medium);
  display: none;
  margin-top: 8px;
}

.login-message.info {
  display: block;
  background: rgba(94, 158, 255, 0.08);
  border: 1px solid rgba(94, 158, 255, 0.15);
  color: var(--accent);
}

.login-message.error {
  display: block;
  background: rgba(255, 69, 58, 0.08);
  border: 1px solid rgba(255, 69, 58, 0.2);
  color: var(--vermelho);
}

/* Separator */
.login-card__separator {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 24px 0;
  position: relative; z-index: 2;
}

.login-card__separator::before,
.login-card__separator::after {
  content: '';
  flex: 1; height: 1px;
  background: rgba(255, 255, 255, 0.06);
}

.login-card__separator span {
  font-size: 12px;
  color: var(--text-tertiary);
}

/* Help */
.login-card__help {
  text-align: center;
  position: relative; z-index: 2;
}

.login-card__help-text {
  font-size: 13px;
  color: var(--text-tertiary);
  margin-bottom: 12px;
  line-height: 1.5;
}

.login-card__help-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  min-height: 46px;
  padding: 12px 20px;
  font-size: 13px;
  font-weight: var(--fw-semibold);
  color: var(--text-secondary);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  transition: all var(--duration) var(--ease-out);
}

.login-card__help-cta:hover {
  border-color: rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-primary);
}

.login-card__help-cta:active { transform: scale(0.97); }

/* Footer / Trust */
.portal-footer {
  padding: 20px var(--px) 28px;
  text-align: center;
}

.trust-badges {
  display: flex;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
}

.trust-badge {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  color: var(--text-tertiary);
}

.trust-badge svg { width: 14px; height: 14px; }

@media (min-width: 768px) {
  .login-card { padding: 44px 36px 36px; }
  .login-card__title { font-size: 26px; }
}