/* Login — sistema-first, grouped inset fields (HIG: text-fields, layout) */
:root {
  --color-primary: #dc2626;
  --color-primary-hover: #b91c1c;
  --lg-bg: #f2f2f7;
  --lg-surface: #ffffff;
  --lg-text: #1c1c1e;
  --lg-secondary: #636366;   /* 5.9:1 em #f2f2f7 */
  --lg-separator: rgba(60, 60, 67, 0.18);
  --lg-field: #ffffff;
  --lg-danger-bg: #fdecec;
  --lg-danger-text: #a3141b; /* 7.4:1 em #fdecec */
  color-scheme: light;
}

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

html, body {
  margin: 0;
  min-height: 100%;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Inter", "Segoe UI", Roboto, sans-serif;
  font-size: 17px;
  line-height: 1.4;
  background: var(--lg-bg);
  color: var(--lg-text);
  min-height: 100vh;
  min-height: 100dvh;
  display: grid;
  place-items: center;
  -webkit-font-smoothing: antialiased;
}

.login-wrapper {
  width: 100%;
  max-width: 400px;
  padding: 48px 20px 32px;
}

.login-header {
  text-align: center;
  margin-bottom: 32px;
}

.login-logo {
  display: block;
  max-height: 56px;
  max-width: 70%;
  object-fit: contain;
  margin: 0 auto 20px;
}

.login-mark {
  width: 64px;
  height: 64px;
  margin: 0 auto 20px;
  border-radius: 16px;
  display: grid;
  place-items: center;
  background: var(--color-primary);
  color: #fff;
  font-size: 28px;
}

.login-header h1 {
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0 0 6px;
}

.login-header p {
  color: var(--lg-secondary);
  margin: 0;
  font-size: 15px;
}

.custom-alert {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  background: var(--lg-danger-bg);
  color: var(--lg-danger-text);
  padding: 12px 14px;
  border-radius: 12px;
  margin-bottom: 16px;
  font-size: 15px;
}

.field-group {
  background: var(--lg-field);
  border-radius: 12px;
  overflow: hidden;
  margin: 0 0 24px;
  padding: 0;
  border: 0;
}

.field-row {
  display: flex;
  align-items: center;
  min-height: 52px;
  padding: 0 16px;
  position: relative;
}

.field-row + .field-row::before {
  content: "";
  position: absolute;
  top: 0;
  left: 16px;
  right: 0;
  height: 1px;
  background: var(--lg-separator);
}

.field-row label {
  width: 84px;
  flex-shrink: 0;
  font-size: 17px;
  color: var(--lg-text);
}

.field-row input {
  flex: 1;
  min-width: 0;
  height: 52px;
  border: 0;
  background: transparent;
  font: inherit;
  color: var(--lg-text);
  outline: none;
}

.field-row input::placeholder { color: var(--lg-secondary); opacity: .8; }

.field-row:focus-within {
  box-shadow: inset 0 0 0 2px var(--color-primary);
  border-radius: 12px;
}

.toggle-pass {
  border: 0;
  background: none;
  color: var(--lg-secondary);
  width: 44px;
  height: 44px;
  margin-right: -10px;
  cursor: pointer;
  border-radius: 8px;
  font-size: 16px;
}

.toggle-pass:hover { color: var(--lg-text); }

.btn-solid {
  width: 100%;
  min-height: 50px;
  background: var(--color-primary);
  color: #fff;
  border: 0;
  border-radius: 12px;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  transition: background-color .15s ease, transform .1s ease;
}

.btn-solid:hover { background: var(--color-primary-hover); }
.btn-solid:active { transform: scale(0.98); }
.btn-solid[disabled] { opacity: .6; cursor: progress; }

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

.login-footer {
  text-align: center;
  margin-top: 32px;
  color: var(--lg-secondary);
  font-size: 13px;
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}