/* ============================================================
   EU MONITORO — Auth Layout
   Depende de: tokens.css
   ============================================================ */

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

html {
  font-family: var(--em-font);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background: var(--em-bg);
  color: var(--em-text);
  min-height: 100vh;
}

a { color: var(--em-p500); text-decoration: none; transition: color var(--em-dur) var(--em-ease); }
a:hover { color: var(--em-p600); }

/* ── Auth Wrapper ── */
.auth-wrapper {
  display: flex;
  min-height: 100vh;
}

/* ── Painel Esquerdo (branding) ── */
.auth-panel-left {
  display: none;
  flex: 0 0 55%;
  max-width: 55%;
  background: linear-gradient(145deg, var(--em-p700) 0%, var(--em-p500) 50%, var(--em-p400) 100%);
  color: #fff;
  padding: 3rem;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.auth-panel-left::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 80%, rgba(255,255,255,.08) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(255,255,255,.06) 0%, transparent 50%);
  pointer-events: none;
}

@media (min-width: 992px) {
  .auth-panel-left { display: flex; }
}

.auth-brand-logo {
  width: 56px;
  height: auto;
  margin-bottom: 1.5rem;
  filter: brightness(0) invert(1);
}

.auth-brand-title {
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.5rem;
}

.auth-brand-title .prefix {
  font-weight: 300;
  opacity: .8;
}

.auth-brand-subtitle {
  font-size: 1rem;
  opacity: .7;
  max-width: 320px;
  line-height: 1.6;
}

/* ── Painel Direito (formulário) ── */
.auth-panel-right {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  background: var(--em-surface);
  transition: background var(--em-dur) var(--em-ease);
}

.auth-form-box {
  width: 100%;
  max-width: 400px;
}

/* ── Header do formulário ── */
.auth-heading {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--em-text);
  letter-spacing: -0.01em;
  margin-bottom: 0.25rem;
}

.auth-subheading {
  font-size: 0.875rem;
  color: var(--em-text2);
  margin-bottom: 1.75rem;
}

/* ── Form Groups ── */
.em-form-group {
  margin-bottom: 1.25rem;
  position: relative;
}

.em-form-group:last-of-type {
  margin-bottom: 1.5rem;
}

.em-label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--em-text);
  margin-bottom: 0.375rem;
}

.em-label-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}

.em-label-row .em-link-sm {
  font-size: 0.75rem;
  color: var(--em-text2);
  transition: color var(--em-dur) var(--em-ease);
}

.em-label-row .em-link-sm:hover {
  color: var(--em-p500);
}

/* ── Inputs ── */
.em-input {
  display: block;
  width: 100%;
  padding: 0.625rem 0.875rem;
  font-family: var(--em-font);
  font-size: 0.875rem;
  color: var(--em-text);
  background: var(--em-bg);
  border: 1px solid var(--em-border);
  border-radius: var(--em-r-md);
  outline: none;
  transition: border-color var(--em-dur) var(--em-ease), box-shadow var(--em-dur) var(--em-ease);
}

.em-input::placeholder {
  color: var(--em-muted);
}

.em-input:focus {
  border-color: var(--em-p400);
  box-shadow: 0 0 0 3px rgba(229, 62, 62, .12);
}

.em-input.is-invalid {
  border-color: var(--em-error);
}

.em-input.is-invalid:focus {
  box-shadow: 0 0 0 3px rgba(197, 48, 48, .15);
}

.em-input.is-valid {
  border-color: var(--em-success);
}

/* Password wrapper */
.em-input-password {
  position: relative;
}

.em-input-password .em-input {
  padding-right: 2.75rem;
}

.em-toggle-password {
  position: absolute;
  right: 0.625rem;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  cursor: pointer;
  color: var(--em-muted);
  padding: 0.25rem;
  display: flex;
  align-items: center;
  transition: color var(--em-dur) var(--em-ease);
}

.em-toggle-password:hover {
  color: var(--em-text2);
}

/* ── Strength meter ── */
.em-strength {
  display: flex;
  gap: 4px;
  margin-top: 0.5rem;
}

.em-strength-bar {
  flex: 1;
  height: 3px;
  background: var(--em-border);
  border-radius: 2px;
  transition: background var(--em-dur) var(--em-ease);
}

.em-strength[data-level="1"] .em-strength-bar:nth-child(1) { background: var(--em-error); }
.em-strength[data-level="2"] .em-strength-bar:nth-child(-n+2) { background: var(--em-warning); }
.em-strength[data-level="3"] .em-strength-bar:nth-child(-n+3) { background: var(--em-a500); }
.em-strength[data-level="4"] .em-strength-bar { background: var(--em-success); }

.em-strength-text {
  font-size: 0.6875rem;
  color: var(--em-muted);
  margin-top: 0.25rem;
}

/* ── Checkbox ── */
.em-checkbox {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
}

.em-checkbox input[type="checkbox"] {
  width: 16px;
  height: 16px;
  border: 1.5px solid var(--em-border-s);
  border-radius: 3px;
  appearance: none;
  cursor: pointer;
  transition: all var(--em-dur) var(--em-ease);
  flex-shrink: 0;
  position: relative;
  background: var(--em-bg);
}

.em-checkbox input[type="checkbox"]:checked {
  background: var(--em-p500);
  border-color: var(--em-p500);
}

.em-checkbox input[type="checkbox"]:checked::after {
  content: '';
  position: absolute;
  left: 4px;
  top: 1px;
  width: 5px;
  height: 9px;
  border: solid #fff;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

.em-checkbox-label {
  font-size: 0.8125rem;
  color: var(--em-text2);
  user-select: none;
}

/* ── Button ── */
.em-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  width: 100%;
  padding: 0.6875rem 1.25rem;
  font-family: var(--em-font);
  font-size: 0.875rem;
  font-weight: 600;
  border: 1px solid transparent;
  border-radius: var(--em-r-md);
  cursor: pointer;
  transition: all var(--em-dur) var(--em-ease);
  outline: none;
  text-decoration: none;
}

.em-btn:disabled,
.em-btn.is-loading {
  opacity: .6;
  cursor: not-allowed;
}

.em-btn-primary {
  background: var(--em-p500);
  color: #fff;
}

.em-btn-primary:hover:not(:disabled) {
  background: var(--em-p600);
  box-shadow: var(--em-sh-p);
}

.em-btn-primary:active:not(:disabled) {
  background: var(--em-p700);
}

.em-btn-outline {
  background: transparent;
  color: var(--em-text2);
  border-color: var(--em-border);
}

.em-btn-outline:hover:not(:disabled) {
  background: var(--em-bg-alt);
  border-color: var(--em-border-s);
}

/* Loading spinner */
.em-btn .em-spinner {
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255,255,255,.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: em-spin .6s linear infinite;
  display: none;
}

.em-btn.is-loading .em-spinner { display: block; }
.em-btn.is-loading .em-btn-text { opacity: .5; }

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

/* ── Divider ── */
.em-divider {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin: 1.5rem 0;
  color: var(--em-muted);
  font-size: 0.75rem;
}

.em-divider::before,
.em-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--em-border);
}

/* ── Error feedback ── */
.em-feedback {
  font-size: 0.75rem;
  margin-top: 0.25rem;
  color: var(--em-error);
}

/* ── Flash alerts ── */
.em-alert {
  padding: 0.75rem 1rem;
  border-radius: var(--em-r-md);
  font-size: 0.8125rem;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.em-alert--success {
  background: rgba(56, 161, 105, .1);
  color: var(--em-success);
  border: 1px solid rgba(56, 161, 105, .2);
}

.em-alert--error {
  background: rgba(197, 48, 48, .1);
  color: var(--em-error);
  border: 1px solid rgba(197, 48, 48, .2);
}

/* ── Footer link ── */
.auth-footer {
  text-align: center;
  margin-top: 1.5rem;
  font-size: 0.8125rem;
  color: var(--em-text2);
}

.auth-footer a {
  font-weight: 600;
}

/* ── Theme toggle (mini) ── */
.auth-theme-toggle {
  position: fixed;
  bottom: 1.25rem;
  right: 1.25rem;
  width: 36px;
  height: 36px;
  border-radius: var(--em-r-full);
  border: 1px solid var(--em-border);
  background: var(--em-surface);
  color: var(--em-text2);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--em-dur) var(--em-ease);
  box-shadow: var(--em-sh-sm);
  z-index: 50;
}

.auth-theme-toggle:hover {
  border-color: var(--em-border-s);
  color: var(--em-text);
}

/* ── 2FA code input ── */
.em-input-otp {
  letter-spacing: 0.5em;
  text-align: center;
  font-family: var(--em-mono);
  font-size: 1.25rem;
  font-weight: 600;
}

/* ── Toggle link btn ── */
.em-link-btn {
  background: none;
  border: none;
  color: var(--em-text2);
  font-family: var(--em-font);
  font-size: 0.8125rem;
  cursor: pointer;
  padding: 0;
  transition: color var(--em-dur) var(--em-ease);
}

.em-link-btn:hover {
  color: var(--em-p500);
}

/* ── Responsive ── */
@media (max-width: 991px) {
  .auth-panel-right {
    padding: 1.5rem;
  }

  .auth-form-box {
    max-width: 100%;
  }
}

@media (max-width: 480px) {
  .auth-heading { font-size: 1.25rem; }
  .auth-panel-right { padding: 1.25rem; }
}