:root {
  --primary-color: #0f766e;
  --primary-dark: #0d5f59;
  --primary-soft: #ecfdf5;
  --secondary-color: #0f172a;
  --background-color: #ffffff;
  --border-color: #e2e8f0;
  --text-color: #334155;
  --dark-gray: #64748b;
  --border-radius: 20px;
  --shadow: 0 18px 50px rgba(15, 23, 42, 0.1);
  --color-scheme: light;
}

html[data-theme="dark"] {
  --primary-color: #2dd4bf;
  --primary-dark: #5eead4;
  --primary-soft: rgba(45, 212, 191, 0.12);
  --secondary-color: #f1f5f9;
  --background-color: #111827;
  --border-color: #334155;
  --text-color: #cbd5e1;
  --dark-gray: #94a3b8;
  --shadow: 0 18px 50px rgba(0, 0, 0, 0.45);
  --color-scheme: dark;
}

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

html {
  color-scheme: var(--color-scheme, light);
}

body.auth-page {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-family);
  color: var(--text-color);
  background:
    radial-gradient(ellipse 80% 60% at 100% 0%, rgba(14, 165, 233, 0.14), transparent 55%),
    radial-gradient(ellipse 70% 50% at 0% 100%, rgba(15, 118, 110, 0.16), transparent 50%),
    linear-gradient(160deg, #f0fdfa 0%, #f8fafc 45%, #eef6ff 100%);
  position: relative;
  overflow-x: hidden;
  transition: background 0.25s ease, color 0.2s ease;
}

html[data-theme="dark"] body.auth-page {
  background:
    radial-gradient(ellipse 80% 55% at 100% 0%, rgba(45, 212, 191, 0.12), transparent 55%),
    radial-gradient(ellipse 70% 50% at 0% 100%, rgba(56, 189, 248, 0.08), transparent 50%),
    linear-gradient(160deg, #0b1220 0%, #0f172a 48%, #111827 100%);
}

body.auth-page::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: 0.45;
  background-image:
    linear-gradient(rgba(15, 118, 110, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(15, 118, 110, 0.04) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 70% 70% at 50% 40%, #000 20%, transparent 75%);
}

html[data-theme="dark"] body.auth-page::before {
  opacity: 0.28;
  background-image:
    linear-gradient(rgba(45, 212, 191, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(45, 212, 191, 0.06) 1px, transparent 1px);
}

.auth-wrap {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 28px 16px 72px;
}

.portal-footer {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 80;
  min-height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px 16px;
  flex-wrap: wrap;
  padding: 8px 16px;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px);
  border-top: 1px solid var(--border-color);
  color: var(--dark-gray);
  font-size: 0.78rem;
  line-height: 1.4;
  font-family: var(--font-family);
}

html[data-theme="dark"] .portal-footer {
  background: rgba(17, 24, 39, 0.92);
}

.portal-footer a {
  color: var(--primary-color);
  font-weight: 700;
  text-decoration: none;
}

.portal-footer a:hover {
  text-decoration: underline;
}

.auth-theme-toggle {
  position: fixed;
  top: 16px;
  left: 16px;
  z-index: 90;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 999px;
  border: 1px solid var(--border-color);
  background: var(--background-color);
  color: var(--secondary-color);
  cursor: pointer;
  padding: 0;
  margin: 0;
  line-height: 0;
  overflow: hidden;
  box-shadow: 0 6px 18px rgba(15, 23, 42, 0.08);
  transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease, box-shadow 0.15s ease;
}

.auth-theme-toggle:hover {
  background: var(--primary-soft);
  border-color: rgba(15, 118, 110, 0.35);
  color: var(--primary-color);
}

html[data-theme="dark"] .auth-theme-toggle {
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.35);
}

.auth-theme-toggle i {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 0.95rem;
  line-height: 1;
  display: none;
}

html:not([data-theme="dark"]) .auth-theme-toggle .theme-icon-moon {
  display: block;
}

html[data-theme="dark"] .auth-theme-toggle .theme-icon-sun {
  display: block;
}

.auth-card {
  width: min(100%, 420px);
  background: rgba(255, 255, 255, 0.96);
  border: 1px solid rgba(226, 232, 240, 0.9);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
  padding: 32px 28px 28px;
  backdrop-filter: blur(10px);
  animation: auth-card-in 0.55s cubic-bezier(0.22, 1, 0.36, 1) both;
  transition: background 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

html[data-theme="dark"] .auth-card {
  background: rgba(17, 24, 39, 0.94);
  border-color: rgba(51, 65, 85, 0.95);
}

@keyframes auth-card-in {
  from {
    opacity: 0;
    transform: translateY(14px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.auth-brand {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 10px;
  margin-bottom: 22px;
}

.auth-brand-logo {
  width: 72px;
  height: 72px;
  object-fit: contain;
  border-radius: 16px;
  background: #fff;
  border: 1px solid var(--border-color);
  box-shadow: 0 6px 18px rgba(15, 23, 42, 0.06);
}

.auth-brand-mark {
  width: 72px;
  height: 72px;
  border-radius: 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(145deg, #0f766e 0%, #0d9488 55%, #0891b2 100%);
  color: #fff;
  font-size: 1.75rem;
  box-shadow: 0 10px 24px rgba(15, 118, 110, 0.28);
}

.auth-brand-name {
  margin: 0;
  font-size: 1.45rem;
  font-weight: 700;
  color: var(--secondary-color);
  letter-spacing: -0.02em;
  line-height: 1.3;
}

.auth-brand-slogan {
  margin: 0;
  font-size: 0.88rem;
  color: var(--dark-gray);
  line-height: 1.5;
  max-width: 28ch;
}

.auth-card h1 {
  margin: 0 0 6px;
  text-align: center;
  color: var(--secondary-color);
  font-size: 1.15rem;
  font-weight: 700;
}

.auth-subtitle {
  text-align: center;
  color: var(--dark-gray);
  margin: 0 0 22px;
  font-size: 0.88rem;
  line-height: 1.55;
}

.form-group {
  margin-bottom: 14px;
}

.form-group label {
  display: block;
  margin-bottom: 6px;
  font-weight: 600;
  color: var(--text-color);
  font-size: 0.88rem;
}

.input-with-icon {
  position: relative;
}

.input-with-icon > i,
.input-with-icon > .toggle-password {
  position: absolute;
  top: 50%;
  left: 12px;
  right: auto;
  transform: translateY(-50%);
  color: var(--dark-gray);
  font-size: 0.92rem;
  transition: color 0.2s ease;
}

.input-with-icon > i {
  pointer-events: none;
}

.input-with-icon > .toggle-password {
  pointer-events: auto;
  border: none;
  background: transparent;
  padding: 4px;
  margin: 0;
  cursor: pointer;
  line-height: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
}

.input-with-icon > .toggle-password:hover,
.input-with-icon > .toggle-password:focus-visible {
  color: var(--primary-color);
  outline: none;
}

.input-with-icon input {
  padding-left: 40px;
  padding-right: 12px;
}

.input-with-icon:focus-within > i,
.input-with-icon:focus-within > .toggle-password {
  color: var(--primary-color);
}

.form-group input {
  width: 100%;
  min-height: 42px;
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 9px 12px;
  font-size: 0.95rem;
  font-family: inherit;
  color: var(--secondary-color);
  background: var(--background-color);
  transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.form-group input:hover {
  border-color: #cbd5e1;
}

html[data-theme="dark"] .form-group input:hover {
  border-color: #475569;
}

.form-group input:focus {
  outline: none;
  border-color: var(--primary-color);
  background: var(--background-color);
  box-shadow: 0 0 0 3px rgba(15, 118, 110, 0.14);
}

html[data-theme="dark"] .form-group input:focus {
  box-shadow: 0 0 0 3px rgba(45, 212, 191, 0.2);
}

html[data-theme="dark"] .form-group input::placeholder {
  color: #64748b;
}

html[data-theme="dark"] .auth-brand-logo {
  background: #0f172a;
  border-color: var(--border-color);
}

html[data-theme="dark"] .error-message {
  background: rgba(248, 113, 113, 0.12);
  color: #fca5a5;
  border-color: rgba(248, 113, 113, 0.3);
}

html[data-theme="dark"] .success-message,
html[data-theme="dark"] .forgot-msg.is-ok {
  background: rgba(74, 222, 128, 0.12);
  color: #86efac;
  border-color: rgba(74, 222, 128, 0.3);
}

html[data-theme="dark"] .forgot-msg.is-err {
  background: rgba(248, 113, 113, 0.12);
  color: #fca5a5;
  border-color: rgba(248, 113, 113, 0.3);
}

html[data-theme="dark"] .btn-primary {
  color: #0b1220;
  background: linear-gradient(135deg, #14b8a6 0%, #2dd4bf 100%);
  box-shadow: 0 8px 20px rgba(45, 212, 191, 0.22);
}

.remember-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 4px 0 16px;
  font-size: 0.88rem;
  color: var(--text-color);
}

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

.remember-row label {
  cursor: pointer;
  user-select: none;
}

.btn-primary {
  width: 100%;
  min-height: 44px;
  border: none;
  border-radius: 12px;
  background: linear-gradient(135deg, #0f766e 0%, #0d9488 100%);
  color: #fff;
  font-weight: 700;
  font-size: 0.98rem;
  font-family: inherit;
  cursor: pointer;
  box-shadow: 0 8px 20px rgba(15, 118, 110, 0.28);
  transition: transform 0.18s ease, box-shadow 0.18s ease, filter 0.18s ease;
}

.btn-primary:hover {
  filter: brightness(1.05);
  box-shadow: 0 10px 26px rgba(15, 118, 110, 0.34);
  transform: translateY(-1px);
}

.btn-primary:active {
  transform: translateY(0);
  filter: brightness(0.98);
}

.btn-primary:disabled,
.btn-primary.is-loading {
  cursor: not-allowed;
  filter: none;
  transform: none;
  opacity: 0.92;
  box-shadow: 0 6px 16px rgba(15, 118, 110, 0.2);
}

.btn-primary.is-loading {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  pointer-events: none;
}

.btn-primary.is-loading .btn-spinner {
  width: 1em;
  height: 1em;
  border: 2px solid rgba(255, 255, 255, 0.35);
  border-top-color: #fff;
  border-radius: 50%;
  animation: btn-spin 0.7s linear infinite;
  flex-shrink: 0;
}

html[data-theme="dark"] .btn-primary:disabled,
html[data-theme="dark"] .btn-primary.is-loading {
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.28);
}

.auth-links {
  text-align: center;
  margin-top: 18px;
  font-size: 0.9rem;
}

.auth-links a,
.auth-links button {
  color: var(--primary-color);
  font-weight: 600;
  text-decoration: none;
  font-family: inherit;
}

.auth-links a:hover,
.auth-links button:hover {
  text-decoration: underline;
}

.auth-links--resend {
  margin-top: 14px;
}

.auth-links button.resend-code-btn {
  appearance: none;
  -webkit-appearance: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin: 0;
  padding: 8px 12px;
  border: 0;
  border-radius: 999px;
  background: transparent;
  box-shadow: none;
  color: var(--primary-color);
  font: inherit;
  font-size: 0.92rem;
  font-weight: 600;
  line-height: 1.3;
  cursor: pointer;
  text-decoration: none;
  transition: color 0.15s ease, background 0.15s ease, opacity 0.15s ease;
}

.auth-links button.resend-code-btn i {
  font-size: 0.85em;
  opacity: 0.9;
}

.auth-links button.resend-code-btn:hover:not(:disabled):not(.is-disabled) {
  background: var(--primary-soft);
  text-decoration: none;
}

.auth-links button.resend-code-btn:focus-visible {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

.auth-links button.resend-code-btn.is-disabled,
.auth-links button.resend-code-btn:disabled,
.auth-links button.resend-code-btn.is-waiting {
  color: var(--dark-gray);
  background: transparent;
  cursor: not-allowed;
  text-decoration: none;
  opacity: 1;
  font-variant-numeric: tabular-nums;
}

.auth-links button.resend-code-btn.is-disabled:hover,
.auth-links button.resend-code-btn:disabled:hover,
.auth-links button.resend-code-btn.is-waiting:hover {
  background: transparent;
  text-decoration: none;
}

.auth-links button.resend-code-btn.is-waiting i {
  animation: resend-spin 1.1s linear infinite;
  opacity: 0.7;
}

.auth-links button.resend-code-btn.is-sending {
  color: var(--dark-gray);
  background: transparent;
  cursor: wait;
  pointer-events: none;
}

.auth-links button.resend-code-btn.is-sending i {
  animation: btn-spin 0.7s linear infinite;
  opacity: 0.85;
}

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

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

@media (prefers-reduced-motion: reduce) {
  .auth-links button.resend-code-btn.is-waiting i,
  .auth-links button.resend-code-btn.is-sending i,
  .btn-primary.is-loading .btn-spinner {
    animation: none;
  }
}

.error-message {
  background: #fef2f2;
  color: #991b1b;
  border: 1px solid #fecaca;
  padding: 10px 12px;
  border-radius: 12px;
  margin-bottom: 14px;
  font-size: 0.88rem;
}

.success-message {
  background: #ecfdf5;
  color: #166534;
  border: 1px solid #bbf7d0;
  padding: 10px 12px;
  border-radius: 12px;
  margin-bottom: 14px;
  font-size: 0.88rem;
}

.forgot-step {
  display: none;
}

.forgot-step.is-active {
  display: block;
}

.forgot-msg {
  margin: 0 0 14px;
  padding: 10px 12px;
  border-radius: 12px;
  display: none;
  font-size: 0.88rem;
}

.forgot-msg.is-ok {
  display: block;
  background: #ecfdf5;
  color: #166534;
  border: 1px solid #bbf7d0;
}

.forgot-msg.is-err {
  display: block;
  background: #fef2f2;
  color: #991b1b;
  border: 1px solid #fecaca;
}

#forgotCodeInput {
  letter-spacing: 0.35em;
  font-size: 1.15rem;
  font-weight: 700;
  text-align: center;
}

.portal-whatsapp-float {
  position: fixed;
  left: 20px;
  bottom: 56px;
  z-index: 1200;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: #25d366;
  color: #fff;
  font-size: 1.7rem;
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.35);
  text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.portal-whatsapp-float:hover {
  transform: translateY(-2px) scale(1.04);
  background: #1ebe57;
  color: #fff;
  box-shadow: 0 12px 28px rgba(37, 211, 102, 0.45);
}

@media (max-width: 480px) {
  .auth-card {
    padding: 26px 18px 22px;
    border-radius: 16px;
  }

  .auth-brand-name {
    font-size: 1.28rem;
  }

  .auth-brand-logo,
  .auth-brand-mark {
    width: 64px;
    height: 64px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .auth-card {
    animation: none;
  }

  .btn-primary,
  .form-group input,
  .portal-whatsapp-float {
    transition: none;
  }
}