@import url('https://fonts.googleapis.com/css2?family=Source+Sans+3:wght@400;500;600;700&family=Source+Serif+4:opsz,wght@8..60,400;8..60,600&display=swap');

:root {
  --nt-green: #004225;
  --nt-green-dark: #002d1a;
  --nt-green-muted: #0a5234;
  --nt-gold: #b3995d;
  --nt-gold-light: #d4c4a0;
  --nt-slate: #2c2c2c;
  --nt-text-muted: #5c6b64;
  --nt-border: #d8deda;
  --nt-white: #ffffff;
  --nt-cream: #f7f6f2;
  --nt-error: #b42318;
  --nt-error-bg: #fef3f2;
  --font-sans: 'Source Sans 3', 'Segoe UI', system-ui, sans-serif;
  --font-serif: 'Source Serif 4', Georgia, 'Times New Roman', serif;
}

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

html,
body {
  height: 100%;
}

body {
  font-family: var(--font-sans);
  color: var(--nt-slate);
  background: var(--nt-cream);
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--nt-green);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 10001;
  padding: 10px 16px;
  background: var(--nt-green);
  color: var(--nt-white);
  font-size: 13px;
  font-weight: 600;
}

.skip-link:focus {
  left: 16px;
  top: 16px;
}

.login-shell {
  min-height: 100%;
  display: flex;
  flex-direction: column;
}

.login-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 32px;
  background: var(--nt-white);
  border-bottom: 1px solid var(--nt-border);
}

.login-topbar__brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.login-topbar__brand img {
  height: 52px;
  width: auto;
  max-width: 140px;
}

.login-topbar__brand span {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--nt-green);
}

.login-topbar__back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--nt-green);
}

.login-topbar__back svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.login-main {
  flex: 1;
  display: grid;
  grid-template-columns: minmax(320px, 1fr) minmax(380px, 520px);
  min-height: 0;
}

.login-panel--info {
  background: linear-gradient(165deg, var(--nt-green) 0%, var(--nt-green-dark) 62%, #001a0f 100%);
  color: var(--nt-white);
  padding: 48px 56px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.login-panel--info::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 50% at 0% 100%, rgba(179, 153, 93, 0.18), transparent 55%),
    radial-gradient(ellipse 60% 40% at 100% 0%, rgba(255, 255, 255, 0.06), transparent 50%);
  pointer-events: none;
}

.login-panel--info > * {
  position: relative;
  z-index: 1;
}

.info-eyebrow {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--nt-gold-light);
  margin-bottom: 12px;
}

.info-title {
  font-family: var(--font-serif);
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  font-weight: 600;
  line-height: 1.25;
  margin-bottom: 16px;
  max-width: 28ch;
}

.info-lead {
  font-size: 1rem;
  line-height: 1.65;
  color: rgba(255, 255, 255, 0.88);
  max-width: 42ch;
  margin-bottom: 36px;
}

.info-carousel {
  position: relative;
  min-height: 200px;
}

.info-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.6s ease, transform 0.6s ease;
  pointer-events: none;
}

.info-slide.is-active {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.info-feature {
  display: flex;
  gap: 18px;
  align-items: flex-start;
  padding: 20px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.info-feature:first-child {
  border-top: none;
  padding-top: 0;
}

.info-feature__icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(179, 153, 93, 0.35);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.info-feature__icon svg {
  width: 22px;
  height: 22px;
  stroke: var(--nt-gold-light);
  fill: none;
  stroke-width: 1.75;
}

.info-feature h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 6px;
}

.info-feature p {
  font-size: 0.9rem;
  line-height: 1.55;
  color: rgba(255, 255, 255, 0.78);
}

.info-dots {
  display: flex;
  gap: 8px;
  margin-top: 28px;
}

.info-dots button {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  border: none;
  background: rgba(255, 255, 255, 0.25);
  cursor: pointer;
  padding: 0;
  transition: background 0.25s ease, transform 0.25s ease;
}

.info-dots button.is-active {
  background: var(--nt-gold);
  transform: scale(1.15);
}

.info-dots button:hover {
  background: rgba(255, 255, 255, 0.5);
}

.info-security-link {
  margin-top: 32px;
  font-size: 0.875rem;
}

.info-security-link a {
  color: var(--nt-gold-light);
  font-weight: 600;
}

.login-panel--form {
  background: var(--nt-white);
  padding: 48px 56px 40px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  box-shadow: -8px 0 32px rgba(0, 66, 37, 0.06);
}

.form-header h1 {
  font-family: var(--font-serif);
  font-size: 1.75rem;
  font-weight: 600;
  color: var(--nt-green);
  margin-bottom: 10px;
}

.form-header p {
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--nt-text-muted);
  margin-bottom: 28px;
  max-width: 36ch;
}

.login-alert {
  display: none;
  align-items: flex-start;
  gap: 10px;
  padding: 12px 14px;
  border-radius: 8px;
  background: var(--nt-error-bg);
  border: 1px solid #fecdca;
  color: var(--nt-error);
  font-size: 0.875rem;
  line-height: 1.45;
  margin-bottom: 20px;
}

.login-alert.is-visible {
  display: flex;
}

.login-alert svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  margin-top: 1px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--nt-slate);
  margin-bottom: 8px;
}

.form-group input[type='text'],
.form-group input[type='password'] {
  width: 100%;
  padding: 12px 14px;
  font-size: 1rem;
  font-family: inherit;
  border: 1px solid var(--nt-border);
  border-radius: 4px;
  background: var(--nt-white);
  color: var(--nt-slate);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-group input:focus {
  outline: none;
  border-color: var(--nt-green);
  box-shadow: 0 0 0 3px rgba(0, 66, 37, 0.12);
}

.form-group input::placeholder {
  color: #94a3b8;
}

.caps-warning {
  display: none;
  font-size: 0.75rem;
  color: #b45309;
  margin-top: 6px;
}

.caps-warning.is-visible {
  display: block;
}

.form-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 24px;
}

.form-check {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  color: var(--nt-text-muted);
  cursor: pointer;
}

.form-check input {
  width: 16px;
  height: 16px;
  accent-color: var(--nt-green);
}

.form-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.875rem;
  font-weight: 500;
}

.btn-login {
  width: 100%;
  padding: 14px 20px;
  font-size: 1rem;
  font-weight: 600;
  font-family: inherit;
  color: var(--nt-white);
  background: var(--nt-green);
  border: none;
  border-radius: 4px;
  cursor: pointer;
  transition: background 0.2s ease, transform 0.15s ease;
}

.btn-login:hover:not(:disabled) {
  background: var(--nt-green-dark);
}

.btn-login:disabled {
  opacity: 0.65;
  cursor: not-allowed;
}

.btn-login.is-loading {
  position: relative;
  color: transparent;
}

.btn-login.is-loading::after {
  content: '';
  position: absolute;
  width: 20px;
  height: 20px;
  top: 50%;
  left: 50%;
  margin: -10px 0 0 -10px;
  border: 2px solid rgba(255, 255, 255, 0.35);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

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

.form-footer {
  margin-top: 28px;
  padding-top: 20px;
  border-top: 1px solid var(--nt-border);
  font-size: 0.8125rem;
  color: var(--nt-text-muted);
  line-height: 1.55;
}

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

/* OTP modal */
.login-otp-modal {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.login-otp-modal[hidden] {
  display: none !important;
}

.login-otp-modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.55);
  backdrop-filter: blur(8px);
}

.login-otp-modal__sheet {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 440px;
  background: var(--nt-white);
  border-radius: 12px;
  padding: 32px 28px 28px;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.35);
  animation: otpModalIn 0.35s ease-out;
}

@keyframes otpModalIn {
  from { opacity: 0; transform: translateY(16px) scale(0.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.login-otp-modal__close {
  position: absolute;
  top: 14px;
  right: 14px;
  border: none;
  background: transparent;
  color: #64748b;
  cursor: pointer;
  padding: 6px;
  border-radius: 6px;
}

.login-otp-modal__close:hover {
  background: var(--nt-cream);
  color: var(--nt-slate);
}

.login-otp-modal__title {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--nt-green);
  margin-bottom: 10px;
  padding-right: 28px;
}

.login-otp-modal__subtitle {
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--nt-text-muted);
  margin-bottom: 18px;
}

.login-otp-banner {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  background: #ecfdf5;
  border-left: 4px solid var(--nt-green);
  padding: 12px 14px;
  border-radius: 6px;
  font-size: 0.8125rem;
  line-height: 1.5;
  color: #065f46;
  margin-bottom: 22px;
}

.login-otp-digits {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 22px;
}

.login-otp-digit {
  width: 100%;
  max-width: 52px;
  height: 56px;
  border: 2px solid var(--nt-border);
  border-radius: 8px;
  text-align: center;
  font-size: 1.35rem;
  font-weight: 700;
  font-family: inherit;
  color: var(--nt-slate);
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.login-otp-digit:focus {
  border-color: var(--nt-green);
  box-shadow: 0 0 0 3px rgba(0, 66, 37, 0.15);
}

.login-otp-modal__error {
  background: var(--nt-error-bg);
  border: 1px solid #fecdca;
  color: var(--nt-error);
  font-size: 0.875rem;
  padding: 10px 12px;
  border-radius: 6px;
  margin-bottom: 16px;
  line-height: 1.45;
}

.login-otp-modal__actions {
  display: flex;
  justify-content: space-between;
  margin-top: 16px;
  gap: 12px;
}

.btn-text {
  background: none;
  border: none;
  padding: 0;
  font-family: inherit;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--nt-green);
  cursor: pointer;
}

.btn-text:hover {
  text-decoration: underline;
}

.btn-text:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.login-page-footer {
  padding: 14px 32px;
  background: var(--nt-white);
  border-top: 1px solid var(--nt-border);
  font-size: 0.75rem;
  color: #94a3b8;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}

@media (max-width: 960px) {
  .login-main {
    grid-template-columns: 1fr;
  }

  .login-panel--info {
    padding: 36px 28px;
    min-height: auto;
  }

  .info-carousel {
    min-height: 160px;
  }

  .login-panel--form {
    padding: 36px 28px 32px;
    box-shadow: none;
  }

  .login-topbar {
    padding: 14px 20px;
  }
}

@media (max-width: 480px) {
  .login-topbar__brand span {
    display: none;
  }

  .form-row {
    flex-direction: column;
    align-items: flex-start;
  }
}