:root {
  --navy: #0B132B;
  --blue: #4A6CF7;
  --blue-hover: #3A5CE1;
  --success: #00C48C;
  --border: rgba(255, 255, 255, 0.1);
  --text: #F8F9FA;
  --text-muted: #ADB5BD;
  --radius: 8px;
}

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

body {
  min-height: 100vh;
  margin: 0;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  justify-content: flex-start;
  padding: 0;
  background:
    radial-gradient(circle at 20% 10%, rgba(74, 108, 247, 0.18), transparent 45%),
    radial-gradient(circle at 80% 90%, rgba(106, 17, 203, 0.16), transparent 45%),
    var(--navy);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

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

a:hover {
  text-decoration: underline;
}

.auth-header {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.auth-brand {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: var(--text);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.auth-brand:hover {
  text-decoration: none;
}

.auth-brand-icon {
  width: 30px;
  height: 30px;
  display: inline-grid;
  place-items: center;
  border: 1px solid rgba(74, 108, 247, 0.4);
  border-radius: 8px;
  background: rgba(74, 108, 247, 0.16);
  color: #8ea6ff;
}

.auth-brand-icon svg {
  width: 17px;
  height: 17px;
}

.auth-nav {
  display: flex;
  align-items: center;
  gap: 22px;
  font-size: 13px;
}

.auth-nav a {
  color: var(--text-muted);
}

.auth-nav a:hover {
  color: var(--text);
  text-decoration: none;
}

.auth-container {
  width: 100%;
  max-width: none;
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px 20px 64px;
}

.auth-card {
  width: 100%;
  max-width: 420px;
  padding: 40px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.3);
}

.auth-card h1 {
  margin: 0 0 8px;
  font-size: 24px;
  text-align: center;
}

.auth-card > p {
  margin: 0 0 32px;
  color: var(--text-muted);
  text-align: center;
}

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

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-size: 14px;
  font-weight: 500;
}

.form-group input[type="email"],
.form-group input[type="password"],
.form-group input[type="text"] {
  width: 100%;
  padding: 12px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-size: 16px;
}

.form-group input[type="email"]:focus,
.form-group input[type="password"]:focus,
.form-group input[type="text"]:focus {
  outline: none;
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(74, 108, 247, 0.18);
}

.auth-card [hidden] {
  display: none !important;
}

.auth-step-hint {
  margin: -6px 0 14px;
  color: var(--text-muted);
  font-size: 12.5px;
  line-height: 1.55;
  text-align: left;
}

.auth-step-hint strong {
  color: var(--text);
  font-weight: 600;
  letter-spacing: 0.03em;
}

.auth-link-button {
  display: inline-block;
  margin: 0 0 18px;
  padding: 0;
  border: 0;
  background: transparent;
  color: #8ea6ff;
  font: inherit;
  font-size: 13px;
  cursor: pointer;
  text-align: left;
}

.auth-link-button:hover {
  color: #b7c8ff;
  text-decoration: underline;
}

.auth-step-hint + .auth-link-button {
  margin-top: 0;
}

.form-hint {
  margin: 8px 0 0;
  color: var(--text-muted);
  font-size: 12px;
}

.form-forgot {
  margin: -8px 0 16px;
  font-size: 13px;
  text-align: right;
}

.checkbox-group {
  margin-top: 24px;
}

.remember-option {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: 11px;
  padding: 12px;
  border: 1px solid rgba(255, 255, 255, 0.11);
  border-radius: 9px;
  background: rgba(255, 255, 255, 0.025);
  color: var(--text-muted);
  cursor: pointer;
  transition: border-color 0.18s ease, background 0.18s ease;
}

.remember-option:hover {
  border-color: rgba(142, 166, 255, 0.4);
  background: rgba(74, 108, 247, 0.08);
}

.remember-option input[type="checkbox"] {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: 0;
  opacity: 0;
  pointer-events: none;
}

.remember-box {
  width: 20px;
  height: 20px;
  display: inline-grid;
  place-items: center;
  flex: 0 0 auto;
  margin-top: 1px;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 5px;
  background: rgba(255, 255, 255, 0.04);
  color: #fff;
  transition: background 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
}

.remember-box svg {
  width: 11px;
  height: 10px;
  opacity: 0;
  transform: scale(0.65);
  transition: opacity 0.16s ease, transform 0.16s ease;
}

.remember-option input:checked + .remember-box {
  background: var(--blue);
  border-color: var(--blue);
}

.remember-option input:checked + .remember-box svg {
  opacity: 1;
  transform: scale(1);
}

.remember-option input:focus-visible + .remember-box {
  box-shadow: 0 0 0 3px rgba(74, 108, 247, 0.35);
}

.remember-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.remember-text strong {
  color: var(--text);
  font-size: 13px;
  font-weight: 600;
  line-height: 1.4;
}

.remember-text small {
  color: #8794ab;
  font-size: 11.5px;
  line-height: 1.4;
}

.checkbox-label {
  display: flex !important;
  align-items: flex-start;
  gap: 10px;
  color: var(--text-muted);
  font-size: 13px;
  font-weight: 400 !important;
  line-height: 1.5;
  cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
  width: 18px;
  height: 18px;
  margin: 2px 0 0;
  flex-shrink: 0;
  accent-color: var(--blue);
  cursor: pointer;
}

.btn {
  width: 100%;
  padding: 14px;
  background-color: var(--blue);
  border: none;
  border-radius: var(--radius);
  color: white;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.2s, opacity 0.2s;
}

.btn:hover {
  background-color: var(--blue-hover);
}

.btn:disabled {
  opacity: 0.65;
  cursor: wait;
}

.auth-message {
  min-height: 20px;
  margin: 14px 0 0 !important;
  color: var(--text-muted);
  font-size: 13px;
  text-align: center;
}

.auth-message-error {
  color: #FF8A8A;
}

.auth-message-success {
  color: var(--success);
}

.auth-footer {
  margin-top: 24px;
  font-size: 14px;
  text-align: center;
}

.auth-footer a {
  font-weight: 500;
}

.auth-legal {
  margin: 18px 0 0;
  color: #7d8aa3;
  font-size: 12px;
  text-align: center;
}

.auth-legal a {
  color: #8da4d8;
}

@media (max-width: 600px) {
  .auth-header {
    padding: 16px;
    flex-wrap: wrap;
    gap: 12px;
  }

  .auth-nav {
    gap: 14px;
    font-size: 12px;
  }

  .auth-container {
    padding: 12px 12px 40px;
  }

  .auth-card {
    padding: 28px 20px;
  }
}

/* Brand assets */
.auth-logo {
  width: 220px;
  height: auto;
  display: block;
}

.auth-brand-icon img {
  width: 100%;
  height: 100%;
  display: block;
  border-radius: inherit;
}