/* 登录注册页面样式 */

.login-page {
  min-height: 100vh;
  background: linear-gradient(160deg, #0f172a 0%, #1e3a5f 100%);
  padding-bottom: 2rem;
}

.login-page .site-header {
  background: rgba(15, 23, 42, 0.85);
  border-bottom-color: rgba(255, 255, 255, 0.1);
}

.login-page .logo {
  color: #fff;
}

.login-page .nav a {
  color: rgba(255, 255, 255, 0.75);
}

.login-page .nav a:hover {
  color: #fff;
}

.login-page .nav-toggle {
  background: rgba(255, 255, 255, 0.1);
}

.login-page .nav-toggle::before,
.login-page .nav-toggle::after {
  background: #fff;
}

@media (max-width: 768px) {
  .login-page .nav {
    background: rgba(15, 23, 42, 0.98);
    border-bottom-color: rgba(255, 255, 255, 0.1);
  }

  .login-page .user-bar {
    background: rgba(15, 23, 42, 0.98);
    border-bottom-color: rgba(255, 255, 255, 0.1);
  }
}

.login-container {
  width: 100%;
  max-width: 400px;
  margin: 2rem auto 0;
}

.login-card {
  background: rgba(255, 255, 255, 0.98);
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: var(--shadow-lg);
}

.login-header {
  text-align: center;
  margin-bottom: 1.5rem;
}

.login-brand {
  margin: 0 0 0.25rem;
  font-family: var(--font-en);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text);
}

.login-brand-accent {
  color: var(--accent);
}

.login-subtitle {
  margin: 0;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.login-tabs {
  display: flex;
  gap: 0.25rem;
  margin-bottom: 1.5rem;
  border-bottom: 1px solid var(--border);
  padding-bottom: 0.25rem;
}

.login-tab {
  flex: 1;
  padding: 0.6rem 0.25rem;
  border: none;
  background: none;
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-muted);
  cursor: pointer;
  position: relative;
  transition: color 0.2s;
}

.login-tab:hover {
  color: var(--text);
}

.login-tab.is-active {
  color: var(--accent);
}

.login-tab.is-active::after {
  content: "";
  position: absolute;
  bottom: -0.25rem;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--accent);
  border-radius: 1px;
}

.login-form {
  display: none;
}

.login-form.is-active {
  display: block;
}

.form-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.form-row .form-label {
  flex-shrink: 0;
  width: 60px;
  margin-bottom: 0;
  text-align: right;
}

.form-row .form-input {
  flex: 1;
}

.input-with-btn {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.input-with-btn .form-input {
  flex: 1;
}

.form-label {
  display: block;
  margin-bottom: 0.35rem;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text);
}

.form-input {
  width: 100%;
  padding: 0.7rem 0.9rem;
  font-family: inherit;
  font-size: 0.95rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: #fff;
  color: var(--text);
  transition: border-color 0.2s, box-shadow 0.2s;
}

.form-input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(13, 110, 253, 0.1);
}

.form-input::placeholder {
  color: #aab4c2;
}

.code-input-wrap {
  display: flex;
  gap: 0.5rem;
}

.code-input-wrap .form-input {
  flex: 1;
}

.btn-code {
  flex-shrink: 0;
  white-space: nowrap;
  padding: 0.5rem 0.6rem;
  font-size: 0.8rem;
}

.btn-code:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

@media (max-width: 480px) {
  .form-row {
    flex-direction: column;
    align-items: stretch;
    gap: 0.4rem;
  }

  .form-row .form-label {
    width: auto;
    text-align: left;
  }

  .input-with-btn {
    flex-direction: column;
    align-items: stretch;
  }

  .input-with-btn .btn-code {
    align-self: flex-end;
  }
}

.btn-block {
  width: 100%;
  margin-top: 0.5rem;
}

.form-hint {
  margin: 1rem 0 0;
  font-size: 0.85rem;
  color: var(--text-muted);
  text-align: center;
}

.form-hint .link {
  color: var(--accent);
  text-decoration: none;
}

.form-hint .link:hover {
  text-decoration: underline;
}

.login-footer {
  margin-top: 1.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border);
  text-align: center;
}

.back-link {
  font-size: 0.9rem;
  color: var(--text-muted);
  text-decoration: none;
}

.back-link:hover {
  color: var(--accent);
}

/* 提示消息 */
.toast {
  position: fixed;
  top: 1.5rem;
  left: 50%;
  transform: translateX(-50%) translateY(-20px);
  padding: 0.75rem 1.25rem;
  background: #1a2332;
  color: #fff;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  box-shadow: var(--shadow-md);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s, transform 0.25s;
  z-index: 200;
}

.toast.is-show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
  pointer-events: auto;
}

.toast--success {
  background: #059669;
}

.toast--error {
  background: #dc2626;
}