/* ==================== 登录页样式 ==================== */
.login-page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 40px 20px;
  position: relative;
  overflow-x: hidden;
}

/* ==================== 背景装饰 ==================== */
.login-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.ink-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.5;
}

.blob-1 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, var(--gold) 0%, transparent 70%);
  top: -10%;
  left: -10%;
}

.blob-2 {
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--ink) 0%, transparent 70%);
  bottom: -15%;
  right: -10%;
  opacity: 0.3;
}

.blob-3 {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, var(--gold-deep) 0%, transparent 70%);
  top: 40%;
  right: 30%;
  opacity: 0.2;
}

.bg-poem {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-family: var(--font-brush);
  font-size: 220px;
  color: rgba(212, 160, 74, 0.04);
  text-align: center;
  line-height: 1.4;
  letter-spacing: 20px;
  white-space: nowrap;
  writing-mode: horizontal-tb;
  user-select: none;
}

/* ==================== 顶部品牌 ==================== */
.login-brand {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 32px;
  font-family: var(--font-brush);
  font-size: 28px;
  color: var(--ink-deep);
  letter-spacing: 6px;
  transition: var(--transition);
}

.login-brand:hover {
  transform: translateY(-2px);
}

.login-brand .logo-icon {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, var(--gold) 0%, var(--gold-deep) 100%);
  color: var(--paper);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  font-size: 24px;
  box-shadow: var(--shadow-gold);
}

/* ==================== 主卡片 ==================== */
.login-main {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 960px;
}

.login-card {
  display: grid;
  grid-template-columns: 380px 1fr;
  background: rgba(250, 245, 232, 0.95);
  backdrop-filter: blur(20px);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 
    0 30px 80px rgba(15, 39, 68, 0.25),
    0 0 0 1px rgba(212, 160, 74, 0.3);
  position: relative;
}

.login-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(45deg, rgba(157, 118, 40, 0.03) 0 2px, transparent 2px 7px),
    repeating-linear-gradient(-45deg, rgba(15, 39, 68, 0.02) 0 2px, transparent 2px 9px);
  pointer-events: none;
  z-index: 0;
}

.login-card .corner-tl,
.login-card .corner-tr,
.login-card .corner-bl,
.login-card .corner-br {
  position: absolute;
  width: 28px;
  height: 28px;
  border: 2px solid var(--gold);
  opacity: 0.6;
  z-index: 10;
}

.login-card .corner-tl {
  top: 12px;
  left: 12px;
  border-right: none;
  border-bottom: none;
  border-radius: 4px 0 0 0;
}

.login-card .corner-tr {
  top: 12px;
  right: 12px;
  border-left: none;
  border-bottom: none;
  border-radius: 0 4px 0 0;
}

.login-card .corner-bl {
  bottom: 12px;
  left: 12px;
  border-right: none;
  border-top: none;
  border-radius: 0 0 0 4px;
}

.login-card .corner-br {
  bottom: 12px;
  right: 12px;
  border-left: none;
  border-top: none;
  border-radius: 0 0 4px 0;
}

/* ==================== 左侧装饰面板 ==================== */
.login-aside {
  background: 
    radial-gradient(circle at 30% 30%, rgba(212, 160, 74, 0.2) 0%, transparent 60%),
    linear-gradient(180deg, var(--ink-deep) 0%, var(--ink) 100%);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.login-aside::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 200%;
  height: 200%;
  background: 
    radial-gradient(circle, rgba(212, 160, 74, 0.15) 0%, transparent 50%);
  animation: rotate 30s linear infinite;
}

@keyframes rotate {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.login-aside::after {
  content: '';
  position: absolute;
  inset: 24px;
  border: 1px solid rgba(212, 160, 74, 0.3);
  border-radius: 8px;
  pointer-events: none;
}

.aside-inner {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 40px 30px;
  color: var(--paper);
}

.aside-seal {
  width: 72px;
  height: 72px;
  margin: 0 auto 20px;
  background: linear-gradient(135deg, var(--gold) 0%, var(--gold-deep) 100%);
  color: var(--paper);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  font-family: var(--font-brush);
  font-size: 40px;
  box-shadow: 0 8px 30px rgba(212, 160, 74, 0.4);
  transform: rotate(-5deg);
}

.aside-title {
  font-family: var(--font-brush);
  font-size: 42px;
  color: var(--gold-light);
  letter-spacing: 12px;
  margin-bottom: 8px;
  text-shadow: 0 2px 20px rgba(212, 160, 74, 0.5);
}

.aside-sub {
  font-family: var(--font-title);
  font-size: 14px;
  color: rgba(250, 245, 232, 0.7);
  letter-spacing: 4px;
}

.aside-divider {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin: 36px 0 28px;
}

.divider-line {
  width: 60px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
}

.divider-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 10px var(--gold);
}

.aside-poem {
  font-family: var(--font-brush);
  font-size: 26px;
  color: var(--gold-light);
  line-height: 2;
  letter-spacing: 8px;
  margin-bottom: 40px;
  text-shadow: 0 0 20px rgba(212, 160, 74, 0.4);
}

/* 替换原副标题位置的诗句：调整间距，适配 divider 上方布局 */
.aside-poem.aside-sub-replaced {
  font-size: 22px;
  letter-spacing: 6px;
  line-height: 1.6;
  margin: 8px 0 0;
}

.aside-footer {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  color: rgba(250, 245, 232, 0.5);
  letter-spacing: 2px;
  font-family: var(--font-title);
}

.footer-line {
  flex: 1;
  height: 1px;
  background: rgba(212, 160, 74, 0.3);
}

/* ==================== 右侧表单区 ==================== */
.login-form-wrap {
  padding: 40px 56px 32px;
  position: relative;
  z-index: 1;
}

/* 标签切换 */
.form-tabs {
  position: relative;
  display: flex;
  margin-bottom: 36px;
  border-bottom: 2px solid rgba(212, 160, 74, 0.2);
}

.form-tab {
  flex: 1;
  padding: 14px 0;
  background: none;
  border: none;
  font-family: var(--font-title);
  font-size: 16px;
  color: var(--ink-muted);
  letter-spacing: 2px;
  cursor: pointer;
  transition: var(--transition);
  position: relative;
}

.form-tab:hover {
  color: var(--ink-deep);
}

.form-tab.active {
  color: var(--gold-deep);
}

.tab-indicator {
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 33.333%;
  height: 2px;
  background: linear-gradient(90deg, var(--gold), var(--gold-light));
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 0 10px rgba(212, 160, 74, 0.5);
}

.tab-indicator.tab-register {
  transform: translateX(100%);
}

.tab-indicator.tab-reset {
  transform: translateX(200%);
}

/* 表单通用 */
.auth-form {
  display: none;
  animation: fadeSlide 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}

.auth-form.active {
  display: block;
}

@keyframes fadeSlide {
  from {
    opacity: 0;
    transform: translateY(12px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.form-title {
  margin-bottom: 28px;
  text-align: center;
}

.form-title h2 {
  font-family: var(--font-brush);
  font-size: 28px;
  color: var(--ink-deep);
  letter-spacing: 4px;
  margin-bottom: 6px;
}

.form-title p {
  font-size: 13px;
  color: var(--ink-muted);
  letter-spacing: 2px;
  font-family: var(--font-title);
}

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

.form-group label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-title);
  font-size: 13px;
  color: var(--ink-soft);
  letter-spacing: 2px;
  margin-bottom: 8px;
}

.form-group label svg {
  color: var(--gold-deep);
}

.form-group input {
  width: 100%;
  padding: 12px 16px;
  background: rgba(255, 255, 255, 0.6);
  border: 1px solid rgba(212, 160, 74, 0.3);
  border-radius: 8px;
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--ink-deep);
  transition: var(--transition);
  outline: none;
}

.form-group input::placeholder {
  color: var(--ink-muted);
  opacity: 0.6;
}

.form-group input:focus {
  border-color: var(--gold);
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 0 0 3px rgba(212, 160, 74, 0.12);
}

/* ==================== 短信验证码输入行 ==================== */
.sms-code-wrap {
  display: flex;
  gap: 10px;
  align-items: stretch;
}

.sms-code-wrap input {
  flex: 1;
  min-width: 0;
  letter-spacing: 4px;
  font-weight: 600;
}

.sms-code-btn {
  flex-shrink: 0;
  padding: 0 16px;
  background: linear-gradient(135deg, rgba(212, 160, 74, 0.12), rgba(184, 134, 11, 0.08));
  border: 1px solid rgba(212, 160, 74, 0.5);
  border-radius: 8px;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 600;
  color: var(--gold-deep);
  cursor: pointer;
  white-space: nowrap;
  transition: var(--transition);
}

.sms-code-btn:hover:not(:disabled) {
  background: linear-gradient(135deg, rgba(212, 160, 74, 0.22), rgba(184, 134, 11, 0.16));
  border-color: var(--gold);
  box-shadow: 0 0 12px rgba(212, 160, 74, 0.25);
}

.sms-code-btn:active:not(:disabled) {
  transform: scale(0.97);
}

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

.sms-code-btn.counting {
  color: var(--ink-muted);
  background: rgba(255, 255, 255, 0.4);
  border-color: rgba(120, 113, 108, 0.3);
}

.password-wrap {
  position: relative;
}

.password-wrap input {
  padding-right: 44px;
}

.toggle-pwd {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--ink-muted);
  cursor: pointer;
  padding: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.toggle-pwd:hover {
  color: var(--gold-deep);
}

.toggle-pwd.show {
  color: var(--gold-deep);
}

/* 密码强度 */
.pwd-strength {
  display: flex;
  gap: 6px;
  margin-top: 8px;
}

.strength-bar {
  flex: 1;
  height: 3px;
  background: rgba(212, 160, 74, 0.15);
  border-radius: 2px;
  transition: var(--transition);
}

.strength-bar.weak { background: #d97757; }
.strength-bar.medium { background: var(--gold); }
.strength-bar.strong { background: #6b9b5e; }

/* 选项区 */
.form-options {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: 20px 0 24px;
  flex-wrap: wrap;
  gap: 10px;
}

.remember-item {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  font-size: 13px;
  color: var(--ink-muted);
  font-family: var(--font-title);
  letter-spacing: 1px;
}

.remember-item input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.check-box {
  width: 16px;
  height: 16px;
  border: 1px solid var(--gold);
  border-radius: 3px;
  position: relative;
  transition: var(--transition);
  flex-shrink: 0;
}

.remember-item input:checked + .check-box {
  background: var(--gold);
}

.remember-item input:checked + .check-box::after {
  content: '';
  position: absolute;
  left: 5px;
  top: 2px;
  width: 4px;
  height: 8px;
  border: solid var(--paper);
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

.remember-item a {
  color: var(--gold-deep);
}

.forgot-link {
  font-size: 13px;
  color: var(--gold-deep);
  font-family: var(--font-title);
  letter-spacing: 1px;
  transition: var(--transition);
}

.forgot-link:hover {
  color: var(--ink-deep);
}

/* 提交按钮 */
.btn-submit {
  width: 100%;
  padding: 14px 36px;
  background: linear-gradient(135deg, var(--gold-deep) 0%, var(--gold) 50%, var(--gold-light) 60%, var(--gold) 100%);
  border: none;
  border-radius: 4px;
  color: var(--ink-deep);
  font-family: var(--font-title);
  font-size: 17px;
  letter-spacing: 4px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  transition: var(--transition);
  box-shadow: var(--shadow-gold);
  position: relative;
  overflow: hidden;
}

.btn-submit::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  transition: left 0.6s;
}

.btn-submit:hover {
  transform: translateY(-3px);
  box-shadow: 0 15px 50px rgba(212, 160, 74, 0.45);
}

.btn-submit:hover::before {
  left: 100%;
}

.btn-submit:active {
  transform: translateY(-1px);
}

.btn-submit.loading {
  pointer-events: none;
  opacity: 0.8;
}

.btn-submit.loading span {
  opacity: 0;
}

.btn-submit.loading::after {
  content: '';
  position: absolute;
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255, 255, 255, 0.4);
  border-top-color: var(--paper);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

/* 分隔线 */
.form-divider {
  margin: 24px 0 16px;
  text-align: center;
  position: relative;
}

.form-divider::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 1px;
  background: rgba(212, 160, 74, 0.2);
}

.form-divider span {
  position: relative;
  background: rgba(250, 245, 232, 0.95);
  padding: 0 16px;
  font-size: 12px;
  color: var(--ink-muted);
  font-family: var(--font-title);
  letter-spacing: 2px;
}

/* 第三方登录 */
.social-login {
  display: flex;
  justify-content: center;
  gap: 16px;
}

.social-btn {
  width: 100%;
  max-width: 200px;
  height: 44px;
  border-radius: 8px;
  border: 1px solid rgba(212, 160, 74, 0.3);
  background: rgba(255, 255, 255, 0.6);
  color: var(--ink-deep);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 500;
  transition: var(--transition);
}

.social-btn:hover {
  background: rgba(212, 160, 74, 0.1);
  border-color: var(--gold);
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(212, 160, 74, 0.2);
}

.btn-guest {
  width: 100%;
  margin-top: 16px;
  height: 44px;
  border: 1px dashed rgba(212, 160, 74, 0.4);
  border-radius: 8px;
  background: transparent;
  color: var(--ink-muted);
  font-size: 14px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: var(--transition);
}

.btn-guest:hover {
  border-color: var(--gold);
  color: var(--gold-deep);
  background: rgba(212, 160, 74, 0.05);
}

/* ==================== 返回首页 ==================== */
.back-home {
  position: relative;
  z-index: 2;
  margin-top: 32px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-title);
  font-size: 14px;
  color: var(--ink-muted);
  letter-spacing: 2px;
  padding: 8px 16px;
  border-radius: 20px;
  background: rgba(250, 245, 232, 0.6);
  border: 1px solid rgba(212, 160, 74, 0.2);
  transition: var(--transition);
}

.back-home:hover {
  color: var(--gold-deep);
  border-color: var(--gold);
  background: rgba(250, 245, 232, 0.9);
}

/* ==================== Toast 提示 ==================== */
.toast {
  position: fixed;
  top: 30px;
  left: 50%;
  transform: translateX(-50%) translateY(-30px) scale(0.9);
  background: var(--ink-deep);
  color: var(--paper);
  padding: 12px 28px;
  border-radius: 30px;
  font-family: var(--font-title);
  font-size: 14px;
  letter-spacing: 2px;
  box-shadow: 0 10px 30px rgba(15, 39, 68, 0.3);
  border: 1px solid var(--gold);
  opacity: 0;
  pointer-events: none;
  transition:
    opacity 0.35s cubic-bezier(0.4, 0, 0.2, 1),
    transform 0.5s cubic-bezier(0.34, 1.56, 0.64, 1),
    box-shadow 0.35s ease;
  z-index: 9999;
  max-width: 90%;
  text-align: center;
}

.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0) scale(1);
  box-shadow: 0 12px 35px rgba(15, 39, 68, 0.35);
}

.toast.success {
  border-color: #6b9b5e;
}

.toast.error {
  border-color: #d97757;
}

/* ==================== 响应式 ==================== */
@media (max-width: 860px) {
  .login-card {
    grid-template-columns: 1fr;
    max-width: 460px;
    margin: 0 auto;
  }

  .login-aside {
    display: none;
  }

  .login-form-wrap {
    padding: 32px 28px 24px;
  }
}

@media (max-width: 480px) {
  .login-page {
    padding: 20px 16px;
  }

  .login-brand {
    font-size: 24px;
    margin-bottom: 24px;
  }

  .login-form-wrap {
    padding: 28px 20px 20px;
  }

  .form-title h2 {
    font-size: 24px;
  }

  .form-tab {
    font-size: 16px;
    letter-spacing: 4px;
  }

  .bg-poem {
    font-size: 140px;
  }
}

/* ==================== 其他登录方式 ==================== */
.divider-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 20px 0;
}

.divider-line {
  flex: 1;
  height: 1px;
  background: rgba(212, 160, 74, 0.3);
}

.divider-text {
  font-size: 12px;
  color: var(--ink-muted);
  letter-spacing: 2px;
}

.social-login {
  display: flex;
  gap: 12px;
  justify-content: center;
}

.social-btn {
  width: 100%;
  max-width: 180px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 20px;
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid rgba(212, 160, 74, 0.3);
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  color: var(--ink-deep);
  cursor: pointer;
  transition: var(--transition);
}

.social-btn:hover {
  background: rgba(212, 160, 74, 0.1);
  border-color: var(--gold);
  transform: translateY(-1px);
}

.social-btn svg {
  flex-shrink: 0;
}

.qr-btn:hover {
  background: rgba(212, 160, 74, 0.1);
}

/* ==================== TRAE 审核登录按钮 ==================== */
.trae-btn {
  position: relative;
  background: linear-gradient(135deg, rgba(15, 39, 68, 0.04) 0%, rgba(212, 160, 74, 0.08) 100%);
  border-color: rgba(212, 160, 74, 0.45);
}

.trae-btn:hover {
  background: linear-gradient(135deg, rgba(212, 160, 74, 0.12) 0%, rgba(212, 160, 74, 0.18) 100%);
  border-color: var(--gold);
  box-shadow: 0 4px 14px rgba(212, 160, 74, 0.18);
}

.trae-btn .trae-icon {
  color: var(--gold-deep);
}

/* 开放中状态点 */
.trae-btn .trae-dot {
  position: absolute;
  top: 6px;
  right: 6px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #4caf50;
  box-shadow: 0 0 0 2px rgba(76, 175, 80, 0.2);
  animation: trae-pulse 1.6s infinite;
}

@keyframes trae-pulse {
  0%, 100% { box-shadow: 0 0 0 2px rgba(76, 175, 80, 0.2); }
  50% { box-shadow: 0 0 0 5px rgba(76, 175, 80, 0.05); }
}

/* 未开放时禁用态 */
.trae-btn.disabled,
.trae-btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  transform: none !important;
  background: rgba(255, 255, 255, 0.5);
  border-color: rgba(150, 150, 150, 0.3);
}

.trae-btn.disabled .trae-icon {
  color: var(--ink-muted);
}

/* 状态提示条 */
.trae-status {
  margin-top: 10px;
  text-align: center;
  font-size: 12px;
  color: var(--ink-muted);
  letter-spacing: 1px;
  font-family: var(--font-title);
}

.trae-status.open {
  color: #4caf50;
}

.trae-status.closed {
  color: var(--gold-deep);
}

/* ==================== 扫码登录弹窗 ==================== */
.qr-login-modal {
  position: fixed;
  inset: 0;
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
}

.qr-login-overlay {
  position: absolute;
  inset: 0;
  background: rgba(15, 39, 68, 0.7);
  backdrop-filter: blur(4px);
}

.qr-login-content {
  position: relative;
  background: var(--paper);
  border: 1px solid rgba(212, 160, 74, 0.3);
  border-radius: 12px;
  width: 400px;
  max-width: 90%;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.qr-login-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  border-bottom: 1px solid rgba(212, 160, 74, 0.2);
}

.qr-login-header h3 {
  margin: 0;
  font-size: 18px;
  font-family: var(--font-title);
  letter-spacing: 3px;
  color: var(--ink-deep);
}

.qr-login-close {
  background: transparent;
  border: none;
  color: var(--ink-muted);
  cursor: pointer;
  padding: 8px;
  border-radius: 6px;
  transition: var(--transition);
}

.qr-login-close:hover {
  background: rgba(212, 160, 74, 0.1);
  color: var(--ink-deep);
}

.qr-login-body {
  padding: 32px 24px;
  text-align: center;
}

.qr-upload-area {
  border: 2px dashed rgba(212, 160, 74, 0.3);
  border-radius: 12px;
  padding: 32px;
  cursor: pointer;
  transition: var(--transition);
}

.qr-upload-area:hover {
  border-color: var(--gold);
  background: rgba(212, 160, 74, 0.05);
}

.qr-upload-area.dragging {
  border-color: var(--gold);
  background: rgba(212, 160, 74, 0.15);
  transform: scale(1.02);
}

.qr-upload-area svg {
  margin-bottom: 16px;
  color: var(--gold-deep);
  opacity: 0.6;
}

.qr-upload-area p {
  margin: 0 0 8px;
  font-size: 15px;
  color: var(--ink-deep);
}

.qr-hint-text {
  font-size: 12px !important;
  color: var(--ink-muted) !important;
}

.qr-preview-area img {
  max-width: 200px;
  max-height: 200px;
  border-radius: 8px;
  margin-bottom: 16px;
}

.qr-loading {
  padding: 32px;
}

.qr-loading svg {
  animation: spin 1s linear infinite;
  color: var(--gold);
  margin-bottom: 16px;
}

.qr-loading p {
  margin: 0;
  color: var(--ink-deep);
}

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

/* ==================== 登录方式子 Tab：密码 / 短信 ==================== */
.login-sub-tabs {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  margin: 10px 0 22px;
  padding: 6px;
  background: linear-gradient(180deg, rgba(15, 39, 68, 0.05), rgba(15, 39, 68, 0.02));
  border: 1px solid rgba(212, 160, 74, 0.3);
  border-radius: 14px;
}

.login-sub-tab {
  position: relative;
  z-index: 2;
  padding: 10px 14px;
  font-size: 14px;
  font-weight: 700;
  color: var(--ink-muted);
  background: transparent;
  border: none;
  border-radius: 10px;
  cursor: pointer;
  letter-spacing: 0.08em;
  transition: color 0.3s ease;
}

.login-sub-tab.active {
  color: var(--ink-deep);
}

.login-sub-indicator {
  position: absolute;
  top: 6px;
  left: 6px;
  height: calc(100% - 12px);
  width: calc(50% - 6px);
  border-radius: 10px;
  background: linear-gradient(135deg, var(--gold-deep) 0%, var(--gold) 50%, var(--gold-light) 60%, var(--gold) 100%);
  box-shadow: 0 8px 24px rgba(212, 160, 74, 0.35), 0 1px 0 rgba(255, 255, 255, 0.5) inset;
  border: 1px solid rgba(212, 160, 74, 0.6);
  transition: transform 0.32s cubic-bezier(0.22, 1, 0.36, 1), width 0.32s cubic-bezier(0.22, 1, 0.36, 1);
  z-index: 1;
}

.login-mode-panel {
  display: none;
  animation: fadeSlide 0.32s ease both;
}

.login-mode-panel.active {
  display: block;
}

@keyframes fadeSlide {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}

.sms-login-hint {
  font-size: 12px;
  color: var(--ink-muted);
  line-height: 1.6;
  text-align: right;
}

@media (max-width: 480px) {
  .login-sub-tabs { margin: 4px 0 18px; }
  .login-sub-tab { font-size: 13px; padding: 9px 10px; letter-spacing: 0.05em; }
  .sms-login-hint { font-size: 11px; }
}