video-gen/video-gen-app/src/pages/LoginPage.css

/* ========================================
   登录页 — 视频全屏背景 + 居中卡片
   ======================================== */

.login-page {
  height: 100vh;
  max-height: 100vh;
  display: flex;
  flex-direction: column;
  background: #1a1a2e;
  background-image: url(/backimage.png);
  background-size: cover;
  background-position: center;
  position: relative;
  overflow: hidden;
}

/* ---- 视频全屏背景 ---- */
.login-bg-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
  pointer-events: none;
  transition: opacity 0.6s ease;
}

/* 视频加载前占位 — 纯色背景，不显示默认图 */
.login-bg-placeholder {
  background: #1a1a2e;
}

.login-bg-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(15,15,30,0.75) 0%, rgba(20,20,50,0.65) 100%);
  z-index: 0;
}

/* ---- 左上角 slogan ---- */
.login-slogan {
  position: absolute;
  top: 40px;
  left: 48px;
  z-index: 2;
}

.login-slogan-text {
  font-size: 24px;
  font-weight: 800;
  letter-spacing: 1px;
  background: linear-gradient(90deg, #fff 0%, #c7d2fe 25%, #fff 50%, #c7d2fe 75%, #fff 100%);
  background-size: 200% auto;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: shinySlide 3s linear infinite;
  text-shadow: none;
}

@keyframes shinySlide {
  0% { background-position: 0% center; }
  100% { background-position: 200% center; }
}

/* ---- 登录卡片靠右 ---- */
.login-center {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  z-index: 1;
  padding: 24px 60px 24px 24px;
}

/* ========================================
   登录卡片
   ======================================== */
.login-card {
  width: 100%;
  max-width: 400px;
  border-radius: 20px !important;
  box-shadow: 0 24px 80px rgba(0,0,0,0.25), 0 8px 32px rgba(99,102,241,0.1) !important;
  border: 1px solid rgba(255,255,255,0.15) !important;
  background: rgba(255,255,255,0.95) !important;
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
}

/* 卡片头部: logo + 站点名 */
.login-card-header {
  text-align: center;
  margin-bottom: 24px;
}

.login-logo-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
}

.login-logo-img {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  object-fit: contain;
}

.login-logo-placeholder {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: linear-gradient(135deg, #6366f1, #8b5cf6);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 20px rgba(99,102,241,0.3);
}

.login-site-name {
  font-size: 22px;
  font-weight: 800;
  color: #1e293b;
  letter-spacing: -0.3px;
}

.login-card-subtitle {
  display: block;
  text-align: center;
  margin-bottom: 24px;
  color: #94a3b8;
  font-size: 13px;
}

/* ---- Tabs ---- */
.login-tabs {
  display: flex;
  gap: 0;
  margin-bottom: 20px;
  background: #f1f5f9;
  border-radius: 10px;
  padding: 4px;
  border: 1px solid #e2e8f0;
}

.login-tab {
  flex: 1;
  text-align: center;
  padding: 9px 0;
  border-radius: 8px;
  cursor: pointer;
  font-size: 13px;
  font-weight: 400;
  color: #64748b;
  background: transparent;
  border: 1px solid transparent;
  transition: all 0.3s ease;
}

.login-tab-active {
  font-weight: 600 !important;
  color: #6366f1 !important;
  background: #fff !important;
  border: 1px solid rgba(99,102,241,0.2) !important;
  box-shadow: 0 2px 8px rgba(99,102,241,0.1) !important;
}

.login-submit-btn {
  height: 46px !important;
  border-radius: 10px !important;
  font-size: 15px !important;
  font-weight: 600 !important;
  background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%) !important;
  border: none !important;
  box-shadow: 0 8px 24px rgba(99,102,241,0.25) !important;
}

.login-code-btn {
  height: 46px !important;
  border-radius: 10px !important;
  border: 1.5px solid #e2e8f0 !important;
  font-weight: 600 !important;
  min-width: 100px !important;
}

.login-agreement {
  margin-bottom: 14px;
}

.login-agreement-text {
  font-size: 12px;
  color: #64748b;
}

.login-link {
  color: #6366f1;
  cursor: pointer;
}

.login-footer {
  display: flex;
  justify-content: center;
}

.login-switch-btn {
  font-size: 13px !important;
  color: #6366f1 !important;
  cursor: pointer;
}

/* ---- Copyright ---- */
.login-copyright-wrapper {
  position: absolute;
  bottom: 20px;
  left: 0;
  right: 0;
  text-align: center;
  z-index: 2;
  pointer-events: none;
}

.login-copyright {
  color: rgba(255,255,255,0.5);
  font-size: 12px;
  text-shadow: 0 1px 3px rgba(0,0,0,0.3);
}

/* ---- Ant Design overrides ---- */
.login-page .ant-input-affix-wrapper {
  padding: 0 11px !important;
  height: 46px !important;
}

.login-page .ant-input-affix-wrapper .ant-input-prefix {
  margin-right: 10px !important;
  margin-left: 0 !important;
}

.login-page .ant-input {
  padding-left: 11px !important;
  height: 46px !important;
}

/* ========================================
   响应式
   ======================================== */

@media (max-width: 899px) {
  .login-slogan { top: 24px; left: 24px; }
  .login-slogan-text { font-size: 18px; }
  .login-center { padding: 80px 20px 24px; justify-content: center; }
}

@media (max-width: 480px) {
  .login-slogan { top: 20px; left: 20px; }
  .login-slogan-text { font-size: 15px; }
  .login-card .ant-card-body { padding: 24px 20px !important; }
  .login-card { border-radius: 16px !important; }
  .login-page .ant-input,
  .login-page .ant-input-affix-wrapper { height: 44px !important; }
  .login-code-btn { height: 44px !important; min-width: 90px !important; }
  .login-submit-btn { height: 44px !important; }
}

@keyframes sliderShake {
  0%, 100% { transform: translateX(0); }
  10% { transform: translateX(-8px); }
  20% { transform: translateX(8px); }
  30% { transform: translateX(-6px); }
  40% { transform: translateX(6px); }
  50% { transform: translateX(-4px); }
  60% { transform: translateX(4px); }
  70% { transform: translateX(-2px); }
  80% { transform: translateX(2px); }
  90% { transform: translateX(-1px); }
}