/* ========== 根布局 ========== */
.login-page {
  display: grid;
  grid-template-columns: 1fr;
  min-height: 100vh;
  max-height: 100vh;
  overflow: hidden;
}

@media (min-width: 1024px) {
  .login-page {
    grid-template-columns: 1fr 1fr;
  }
}

/* ========== 左侧品牌区 ========== */
.login-brand-panel {
  display: none;
  position: relative;
  flex-direction: column;
  justify-content: space-between;
  padding: 48px;
  background: linear-gradient(
    160deg,
    #1a2332 0%,
    #1e2d3d 40%,
    #172030 100%
  );
  color: rgb(255 255 255 / 85%);
  overflow: hidden;
}

@media (min-width: 1024px) {
  .login-brand-panel {
    display: flex;
  }
}

/* 品牌区 Logo */
.login-brand-logo {
  position: relative;
  z-index: 20;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 18px;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.login-brand-logo img {
  width: 32px;
  height: 32px;
}

/* 角色动画区 */
.login-characters-area {
  position: relative;
  z-index: 20;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  height: 500px;
}

/* 品牌区底部链接 */
.login-brand-footer {
  position: relative;
  z-index: 20;
  display: flex;
  align-items: center;
  gap: 32px;
  font-size: 13px;
  color: rgb(255 255 255 / 35%);
}

.login-brand-footer a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s;
}

.login-brand-footer a:hover {
  color: rgb(255 255 255 / 75%);
}

/* 左侧装饰：网格纹理 */
.login-brand-grid {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: radial-gradient(circle, rgb(255 255 255 / 5%) 1px, transparent 1px);
  background-size: 20px 20px;
  z-index: 0;
}

/* 左侧装饰：模糊光球 */
.login-brand-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
}

.login-brand-orb--1 {
  width: 256px;
  height: 256px;
  top: 25%;
  right: 25%;
  background: rgb(255 255 255 / 5%);
}

.login-brand-orb--2 {
  width: 384px;
  height: 384px;
  bottom: 25%;
  left: 25%;
  background: rgb(255 255 255 / 3%);
}

/* ========== 右侧表单区 ========== */
.login-form-panel {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px;
  background: #fefefe;
}

.login-form-wrap {
  width: 100%;
  max-width: 420px;
}

/* ========== 登录卡片（移动端可见） ========== */
.login-card {
  width: 100%;
  opacity: 0;
  animation: login-card-enter 0.35s ease-out forwards;
}

@keyframes login-card-enter {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ========== Logo 与标题 ========== */
.login-mobile-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 48px;
}

.login-mobile-logo img {
  width: 32px;
  height: 32px;
}

@media (min-width: 1024px) {
  .login-mobile-logo {
    display: none;
  }
}

.login-header {
  text-align: center;
  margin-bottom: 40px;
}

.login-header h1 {
  margin: 0 0 8px;
  font-size: 28px;
  font-weight: 700;
  color: #303133;
  letter-spacing: -0.01em;
  line-height: 1.3;
}

.login-header p {
  margin: 0;
  font-size: 14px;
  color: #909399;
}

/* ========== 表单 ========== */
.login-form .el-form-item {
  margin-bottom: 20px;
}

.login-form .el-form-item:last-of-type {
  margin-bottom: 0;
}

/* ========== 暗色模式 ========== */
html.dark .login-brand-panel {
  background: linear-gradient(
    160deg,
    oklch(85% 0.01 260) 0%,
    oklch(90% 0.008 250) 40%,
    oklch(88% 0.01 270) 100%
  );
  color: oklch(20% 0.01 260);
}

html.dark .login-brand-grid {
  background-image: radial-gradient(circle, rgb(0 0 0 / 6%) 1px, transparent 1px);
}

html.dark .login-brand-orb--1 {
  background: rgb(0 0 0 / 8%);
}

html.dark .login-brand-orb--2 {
  background: rgb(0 0 0 / 5%);
}

html.dark .login-brand-footer {
  color: oklch(20% 0.01 260 / 40%);
}

html.dark .login-brand-footer a:hover {
  color: oklch(20% 0.01 260 / 70%);
}

html.dark .login-form-panel {
  background: oklch(16% 0.008 260);
}

html.dark .login-header h1 {
  color: oklch(90% 0.005 30);
}

html.dark .login-header p {
  color: oklch(70% 0.005 30);
}

/* ========== 响应式 ========== */
@media (max-width: 1023px) {
  .login-brand-panel {
    display: none;
  }
}

@media (max-width: 480px) {
  .login-form-panel {
    padding: 24px 16px;
  }

  .login-header h1 {
    font-size: 22px;
  }

  .login-form .el-form-item {
    margin-bottom: 16px;
  }
}