/**
 * Open 玻璃卡壳 — 唯一维护处
 * - AppOpenCard / AppOpenLayout：import 本文件
 * - SCCP 换证 boot：vue.config 同步到 public/css/open-card.css
 * 色调贴 open-page 青绿 + 右上暖光，避免纯白块浮在渐变上
 */

.open-page,
#ew-boot {
  --open-card-bg:
    linear-gradient(
      155deg,
      rgb(255 252 248 / 88%) 0%,
      rgb(255 255 255 / 82%) 38%,
      rgb(236 248 246 / 86%) 100%
    );
  --open-card-border: rgb(255 255 255 / 72%);
  --open-card-border-outer: rgb(var(--open-atm-teal, 132 212 206) / 28%);
  --open-card-blur: 24px;
  --open-card-shadow:
    0 1px 0 rgb(255 255 255 / 70%) inset,
    0 0 0 1px rgb(var(--open-atm-teal, 132 212 206) / 14%),
    0 8px 24px rgb(30 171 171 / 10%),
    0 22px 48px rgb(31 66 70 / 12%),
    0 2px 8px rgb(var(--open-atm-warm, 247 216 170) / 18%);
  --open-card-ink: #2a3a3c;
  --open-card-muted: #7a8f91;
}

.open-card {
  position: relative;
  width: min(420px, 100%);
  margin: 18vh auto 0;
  padding: 36px 32px 32px;
  border-radius: 20px;
  background: var(--open-card-bg);
  border: 1px solid var(--open-card-border);
  box-shadow: var(--open-card-shadow);
  backdrop-filter: blur(var(--open-card-blur)) saturate(1.12);
  -webkit-backdrop-filter: blur(var(--open-card-blur)) saturate(1.12);
  isolation: isolate;
  overflow: hidden;
}

/* 轻量环境光：左下青绿、右上暖金，与 page 径向同源但更淡 */
.open-card::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  border-radius: inherit;
  background:
    radial-gradient(ellipse 90% 70% at 0% 100%, rgb(var(--open-atm-teal, 132 212 206) / 22%) 0%, transparent 55%),
    radial-gradient(ellipse 70% 60% at 100% 0%, rgb(var(--open-atm-warm, 247 216 170) / 26%) 0%, transparent 52%);
  opacity: 0.9;
}

.open-card > * {
  position: relative;
  z-index: 1;
}

.open-card__header {
  text-align: center;
}

.open-card__brand {
  display: flex;
  justify-content: center;
  margin-bottom: 14px;
}

.open-card__logo {
  width: 80px;
  height: 80px;
  display: block;
  object-fit: cover;
  border-radius: 22px;
  filter: drop-shadow(0 8px 18px rgb(30 171 171 / 24%));
}

.open-card__title {
  margin: 0;
  font-size: 22px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--open-card-ink);
  line-height: 1.35;
}

.open-card__subtitle {
  margin: 6px 0 0;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--open-card-muted);
}

.open-card__body {
  margin-top: 28px;
}

.open-card__footer {
  margin-top: 20px;
  text-align: center;
  font-size: 13px;
  color: var(--open-card-muted);
}

.open-card__footer .el-button.is-link {
  padding: 0 2px;
  font-weight: 600;
  vertical-align: baseline;
}

.open-card__error {
  margin: 12px 0 0;
  line-height: 1.5;
  color: var(--el-color-danger, #f56c6c);
  font-size: 14px;
}

@media (max-width: 768px) {
  .open-card {
    margin-top: 12vh;
    padding: 28px 20px 24px;
    border-radius: 16px;
  }
}