/* ==========================================================================
   登录页样式 — 林中科技
   左侧品牌叙事 + 右侧毛玻璃登录卡片
   ========================================================================== */

.login-stage {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  align-items: stretch;
}

/* ---------- 装饰竖线 ---------- */
.deco-lines {
  position: fixed; left: 50%; top: 0; bottom: 0; z-index: 1;
  transform: translateX(-50%);
  display: flex; gap: 0; pointer-events: none;
}
.deco-lines span {
  width: 1px; height: 100%;
  background: linear-gradient(180deg, transparent, var(--line) 30%, var(--line) 70%, transparent);
  opacity: 0;
}
.deco-lines span:nth-child(1) { margin-right: 80px; animation: lineFade 2s 0.2s forwards; }
.deco-lines span:nth-child(2) { margin-right: 80px; animation: lineFade 2s 0.4s forwards; }
.deco-lines span:nth-child(3) { margin-right: 80px; animation: lineFade 2s 0.6s forwards; }
.deco-lines span:nth-child(4) { animation: lineFade 2s 0.8s forwards; }
@keyframes lineFade { to { opacity: 1; } }

/* ---------- 左侧叙事区 ---------- */
.login-aside {
  position: relative; z-index: 2;
  padding: var(--s-12) var(--s-16);
  display: flex; flex-direction: column;
  border-right: 1px solid var(--line);
  background:
    radial-gradient(ellipse 70% 50% at 30% 20%, rgba(79,142,247,0.15), transparent 70%),
    linear-gradient(160deg, rgba(47,111,224,0.06), transparent);
}
.aside-top { margin-bottom: var(--s-16); }

.aside-quote { flex: 1; display: flex; flex-direction: column; justify-content: center; max-width: 460px; }
.quote-mark {
  font-family: var(--font-display); font-size: 5rem; color: var(--gold-500);
  line-height: 0.6; margin-bottom: var(--s-4); opacity: 0;
  animation: quoteIn .8s .4s cubic-bezier(.22,1,.36,1) forwards;
}
.quote-text {
  font-family: var(--font-display); font-weight: 600;
  font-size: clamp(2.6rem, 4vw, 3.8rem); line-height: 1.1;
  letter-spacing: -0.01em; color: var(--ivory);
  opacity: 0; transform: translateY(16px);
  animation: quoteIn .9s .55s cubic-bezier(.22,1,.36,1) forwards;
}
.quote-sub {
  margin-top: var(--s-6); color: var(--mist); font-size: 0.98rem;
  line-height: 1.7; max-width: 380px;
  opacity: 0; transform: translateY(10px);
  animation: quoteIn .7s .75s cubic-bezier(.22,1,.36,1) forwards;
}
@keyframes quoteIn { to { opacity: 1; transform: translateY(0); } }

.aside-stats {
  display: flex; gap: var(--s-12); margin-top: var(--s-12);
  padding-top: var(--s-8); border-top: 1px solid var(--line);
  opacity: 0; transform: translateY(10px);
  animation: quoteIn .7s .9s cubic-bezier(.22,1,.36,1) forwards;
}
.aside-stats li { display: flex; flex-direction: column; gap: 4px; }
.aside-stats li:nth-child(2) { animation-delay: 1.0s; }
.aside-stats li:nth-child(3) { animation-delay: 1.1s; }
.stat-num {
  font-family: var(--font-display); font-size: 2.2rem; font-weight: 600;
  color: var(--gold-400); line-height: 1;
  transition: transform .4s cubic-bezier(.22,1,.36,1);
}
.aside-stats li:hover .stat-num { transform: translateY(-2px); }
.stat-label { font-size: 0.72rem; color: var(--mist); letter-spacing: 0.16em; text-transform: uppercase; }

.aside-foot {
  margin-top: var(--s-10); font-size: 0.75rem; color: var(--mist-dim); letter-spacing: 0.05em;
  opacity: 0; animation: quoteIn .6s 1.2s ease forwards;
}

/* ---------- 右侧登录区 ---------- */
.login-main {
  position: relative; z-index: 2;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  padding: var(--s-12);
}

.login-card {
  width: 100%; max-width: 440px;
  padding: var(--s-12);
  opacity: 0; transform: translateY(20px) scale(.98);
  animation: cardIn .8s .3s cubic-bezier(.22,1.1,.36,1) forwards;
}
@keyframes cardIn {
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.login-head {
  margin-bottom: var(--s-8);
  opacity: 0; transform: translateY(8px);
  animation: cardIn .6s .55s cubic-bezier(.22,1,.36,1) forwards;
}
.login-head .eyebrow { display: block; margin-bottom: var(--s-3); }
.login-head h2 { font-size: 2rem; }

.login-meta { margin: var(--s-2) 0 var(--s-6); }
.remember { display: inline-flex; align-items: center; gap: 8px; cursor: pointer; user-select: none; }
.remember input { position: absolute; opacity: 0; pointer-events: none; }
.remember-box {
  width: 16px; height: 16px; border: 1px solid var(--line-strong); border-radius: 4px;
  display: inline-flex; align-items: center; justify-content: center;
  transition: all 0.2s; flex-shrink: 0;
}
.remember input:checked + .remember-box {
  background: var(--gold-500); border-color: var(--gold-500);
}
.remember input:checked + .remember-box::after {
  content: ''; width: 8px; height: 4px; border: 2px solid rgba(14,19,32,0.9);
  border-top: 0; border-right: 0; transform: rotate(-45deg) translate(0,-1px);
}

.login-btn {
  height: 48px; font-size: 1rem; letter-spacing: 0.16em; font-weight: 600;
  margin-top: var(--s-2);
}
.login-btn .btn-label { transition: opacity 0.2s; }
.login-btn.loading .btn-label { opacity: 0; }
.login-btn.loading .spinner { position: absolute; }

.login-foot { margin-top: var(--s-8); padding-top: var(--s-6); border-top: 1px solid var(--line); }

.login-sec {
  margin-top: var(--s-6); display: inline-flex; align-items: center; gap: 6px;
  letter-spacing: 0.05em;
}

#hintToggle { cursor: pointer; transition: opacity 0.2s; }
#hintToggle:hover { opacity: 0.8; }

/* ---------- 响应式 ---------- */
@media (max-width: 960px) {
  .login-stage { grid-template-columns: 1fr; }
  .login-aside { display: none; }
  .deco-lines { display: none; }
  .login-main {
    min-height: 100vh;
    padding: var(--s-6);
    padding-top: var(--s-10);
    justify-content: flex-start;
  }
  .login-card { padding: var(--s-8); }
  .login-head h2 { font-size: 1.6rem; }
  .login-btn { height: 48px; font-size: 0.95rem; letter-spacing: 0.12em; }
}
@media (max-width: 480px) {
  .login-main { padding: var(--s-4); padding-top: var(--s-8); }
  .login-card {
    padding: var(--s-6);
    border-radius: var(--r-lg);
  }
  .login-head { margin-bottom: var(--s-6); }
  .login-foot { margin-top: var(--s-6); padding-top: var(--s-5); }
  .brand-name { font-size: 1.15rem; }
}