/* ==========================================================================
   登录 / 注册页 · 行业视觉 + 双窗口
   ========================================================================== */

.login-body {
  min-height: 100vh;
  background: #eef4f9;
  overflow-x: hidden;
}

.login-shell {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  min-height: 100vh;
}

/* ------------------------------ 左侧行业视觉 ------------------------------ */
.login-visual {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 38px 46px 30px;
  background:
    radial-gradient(ellipse 60% 50% at 68% 18%, rgba(25, 168, 158, 0.24), transparent 65%),
    radial-gradient(ellipse 55% 45% at 20% 88%, rgba(217, 150, 49, 0.16), transparent 68%),
    linear-gradient(155deg, #08243c 0%, #061b2d 44%, #041526 100%);
  color: #e9f7fb;
  overflow: hidden;
  isolation: isolate;
}

.login-visual::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.9), transparent 86%);
  pointer-events: none;
  z-index: -1;
}

.login-visual::after {
  content: "";
  position: absolute;
  width: 520px;
  height: 520px;
  right: -230px;
  bottom: -250px;
  border-radius: 50%;
  border: 1px solid rgba(91, 231, 214, 0.16);
  box-shadow: 0 0 0 70px rgba(91, 231, 214, 0.035), 0 0 0 150px rgba(91, 231, 214, 0.02);
  pointer-events: none;
}

.visual-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  position: relative;
  z-index: 2;
}

.visual-brand img {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  box-shadow: 0 8px 22px rgba(0, 0, 0, 0.28);
}

.visual-brand__name {
  font-size: 15.5px;
  font-weight: 800;
  letter-spacing: 0.8px;
  line-height: 1.3;
  word-break: break-word;
}

.visual-brand__name span {
  display: block;
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 2.4px;
  color: rgba(181, 244, 235, 0.72);
  margin-top: 3px;
}

.visual-art {
  position: relative;
  z-index: 1;
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 300px;
  padding: 10px 0 4px;
}

.visual-art img {
  width: min(100%, 700px);
  height: auto;
  filter: drop-shadow(0 28px 50px rgba(0, 8, 18, 0.35));
  animation: artFloat 9s ease-in-out infinite;
}

@keyframes artFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-9px); }
}

.visual-copy {
  position: relative;
  z-index: 2;
  max-width: 640px;
  padding-bottom: 20px;
}

.visual-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 26px;
  padding: 0 11px;
  border-radius: 999px;
  background: rgba(53, 230, 210, 0.1);
  border: 1px solid rgba(90, 236, 217, 0.22);
  color: #7defdc;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.4px;
}

.visual-eyebrow::before {
  content: "";
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: #56ead5;
  box-shadow: 0 0 0 4px rgba(86, 234, 213, 0.12);
}

.visual-copy h1 {
  margin-top: 15px;
  font-size: clamp(26px, 2.5vw, 36px);
  line-height: 1.32;
  font-weight: 800;
  letter-spacing: 0.6px;
}

.visual-copy h1 em {
  font-style: normal;
  color: #6fe9d6;
}

.visual-copy p {
  margin-top: 10px;
  max-width: 560px;
  color: rgba(203, 230, 240, 0.66);
  font-size: 13px;
  line-height: 1.75;
}

.visual-points {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-top: 20px;
  max-width: 620px;
}

.visual-point {
  padding: 11px 13px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.045);
  border: 1px solid rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(4px);
}

.visual-point strong {
  display: block;
  font-size: 12px;
  color: #e8fbff;
  letter-spacing: 0.3px;
}

.visual-point span {
  display: block;
  margin-top: 2px;
  font-size: 10.5px;
  color: rgba(180, 214, 227, 0.56);
  letter-spacing: 0.2px;
}

.visual-foot {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-top: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.07);
  color: rgba(166, 201, 215, 0.46);
  font-size: 10.5px;
  letter-spacing: 0.7px;
}

/* ------------------------------ 右侧登录面板 ------------------------------ */
.login-panel {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 34px 28px;
  background:
    radial-gradient(circle at 82% 12%, rgba(15, 163, 147, 0.09), transparent 34%),
    radial-gradient(circle at 6% 90%, rgba(29, 111, 165, 0.07), transparent 34%),
    #f2f6fa;
}

.login-panel::before {
  content: "";
  position: absolute;
  inset: 20px;
  border: 1px solid rgba(18, 65, 92, 0.055);
  border-radius: 26px;
  pointer-events: none;
}

.login-card {
  position: relative;
  width: 100%;
  max-width: 432px;
  padding: 32px 32px 24px;
  background: #fff;
  border: 1px solid rgba(218, 229, 238, 0.9);
  border-radius: 24px;
  box-shadow: 0 26px 60px rgba(13, 42, 66, 0.11), 0 2px 8px rgba(13, 42, 66, 0.04);
  animation: cardIn 0.5s var(--ease) both;
}

@keyframes cardIn {
  from { opacity: 0; transform: translateY(14px); }
  to { opacity: 1; transform: translateY(0); }
}

.login-card__brand {
  display: none;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
}

.login-card__brand img { width: 38px; height: 38px; border-radius: 10px; flex: none; }
.login-card__brand b { display: block; font-size: 12.5px; line-height: 1.35; letter-spacing: 0.2px; word-break: break-word; }
.login-card__brand span { display: block; font-size: 10px; color: var(--ink-3); letter-spacing: 1.6px; margin-top: 2px; font-weight: 700; }

.auth-tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px;
  padding: 4px;
  background: #f1f5f9;
  border-radius: 11px;
  border: 1px solid #e8eef4;
}

.auth-tab {
  height: 38px;
  border-radius: 8px;
  font-size: 13.5px;
  font-weight: 700;
  color: var(--ink-3);
  letter-spacing: 0.5px;
  transition: all 0.18s var(--ease);
}

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

.auth-tab.is-active {
  background: #fff;
  color: var(--brand-800);
  box-shadow: 0 3px 10px rgba(16, 47, 70, 0.09);
}

.auth-pane {
  padding-top: 24px;
}

.auth-pane[hidden] {
  display: none;
}

.auth-heading h2 {
  font-size: 23px;
  font-weight: 800;
  letter-spacing: 0.4px;
  color: var(--brand-900);
}

.auth-heading p {
  margin-top: 5px;
  font-size: 12.5px;
  color: var(--ink-3);
  line-height: 1.6;
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: 15px;
  margin-top: 20px;
}

.auth-form .field { gap: 6px; }

.auth-form .input {
  height: 45px;
  border-radius: 10px;
  font-size: 14px;
}

.auth-form .input-icon .icon {
  width: 17px;
  height: 17px;
}

.auth-form .input-icon .input { padding-left: 39px; }

.auth-options {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: -3px;
}

.auth-options .check {
  font-size: 12.5px;
  color: var(--ink-3);
}

.auth-submit {
  height: 46px;
  border-radius: 11px;
  font-size: 14.5px;
  letter-spacing: 1px;
  margin-top: 2px;
}

.auth-alert {
  display: none;
  align-items: flex-start;
  gap: 9px;
  padding: 10px 12px;
  margin-top: 16px;
  border-radius: 10px;
  font-size: 12.5px;
  line-height: 1.6;
  border: 1px solid transparent;
}

.auth-alert.is-show { display: flex; }
.auth-alert .icon { width: 16px; height: 16px; margin-top: 1px; flex: none; }
.auth-alert--error { background: var(--danger-050); border-color: rgba(207, 68, 68, 0.2); color: #a03a3a; }
.auth-alert--success { background: var(--ok-050); border-color: rgba(33, 132, 92, 0.18); color: #1d7650; }
.auth-alert--info { background: var(--blue-050); border-color: rgba(29, 111, 165, 0.16); color: #21638d; }
.auth-alert--warn { background: var(--gold-050); border-color: rgba(213, 150, 49, 0.22); color: #94620f; }

.login-foot {
  margin-top: 22px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  font-size: 10.5px;
  color: var(--ink-4);
  letter-spacing: 0.3px;
  flex-wrap: wrap;
}

.login-foot__left {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  flex-wrap: wrap;
  min-width: 0;
}

.login-foot .foot-dot { color: #c9d5e0; }

/* 页脚域名链接在浅色卡片上略提高对比度，保证可点击感 */
.login-foot .foot-domain { color: var(--ink-2); }

.login-foot .secure {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  color: var(--ink-3);
}

.login-foot .secure .icon { width: 12px; height: 12px; color: var(--teal-600); }

.register-note {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  padding: 9px 11px;
  border-radius: 9px;
  background: var(--surface-tint);
  border: 1px solid var(--line);
  font-size: 11.5px;
  color: var(--ink-3);
  line-height: 1.6;
}

.register-note .icon { width: 14px; height: 14px; margin-top: 2px; color: var(--teal-600); }

.login-mobile-art {
  display: none;
}

/* ------------------------------ 响应式 ------------------------------ */
@media (max-width: 1180px) {
  .login-shell { grid-template-columns: minmax(0, 1fr) minmax(0, 0.95fr); }
  .login-visual { padding: 32px 32px 26px; }
  .visual-points { grid-template-columns: 1fr 1fr; }
  .visual-point:last-child { display: none; }
}

@media (max-width: 960px) {
  .login-shell { display: block; }
  .login-visual { display: none; }
  .login-panel {
    min-height: 100vh;
    flex-direction: column;
    padding: 26px 20px 34px;
  }
  .login-panel::before { inset: 12px; border-radius: 22px; }
  .login-card {
    max-width: 456px;
    margin-top: 18px;
    padding: 28px 26px 22px;
    border-radius: 20px;
  }
  .login-card__brand { display: flex; }
  .login-mobile-art {
    display: block;
    width: 100%;
    max-width: 456px;
    height: 132px;
    border-radius: 18px;
    overflow: hidden;
    position: relative;
    background: linear-gradient(140deg, #08243c, #0a314a);
    border: 1px solid rgba(12, 57, 81, 0.16);
    margin-bottom: 2px;
  }
  .login-mobile-art img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center 36%;
    opacity: 0.72;
  }
  .login-mobile-art::after {
    content: "零售订单 · 营销魔方 · 智慧履约";
    position: absolute;
    left: 14px;
    bottom: 11px;
    color: rgba(216, 251, 245, 0.88);
    font-size: 11px;
    letter-spacing: 1.6px;
    font-weight: 700;
  }
}

@media (max-width: 420px) {
  .login-card { padding: 24px 19px 19px; }
  .auth-heading h2 { font-size: 21px; }
  .visual-brand { gap: 9px; }
  .login-foot { flex-direction: column; align-items: flex-start; }
  .login-mobile-art { height: 108px; }
}