/* ==========================================================================
   quantlab — 登录 / 注册页
   ==========================================================================

   两页结构相同，只有文案与字段差异，所以共用这一份样式。
   依赖 theme.css 的令牌与 base.css 的按钮/输入框基础样式。
   ========================================================================== */

body.auth-body {
  display: grid;
  place-items: center;
  min-height: 100vh;
  padding: var(--sp-5);
  background:
    radial-gradient(900px 460px at 10% -10%, var(--bg-grad-1), transparent 62%),
    radial-gradient(760px 400px at 94% -14%, var(--bg-grad-2), transparent 58%),
    var(--bg);
}

.auth-shell {
  width: 100%;
  max-width: 400px;
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
}

.auth-card {
  display: flex;
  flex-direction: column;
  gap: var(--sp-1);
  padding: var(--sp-6) var(--sp-5) var(--sp-5);
  border: 1px solid var(--line-2);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(180deg, var(--line-soft), transparent 42%),
    var(--surface-1);
  box-shadow: var(--shadow-lg);
}

.auth-brand {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  margin-bottom: var(--sp-5);
}

.auth-brand .brand-mark {
  width: 34px;
  height: 34px;
  border-radius: var(--radius);
}

.auth-brand h1 {
  font-size: var(--fs-md);
  font-weight: 650;
  letter-spacing: 0.01em;
  line-height: 1.25;
}

.auth-brand .sub {
  margin-top: 2px;
  font-size: var(--fs-sm);
  color: var(--dim);
}

.auth-card .field { margin-top: var(--sp-3); }

.auth-submit {
  height: 36px;
  margin-top: var(--sp-5);
  font-size: var(--fs-base);
}

.auth-err {
  min-height: 18px;
  margin-top: var(--sp-2);
  font-size: var(--fs-sm);
  color: var(--red);
  opacity: 0;
  transition: opacity var(--dur-fast) var(--ease);
}

.auth-err.show { opacity: 1; }

.auth-alt {
  margin-top: var(--sp-4);
  font-size: var(--fs-sm);
  color: var(--dim);
  text-align: center;
}

.auth-card-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-2);
  margin-top: var(--sp-5);
  padding-top: var(--sp-3);
  border-top: 1px solid var(--line);
  font-size: var(--fs-xs);
  color: var(--dim);
}

.auth-card-foot code {
  font-size: var(--fs-xs);
  color: var(--txt-2);
}

/* 页脚说明：解释这是本机工具、数据不出门 */
.auth-note {
  font-size: var(--fs-xs);
  line-height: 1.55;
  color: var(--dim);
  text-align: center;
}

/* ==========================================================================
   QuantLab access layer
   ========================================================================== */

body.auth-body {
  background:
    linear-gradient(90deg, transparent 49.9%, var(--line-soft) 50%, transparent 50.1%),
    radial-gradient(900px 460px at 10% -10%, var(--bg-grad-1), transparent 62%),
    radial-gradient(760px 400px at 94% -14%, var(--bg-grad-2), transparent 58%),
    var(--bg);
}

.auth-shell {
  max-width: 430px;
}

.auth-card {
  padding: var(--sp-7) var(--sp-6) var(--sp-5);
  border: 1px solid var(--line-2);
  border-top: 3px solid var(--gold);
  border-radius: 0;
  background: var(--surface-raised);
  box-shadow: var(--shadow-md);
}

.auth-brand .brand-mark {
  width: 36px;
  height: 36px;
  border-radius: 0;
}

.auth-brand h1 {
  font-family: var(--display);
  font-size: var(--fs-lg);
}

.auth-submit {
  height: 40px;
  border-radius: var(--radius-sm);
}

.auth-card .field {
  margin-top: var(--sp-4);
}

.auth-card-foot {
  border-top-color: var(--line-2);
}

/* ==========================================================================
   2026-10 控制台入口：左边六路 Agent，右边玻璃登录卡
   ========================================================================== */

body.auth-body {
  position: relative;
  background:
    radial-gradient(900px 520px at 18% -12%, rgba(64, 122, 255, 0.2), transparent 62%),
    radial-gradient(760px 420px at 92% 4%, rgba(38, 214, 224, 0.08), transparent 60%),
    var(--bg);
}

body.auth-body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image: radial-gradient(rgba(140, 180, 255, 0.09) 1px, transparent 1px);
  background-size: 26px 26px;
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 30% 10%, #000 10%, transparent 72%);
  mask-image: radial-gradient(ellipse 80% 60% at 30% 10%, #000 10%, transparent 72%);
  opacity: 0.6;
}

.auth-shell {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 1060px;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(360px, 410px);
  grid-template-rows: auto auto;
  align-items: center;
  gap: 14px 56px;
}

.auth-story {
  grid-column: 1;
  grid-row: 1 / span 2;
  align-self: center;
  min-width: 0;
}

.auth-story-kicker {
  display: block;
  font: 600 10px/1.6 var(--mono);
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--gold);
}

.auth-story h2 {
  margin-top: 12px;
  font: 600 clamp(28px, 3.2vw, 44px)/1.16 var(--display);
  letter-spacing: -0.02em;
  color: var(--txt);
}

.auth-story p {
  margin-top: 14px;
  max-width: 44ch;
  font-size: 13px;
  line-height: 1.7;
  color: var(--txt-2);
}

.auth-story-agents {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  max-width: 470px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.auth-story-agents li {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.02), transparent),
    rgba(10, 17, 30, 0.6);
  font-size: 12px;
  color: var(--txt);
}

.auth-story-agents li::before {
  content: "";
  flex: none;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--dot, var(--gold));
  box-shadow: 0 0 8px var(--dot, var(--gold));
}

.auth-story-agents li span {
  margin-left: auto;
  font: 500 10px/1 var(--mono);
  color: var(--dim);
  white-space: nowrap;
}

.auth-story-agents li[data-tone="cyan"] { --dot: #37d5e0; }
.auth-story-agents li[data-tone="violet"] { --dot: #9b7bff; }
.auth-story-agents li[data-tone="amber"] { --dot: #ffab4d; }
.auth-story-agents li[data-tone="green"] { --dot: #3ee08b; }
.auth-story-agents li[data-tone="rose"] { --dot: #ff7ba1; }

.auth-card {
  grid-column: 2;
  grid-row: 1;
  position: relative;
  overflow: hidden;
  padding: 30px 28px 24px;
  border: 1px solid var(--line-2);
  border-top: 1px solid var(--line-2);
  border-radius: 18px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.025), transparent 42%),
    linear-gradient(180deg, #0b1425, #060b15);
  box-shadow: 0 40px 110px -54px #000;
}

.auth-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
}

.auth-brand .brand-mark {
  border-radius: 10px;
  border-color: color-mix(in srgb, var(--gold) 45%, transparent);
  background: color-mix(in srgb, var(--gold) 10%, transparent);
}

.auth-brand h1 { font: 600 20px/1.2 var(--display); }

.auth-submit { border-radius: 10px; }

.auth-note {
  grid-column: 2;
  grid-row: 2;
  align-self: start;
  margin: 0;
}

.auth-card-foot { border-top-color: var(--line-soft); }

@media (max-width: 980px) {
  .auth-shell {
    max-width: 430px;
    grid-template-columns: 1fr;
    grid-template-rows: auto auto;
    gap: 14px;
  }

  .auth-story { display: none; }

  .auth-card { grid-column: 1; grid-row: 1; }

  .auth-note { grid-column: 1; grid-row: 2; }
}

@media (max-width: 480px) {
  body.auth-body {
    align-items: start;
    padding: 32px var(--page-pad);
  }

  .auth-card {
    padding: var(--sp-6) var(--sp-5) var(--sp-4);
  }
}