/* =========================================================
   Beam 管理控制台 · 登录页
   beam-mono 黑白大排版设计语言；字体 Inter Tight 为网关内嵌资源（OFL 许可见 inter-tight-OFL.txt），零外部请求。
   主题键与全站统一：html[data-theme] + localStorage rf-theme（theme.js 绘制前定版）。
   配色按设计原意「反相」：站点夜间 → 登录浅灰底 + 白底版 Logo；
   站点白天 → 登录黑底 + 黑底版 Logo。核心色值取设计稿 --menu-* 两套原值对位。
   ========================================================= */

@font-face {
  font-family: "Inter Tight Local";
  src: url("inter-tight.woff2") format("woff2");
  font-style: normal;
  font-weight: 400 800;
  font-display: swap;
}

body.login-page {
  --font-sans: "Inter Tight Local", "Inter Tight", "Helvetica Neue", Helvetica, Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-mono: "SFMono-Regular", "Cascadia Code", "JetBrains Mono", "Roboto Mono", Menlo, Consolas, monospace;
  --gutter: 16px;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  /* 站点夜间（默认）→ 登录反相为浅色（设计稿 --menu-* 浅色套；底色已统一为基准灰 #f4f6f7） */
  --bg: #f4f6f7;
  --ink: #0a0a0a;
  --muted: rgba(10, 10, 10, 0.54);
  --faint: #a0a0a0;
  --line: rgba(10, 10, 10, 0.16);
  --line-strong: #bdbdbd;
  --accent-strong: #4f6b00;
  --warn: #9c5b10;
  --err: #b3261e;

  min-width: 320px;
  min-height: 100dvh;
  margin: 0;
  overflow-x: hidden;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 400;
  line-height: 1.4;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  transition: background-color 0.35s ease, color 0.35s ease;
}

/* 站点白天 → 登录反相为黑底（设计稿 --menu-* 深色套原值） */
html[data-theme="light"] body.login-page {
  --bg: #0a0a0a;
  --ink: #f4f4ee;
  --muted: #8f8f8f;
  --faint: #5f5f5f;
  --line: rgba(244, 244, 238, 0.18);
  --line-strong: #3c3c3c;
  --accent-strong: #c8ff4a;
  --warn: #e2aa5d;
  --err: #fb8a80;
}

body.login-page ::selection {
  background: var(--accent-strong);
  color: var(--bg);
}

body.login-page button:focus-visible,
body.login-page a:focus-visible,
body.login-page input:focus-visible {
  outline: 2px solid currentColor;
  outline-offset: 4px;
}

body.login-page .skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 300;
  padding: 9px 13px;
  border-radius: 999px;
  background: var(--ink);
  color: var(--bg);
  font-size: 10px;
  text-decoration: none;
  transform: translateY(-180%);
  transition: transform 0.2s ease;
}

body.login-page .skip-link:focus {
  transform: translateY(0);
}

/* ---------- shell ---------- */

body.login-page .login-shell {
  display: flex;
  min-height: 100dvh;
  flex-direction: column;
  padding: 18px var(--gutter);
}

body.login-page .login-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
}

body.login-page .login-brand {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: inherit;
  text-decoration: none;
}

body.login-page .brand-mark {
  /* 去方框（用户 2026-10-22 点名）：原边框+圆角+裁剪的方砖容器已去除，
     无边框/无底色/无裁剪，透明抠图直接浮在登录页底上 */
  width: 36px;
  height: 36px;
  flex: none;
  display: grid;
  transition: transform 0.25s var(--ease);
}

body.login-page .login-brand:hover .brand-mark {
  transform: rotate(-4deg) scale(1.04);
}

body.login-page .brand-mark img {
  width: 100%;
  height: 100%;
  /* 透明抠图版：整图完整浮现、不裁切 */
  object-fit: contain;
}

body.login-page .brand-mark .bm-light,
body.login-page .brand-mark .bm-dark {
  display: none;
  grid-area: 1 / 1;
}

/* 反相：Logo 跟登录界面自身底色同版（站点白天→登录黑底→黑底羊；站点夜间→登录浅灰→白底羊） */
html[data-theme="light"] body.login-page .brand-mark .bm-dark{ display:block; }
html[data-theme="dark"] body.login-page .brand-mark .bm-light{ display:block; }

body.login-page .brand-copy {
  display: grid;
  gap: 1px;
}

body.login-page .brand-copy strong {
  color: var(--ink);
  font-size: 14px;
  font-weight: 650;
  line-height: 1.1;
}

body.login-page .brand-copy small {
  color: var(--muted);
  font-size: 9px;
  line-height: 1.3;
}

body.login-page .gate-theme {
  display: grid;
  width: 28px;
  height: 28px;
  flex: none;
  place-items: center;
  color: var(--ink);
  opacity: 0.62;
  transition: opacity 0.2s ease, transform 0.35s var(--ease);
}

body.login-page .gate-theme svg {
  width: 15px;
  height: 15px;
  transition: transform 0.5s var(--ease);
}

body.login-page .gate-theme:hover {
  opacity: 1;
  transform: rotate(16deg);
}

html[data-theme="dark"] body.login-page .gate-theme svg {
  transform: rotate(180deg);
}

html[data-theme="dark"] body.login-page .gate-theme:hover svg {
  transform: rotate(200deg);
}

/* ---------- main ---------- */

body.login-page .login-main {
  display: grid;
  width: min(1100px, 100%);
  flex: 1;
  grid-template-columns: minmax(0, 1fr) 390px;
  gap: 70px;
  align-items: center;
  margin: 0 auto;
  padding: 55px 0;
}

body.login-page .mini-label {
  color: var(--muted);
  font-size: 9px;
  font-weight: 500;
  line-height: 1.35;
  letter-spacing: 0.035em;
}

body.login-page .login-intro h1 {
  margin-top: 13px;
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: clamp(54px, 6.1vw, 88px);
  font-weight: 600;
  line-height: 1.04;
  letter-spacing: -0.055em;
}

body.login-page .login-intro h1 span {
  color: var(--accent-strong);
}

body.login-page .login-lede {
  max-width: 360px;
  margin-top: 20px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.7;
}

body.login-page .login-status {
  display: grid;
  gap: 9px;
  margin-top: 30px;
}

body.login-page .login-status li {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.4;
}

body.login-page .login-status li[hidden] {
  display: none;
}

body.login-page .status-dot {
  width: 6px;
  height: 6px;
  flex: none;
  border-radius: 50%;
  background: var(--accent-strong);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent-strong) 20%, transparent);
}

body.login-page .status-dot[data-state="warn"] {
  background: var(--warn);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--warn) 20%, transparent);
}

body.login-page .status-dot[data-state="err"] {
  background: var(--err);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--err) 20%, transparent);
}

/* ---------- form ---------- */

body.login-page .login-form {
  width: 100%;
  padding-left: 48px;
  border-left: 1px solid var(--line);
}

body.login-page .login-form .field {
  margin-bottom: 22px;
}

body.login-page .login-form label {
  display: block;
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 9px;
  font-weight: 500;
  line-height: 1.3;
}

body.login-page .text-field,
body.login-page .password-field {
  display: flex;
  align-items: center;
  border-bottom: 1px solid var(--line-strong);
}

body.login-page .text-field input,
body.login-page .password-field input {
  width: 100%;
  min-width: 0;
  padding: 11px 0;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.4;
}

body.login-page .text-field input::placeholder,
body.login-page .password-field input::placeholder {
  color: var(--muted);
}

body.login-page .password-field button {
  flex: none;
  padding: 8px 0 8px 14px;
  color: var(--muted);
  font-family: var(--font-sans);
  font-size: 9px;
  line-height: 1.3;
  transition: color 0.18s ease;
}

body.login-page .password-field button:hover {
  color: var(--ink);
}

body.login-page .login-feedback {
  margin-top: 16px;
  padding: 10px 12px;
  border: 1px dashed var(--line-strong);
  border-radius: 10px;
  color: var(--ink);
  font-size: 11.5px;
  font-weight: 600;
  line-height: 1.6;
}

body.login-page .login-feedback[hidden] {
  display: none;
}

body.login-page .login-submit {
  display: flex;
  width: 100%;
  min-height: 48px;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 24px;
  padding: 0 17px;
  border: 1px solid var(--ink);
  border-radius: 999px;
  background: var(--ink);
  color: var(--bg);
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 500;
  line-height: 1;
  transition: background-color 0.18s ease, color 0.18s ease, opacity 0.18s ease;
}

body.login-page .submit-arrow {
  font-size: 14px;
  transition: transform 0.22s var(--ease);
}

body.login-page .submit-arrow svg {
  display: block;
  width: 14px;
  height: 14px;
}

body.login-page .login-submit:hover {
  background: transparent;
  color: var(--ink);
}

body.login-page .login-submit:hover .submit-arrow {
  transform: translateX(3px);
}

body.login-page .login-submit[disabled] {
  opacity: 0.55;
  cursor: wait;
}

body.login-page .login-submit[disabled]:hover {
  background: var(--ink);
  color: var(--bg);
}

body.login-page .login-note {
  margin-top: 12px;
  color: var(--muted);
  font-size: 10px;
  line-height: 1.6;
}

body.login-page .login-form.is-shaking {
  animation: lg-shake 0.36s ease;
}

@keyframes lg-shake {
  0%,
  100% {
    transform: translateX(0);
  }
  25% {
    transform: translateX(-5px);
  }
  75% {
    transform: translateX(5px);
  }
}

/* ---------- foot ---------- */

body.login-page .login-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding-top: 15px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 8px;
  line-height: 1.4;
  letter-spacing: 0.02em;
}

/* ---------- responsive ---------- */

@media (max-width: 1180px) {
  body.login-page .login-main {
    gap: 48px;
  }
}

@media (max-width: 900px) {
  body.login-page .login-main {
    grid-template-columns: minmax(0, 1fr) 340px;
    gap: 36px;
  }

  body.login-page .login-form {
    padding-left: 32px;
  }
}

@media (max-width: 760px) {
  /* 手机版登录（独立构图，不是桌面纵向堆叠）：品牌行收紧后留出大块
     呼吸空白，超大标题 + 荧光圆点收口，状态三行压成一条发丝线带，
     表单全宽大点按区，提交钮整幅胶囊贴近表单底部，页脚贴底一行。
     语言对位 beam-mono 手机稿 09。反相/双羊/真契约一律不动。 */
  body.login-page {
    --gutter: 22px;
  }

  body.login-page .login-shell {
    padding: 20px var(--gutter) calc(14px + env(safe-area-inset-bottom));
  }

  body.login-page .brand-copy strong {
    font-size: 13px;
  }

  body.login-page .brand-mark {
    width: 32px;
    height: 32px;
  }

  body.login-page .login-main {
    display: flex;
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    gap: 0;
    margin-top: 9dvh;
    padding: 0;
  }

  body.login-page .login-intro h1 {
    margin-top: 12px;
    font-size: clamp(46px, 13.5vw, 58px);
    line-height: 1.02;
    letter-spacing: -0.05em;
  }

  /* 标题收口的句号在手机上画成一颗实心圆点（记忆点，对位设计稿） */
  body.login-page .login-intro h1 span {
    position: relative;
    color: transparent;
  }

  body.login-page .login-intro h1 span::after {
    content: "";
    position: absolute;
    right: 0.04em;
    bottom: 0.1em;
    width: 0.14em;
    height: 0.14em;
    border-radius: 50%;
    background: var(--accent-strong);
  }

  body.login-page .login-lede {
    max-width: 300px;
    margin-top: 14px;
    font-size: 11px;
  }

  /* 状态三行压成一条发丝线带 */
  body.login-page .login-status {
    display: flex;
    flex-wrap: wrap;
    gap: 6px 16px;
    margin-top: 22px;
    padding: 10px 0;
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
  }

  body.login-page .login-status li {
    gap: 6px;
    font-size: 10px;
  }

  body.login-page .status-dot {
    width: 5px;
    height: 5px;
  }

  body.login-page .login-form {
    padding-top: 20px;
    padding-left: 0;
    border-left: 0;
  }

  body.login-page .login-form .field {
    margin-bottom: 18px;
  }

  body.login-page .text-field input,
  body.login-page .password-field input {
    padding: 13px 0;
    font-size: 17px;
  }

  body.login-page .password-field button {
    padding: 12px 0 12px 16px;
    font-size: 10px;
  }

  body.login-page .login-submit {
    min-height: 52px;
    margin-top: 26px;
    padding: 0 20px;
    font-size: 12px;
  }

  body.login-page .login-note {
    margin-top: 12px;
  }

  body.login-page .login-foot {
    margin-top: auto;
    padding-top: 12px;
    font-size: 7px;
  }
}

@media (max-width: 420px) {
  body.login-page {
    --gutter: 18px;
  }

  body.login-page .login-main {
    margin-top: 7dvh;
  }
}

@media (prefers-reduced-motion: reduce) {
  body.login-page *,
  body.login-page *::before,
  body.login-page *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}