/* 阿莱忒娅之庭：把工业坐标轴转译为记忆缝线，保留导航秩序但更换构件材质。 */
html[data-surface="member"][data-member-active="true"][data-member-theme="garden"] .sidebar {
  background:
    radial-gradient(ellipse at 16% 18%, color-mix(in srgb, var(--garden-cold) 9%, transparent), transparent 34%),
    linear-gradient(168deg, color-mix(in srgb, var(--garden-violet) 6%, transparent), transparent 38%),
    color-mix(in srgb, var(--canvas) 94%, transparent);
}

html[data-surface="member"][data-member-active="true"][data-member-theme="garden"] .sidebar__index > b,
html[data-surface="member"][data-member-active="true"][data-member-theme="garden"] .nav-item span b,
html[data-surface="member"][data-member-active="true"][data-member-theme="garden"] .nav-item > i {
  font-family: var(--font-sacred);
}

html[data-surface="member"][data-member-active="true"][data-member-theme="garden"] .sidebar__index > b {
  font-size: 16px;
  font-weight: 480;
  letter-spacing: 0.11em;
}

html[data-surface="member"][data-member-active="true"][data-member-theme="garden"] .sidebar__index::after {
  background: linear-gradient(90deg, var(--garden-gold) 0 14%, var(--garden-silver) 14% 48%, transparent);
  opacity: 0.78;
}

html[data-surface="member"][data-member-active="true"][data-member-theme="garden"] .primary-nav::before {
  background: linear-gradient(transparent, color-mix(in srgb, var(--garden-silver) 62%, transparent) 10%, color-mix(in srgb, var(--garden-violet) 38%, var(--line)) 55%, color-mix(in srgb, var(--garden-gold) 48%, transparent) 90%, transparent);
}

html[data-surface="member"][data-member-active="true"][data-member-theme="garden"] .nav-item > i {
  font-size: 12px;
  font-style: italic;
  font-weight: 420;
  letter-spacing: 0.03em;
}

html[data-surface="member"][data-member-active="true"][data-member-theme="garden"] .nav-item span b {
  font-size: 15px;
  font-weight: 470;
  letter-spacing: 0.09em;
}

html[data-surface="member"][data-member-active="true"][data-member-theme="garden"] .nav-item::before {
  top: 50%;
  right: 6px;
  left: auto;
  width: 9px;
  height: 9px;
  border: 1px solid color-mix(in srgb, var(--garden-silver) 78%, transparent);
  border-radius: 50%;
  background: var(--canvas);
  transform: translateY(-50%);
}

html[data-surface="member"][data-member-active="true"][data-member-theme="garden"] .nav-item:hover::before {
  border-color: var(--garden-gold);
  background: color-mix(in srgb, var(--garden-gold) 16%, var(--canvas));
  transform: translateY(-50%) scale(1.12);
}

html[data-surface="member"][data-member-active="true"][data-member-theme="garden"] .nav-item.is-active::before {
  border-color: var(--garden-gold);
  background: var(--garden-gold);
  box-shadow:
    0 0 0 3px color-mix(in srgb, var(--garden-gold) 12%, transparent),
    0 0 18px color-mix(in srgb, var(--garden-gold) 16%, transparent);
  transform: translateY(-50%);
}

html[data-surface="member"][data-member-active="true"][data-member-theme="garden"] .nav-item::after {
  top: 6px;
  right: -9px;
  bottom: 6px;
  left: 35px;
  background:
    linear-gradient(90deg, color-mix(in srgb, var(--garden-gold) 54%, transparent) 0 1px, transparent 1px),
    linear-gradient(102deg, color-mix(in srgb, var(--garden-plane-focus) 78%, transparent), color-mix(in srgb, var(--garden-violet) 7%, var(--garden-plane-fog)) 64%, color-mix(in srgb, var(--garden-plane-fog) 30%, transparent));
  clip-path: polygon(0 18%, 8% 4%, 89% 0, 100% 48%, 91% 100%, 9% 94%, 0 76%, 5% 49%);
  filter: drop-shadow(0 10px 24px color-mix(in srgb, var(--garden-cold) 8%, transparent));
}

html[data-surface="member"][data-member-active="true"][data-member-theme="garden"] .nav-item.is-active::after {
  opacity: 0.86;
}

html[data-surface="member"][data-member-active="true"][data-member-theme="garden"] .nav-item > span::after {
  background: linear-gradient(90deg, var(--garden-gold), var(--garden-violet), transparent);
}

html[data-surface="member"][data-member-active="true"][data-member-theme="garden"] .nav-item.is-active > i {
  color: var(--garden-gold-ink);
}

html[data-surface="member"][data-member-active="true"][data-member-theme="garden"] .nav-item.is-active span small {
  color: color-mix(in srgb, var(--text-2) 86%, var(--garden-violet));
}

html[data-surface="member"][data-member-active="true"][data-member-theme="garden"] .nav-item:focus-visible::before {
  border-color: var(--garden-gold);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--garden-gold) 18%, transparent);
}

html[data-surface="member"][data-member-active="true"][data-member-theme="garden"] .nav-item:focus-visible > span {
  box-shadow: 0 2px 0 color-mix(in srgb, var(--garden-gold) 70%, transparent);
}

html[data-surface="member"][data-member-active="true"][data-member-theme="garden"] .sidebar__foot::before {
  background: linear-gradient(90deg, var(--garden-gold) 0 12%, var(--garden-silver) 12% 43%, transparent 82%);
}

@media (max-width: 1100px) {
  html[data-surface="member"][data-member-active="true"][data-member-theme="garden"] .sidebar-close::before {
    border-color: color-mix(in srgb, var(--garden-silver) 50%, transparent);
    border-radius: 50%;
    transform: none;
  }

  html[data-surface="member"][data-member-active="true"][data-member-theme="garden"] .sidebar-close:hover::before,
  html[data-surface="member"][data-member-active="true"][data-member-theme="garden"] .sidebar-close:focus-visible::before {
    border-color: var(--garden-gold);
    transform: scale(1.08);
  }
}

/*
 * 身份门的独立光相。
 * 昼夜共享薇蕾缇丝的签名、折面与记忆缀线，只改变纸面材料、节点和光照。
 */
body.identity-visible > .ambient-layer {
  display: none;
}

html[data-surface="member"][data-identity-scheme="light"] body.identity-visible {
  --identity-gate-wash: rgba(255, 255, 255, 0.54);
  --identity-facet: rgba(250, 252, 253, 0.48);
  --identity-grid-line: rgba(65, 83, 101, 0.055);
  --identity-plane: rgba(250, 252, 253, 0.28);
  --identity-paper: rgba(250, 252, 253, 0.8);
  --identity-paper-echo: rgba(168, 200, 228, 0.2);
  --identity-shadow: 0 34px 90px rgba(75, 94, 112, 0.12);
  --identity-warmth: #9b7f45;
  --identity-memory: #756a91;
  --identity-error-ink: #934851;
}

html[data-surface="member"][data-identity-scheme="dark"] body.identity-visible {
  --canvas: #0b1118;
  --canvas-rgb: 11, 17, 24;
  --surface-rgb: 22, 32, 42;
  --surface-1: #16202a;
  --surface-2: #1b2732;
  --surface-3: #22313d;
  --surface-glass: rgba(22, 32, 42, 0.82);
  --text-1: #dfe6ea;
  --text-2: #9aa8b1;
  --text-3: #697783;
  --line: rgba(184, 199, 209, 0.13);
  --line-strong: rgba(184, 199, 209, 0.31);
  --accent: #b8c7d1;
  --accent-rgb: 184, 199, 209;
  --accent-ink: #0d151d;
  --accent-secondary: #86a3b5;
  --status-success: #7ca694;
  --status-warning: #bca66d;
  --status-danger: #9c6874;
  --identity-gate-wash: rgba(184, 199, 209, 0.035);
  --identity-facet: linear-gradient(146deg, rgba(45, 59, 73, 0.44), rgba(23, 33, 45, 0.2));
  --identity-grid-line: rgba(184, 199, 209, 0.035);
  --identity-plane: rgba(134, 163, 181, 0.028);
  --identity-paper: linear-gradient(142deg, rgba(31, 43, 56, 0.91), rgba(17, 26, 37, 0.84));
  --identity-paper-echo: linear-gradient(142deg, rgba(134, 163, 181, 0.12), rgba(128, 123, 146, 0.055));
  --identity-shadow: 0 34px 96px rgba(0, 0, 0, 0.34);
  --identity-warmth: #bca66d;
  --identity-memory: #807b92;
  --identity-error-ink: #bd8792;
}

html[data-surface="member"] body.identity-visible .identity-gate {
  background:
    linear-gradient(104deg, var(--identity-gate-wash) 0 31%, transparent 31.1%),
    var(--canvas);
}

html[data-surface="member"] body.identity-visible .identity-gate::before {
  background: var(--identity-facet);
}

html[data-surface="member"] body.identity-visible .identity-gate::after {
  background:
    repeating-linear-gradient(90deg, transparent 0 47px, var(--identity-grid-line) 47px 48px),
    repeating-linear-gradient(0deg, transparent 0 47px, var(--identity-grid-line) 47px 48px);
}

html[data-surface="member"] body.identity-visible .identity-geometry__plane {
  fill: var(--identity-plane);
}

html[data-surface="member"] body.identity-visible .identity-card::before {
  background: var(--identity-paper-echo);
}

html[data-surface="member"] body.identity-visible .identity-card::after {
  background: var(--identity-paper);
  box-shadow: var(--identity-shadow);
}

html[data-surface="member"] body.identity-visible .identity-form-error {
  color: var(--identity-error-ink);
}

/* 维护者状态退回为页面签注，不再形成独立悬浮框。 */
body.identity-visible .public-status-signal--gate {
  display: grid;
  min-height: 54px;
  align-items: center;
  gap: 13px;
  padding: 8px 0 10px;
  grid-template-columns: 10px minmax(0, 1fr) minmax(112px, auto);
  border: 0;
  border-bottom: 1px solid var(--line);
  background: transparent;
  clip-path: none;
}

body.identity-visible .public-status-signal--gate::before {
  top: auto;
  right: 0;
  bottom: -1px;
  left: 0;
  width: 31%;
  height: 1px;
  background: linear-gradient(90deg, var(--accent), var(--identity-memory, var(--admin-violet, var(--accent))), transparent);
}

body.identity-visible .public-status-signal--gate > i {
  width: 8px;
  height: 8px;
  border-color: color-mix(in srgb, var(--text-2) 54%, transparent);
  border-radius: 50%;
  transform: none;
}

body.identity-visible .public-status-signal--gate > i::after {
  inset: 2px;
  border-radius: 50%;
}

body.identity-visible .public-status-signal--gate span {
  color: var(--text-3);
  font-family: var(--font-ui);
  font-size: 7px;
  font-weight: 520;
  letter-spacing: 0.14em;
}

body.identity-visible .public-status-signal--gate b {
  margin-top: 6px;
  color: var(--text-1);
  font-family: var(--font-sacred);
  font-size: 11px;
  font-weight: 480;
  letter-spacing: 0.025em;
}

body.identity-visible .public-status-signal--gate small {
  max-width: 170px;
  margin: 0;
  padding-left: 15px;
  border-left: 1px solid var(--line);
  color: var(--text-3);
  font-family: var(--font-ui);
  font-size: 8px;
  line-height: 1.45;
  text-align: left;
}

/* 光相控制器以三枚 SVG 节点落在一条细轨上，避免文字按钮或下拉框。 */
.identity-phase {
  position: absolute;
  z-index: 8;
  bottom: 55px;
  left: 42%;
  display: flex;
  align-items: center;
  gap: 17px;
  color: var(--text-3);
  transform: translateX(-50%);
}

.identity-phase__copy {
  display: grid;
  min-width: 92px;
  gap: 5px;
  text-align: right;
}

.identity-phase__copy > span {
  font-family: var(--font-ui);
  font-size: 7px;
  font-weight: 520;
  letter-spacing: 0.15em;
}

.identity-phase__copy > output {
  color: var(--text-2);
  font-family: var(--font-sacred);
  font-size: 10px;
  letter-spacing: 0.06em;
}

.identity-phase__track {
  position: relative;
  display: flex;
  align-items: center;
  gap: 1px;
}

.identity-phase__track::before {
  position: absolute;
  right: 12px;
  left: 12px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--line-strong) 16% 84%, transparent);
  content: "";
}

.identity-phase button {
  position: relative;
  display: grid;
  width: 44px;
  height: 44px;
  place-items: center;
  background: transparent;
  color: var(--text-3);
  cursor: pointer;
  transition: color 180ms ease, transform 260ms var(--ease-ceremonial);
}

.identity-phase button::before {
  position: absolute;
  width: 25px;
  height: 25px;
  border: 1px solid transparent;
  border-radius: 50%;
  content: "";
  transition: border-color 180ms ease, background 180ms ease, transform 260ms var(--ease-ceremonial);
}

.identity-phase button::after {
  position: absolute;
  bottom: 4px;
  width: 5px;
  height: 5px;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  background: var(--canvas);
  content: "";
  transition: border-color 180ms ease, background 180ms ease;
}

.identity-phase button svg {
  position: relative;
  z-index: 1;
  width: 23px;
  height: 23px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.15;
}

.identity-phase button:hover {
  color: var(--text-1);
  transform: translateY(-1px);
}

.identity-phase button.is-active {
  color: var(--accent);
}

.identity-phase button.is-active::before {
  border-color: color-mix(in srgb, var(--accent) 34%, transparent);
  background: color-mix(in srgb, var(--accent) 4%, transparent);
  transform: rotate(12deg);
}

.identity-phase button.is-active::after {
  border-color: var(--identity-warmth);
  background: var(--identity-warmth);
}

.identity-phase button:focus-visible {
  outline: 0;
}

.identity-phase button:focus-visible::before {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 10%, transparent);
}

/* 银夜：主色为月光银，忆紫只作为叠影，暖金只标示当前节点。 */
html[data-surface="member"][data-identity-scheme="dark"] body.identity-visible .identity-gate {
  background:
    linear-gradient(104deg, var(--identity-gate-wash) 0 31%, transparent 31.1%),
    radial-gradient(ellipse at 23% 34%, rgba(134, 163, 181, 0.1), transparent 43%),
    var(--canvas);
}

html[data-surface="member"][data-identity-scheme="dark"] body.identity-visible .identity-gate::after {
  opacity: 0.58;
}

html[data-surface="member"][data-identity-scheme="dark"] body.identity-visible .identity-signature .signature-line--flower {
  stroke: var(--identity-warmth);
}

html[data-surface="member"][data-identity-scheme="dark"] body.identity-visible .identity-geometry__plane {
  stroke: rgba(184, 199, 209, 0.26);
}

html[data-surface="member"][data-identity-scheme="dark"] body.identity-visible .identity-geometry__fold,
html[data-surface="member"][data-identity-scheme="dark"] body.identity-visible .identity-geometry__axis {
  stroke: rgba(184, 199, 209, 0.12);
}

html[data-surface="member"][data-identity-scheme="dark"] body.identity-visible .identity-geometry__thread {
  stroke: var(--accent);
}

html[data-surface="member"][data-identity-scheme="dark"] body.identity-visible .identity-geometry__thread--fine {
  stroke: var(--accent-secondary);
  opacity: 0.64;
}

html[data-surface="member"][data-identity-scheme="dark"] body.identity-visible .identity-geometry__stitch {
  stroke: color-mix(in srgb, var(--identity-warmth) 42%, transparent);
}

html[data-surface="member"][data-identity-scheme="dark"] body.identity-visible .identity-geometry__petal {
  fill: color-mix(in srgb, var(--identity-memory) 7%, transparent);
  stroke: var(--identity-memory);
}

html[data-surface="member"][data-identity-scheme="dark"] body.identity-visible .identity-geometry__petal--echo {
  fill: none;
  stroke: var(--accent-secondary);
}

html[data-surface="member"][data-identity-scheme="dark"] body.identity-visible .identity-card::after {
  backdrop-filter: blur(22px) saturate(0.78);
}

html[data-surface="member"][data-identity-scheme="dark"] body.identity-visible .identity-card__scaffold span:nth-child(1) {
  border-color: var(--accent);
}

html[data-surface="member"][data-identity-scheme="dark"] body.identity-visible .identity-card__scaffold span:nth-child(2) {
  border-color: color-mix(in srgb, var(--accent-secondary) 56%, transparent);
}

html[data-surface="member"][data-identity-scheme="dark"] body.identity-visible .identity-card__scaffold span:nth-child(3) {
  border-color: color-mix(in srgb, var(--identity-memory) 54%, transparent);
}

html[data-surface="member"][data-identity-scheme="dark"] body.identity-visible .identity-card__scaffold i,
html[data-surface="member"][data-identity-scheme="dark"] body.identity-visible .identity-card__index i {
  border-color: var(--identity-warmth);
  border-radius: 50%;
  background: var(--identity-warmth);
  transform: none;
}

html[data-surface="member"][data-identity-scheme="dark"] body.identity-visible .identity-mode-switch button::before {
  border-color: rgba(184, 199, 209, 0.36);
  border-radius: 50%;
  background: var(--surface-1);
  transform: none;
}

html[data-surface="member"][data-identity-scheme="dark"] body.identity-visible .identity-mode-switch button.is-active::before {
  border-color: var(--identity-warmth);
  background: var(--identity-warmth);
}

html[data-surface="member"][data-identity-scheme="dark"] body.identity-visible .identity-mode-switch button.is-active::after,
html[data-surface="member"][data-identity-scheme="dark"] body.identity-visible .identity-field::after {
  background: linear-gradient(90deg, var(--accent), var(--identity-memory), transparent 82%);
}

html[data-surface="member"][data-identity-scheme="dark"] body.identity-visible .identity-field input:hover {
  border-color: rgba(184, 199, 209, 0.32);
  background: linear-gradient(90deg, rgba(134, 163, 181, 0.045), transparent 72%);
}

html[data-surface="member"][data-identity-scheme="dark"] body.identity-visible .identity-field input:focus {
  background: linear-gradient(90deg, rgba(134, 163, 181, 0.075), transparent 72%);
}

html[data-surface="member"][data-identity-scheme="dark"] body.identity-visible .identity-submit {
  background: linear-gradient(100deg, #8397a3, #b4c2c9 76%, #9eacb5);
  color: #0d151d;
  box-shadow: none;
}

html[data-surface="member"][data-identity-scheme="dark"] body.identity-visible .identity-submit::before {
  position: absolute;
  top: 0;
  left: 9%;
  width: 24%;
  height: 1px;
  background: var(--identity-warmth);
  content: "";
}

html[data-surface="member"][data-identity-scheme="dark"] body.identity-visible .status-mark__outer {
  stroke: var(--accent);
}

html[data-surface="member"][data-identity-scheme="dark"] body.identity-visible .status-mark__inner {
  stroke: var(--identity-memory);
}

html[data-surface="member"][data-identity-scheme="dark"] body.identity-visible .identity-status__mark span {
  color: var(--identity-warmth);
}

@media (min-width: 1921px) {
  .identity-phase {
    bottom: 68px;
  }
}

@media (max-width: 760px) {
  .identity-gate:has(#identity-register-form:not([hidden])) {
    padding-bottom: 160px;
  }

  .identity-phase {
    right: 20px;
    bottom: 53px;
    left: 20px;
    justify-content: center;
    gap: 10px;
    transform: none;
  }

  .identity-phase__copy {
    min-width: 78px;
  }

  body.identity-visible .public-status-signal--gate {
    min-height: 45px;
    gap: 10px;
    padding-block: 6px 8px;
    grid-template-columns: 8px minmax(0, 1fr);
  }

  body.identity-visible .public-status-signal--gate small {
    display: none;
  }
}

@media (max-width: 520px) {
  .identity-phase {
    right: 14px;
    left: 14px;
    justify-content: flex-end;
  }

  .identity-phase__copy {
    margin-right: auto;
    text-align: left;
  }

  .identity-phase__copy > span {
    display: none;
  }

  body.identity-visible .public-status-signal--gate b {
    max-width: none;
    font-size: 10px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .identity-phase button,
  .identity-phase button::before,
  .identity-phase button::after {
    transition-duration: 0.01ms !important;
  }
}