/* 路西AI 顶栏/页脚/登录弹窗，从站点样式抽出，避免全局 button/a/svg 规则冲进 omni 工具页 */
.topbar button,
.modal button,
.bottom-nav button,
.dropdown button,
.footer button {
  font: inherit;
  cursor: pointer;
  border: 0;
}
.topbar button:not(.btn):not(.credits-badge):not(.user-btn):not([data-lang-set]),
.modal button:not(.btn),
.bottom-nav button,
.dropdown button,
.footer button:not(.btn) {
  color: inherit;
  background: none;
}
.topbar a,
.footer a,
.bottom-nav a,
.modal a,
.dropdown a {
  color: inherit;
  text-decoration: none;
}
.topbar,
.footer,
.bottom-nav,
.modal,
.toast {
  font-family: var(--font);
  position: relative;
  z-index: 1;
}
.topbar { z-index: 40; }
.modal { z-index: 80; }
.toast { z-index: 90; }
.bottom-nav { z-index: 30; }

:root {
  --bg: #141414;
  --bg-elev: #0A0A0A;
  --fg: #F2F2F2;
  --fg-muted: #A8A8A8;
  --fg-faint: #8A8A8A;
  --cyan: #00F0FF;
  --cyan-on: #001416;
  --magenta: #FF2BD6;
  --magenta-on: #1A0014;
  --accent: var(--cyan);
  --accent-on: var(--cyan-on);
  --border: #1A1A1A;
  --border-strong: #5C5C5C;
  --border-field: #5C5C5C;
  --border-neon: color-mix(in srgb, var(--cyan) 28%, #1A1A1A);
  --danger: #FF5C7A;
  --card: #000000;
  --glow-cyan: 0 0 10px color-mix(in srgb, var(--cyan) 28%, transparent);
  --glow-cyan-soft: 0 0 18px color-mix(in srgb, var(--cyan) 18%, transparent);
  --glow-magenta: 0 0 10px color-mix(in srgb, var(--magenta) 28%, transparent);
  --font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
  --font-display: "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --radius: 0px;
  --chamfer: 10px;
  --chamfer-sm: 7px;
  --space: 8px;
  --max: 1120px;
  --ring: var(--cyan);
  --overlay: rgba(0, 0, 0, 0.82);
  --grid-line: color-mix(in srgb, var(--cyan) 5%, transparent);
  --mask-show: #FFFFFF;
  --shadow-deep: rgba(0, 0, 0, 0.6);
  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
  --dur: 0.16s;
}

.wrap { width: min(100% - 40px, var(--max)); margin-inline: auto; }
@media (max-width: 640px) { .wrap { width: min(100% - 24px, var(--max)); } }

html { height: 100%; }
html, body { min-height: 100%; }
body {
  margin: 0;
  min-height: 100%;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}
#root {
  flex: 1 1 auto;
  min-width: 0;
  padding-bottom: 20px;
}

/* ——— Topbar ——— */
.topbar {
  position: sticky; top: 0; z-index: 40;
  border-bottom: 1px solid var(--border);
  background: color-mix(in srgb, var(--bg) 90%, transparent);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.topbar::after {
  content: "";
  position: absolute; left: 0; right: 0; bottom: -1px; height: 1px;
  background: linear-gradient(90deg, transparent 0%, var(--cyan) 18%, var(--magenta) 82%, transparent 100%);
  opacity: 0.45;
}
.topbar__inner {
  display: flex; align-items: center; gap: 16px;
  height: 60px;
}
.logo {
  display: flex; align-items: center; gap: 8px;
  font-weight: 600; letter-spacing: -0.02em;
  flex-shrink: 0;
  transition: opacity var(--dur) var(--ease);
}
.logo:hover { opacity: 0.88; }
.logo__mark {
  width: 20px; height: 20px;
  display: block;
  flex-shrink: 0;
  object-fit: contain;
}
.back-top {
  position: fixed;
  right: 16px;
  bottom: calc(16px + 40px + env(safe-area-inset-bottom, 0px));
  z-index: 36;
  width: 40px;
  height: 40px;
  padding: 0;
  display: grid;
  place-items: center;
  color: var(--cyan);
  background: var(--bg-elev);
  border: 0;
  --edge: var(--border-strong);
  clip-path: polygon(0 0, calc(100% - var(--chamfer-sm)) 0, 100% var(--chamfer-sm), 100% 100%, var(--chamfer-sm) 100%, 0 calc(100% - var(--chamfer-sm)));
  filter: drop-shadow(0 0 0.6px var(--edge)) drop-shadow(0 0 0.6px var(--edge)) drop-shadow(0 0 0.6px var(--edge));
  opacity: 0;
  pointer-events: none;
  transform: translateY(8px);
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease), filter var(--dur) var(--ease), color var(--dur) var(--ease);
}
.back-top.is-visible {
  opacity: 1;
  pointer-events: auto;
  transform: none;
}
.back-top:hover {
  --edge: color-mix(in srgb, var(--cyan) 50%, var(--border-strong));
  filter: drop-shadow(0 0 0.6px var(--edge)) drop-shadow(0 0 0.6px var(--edge)) drop-shadow(0 0 0.6px var(--edge)) drop-shadow(0 0 10px color-mix(in srgb, var(--cyan) 28%, transparent));
}
.back-top:focus-visible {
  outline: 2px solid var(--ring);
  outline-offset: 2px;
}
.back-top svg { display: block; }
@media (prefers-reduced-motion: reduce) {
  .back-top { transform: none; transition: opacity var(--dur) var(--ease); }
}

.logo__text { color: var(--fg); }
.logo__lat {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.92em;
  color: var(--cyan);
  letter-spacing: 0.04em;
}
.topbar__search {
  flex: 1; max-width: 360px; display: flex; align-items: center; gap: 8px;
  border: 0; background: var(--bg-elev); padding: 0 12px; height: 40px;
  --edge: var(--border-field);
  clip-path: polygon(0 0, calc(100% - var(--chamfer-sm)) 0, 100% var(--chamfer-sm), 100% 100%, var(--chamfer-sm) 100%, 0 calc(100% - var(--chamfer-sm)));
  filter: drop-shadow(0 0 0.6px var(--edge)) drop-shadow(0 0 0.6px var(--edge)) drop-shadow(0 0 0.6px var(--edge));
  transition: filter var(--dur) var(--ease), background-color var(--dur) var(--ease);
}
.topbar__search:focus-within {
  --edge: color-mix(in srgb, var(--cyan) 50%, var(--border));
  filter: drop-shadow(0 0 0.6px var(--edge)) drop-shadow(0 0 0.6px var(--edge)) drop-shadow(0 0 0.6px var(--edge)) drop-shadow(0 0 10px color-mix(in srgb, var(--cyan) 28%, transparent));
}
.topbar__search input {
  flex: 1; border: 0; background: transparent; outline: none; min-width: 0;
}
.topbar__search input::placeholder { color: var(--fg-faint); }
.topbar__search svg { color: var(--fg-faint); flex-shrink: 0; }
.search-kbd {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--fg-faint);
  border: 1px solid var(--border);
  padding: 2px 8px;
  line-height: 1.4;
}
.topbar__nav { display: flex; gap: 2px; }
.topbar__nav a {
  padding: 8px 12px; color: var(--fg-muted); font-size: 14px;
  min-height: 40px; display: inline-flex; align-items: center;
  transition: color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.topbar__nav a.is-active, .topbar__nav a:hover { color: var(--fg); }
.topbar__nav a.is-active {
  box-shadow: inset 0 -2px 0 var(--cyan);
}
.topbar__actions { display: flex; align-items: center; gap: 8px; margin-left: auto; flex-shrink: 0; }
.topbar__actions .btn { height: 40px; }
.topbar__actions .credits-badge,
.topbar__actions .user-btn { height: 40px; }

/* ——— Buttons ——— */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  height: 44px; padding: 0 16px; font-size: 14px; font-weight: 500;
  border: 0; position: relative;
  --edge: transparent;
  clip-path: polygon(0 0, calc(100% - var(--chamfer-sm)) 0, 100% var(--chamfer-sm), 100% 100%, var(--chamfer-sm) 100%, 0 calc(100% - var(--chamfer-sm)));
  transition: background-color var(--dur) var(--ease), color var(--dur) var(--ease), filter var(--dur) var(--ease), opacity var(--dur) var(--ease);
}
.btn:active { filter: brightness(0.9) drop-shadow(0 0 0.6px var(--edge)) drop-shadow(0 0 0.6px var(--edge)) drop-shadow(0 0 0.6px var(--edge)); }
.btn:disabled { opacity: 0.45; cursor: not-allowed; color: var(--fg-faint); }
.btn--ghost {
  color: var(--fg); background: var(--bg);
  --edge: var(--border-strong);
  filter: drop-shadow(0 0 0.6px var(--edge)) drop-shadow(0 0 0.6px var(--edge)) drop-shadow(0 0 0.6px var(--edge));
}
.btn--ghost:hover {
  --edge: color-mix(in srgb, var(--cyan) 45%, var(--border-strong));
  color: var(--cyan);
  filter: drop-shadow(0 0 0.6px var(--edge)) drop-shadow(0 0 0.6px var(--edge)) drop-shadow(0 0 0.6px var(--edge));
}
.btn--primary {
  background: var(--cyan); color: var(--cyan-on);
  --edge: var(--cyan);
  filter: drop-shadow(0 0 0.6px var(--edge)) drop-shadow(0 0 10px color-mix(in srgb, var(--cyan) 28%, transparent));
}
.btn--primary:hover {
  filter: brightness(1.06) drop-shadow(0 0 0.6px var(--edge)) drop-shadow(0 0 18px color-mix(in srgb, var(--cyan) 18%, transparent));
}
.btn--magenta {
  background: var(--magenta); color: var(--magenta-on);
  --edge: var(--magenta);
  filter: drop-shadow(0 0 0.6px var(--edge)) drop-shadow(0 0 10px color-mix(in srgb, var(--magenta) 28%, transparent));
}
.btn--magenta:hover {
  filter: brightness(1.06) drop-shadow(0 0 0.6px var(--edge)) drop-shadow(0 0 10px color-mix(in srgb, var(--magenta) 28%, transparent));
}
.btn--block { width: 100%; height: 44px; }
.btn-text {
  display: inline-flex; align-items: center; height: 44px; padding: 0 12px;
  font-size: 14px; font-weight: 500; color: var(--magenta);
  text-decoration: underline; text-underline-offset: 4px; text-decoration-thickness: 1px;
  background: transparent; border: 0;
  transition: color var(--dur) var(--ease), opacity var(--dur) var(--ease);
}
.btn-text:hover { color: var(--fg); }

/* ——— Auth chrome ——— */
.credits-badge {
  display: inline-flex; align-items: center; gap: 8px;
  height: 40px; padding: 0 12px;
  border: 0; font-size: 13px; color: var(--fg-muted);
  background: var(--bg-elev);
  --edge: var(--border-field);
  clip-path: polygon(0 0, calc(100% - var(--chamfer-sm)) 0, 100% var(--chamfer-sm), 100% 100%, var(--chamfer-sm) 100%, 0 calc(100% - var(--chamfer-sm)));
  filter: drop-shadow(0 0 0.6px var(--edge)) drop-shadow(0 0 0.6px var(--edge)) drop-shadow(0 0 0.6px var(--edge));
  transition: color var(--dur) var(--ease), filter var(--dur) var(--ease);
}
.auth-guest .credits-badge:hover {
  --edge: color-mix(in srgb, var(--magenta) 40%, var(--border));
  color: var(--fg);
  filter: drop-shadow(0 0 0.6px var(--edge)) drop-shadow(0 0 0.6px var(--edge)) drop-shadow(0 0 0.6px var(--edge));
}
.credits-badge__val {
  color: var(--magenta);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  text-shadow: 0 0 8px color-mix(in srgb, var(--magenta) 35%, transparent);
}
.auth-guest { display: none; align-items: center; gap: 8px; }
.auth-user { display: none; align-items: center; gap: 8px; position: relative; }
body[data-auth="guest"] .auth-guest { display: flex; }
body[data-auth="user"] .auth-user { display: flex; }
.user-menu { position: relative; }
.user-btn {
  display: flex; align-items: center; gap: 8px;
  height: 40px; padding: 0 12px; border: 1px solid var(--border); font-size: 13px;
  background: var(--bg-elev);
  transition: border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}
.user-btn:hover {
  border-color: color-mix(in srgb, var(--cyan) 35%, var(--border));
}
.avatar {
  width: 22px; height: 22px; background: var(--magenta); color: var(--magenta-on);
  display: grid; place-items: center; font-size: 11px; font-weight: 700;
  clip-path: polygon(0 0, 100% 0, 100% 70%, 70% 100%, 0 100%);
}
.avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.dropdown {
  position: absolute; right: 0; top: calc(100% + 6px);
  min-width: 168px; background: var(--bg-elev); border: 1px solid var(--border-neon); z-index: 50;
  box-shadow: 0 12px 32px var(--shadow-deep);
}
.dropdown a,
.dropdown button {
  display: block; width: 100%; text-align: left; padding: 12px 16px; font-size: 13px; color: var(--fg-muted);
  min-height: 44px;
  transition: background-color var(--dur) var(--ease), color var(--dur) var(--ease);
}
.dropdown a:hover,
.dropdown button:hover { background: var(--card); color: var(--fg); }
.recharge-btn {
  height: 40px; padding: 0 14px; font-size: 13px;
}
.recharge-btn.is-current {
  color: var(--cyan);
  --edge: color-mix(in srgb, var(--cyan) 45%, var(--border-strong));
}
@media (max-width: 900px) {
  .topbar__nav, .topbar .topbar__search { display: none; }
  .topbar__inner { height: 56px; gap: 8px; }
  .auth-user { gap: 6px; }
  .topbar__actions { gap: 6px; }
  .credits-badge { height: 36px; padding: 0 8px; gap: 6px; font-size: 12px; }
  .topbar__actions .btn,
  .topbar__actions .credits-badge,
  .topbar__actions .user-btn { height: 36px; }
  .recharge-btn { padding: 0 10px; font-size: 13px; flex-shrink: 0; }
  .user-btn { padding: 0 8px; }
  #userName { max-width: 4.5em; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
}
@media (max-width: 420px) {
  #userName { display: none; }
  .auth-guest .credits-badge { display: none; }
}

.footer {
  flex-shrink: 0;
  position: relative;
  padding: 0; padding-bottom: env(safe-area-inset-bottom, 0px);
  color: var(--fg-faint); font-size: 13px;
}
.footer::before {
  content: "";
  position: absolute; left: 0; right: 0; top: 0; height: 1px;
  background: linear-gradient(90deg, transparent 0%, var(--cyan) 18%, var(--magenta) 82%, transparent 100%);
  opacity: 0.45;
}
.footer__row {
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  border-top: 1px solid var(--border); padding-top: 0;
  align-items: center; height: 40px;
  overflow: hidden;
  box-sizing: border-box;
}
.footer nav { display: flex; gap: 20px; }
.footer a {
  transition: color var(--dur) var(--ease);
  min-height: 0; height: auto; align-self: stretch; display: inline-flex; align-items: center;
}
.footer a:hover { color: var(--cyan); }

.modal[hidden] { display: none !important; }
.modal {
  position: fixed; inset: 0; z-index: 80;
  background: var(--overlay); display: grid; place-items: center; padding: 20px;
}
.modal__panel {
  width: min(100%, 400px);
  background: var(--bg);
  color: var(--fg);
  border: 0;
  padding: 28px 24px 24px;
  --edge: var(--border-neon);
  clip-path: polygon(0 0, calc(100% - 16px) 0, 100% 16px, 100% 100%, 16px 100%, 0 calc(100% - 16px));
  filter: drop-shadow(0 0 0.6px var(--edge)) drop-shadow(0 0 0.6px var(--edge)) drop-shadow(0 0 0.6px var(--edge)) drop-shadow(0 0 18px color-mix(in srgb, var(--cyan) 18%, transparent)) drop-shadow(0 24px 48px var(--shadow-deep));
  position: relative;
  max-height: calc(100vh - 40px);
  overflow-y: auto;
}
.modal h2 { margin: 0 0 8px; font-size: 20px; letter-spacing: -0.02em; }
.modal__sub { margin: 0 0 20px; color: var(--fg-muted); font-size: 14px; }
.field { display: grid; gap: 8px; margin-bottom: 16px; }
.field[hidden], .field--code[hidden] { display: none !important; }
.field label { font-size: 13px; color: var(--fg-muted); }
.field input {
  height: 44px; padding: 0 12px; border: 1px solid var(--border-field); background: var(--bg-elev); outline: none;
}
.field input:focus-visible {
  outline: 2px solid var(--ring);
  outline-offset: 2px;
}
.modal__close {
  position: absolute; top: 28px; right: 16px;
  width: 36px; height: 36px; border: 1px solid var(--border); color: var(--fg-muted);
  display: grid; place-items: center; font-size: 18px; line-height: 1;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.modal__close:hover { color: var(--fg); border-color: var(--border-strong); }
.linkish {
  color: var(--magenta); text-decoration: underline; background: none; border: 0; cursor: pointer; font: inherit;
  text-underline-offset: 3px;
}
.auth-hint { margin-top: 16px; font-size: 13px; color: var(--fg-muted); text-align: center; }
#authModeSwitch {
  display: flex; justify-content: center; gap: 4px; align-items: baseline;
  margin: 4px 0 0;
}
.field--code .field__row {
  display: flex; gap: 8px; align-items: stretch;
}
.field--code .field__row input { flex: 1; min-width: 0; }
.field--code .field__row .btn {
  flex: 0 0 auto; height: 44px; padding: 0 12px;
  white-space: nowrap; font-size: 13px; min-width: 7.5em;
}


/* ——— 微信扫码登录 ——— */
.wx-login {
  display: flex; flex-direction: column; align-items: center; gap: 16px;
  margin-top: 8px;
  padding: 20px 0 8px;
  border-top: 1px solid var(--border-strong);
}
.wx-login__btn {
  width: 88px; height: 88px;
  display: grid; place-items: center;
  background: #07C160; color: #fff;
  border: 0;
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 14px 100%, 0 calc(100% - 14px));
  filter: drop-shadow(0 0 0.6px #07C160) drop-shadow(0 8px 20px color-mix(in srgb, #07C160 35%, transparent));
  transition: filter var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.wx-login__btn:hover { filter: brightness(1.06) drop-shadow(0 0 0.6px #07C160) drop-shadow(0 10px 24px color-mix(in srgb, #07C160 45%, transparent)); }
.wx-login__btn:focus-visible { outline: 2px solid var(--ring); outline-offset: 3px; }
.wx-login__btn:active { transform: scale(0.97); }
.wx-login__hint { margin: 0; font-size: 13px; color: var(--fg-muted); text-align: center; }
.wx-qr { display: flex; flex-direction: column; align-items: center; gap: 14px; }
.wx-qr__box {
  width: 220px; height: 220px; padding: 12px;
  background: #fff; color: #111;
  display: grid; place-items: center;
}
.wx-qr__box svg { width: 100%; height: 100%; }
.wx-qr__status { margin: 0; font-size: 13px; color: var(--fg-muted); text-align: center; min-height: 1.4em; }
.wx-qr__status.is-error, .auth-error { color: var(--danger); }
.auth-error { margin: 0 0 12px; font-size: 13px; text-align: center; }
#wxRetryBtn { margin-top: 4px; width: auto; min-width: 160px; }

/* ——— Toast / preview / mobile ——— */
.toast {
  position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%);
  background: var(--fg); color: var(--bg); padding: 12px 16px; font-size: 13px; z-index: 90;
  border: 1px solid var(--cyan);
  max-width: min(90vw, 360px);
}
.toast[hidden] { display: none !important; }
.preview-bar {
  position: fixed; left: 12px; bottom: 12px; z-index: 70;
  display: flex; gap: 4px; background: var(--bg-elev); border: 1px solid var(--border); padding: 4px;
}
.preview-bar .chip {
  height: 32px; padding: 0 12px; font-size: 11px; color: var(--fg-muted); border: 1px solid transparent;
  transition: background-color var(--dur) var(--ease), color var(--dur) var(--ease);
}
.preview-bar .chip.is-active { color: var(--cyan-on); background: var(--cyan); }
.preview-bar .chip:hover:not(.is-active) { color: var(--fg); }
.mobile-search {
  display: none; padding: 12px 0 0;
}
@media (max-width: 900px) {
  .mobile-search { display: block; }
  .mobile-search .topbar__search {
    display: flex;
    max-width: none;
    width: 100%;
    clip-path: none;
    height: 44px;
  }
}
.bottom-nav {
  display: none; position: sticky; bottom: 0; z-index: 30;
  border-top: 1px solid var(--border); background: color-mix(in srgb, var(--bg) 94%, transparent);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  padding-bottom: env(safe-area-inset-bottom, 0);
}
.bottom-nav::before {
  content: "";
  position: absolute; left: 0; right: 0; top: -1px; height: 1px;
  background: linear-gradient(90deg, transparent 0%, var(--cyan) 18%, var(--magenta) 82%, transparent 100%);
  opacity: 0.45;
}
.bottom-nav__beian {
  display: flex; align-items: center; justify-content: center;
  height: 22px;
  border-bottom: 1px solid var(--border);
}
.bottom-nav__beian a {
  display: inline-flex; align-items: center; justify-content: center;
  height: 22px; min-height: 0;
  font-size: 11px; color: var(--fg-faint);
  letter-spacing: 0.02em;
}
.bottom-nav__beian a:hover { color: var(--cyan); }
.bottom-nav__inner {
  display: grid; grid-template-columns: repeat(4, 1fr); height: 40px;
}
.bottom-nav__inner a {
  display: grid; place-items: center; gap: 0; font-size: 10px; color: var(--fg-faint);
  min-height: 40px;
  transition: color var(--dur) var(--ease);
}
.bottom-nav__inner a.is-active { color: var(--cyan); }
.bottom-nav__inner a:hover { color: var(--fg); }
@media (max-width: 700px) {
  .band { padding: 32px 0; }
}

html[data-lang=en]:not(.i18n-ready) body{opacity:0}
.lang-switch{display:inline-flex;align-items:center;height:40px;padding:0 2px;gap:0;background:var(--bg-elev);--edge:var(--border-field);clip-path:polygon(0 0,calc(100% - var(--chamfer-sm)) 0,100% var(--chamfer-sm),100% 100%,var(--chamfer-sm) 100%,0 calc(100% - var(--chamfer-sm)));filter:drop-shadow(0 0 .6px var(--edge)) drop-shadow(0 0 .6px var(--edge)) drop-shadow(0 0 .6px var(--edge))}
.lang-switch button{height:32px;padding:0 10px;min-width:40px;font-size:12px;font-weight:600;letter-spacing:.04em;color:var(--fg-muted);background:transparent;border:0;clip-path:none;filter:none}
.lang-switch button.is-active{color:var(--cyan-on);background:var(--cyan)}
.lang-switch button:hover:not(.is-active){color:var(--fg)}
@media (max-width:700px){.lang-switch{height:36px}.lang-switch button{height:28px;padding:0 8px;min-width:34px;font-size:11px}}