/* =========================================================
   WordsAway — Modern UI
   全新超现代化设计：深色玻璃拟态 + 渐变光晕，无任何图片引用
   ========================================================= */

:root {
  --bg-0: #0a0a0b;
  --bg-1: #111113;
  --surface: rgba(255, 255, 255, 0.04);
  --surface-strong: rgba(255, 255, 255, 0.07);
  --border: rgba(255, 255, 255, 0.09);
  --border-strong: rgba(255, 255, 255, 0.16);
  --text-0: #f2ede4;
  --text-1: #b9b3a8;
  --text-2: #837c72;
  /* 美式经典配色：深藏青 / 暗砖红 / 黄铜金，克制、偏暗，不用高饱和霓虹色 */
  --accent-a: #2c3e5c;
  --accent-b: #6e2f28;
  --accent-gold: #ab8347;
  --danger: #a8443c;
  --radius-lg: 22px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --shadow-lg: 0 20px 60px -20px rgba(0, 0, 0, 0.65);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  /* 页面外壳左右安全间距，随视口平滑收缩，小屏也不贴边 */
  --edge: clamp(16px, 4.5vw, 56px);
}

* {
  box-sizing: border-box;
}

/* 通用工具类：用于初始隐藏条件展示的表单区块（例如「隐藏文本」输入框、
   隐藏文本密码框、竖排选项、还原模式字段、替换字体选择框等）。
   这些区块在 HTML 中默认带有 .hidden 类，依赖本规则在页面初次加载时
   保持折叠，随后由 js/app.js 中的联动逻辑通过内联 style.display 控制
   展开/收起（内联样式的优先级高于本类选择器，因此二者不会冲突）。 */
.hidden {
  display: none;
}

/* 基准字号随视口宽度平滑缩放：所有 rem 单位都会跟随联动缩小/放大，
   这样窗口收缩时字体是连续渐变的，而不是只在几个断点上跳变。 */
html {
  font-size: clamp(13.5px, 0.85vw + 11px, 16px);
}

html,
body {
  margin: 0;
  padding: 0;
  min-height: 100%;
  background: var(--bg-0);
  color: var(--text-0);
  font-family:
    "Inter",
    "Noto Sans SC",
    "PingFang SC",
    "Helvetica Neue",
    -apple-system,
    BlinkMacSystemFont,
    sans-serif;
  -webkit-font-smoothing: antialiased;
  letter-spacing: 0.1px;
}

body {
  position: relative;
  overflow-x: hidden;
  background:
    radial-gradient(
      60% 50% at 12% -10%,
      rgba(44, 62, 92, 0.28),
      transparent 60%
    ),
    radial-gradient(
      50% 45% at 100% 0%,
      rgba(171, 131, 71, 0.14),
      transparent 60%
    ),
    radial-gradient(
      70% 60% at 50% 120%,
      rgba(110, 47, 40, 0.16),
      transparent 60%
    ),
    var(--bg-0);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 42px 42px;
  -webkit-mask-image: radial-gradient(
    70% 60% at 50% 20%,
    black,
    transparent 85%
  );
  mask-image: radial-gradient(70% 60% at 50% 20%, black, transparent 85%);
  z-index: 0;
}

a {
  color: inherit;
  text-decoration: none;
}

::selection {
  background: rgba(44, 62, 92, 0.35);
}

::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: linear-gradient(var(--accent-a), var(--accent-b));
  border-radius: 10px;
  border: 2px solid var(--bg-0);
}

/* ---------- 顶部导航 ---------- */

.topbar {
  position: sticky;
  top: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 14px var(--edge);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
  backdrop-filter: blur(18px) saturate(160%);
  background: rgba(9, 10, 15, 0.55);
  border-bottom: 1px solid var(--border);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  font-size: clamp(0.92rem, 0.6rem + 0.6vw, 1.05rem);
  flex: none;
  min-width: 0;
}

.brand .mark {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  background: linear-gradient(150deg, var(--accent-a), #1a2433);
  border: 1px solid rgba(171, 131, 71, 0.4);
  box-shadow: 0 8px 20px -8px rgba(0, 0, 0, 0.6);
  font-size: 15px;
  color: var(--accent-gold);
  font-weight: 800;
  flex: none;
}

.brand .name {
  color: var(--text-0);
  white-space: nowrap;
}
.brand .name small {
  display: block;
  font-size: 0.62rem;
  font-weight: 500;
  color: var(--text-2);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-top: 1px;
}

.topbar nav {
  display: flex;
  gap: 6px;
  overflow-x: auto;
  -ms-overflow-style: none;
  min-width: 0;
}
.topbar nav::-webkit-scrollbar {
  display: none;
}

.topbar nav a {
  padding: 8px 14px;
  border-radius: 999px;
  font-size: clamp(0.76rem, 0.65rem + 0.3vw, 0.86rem);
  color: var(--text-1);
  white-space: nowrap;
  flex: none;
  transition: all 0.25s var(--ease);
}

.topbar nav a:hover {
  color: var(--text-0);
  background: var(--surface-strong);
}

.topbar .gh-link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid var(--border-strong);
  font-size: 0.82rem;
  color: var(--text-1);
  flex: none;
  transition: all 0.25s var(--ease);
}
.topbar .gh-link:hover {
  border-color: var(--accent-gold);
  color: var(--text-0);
  transform: translateY(-1px);
}

/* ---------- Hero ---------- */

.hero {
  position: relative;
  z-index: 1;
  padding: clamp(40px, 9vw, 108px) var(--edge) 40px;
  max-width: 1180px;
  margin: 0 auto;
  text-align: center;
}

.only-mobile {
  display: none;
}
@media (max-width: 560px) {
  .only-mobile {
    display: revert;
  }
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 999px;
  border: 1px solid var(--border-strong);
  background: var(--surface);
  font-size: clamp(0.7rem, 0.6rem + 0.3vw, 0.78rem);
  color: var(--text-1);
  margin-bottom: clamp(18px, 3vw, 26px);
}
.eyebrow .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent-gold);
  box-shadow: 0 0 10px rgba(171, 131, 71, 0.7);
}

.hero h1 {
  font-size: clamp(1.6rem, 1rem + 3vw, 3.2rem);
  line-height: 1.12;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin: 0 0 20px;
  background: linear-gradient(
    120deg,
    #f4efe6 20%,
    #d9c9a3 55%,
    var(--accent-gold) 100%
  );
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  word-break: keep-all;
  overflow-wrap: break-word;
}

.hero .sub {
  max-width: 640px;
  margin: 0 auto clamp(22px, 3vw, 30px);
  color: var(--text-1);
  font-size: clamp(0.88rem, 0.78rem + 0.4vw, 1.14rem);
  line-height: 1.75;
  padding: 0 4px;
}

.hero .cta-row {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: clamp(36px, 6vw, 54px);
}

.btn {
  appearance: none;
  border: none;
  cursor: pointer;
  font-family: inherit;
  font-size: clamp(0.84rem, 0.78rem + 0.2vw, 0.92rem);
  font-weight: 600;
  padding: 13px clamp(18px, 3vw, 26px);
  border-radius: 999px;
  transition: all 0.25s var(--ease);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  white-space: nowrap;
}

.btn-primary {
  color: #f2ede4;
  background: linear-gradient(160deg, #374d68 0%, #1c2635 100%);
  border: 1px solid rgba(171, 131, 71, 0.4);
  box-shadow: 0 12px 28px -12px rgba(0, 0, 0, 0.6);
}
.btn-primary:hover {
  transform: translateY(-2px);
  border-color: rgba(171, 131, 71, 0.75);
  box-shadow: 0 16px 34px -12px rgba(0, 0, 0, 0.7);
}
.btn-primary:active {
  transform: translateY(0);
}

.btn-ghost {
  color: var(--text-0);
  background: var(--surface);
  border: 1px solid var(--border-strong);
}
.btn-ghost:hover {
  background: var(--surface-strong);
  transform: translateY(-2px);
}

.btn-small {
  padding: 9px 18px;
  font-size: clamp(0.78rem, 0.73rem + 0.15vw, 0.82rem);
}
.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

@media (max-width: 420px) {
  .hero .cta-row {
    flex-direction: column;
    align-items: stretch;
  }
  .hero .cta-row .btn {
    width: 100%;
  }
}

.stat-strip {
  display: flex;
  justify-content: center;
  gap: clamp(16px, 5vw, 64px);
  flex-wrap: wrap;
  padding-top: 6px;
}
.stat-strip .stat {
  text-align: center;
  min-width: 76px;
}
.stat-strip .stat b {
  display: block;
  font-size: clamp(1.2rem, 1.05rem + 0.4vw, 1.5rem);
  font-weight: 800;
  background: linear-gradient(120deg, #f2ede4, var(--accent-gold));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.stat-strip .stat span {
  font-size: clamp(0.68rem, 0.63rem + 0.15vw, 0.78rem);
  color: var(--text-2);
}

/* ---------- 通用容器 / 卡片 ---------- */

.shell {
  position: relative;
  z-index: 1;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 var(--edge) 100px;
}

.section-head {
  text-align: center;
  max-width: 620px;
  margin: 0 auto clamp(28px, 4vw, 40px);
  padding: 0 8px;
}
.section-head h2 {
  font-size: clamp(1.4rem, 1.1rem + 1.6vw, 2.2rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin: 0 0 12px;
}
.section-head p {
  color: var(--text-1);
  line-height: 1.7;
  margin: 0;
  font-size: clamp(0.85rem, 0.8rem + 0.2vw, 0.95rem);
}

.panel {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  -webkit-backdrop-filter: blur(20px);
  backdrop-filter: blur(20px);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.panel::before {
  content: "";
  position: absolute;
  inset: 0;
  padding: 1px;
  border-radius: inherit;
  background: linear-gradient(
    140deg,
    rgba(44, 62, 92, 0.5),
    transparent 30%,
    transparent 70%,
    rgba(171, 131, 71, 0.3)
  );
  -webkit-mask:
    linear-gradient(#fff 0 0) content-box,
    linear-gradient(#fff 0 0);
  mask:
    linear-gradient(#fff 0 0) content-box,
    linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

/* ---------- 工作台 ---------- */

/* 工作台始终保持单栏纵向布局（输入在上、结果在下），
   无论大屏小屏都不再拆分成左右两栏；面板宽度限定在一个
   舒适的居中卡片宽度内，不随超宽屏被拉得过宽。 */
#workbench.shell {
  max-width: clamp(1180px, 94vw, 1440px);
}

.panel.workbench {
  max-width: 860px;
  margin: 0 auto;
}

.workbench {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  align-items: start;
}

.pane-right,
.pane-translate {
  border-top: 1px solid var(--border);
}

.pane {
  padding: clamp(18px, 3vw, 34px);
  min-width: 0;
}

.field-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.pane-title {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  row-gap: 10px;
  gap: 10px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-2);
  margin-bottom: 16px;
}
.pane-title .num {
  width: 20px;
  height: 20px;
  border-radius: 6px;
  display: grid;
  place-items: center;
  background: var(--surface-strong);
  color: var(--text-0);
  font-size: 0.7rem;
}

.pane-title-action {
  text-transform: none;
  letter-spacing: normal;
  font-weight: 500;
}

.pane-title-actions {
  margin-left: auto;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}
.pane-title-actions .btn-chip {
  text-transform: none;
  letter-spacing: normal;
  font-weight: 500;
}

.pane-title.lang-title {
  justify-content: space-between;
  flex-wrap: wrap;
  row-gap: 10px;
}
.pane-title .title-main {
  display: flex;
  align-items: center;
  gap: 10px;
}
.lang-picker {
  display: flex;
  align-items: center;
  gap: 8px;
  text-transform: none;
  letter-spacing: normal;
  font-weight: 500;
  font-size: 0.78rem;
  color: var(--text-1);
}
.lang-picker label {
  margin-bottom: 0;
  white-space: nowrap;
}
.lang-picker select {
  width: auto;
  padding: 6px 28px 6px 12px;
  font-size: 0.78rem;
  border-radius: 999px;
}

.translate-status {
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--accent-gold, #ab8347);
}

.field {
  margin-bottom: 18px;
}
.field label {
  display: block;
  font-size: clamp(0.78rem, 0.75rem + 0.1vw, 0.82rem);
  color: var(--text-1);
  margin-bottom: 8px;
  font-weight: 500;
}

.field-label-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 8px;
  flex-wrap: wrap;
}
.field-label-row label {
  margin-bottom: 0;
}

.btn-chip {
  appearance: none;
  flex: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 13px;
  border-radius: 999px;
  font-family: inherit;
  font-size: clamp(0.72rem, 0.69rem + 0.1vw, 0.78rem);
  font-weight: 500;
  color: var(--text-1);
  background: var(--surface);
  border: 1px solid var(--border-strong);
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.2s var(--ease);
}
.btn-chip:hover {
  color: var(--text-0);
  background: var(--surface-strong);
  border-color: var(--accent-gold);
}
.btn-chip svg {
  flex: none;
}

textarea,
select,
input[type="text"] {
  width: 100%;
  font-family: inherit;
  font-size: clamp(0.88rem, 0.84rem + 0.15vw, 0.95rem);
  color: var(--text-0);
  background: rgba(255, 255, 255, 0.035);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: clamp(11px, 1.4vw, 14px) clamp(12px, 2vw, 16px);
  resize: vertical;
  transition:
    border-color 0.2s var(--ease),
    background 0.2s var(--ease),
    box-shadow 0.2s var(--ease);
}
textarea {
  min-height: 128px;
  line-height: 1.6;
}

textarea:focus,
select:focus,
input[type="text"]:focus {
  outline: none;
  border-color: var(--accent-gold);
  background: rgba(171, 131, 71, 0.05);
  box-shadow: 0 0 0 4px rgba(171, 131, 71, 0.14);
}

select {
  -webkit-appearance: none;
  appearance: none;
  cursor: pointer;
  background-image:
    linear-gradient(45deg, transparent 50%, var(--text-2) 50%),
    linear-gradient(135deg, var(--text-2) 50%, transparent 50%);
  background-position:
    calc(100% - 20px) center,
    calc(100% - 15px) center;
  background-size:
    5px 5px,
    5px 5px;
  background-repeat: no-repeat;
}
select option {
  background: #12141c;
  color: var(--text-0);
}

.inline-fields {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
@media (max-width: 340px) {
  .inline-fields {
    grid-template-columns: 1fr;
  }
}

/* 开关组 */

.switch-grid {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 6px;
}

.switch-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  transition: background 0.2s var(--ease);
}
.switch-row:hover {
  background: var(--surface-strong);
}

.switch-row .label-block {
  min-width: 0;
  flex: 1 1 auto;
}

.switch-row .label-text {
  display: block;
  font-size: clamp(0.82rem, 0.78rem + 0.15vw, 0.88rem);
  color: var(--text-0);
  overflow-wrap: break-word;
}
.switch-row .desc {
  display: block;
  font-size: clamp(0.68rem, 0.65rem + 0.1vw, 0.74rem);
  color: var(--text-2);
  margin-top: 2px;
  overflow-wrap: break-word;
  line-height: 1.5;
}

.toggle {
  display: inline-block;
  position: relative;
  width: 42px;
  height: 24px;
  flex: none;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid var(--border-strong);
  cursor: pointer;
  transition:
    background 0.25s var(--ease),
    border-color 0.25s var(--ease);
  vertical-align: middle;
}
.toggle::after {
  content: "";
  position: absolute;
  top: 2px;
  left: 2px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: #dcdde6;
  transition:
    transform 0.25s var(--ease),
    background 0.25s var(--ease);
}
.toggle.on {
  background: linear-gradient(135deg, var(--accent-a), var(--accent-b));
  border-color: transparent;
}
.toggle.on::after {
  transform: translateX(18px);
  background: #fff;
}
.toggle.disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.toggle-wrap {
  position: relative;
  flex: 0 0 42px;
  width: 42px;
  height: 24px;
  display: inline-block;
}
.toggle-wrap input {
  position: absolute;
  inset: 0;
  opacity: 0;
  width: 42px;
  height: 24px;
  margin: 0;
  cursor: pointer;
  z-index: 2;
}
.toggle-wrap input:checked + .toggle {
  background: linear-gradient(135deg, var(--accent-a), var(--accent-b));
  border-color: transparent;
}
.toggle-wrap input:checked + .toggle::after {
  transform: translateX(18px);
  background: #fff;
}
.toggle-wrap input:disabled + .toggle {
  opacity: 0.35;
  pointer-events: none;
}
.toggle-wrap input:disabled {
  cursor: not-allowed;
}
.switch-row {
  cursor: pointer;
  width: 100%;
}

.more-toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.82rem;
  color: var(--accent-gold);
  cursor: pointer;
  margin: 8px 2px 0;
  -webkit-user-select: none;
  user-select: none;
}
.more-toggle .chev {
  transition: transform 0.25s var(--ease);
}
.more-toggle.open .chev {
  transform: rotate(180deg);
}

.more-cb {
  display: none;
  flex-direction: column;
  gap: 4px;
  margin-top: 4px;
}
.more-cb.show {
  display: flex;
}

.divider {
  height: 1px;
  background: var(--border);
  margin: 18px 0;
}

.action-row {
  display: flex;
  justify-content: flex-end;
  margin-top: 22px;
}

/* 结果区 */

.result-box {
  position: relative;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: rgba(0, 0, 0, 0.28);
  padding: 18px;
}
.result-box pre {
  margin: 0;
  white-space: pre-wrap;
  word-break: break-word;
  font-family: "SF Mono", "JetBrains Mono", Consolas, monospace;
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--text-0);
  max-height: 260px;
  overflow-y: auto;
}
.result-label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}
.result-label span {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-2);
}

/* ---------- 使用说明 ---------- */

.guide-list {
  padding: clamp(6px, 1.5vw, 10px) clamp(6px, 2vw, 14px);
}

.guide-item {
  display: flex;
  gap: clamp(14px, 3vw, 22px);
  padding: clamp(18px, 2.8vw, 24px) clamp(12px, 2vw, 18px);
  border-bottom: 1px solid var(--border);
}
.guide-item:last-child {
  border-bottom: none;
}

.guide-index {
  flex: none;
  font-size: clamp(0.9rem, 0.85rem + 0.2vw, 1rem);
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  color: var(--accent-gold);
  opacity: 0.85;
  padding-top: 2px;
  min-width: 2.2ch;
}

.guide-body {
  min-width: 0;
  flex: 1 1 auto;
}
.guide-body h3 {
  font-size: clamp(0.94rem, 0.9rem + 0.15vw, 1.02rem);
  margin: 0 0 8px;
  font-weight: 700;
  color: var(--text-0);
}
.guide-body p {
  font-size: clamp(0.82rem, 0.79rem + 0.1vw, 0.88rem);
  color: var(--text-1);
  line-height: 1.8;
  margin: 0;
  overflow-wrap: break-word;
}
.guide-body p a {
  color: var(--accent-gold);
  border-bottom: 1px dashed rgba(171, 131, 71, 0.4);
}

@media (max-width: 560px) {
  .guide-item {
    gap: 12px;
    padding: 16px 6px;
  }
  .guide-index {
    min-width: 1.8ch;
    font-size: 0.85rem;
  }
}

.notice-panel {
  padding: clamp(20px, 3vw, 26px) clamp(18px, 3vw, 28px);
  margin-top: 20px;
}
.notice-panel h3 {
  margin: 0 0 12px;
  font-size: clamp(0.92rem, 0.88rem + 0.15vw, 1rem);
}
.notice-panel ul {
  margin: 0;
  padding-left: 20px;
  color: var(--text-1);
  font-size: clamp(0.8rem, 0.77rem + 0.1vw, 0.86rem);
  line-height: 2;
}
.notice-panel li::marker {
  color: var(--accent-gold);
}

/* ---------- Footer ---------- */

.site-footer {
  position: relative;
  z-index: 1;
  border-top: 1px solid var(--border);
  padding: 30px var(--edge) 40px;
  text-align: center;
  color: var(--text-2);
  font-size: clamp(0.76rem, 0.73rem + 0.1vw, 0.82rem);
}
.site-footer a {
  color: var(--text-1);
  transition: color 0.2s;
}
.site-footer a:hover {
  color: var(--accent-gold);
}
.site-footer .foot-links {
  display: flex;
  gap: 18px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 10px;
}

/* ---------- Toast ---------- */

.toast-host {
  position: fixed;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 999;
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-items: center;
  width: min(92vw, 420px);
  pointer-events: none;
}
.toast {
  padding: 12px 22px;
  border-radius: 999px;
  background: rgba(20, 21, 30, 0.92);
  border: 1px solid var(--border-strong);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  color: var(--text-0);
  font-size: clamp(0.8rem, 0.77rem + 0.1vw, 0.86rem);
  box-shadow: var(--shadow-lg);
  animation: toast-in 0.3s var(--ease);
  max-width: 100%;
  text-align: center;
  overflow-wrap: break-word;
}
@keyframes toast-in {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* =========================================================
   密码锁屏
   ========================================================= */

#lock-screen {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  background:
    radial-gradient(
      60% 55% at 25% 15%,
      rgba(44, 62, 92, 0.35),
      transparent 60%
    ),
    radial-gradient(
      55% 50% at 85% 85%,
      rgba(171, 131, 71, 0.16),
      transparent 60%
    ),
    #05060a;
  padding: 24px;
  transition:
    opacity 0.5s var(--ease),
    visibility 0.5s var(--ease);
}
#lock-screen.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

#lock-screen::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 44px 44px;
  -webkit-mask-image: radial-gradient(60% 55% at 50% 40%, black, transparent 85%);
  mask-image: radial-gradient(60% 55% at 50% 40%, black, transparent 85%);
}

.lock-card {
  position: relative;
  width: 100%;
  max-width: min(400px, 92vw);
  padding: clamp(30px, 5vw, 42px) clamp(22px, 5vw, 36px) clamp(26px, 4vw, 36px);
  border-radius: clamp(18px, 3vw, 26px);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  -webkit-backdrop-filter: blur(26px) saturate(160%);
  backdrop-filter: blur(26px) saturate(160%);
  box-shadow: 0 30px 90px -20px rgba(0, 0, 0, 0.75);
  text-align: center;
  animation: lock-in 0.55s var(--ease);
}
@keyframes lock-in {
  from {
    opacity: 0;
    transform: translateY(16px) scale(0.97);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.lock-icon {
  width: clamp(48px, 8vw, 58px);
  height: clamp(48px, 8vw, 58px);
  margin: 0 auto 20px;
  border-radius: 16px;
  display: grid;
  place-items: center;
  background: linear-gradient(150deg, var(--accent-a), #1a2433);
  border: 1px solid rgba(171, 131, 71, 0.4);
  box-shadow: 0 14px 30px -10px rgba(0, 0, 0, 0.6);
}
.lock-icon svg {
  width: 24px;
  height: 24px;
}

.lock-card h2 {
  margin: 0 0 6px;
  font-size: clamp(1.15rem, 1.05rem + 0.5vw, 1.4rem);
  font-weight: 800;
  letter-spacing: -0.01em;
}
.lock-card .lock-hint {
  margin: 0 0 clamp(20px, 3.5vw, 26px);
  font-size: clamp(0.8rem, 0.77rem + 0.15vw, 0.86rem);
  color: var(--text-1);
}
.lock-card .lock-hint b {
  color: var(--accent-gold);
  font-weight: 700;
}

.lock-input-wrap {
  position: relative;
  margin-bottom: 8px;
}
.lock-input-wrap input {
  width: 100%;
  text-align: center;
  letter-spacing: 0.1em;
  font-size: clamp(0.92rem, 0.88rem + 0.15vw, 1rem);
  padding: clamp(13px, 2.4vw, 15px) clamp(38px, 8vw, 44px);
  border-radius: 14px;
  border: 1px solid var(--border-strong);
  background: rgba(0, 0, 0, 0.3);
  color: var(--text-0);
  font-family: inherit;
}
.lock-input-wrap input:focus {
  outline: none;
  border-color: var(--accent-gold);
  box-shadow: 0 0 0 4px rgba(171, 131, 71, 0.2);
}
.lock-toggle-eye {
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  cursor: pointer;
  color: var(--text-2);
  background: none;
  border: none;
  padding: 4px;
  display: grid;
  place-items: center;
}
.lock-toggle-eye:hover {
  color: var(--text-0);
}

.lock-error {
  min-height: 20px;
  font-size: 0.8rem;
  color: var(--danger);
  margin: 10px 0 4px;
  opacity: 0;
  transition: opacity 0.2s var(--ease);
}
.lock-error.show {
  opacity: 1;
}

.lock-shake {
  animation: shake 0.45s var(--ease);
}
@keyframes shake {
  10%,
  90% {
    transform: translateX(-1px);
  }
  20%,
  80% {
    transform: translateX(3px);
  }
  30%,
  50%,
  70% {
    transform: translateX(-7px);
  }
  40%,
  60% {
    transform: translateX(7px);
  }
}

.lock-btn {
  width: 100%;
  margin-top: 14px;
  padding: 14px;
  border-radius: 14px;
  font-size: 0.95rem;
}

.lock-foot {
  margin-top: 22px;
  font-size: 0.72rem;
  color: var(--text-2);
  letter-spacing: 0.04em;
}

/* ---------- 响应式断点 ----------
   基础字号已通过 html{font-size:clamp(...)} 做到连续缩放；
   下面的断点主要处理"布局结构"层面的调整（列数、间距、显隐），
   两者配合，保证从大屏到小窗口/手机，视觉密度与比例始终协调，
   不会出现文字重叠、按钮溢出或挤成一团的情况。 */

@media (max-width: 900px) {
  .stat-strip {
    gap: 22px 30px;
  }
}

@media (max-width: 768px) {
  .topbar {
    padding: 12px var(--edge);
  }
  .brand .name small {
    display: none;
  }
  .pane-title {
    margin-bottom: 14px;
  }
  .switch-row {
    padding: 10px 10px;
  }
  .action-row {
    margin-top: 18px;
  }
}

@media (max-width: 640px) {
  .topbar nav a {
    padding: 7px 12px;
  }
  .gh-link .gh-text {
    display: none;
  }
  .gh-link {
    padding: 9px;
  }
  .stat-strip .stat {
    min-width: 64px;
  }
}

@media (max-width: 520px) {
  .topbar {
    gap: 8px;
  }
  .brand {
    gap: 8px;
  }
  .brand .mark {
    width: 30px;
    height: 30px;
    font-size: 13px;
  }
  .eyebrow {
    padding: 5px 12px;
    margin-bottom: 16px;
  }
  .cta-row {
    margin-bottom: 32px;
  }
  .action-row {
    flex-direction: column;
    align-items: stretch;
  }
  .action-row .btn {
    width: 100%;
  }
  .switch-row {
    flex-wrap: nowrap;
  }
  .lock-foot {
    font-size: 0.66rem;
  }
}

@media (max-width: 400px) {
  .topbar nav {
    gap: 3px;
  }
  .topbar nav a {
    padding: 6px 10px;
    font-size: 0.72rem;
  }
  .brand .name {
    font-size: 0.86rem;
  }
  .result-box pre {
    font-size: 0.8rem;
  }
  .btn-small {
    padding: 8px 14px;
  }
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition:
    opacity 0.7s var(--ease),
    transform 0.7s var(--ease);
}
.reveal.in {
  opacity: 1;
  transform: translateY(0);
}

/* 尊重用户的"减少动画"系统偏好 */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* final layout fixes */
html,
body {
  width: 100%;
  overflow-x: hidden;
}
.shell {
  width: 100%;
  max-width: 1180px;
  margin-left: auto !important;
  margin-right: auto !important;
  box-sizing: border-box;
}
.workbench {
  width: 100%;
  box-sizing: border-box;
}
@media (min-width: 1400px) {
  .shell {
    max-width: 1280px;
  }
}
.field-actions {
  display: flex;
  flex-direction: row;
}

/* ===== 工作台修复补丁 ===== */
.field-label-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.field-label-row label,
.field-label-row .field-title {
  margin: 0;
}
.clear-paste-btn,
.start-mixin.to-copy {
  white-space: nowrap;
}
.start-mixin.to-copy {
  background: rgba(56, 189, 248, 0.16);
  border-color: rgba(56, 189, 248, 0.55);
  color: #d9f1ff;
}
.start-mixin.to-copy:hover {
  background: rgba(56, 189, 248, 0.28);
  border-color: rgba(56, 189, 248, 0.8);
  color: #fff;
}
.toast {
  background: #f8fafc !important;
  color: #334155 !important;
  border: 1px solid #cbd5e1 !important;
}
#textin {
  position: relative;
}
.keyword-risk-highlight {
  color: #ef4444;
  background: rgba(239, 68, 68, 0.12);
  border-radius: 3px;
}
.pane,
.workbench {
  border-left: 0 !important;
}
.lang-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}
.lang-picker {
  display: flex;
  align-items: center;
  gap: 8px;
}
@media (max-width: 700px) {
  .lang-title {
    align-items: flex-start;
    flex-direction: column;
  }
}


/* =========================================================
   Nivo licensed access screen
   ========================================================= */
.lock-card { max-width: 430px; }
.lock-desc {
  margin: 0 0 18px;
  color: var(--text-1);
  font-size: 0.84rem;
  line-height: 1.65;
}
.machine-panel {
  margin: 16px 0 14px;
  padding: 14px;
  border: 1px solid var(--border-strong);
  border-radius: 14px;
  background: rgba(0,0,0,.22);
  text-align: left;
}
.machine-panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.machine-panel-title {
  font-size: .72rem;
  color: var(--text-2);
  letter-spacing: .08em;
  text-transform: uppercase;
  margin-bottom: 5px;
}
.machine-code-only {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-weight: 800;
  color: var(--accent-gold);
  font-size: .98rem;
  letter-spacing: .08em;
  white-space: nowrap;
}
.lock-license-input {
  width: 100%;
  min-height: 112px;
  resize: vertical;
  padding: 13px 14px;
  border-radius: 14px;
  border: 1px solid var(--border-strong);
  background: rgba(0,0,0,.3);
  color: var(--text-0);
  font: 500 .74rem/1.5 ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  outline: none;
}
.lock-license-input:focus {
  border-color: var(--accent-gold);
  box-shadow: 0 0 0 4px rgba(171,131,71,.2);
}
.lock-mini-btn {
  appearance: none;
  border: 1px solid var(--border-strong);
  color: var(--text-1);
  background: rgba(255,255,255,.045);
  border-radius: 999px;
  padding: 7px 11px;
  font: 600 .72rem/1 inherit;
  cursor: pointer;
  flex: none;
}
.lock-mini-btn:hover { color: var(--text-0); border-color: var(--accent-gold); }
.lock-status {
  min-height: 22px;
  margin-top: 10px;
  font-size: .78rem;
  line-height: 1.55;
  color: var(--text-2);
}
.lock-status.error { color: var(--danger); }
.lock-status.ok { color: #89b894; }
.lock-meta {
  margin-top: 10px;
  color: var(--text-2);
  font-size: .69rem;
  line-height: 1.55;
  letter-spacing: .03em;
}
.nivo-brand { letter-spacing: .03em; }
#app-root:empty { display: none; }