@import url("https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500;700&display=swap");

@view-transition {
  navigation: auto;
}

:root {
  color-scheme: dark;

  --bg: #04060a;
  --panel: #0a0f15;
  --line: #16212b;
  --line-soft: #0f171f;
  --text: #c9d6dd;
  --text-dim: #62747f;
  --text-faint: #3b4a54;

  --accent-rgb: 0, 229, 160;
  --accent: rgb(var(--accent-rgb));
  --accent-dim: #0d6b52;
  --accent-soft: rgba(var(--accent-rgb), 0.09);
  --accent-softer: rgba(var(--accent-rgb), 0.035);
  --accent-line: rgba(var(--accent-rgb), 0.16);
  --glow: rgba(var(--accent-rgb), 0.5);

  --err: #ff5c7a;
  --warn: #ffb454;
  --info: #6cc7ff;
  --muted: #8aa0ad;

  --grid-line: rgba(255, 255, 255, 0.018);
  --scanline: rgba(255, 255, 255, 0.022);
  --scan-shade: rgba(0, 0, 0, 0.5);
  --shade: rgba(0, 0, 0, 0.35);
  --hl-soft: rgba(255, 255, 255, 0.012);

  --bg-top: #05080c;
  --bg-mid: #04060a;
  --bg-bot: #030508;

  --art-1: #b6ffe4;
  --art-2: rgb(var(--accent-rgb));
  --art-3: #12c78c;
  --art-glow: rgba(var(--accent-rgb), 0.3);

  --font: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, "Courier New", monospace;
}

html[data-theme="light"] {
  color-scheme: light;

  --bg: #f2f6f4;
  --panel: #ffffff;
  --line: #cddad4;
  --line-soft: #e2ece7;
  --text: #10201a;
  --text-dim: #4f655c;
  --text-faint: #8ba39a;

  --accent-rgb: 0, 143, 104;
  --accent: rgb(var(--accent-rgb));
  --accent-dim: #9ad9c3;
  --accent-soft: rgba(var(--accent-rgb), 0.08);
  --accent-softer: rgba(var(--accent-rgb), 0.04);
  --accent-line: rgba(var(--accent-rgb), 0.18);
  --glow: rgba(var(--accent-rgb), 0.18);

  --err: #c82345;
  --warn: #9c6200;
  --info: #0b6ea8;
  --muted: #5f7a86;

  --grid-line: rgba(16, 32, 26, 0.05);
  --scanline: rgba(16, 32, 26, 0.025);
  --scan-shade: rgba(255, 255, 255, 0.4);
  --shade: rgba(255, 255, 255, 0.65);
  --hl-soft: rgba(16, 32, 26, 0.028);

  --bg-top: #f8fbf9;
  --bg-mid: #f2f6f4;
  --bg-bot: #e8f0ec;

  --art-1: #0d6b52;
  --art-2: rgb(var(--accent-rgb));
  --art-3: #084a38;
  --art-glow: rgba(var(--accent-rgb), 0.2);
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html,
body {
  margin: 0;
  padding: 0;
  min-height: 100%;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 14px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  transition: background-color 0.25s ease, color 0.25s ease;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(900px 520px at 50% -8%, var(--accent-soft), transparent 72%),
    radial-gradient(760px 480px at 88% 112%, var(--accent-softer), transparent 70%),
    linear-gradient(180deg, var(--bg-top) 0%, var(--bg-mid) 60%, var(--bg-bot) 100%);
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 44px 44px;
  -webkit-mask-image: radial-gradient(circle at 50% 30%, rgba(0, 0, 0, 0.9), transparent 78%);
  mask-image: radial-gradient(circle at 50% 30%, rgba(0, 0, 0, 0.9), transparent 78%);
}

.crt {
  position: fixed;
  inset: 0;
  z-index: 9000;
  pointer-events: none;
  background: repeating-linear-gradient(
    to bottom,
    var(--scanline) 0 1px,
    rgba(0, 0, 0, 0) 1px 3px
  );
  opacity: 0.55;
}

.crt::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 50%, transparent 55%, var(--scan-shade) 100%);
}

/* ---------- 顶栏 / 标签导航 ---------- */

.titlebar {
  position: sticky;
  top: 0;
  z-index: 60;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 9px 16px;
  background: color-mix(in srgb, var(--bg) 86%, transparent);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
  font-size: 12px;
  letter-spacing: 0.06em;
  view-transition-name: titlebar;
}

.tb-left {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 10px var(--glow);
  animation: pulse 2.6s ease-in-out infinite;
}

.tb-title {
  color: var(--text);
  font-weight: 700;
  white-space: nowrap;
}

.tabs {
  display: flex;
  gap: 2px;
  margin-left: auto;
  overflow-x: auto;
  scrollbar-width: none;
}

.tabs::-webkit-scrollbar {
  display: none;
}

.tab {
  padding: 5px 12px;
  color: var(--text-dim);
  text-decoration: none;
  border: 1px solid transparent;
  border-radius: 2px;
  white-space: nowrap;
  transition: color 0.16s, background 0.16s, border-color 0.16s;
}

.tab:hover {
  color: var(--text);
  background: var(--accent-soft);
  border-color: var(--line);
}

.tab.is-active {
  color: var(--accent);
  background: var(--accent-soft);
  border-color: var(--accent-line);
}

.tb-right {
  flex-shrink: 0;
  color: var(--text-faint);
  font-size: 11px;
  letter-spacing: 0.1em;
}

.tb-theme {
  flex-shrink: 0;
  appearance: none;
  cursor: pointer;
  padding: 4px 9px;
  font: inherit;
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--text-dim);
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 2px;
  transition: color 0.16s, border-color 0.16s, background 0.16s;
}

.tb-theme:hover,
.tb-theme:focus-visible {
  color: var(--accent);
  border-color: var(--accent-line);
  background: var(--accent-soft);
  outline: none;
}

.tb-theme b {
  color: var(--accent);
  font-weight: 700;
}

/* ---------- 屏幕 / 基础元素 ---------- */

.screen {
  max-width: 940px;
  margin: 0 auto;
  padding: 34px 22px 90px;
  animation: pageIn 0.42s cubic-bezier(0.22, 0.8, 0.3, 1) both;
}

.prompt {
  color: var(--accent);
  -webkit-user-select: none;
  user-select: none;
}

.caret {
  display: inline-block;
  width: 0.62ch;
  height: 1em;
  vertical-align: -0.14em;
  background: var(--accent);
  box-shadow: 0 0 8px var(--glow);
  animation: blink 1.05s steps(1) infinite;
}

.reveal {
  transition: opacity 0.5s ease, transform 0.5s cubic-bezier(0.22, 0.8, 0.3, 1);
}

html.js .reveal {
  opacity: 0;
  transform: translateY(7px);
}

html.js .reveal.show {
  opacity: 1;
  transform: none;
}

/* ---------- 启动区 ---------- */

.boot-line {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: clamp(13px, 3.2vw, 15.5px);
  min-height: 1.65em;
}

.boot-out {
  display: flex;
  flex-direction: column;
  gap: 2px;
  margin-top: 10px;
  font-size: 12.5px;
  color: var(--text-faint);
}

.boot-out .boot-line {
  display: block;
  min-height: 0;
  font-size: inherit;
  color: var(--text-dim);
}

.boot-out .boot-line.ok {
  color: var(--accent);
}

/* ---------- 品牌字符艺术 ---------- */

.brand {
  margin-top: 26px;
}

.brand-lockup {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
  max-width: 100%;
}

.brand-art {
  display: inline-block;
  margin: 0;
  white-space: pre;
  font-size: clamp(5.5px, 1.55vw, 16px);
  line-height: 1;
  letter-spacing: 0;
  background: linear-gradient(180deg, var(--art-1) 0%, var(--art-2) 46%, var(--art-3) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  filter: drop-shadow(0 0 6px var(--art-glow)) drop-shadow(0 0 16px var(--art-glow));
  -webkit-user-select: none;
  user-select: none;
}

.brand-art.is-pending {
  min-height: 12em;
}

.brand-ver {
  align-self: flex-end;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--text-faint);
  white-space: nowrap;
}

.brand-sub {
  margin: 18px 0 0;
  font-size: 13px;
  color: var(--text-dim);
  max-width: 52ch;
}

.brand-sub .hl {
  color: var(--accent);
}

/* ---------- 菜单项 ---------- */

.menu {
  display: grid;
  gap: 10px;
  max-width: 560px;
  margin-top: 30px;
}

.menu-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 13px 16px;
  text-decoration: none;
  color: var(--text);
  border: 1px solid var(--line);
  border-left: 2px solid var(--accent-dim);
  background: linear-gradient(90deg, var(--accent-soft), var(--accent-softer) 55%, transparent);
  transition: transform 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}

.menu-item:hover,
.menu-item:focus-visible {
  transform: translateX(5px);
  border-color: var(--accent-dim);
  border-left-color: var(--accent);
  background: linear-gradient(90deg, var(--accent-soft), var(--accent-softer) 60%, transparent);
  box-shadow: 0 0 0 1px var(--accent-line), 0 14px 30px -18px var(--glow);
  outline: none;
}

.mi-key {
  font-size: clamp(15px, 3.8vw, 19px);
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--accent);
  white-space: nowrap;
}

.mi-key::before {
  content: "[ ";
  color: var(--text-faint);
}

.mi-key::after {
  content: " ]";
  color: var(--text-faint);
}

.mi-desc {
  font-size: 12px;
  color: var(--text-dim);
  letter-spacing: 0.02em;
}

/* ---------- 控制台 ---------- */

.console {
  margin-top: 38px;
  padding-top: 16px;
  border-top: 1px solid var(--line-soft);
}

.console-log {
  display: flex;
  flex-direction: column;
  gap: 3px;
  max-height: 36vh;
  margin-bottom: 10px;
  overflow-y: auto;
  font-size: 12.5px;
  color: var(--text-dim);
  scrollbar-width: thin;
}

.console-input {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 8px 0;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s;
}

.console-input:focus-within {
  border-bottom-color: var(--accent-dim);
}

.console-input input {
  flex: 1;
  min-width: 0;
  padding: 0;
  background: transparent;
  border: 0;
  outline: 0;
  color: var(--text);
  font: inherit;
  font-size: 13.5px;
  caret-color: var(--accent);
}

.console-input input::placeholder {
  color: var(--text-faint);
}

.console-caret {
  flex-shrink: 0;
}

.log-line {
  white-space: pre-wrap;
  word-break: break-word;
}

.log-line.dim {
  color: var(--text-faint);
}

.log-line.ok {
  color: var(--accent);
}

.log-line.warn {
  color: var(--warn);
}

.log-line.err {
  color: var(--err);
}

.log-line b {
  color: var(--text);
  font-weight: 700;
}

/* ---------- 内容面板 ---------- */

.pane {
  padding: 20px 20px 24px;
  border: 1px solid var(--line);
  border-radius: 3px;
  background: color-mix(in srgb, var(--panel) 92%, transparent);
}

.pane-head {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line-soft);
  font-size: 13.5px;
}

.pane-head .cmd {
  color: var(--text);
  font-weight: 500;
}

.pane-note {
  margin: 0 0 18px;
  font-size: 12.5px;
  color: var(--text-dim);
}

.pane-status {
  margin-left: auto;
  font-size: 11px;
  color: var(--text-faint);
  letter-spacing: 0.06em;
}

/* ---------- 树形软件库 ---------- */

.tree {
  display: flex;
  flex-direction: column;
  gap: 1px;
  margin-bottom: 20px;
  font-size: 12.5px;
  overflow-x: auto;
}

.tree-line {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 3px 6px;
  white-space: pre;
  min-height: 1.75em;
}

.tree-branch {
  color: var(--text-faint);
  flex-shrink: 0;
}

.tree-node {
  appearance: none;
  cursor: pointer;
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
  margin: 0;
  padding: 0;
  font: inherit;
  color: inherit;
  background: transparent;
  border: 0;
  text-align: left;
  border-radius: 2px;
  transition: color 0.16s, background 0.16s;
}

.tree-node:hover,
.tree-node:focus-visible {
  background: var(--accent-soft);
  outline: none;
}

.tree-node.is-open .tree-name {
  color: var(--accent);
}

.tree-node.is-open .tree-name::after {
  content: " *";
  color: var(--accent);
}

.tree-name {
  color: var(--text);
  font-weight: 500;
}

.tree-name.is-dir {
  color: var(--text);
  font-weight: 700;
}

.tree-meta {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  color: var(--text-faint);
  font-size: 11.5px;
  letter-spacing: 0.02em;
}

.tree-meta .ch-public {
  color: var(--accent);
}

.tree-meta .ch-locked {
  color: var(--warn);
}

/* ---------- 下载详情 ---------- */

.dl-detail {
  border-top: 1px solid var(--line-soft);
  padding-top: 18px;
}

.meta-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 10px 18px;
  margin-bottom: 18px;
  font-size: 12.5px;
}

.meta-cell {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.meta-key {
  font-size: 10.5px;
  letter-spacing: 0.1em;
  color: var(--text-faint);
  text-transform: uppercase;
}

.meta-val {
  color: var(--text);
}

.pkg-list {
  display: grid;
  gap: 8px;
  margin-bottom: 18px;
}

.pkg {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border: 1px solid var(--line-soft);
  background: var(--hl-soft);
  font-size: 12px;
  color: var(--text-dim);
}

.pkg .arch {
  color: var(--accent);
  font-weight: 700;
}

.pkg .sep {
  color: var(--text-faint);
}

.pkg .sum {
  margin-left: auto;
  color: var(--text-faint);
  font-size: 11px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 20px;
  color: var(--bg);
  font: inherit;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-decoration: none;
  background: var(--accent);
  border: 1px solid var(--accent);
  border-radius: 2px;
  cursor: pointer;
  transition: transform 0.16s, box-shadow 0.16s, background 0.16s;
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 12px 26px -14px var(--glow);
}

.btn.ghost {
  color: var(--accent);
  background: transparent;
  border-color: var(--accent-dim);
}

.btn.ghost:hover {
  background: var(--accent-soft);
  box-shadow: 0 12px 26px -18px var(--glow);
}

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- 变更记录 ---------- */

.changelog {
  margin: 0 0 18px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 7px;
  font-size: 12.5px;
}

.changelog li {
  display: flex;
  align-items: baseline;
  gap: 9px;
}

.tag {
  flex-shrink: 0;
  padding: 1px 7px;
  font-size: 10.5px;
  letter-spacing: 0.08em;
  border: 1px solid currentColor;
  border-radius: 2px;
  opacity: 0.9;
}

.tag.feature {
  color: var(--accent);
}

.tag.fix {
  color: var(--warn);
}

.tag.improve {
  color: var(--info);
}

.tag.other {
  color: var(--muted);
}

.tag-label {
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--text-faint);
  margin: 0 0 10px;
}

/* ---------- 公告 ---------- */

.ann-list {
  display: grid;
  gap: 14px;
}

.ann {
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-left: 2px solid var(--accent-dim);
  border-radius: 2px;
  background: linear-gradient(90deg, var(--accent-softer), transparent 60%);
}

.ann-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 10px;
}

.ann-title {
  margin: 0;
  font-size: 14.5px;
  font-weight: 700;
  color: var(--text);
}

.ann-date {
  font-size: 11.5px;
  color: var(--text-faint);
  letter-spacing: 0.06em;
}

.ann-meta {
  display: flex;
  gap: 6px;
  margin-left: auto;
}

.badge {
  padding: 1px 7px;
  font-size: 10.5px;
  letter-spacing: 0.08em;
  color: var(--text-dim);
  border: 1px solid var(--line);
  border-radius: 2px;
}

.badge.public {
  color: var(--accent);
  border-color: var(--accent-line);
}

.badge.internal {
  color: var(--warn);
  border-color: currentColor;
  opacity: 0.8;
}

/* ---------- 内测口令 ---------- */

.gate {
  max-width: 460px;
  margin: 40px auto 0;
  text-align: left;
}

.gate-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.field {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 2px;
  background: var(--shade);
  transition: border-color 0.18s;
}

.field:focus-within {
  border-color: var(--accent-dim);
}

.field input {
  flex: 1;
  min-width: 0;
  background: transparent;
  border: 0;
  outline: 0;
  color: var(--text);
  font: inherit;
  font-size: 13.5px;
  caret-color: var(--accent);
}

.gate-msg {
  min-height: 1.4em;
  margin: 0;
  font-size: 12px;
  color: var(--err);
}

/* ---------- 页脚 ---------- */

.foot {
  margin-top: 48px;
  padding-top: 16px;
  border-top: 1px solid var(--line-soft);
  font-size: 11px;
  color: var(--text-faint);
  letter-spacing: 0.06em;
  display: flex;
  flex-wrap: wrap;
  gap: 6px 16px;
}

/* ---------- 动画 ---------- */

@keyframes blink {
  0%,
  50% {
    opacity: 1;
  }
  50.01%,
  100% {
    opacity: 0;
  }
}

@keyframes pulse {
  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.45;
    transform: scale(0.85);
  }
}

@keyframes pageIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* ---------- 响应式 ---------- */

@media (max-width: 640px) {
  body {
    font-size: 13px;
  }

  .screen {
    padding: 24px 16px 72px;
  }

  .titlebar {
    padding: 8px 12px;
    gap: 8px;
  }

  .tb-title {
    display: none;
  }

  .tabs {
    min-width: 0;
    flex-shrink: 1;
  }

  .tb-right {
    display: none;
  }

  .tab {
    padding: 5px 9px;
  }

  .menu-item {
    gap: 10px;
    padding: 12px 13px;
  }

  .mi-key {
    letter-spacing: 0.06em;
  }

  .mi-key::before,
  .mi-key::after {
    content: "";
  }

  .pane {
    padding: 16px 14px 20px;
  }

  .meta-grid {
    grid-template-columns: 1fr 1fr;
  }

  .pkg .sum {
    margin-left: 0;
    width: 100%;
  }

  .btn {
    width: 100%;
  }

  .tree {
    font-size: 11.5px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  .reveal {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }

  html.js .reveal {
    opacity: 1;
    transform: none;
  }

  .caret {
    animation: none !important;
    opacity: 1 !important;
  }
}