:root {
  --g4-blue: #2f63c7;
  --g4-blue-deep: #103b93;
  --g4-ice: #ddf7ff;
  --g4-cyan: #55e7ff;
  --g4-pink: #ff78c8;
  --g4-purple: #7357ff;
  --g4-lime: #c6ff57;
  --g4-yellow: #fff2a8;
  --g4-white: #ffffff;
  --g4-ink: #201a46;
  --g4-muted: #66759a;
  --g4-line: #4d658f;
  --g4-soft: #b7c9e3;
  --g4-shadow: #8fa9d1;
  --g4-font-sans: "Microsoft YaHei", "PingFang SC", "Noto Sans SC", sans-serif;
  --g4-font-mono: "Courier New", Consolas, monospace;
  --g4-content: 1120px;
  --g4-window-shadow: 5px 5px 0 rgba(32, 26, 70, .30);
  --g4-control-shadow: 3px 3px 0 rgba(32, 26, 70, .34);
  --g4-bevel: inset 2px 2px 0 #fff, inset -2px -2px 0 #8fa9d1;
}

* { box-sizing: border-box; }

html { min-width: 320px; background: var(--g4-ice); }

body {
  min-width: 320px;
  min-height: 100vh;
  margin: 0;
  color: var(--g4-ink);
  background-color: var(--g4-ice);
  background-image:
    linear-gradient(90deg, rgba(85, 231, 255, .14) 50%, transparent 50%),
    linear-gradient(rgba(255, 255, 255, .55) 50%, transparent 50%),
    linear-gradient(90deg, transparent 75%, rgba(115, 87, 255, .11) 75%),
    linear-gradient(transparent 75%, rgba(255, 120, 200, .10) 75%);
  background-size: 28px 28px, 28px 28px, 56px 56px, 56px 56px;
  background-position: 0 0, 14px 14px, 0 0, 0 0;
  font-family: var(--g4-font-sans);
  font-size: 14px;
}

button, input, select, textarea { font: inherit; }
button { cursor: pointer; }
a { color: inherit; }
[hidden] { display: none !important; }

.g4-app { min-height: 100vh; }

.g4-header {
  display: grid;
  grid-template-columns: 82px minmax(0, 1fr);
  grid-template-rows: 56px 48px;
  width: 100%;
  background: #f9fdff;
  border: 2px solid var(--g4-blue-deep);
  border-bottom-color: var(--g4-line);
  box-shadow: inset 1px 1px 0 #fff, inset -1px -1px 0 var(--g4-shadow);
}

.g4-brand-mark {
  grid-column: 1;
  grid-row: 1 / 3;
  display: grid;
  place-items: center;
  background: var(--g4-white);
  border-right: 2px solid var(--g4-blue-deep);
  box-shadow: inset 1px 1px 0 #7ba2ff, inset -1px -1px 0 var(--g4-shadow), 3px 0 0 rgba(32, 26, 70, .16);
}

.g4-brand-mark img {
  display: block;
  width: 68px;
  height: 68px;
  object-fit: contain;
}

.g4-titlebar {
  grid-column: 2;
  grid-row: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-width: 0;
  padding: 6px 14px;
  color: #fff;
  background: var(--g4-blue);
  border-bottom: 3px solid var(--g4-blue-deep);
  box-shadow: inset 0 1px 0 #7ba2ff, inset 0 -1px 0 #173979;
}

.g4-brand-copy { display: flex; align-items: baseline; gap: 12px; min-width: 0; }
.g4-brand-copy strong { flex: none; font-size: 21px; line-height: 1; }
.g4-brand-copy small { overflow: hidden; font: 700 10px/1 var(--g4-font-mono); letter-spacing: .14em; white-space: nowrap; }

.g4-userbox {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: none;
  padding: 5px 7px;
  color: var(--g4-ink);
  background: #f8fcff;
  border: 2px solid var(--g4-blue-deep);
  box-shadow: var(--g4-bevel), var(--g4-control-shadow);
}

.g4-online { color: #23720b; font: 700 11px/1 var(--g4-font-mono); letter-spacing: .04em; }
.g4-user-name { font-weight: 700; }
.g4-role { color: var(--g4-muted); font-size: 12px; }

.g4-navrow {
  grid-column: 2;
  grid-row: 2;
  display: flex;
  align-items: stretch;
  justify-content: space-between;
  gap: 12px;
  min-width: 0;
  padding: 0 14px;
  background: #f8fcff;
}

.g4-nav { display: flex; min-width: 0; overflow-x: auto; }
.g4-nav-tools { display: flex; align-items: stretch; flex: none; gap: 16px; margin-left: auto; }

.g4-nav a, .g4-account-link {
  display: inline-flex;
  align-items: center;
  flex: none;
  padding: 0 15px;
  color: var(--g4-ink);
  text-decoration: none;
  border: 0;
  border-right: 1px solid transparent;
  border-left: 1px solid transparent;
  border-bottom: 3px solid transparent;
}

.g4-nav a:hover, .g4-account-link:hover { color: var(--g4-blue-deep); background: var(--g4-ice); }
.g4-nav a.active, .g4-account-link.active { color: var(--g4-blue-deep); background: #fff; border-color: var(--g4-soft); border-bottom-color: var(--g4-pink); }
.g4-account-link { border-left-color: var(--g4-soft); white-space: nowrap; }
.g4-nav-meta { display: flex; align-items: center; flex: none; color: var(--g4-muted); font: 12px/1 var(--g4-font-mono); white-space: nowrap; }

.g4-main {
  width: min(var(--g4-content), calc(100% - 32px));
  margin: 20px auto 40px;
}

.g4-window {
  background: #fff;
  border: 2px solid var(--g4-line);
  border-radius: 0;
  box-shadow: inset 1px 1px 0 #fff, inset -1px -1px 0 var(--g4-shadow), var(--g4-window-shadow);
}

.g4-window-title {
  min-height: 30px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 5px 9px;
  color: #fff;
  background: var(--g4-blue);
  border-bottom: 2px solid var(--g4-blue-deep);
  box-shadow: inset 1px 1px 0 #7ba2ff, inset -1px -1px 0 #173979;
  font-weight: 700;
}

.g4-window-meta { font: 700 10px/1 var(--g4-font-mono); letter-spacing: .06em; }
.g4-window-body { padding: 14px; }
.g4-stack { display: grid; gap: 16px; }
.g4-row { display: flex; align-items: center; flex-wrap: wrap; gap: 10px; }
.g4-spread { display: flex; align-items: center; justify-content: space-between; gap: 12px; }

.g4-button {
  min-height: 32px;
  padding: 0 14px;
  color: var(--g4-blue-deep);
  background: #f8fcff;
  border: 2px solid var(--g4-blue-deep);
  border-radius: 0;
  box-shadow: var(--g4-bevel), var(--g4-control-shadow);
  font-weight: 700;
}

.g4-button:hover { color: #fff; background: var(--g4-blue); }
.g4-button.active { color: #fff; background: var(--g4-blue); }
.g4-button:active { transform: translate(2px, 2px); box-shadow: var(--g4-bevel), 1px 1px 0 rgba(32, 26, 70, .34); }
.g4-button.primary { color: #fff; background: var(--g4-blue); }
.g4-button.pink { background: #fff0fa; border-color: #c82d84; color: #a51b6b; }
.g4-button.danger { background: #fff2f6; border-color: #b3174d; color: #9d133f; }
.g4-button.small { min-height: 27px; padding: 0 9px; font-size: 12px; }
.g4-button:disabled { color: var(--g4-muted); background: #eaf0f6; cursor: not-allowed; opacity: .72; }

:focus-visible { outline: 3px solid var(--g4-cyan); outline-offset: 2px; }

.g4-form-grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: 12px; }
.g4-field { display: grid; grid-column: span 6; gap: 5px; }
.g4-field.full { grid-column: 1 / -1; }
.g4-field.third { grid-column: span 4; }
.g4-field label, .g4-label { color: var(--g4-blue-deep); font-weight: 700; }
.g4-field small { color: var(--g4-muted); }

.g4-input,
.g4-select,
.g4-textarea {
  width: 100%;
  min-height: 36px;
  padding: 7px 9px;
  color: var(--g4-ink);
  background: #fff;
  border: 2px solid var(--g4-line);
  border-radius: 0;
  box-shadow: inset 2px 2px 0 #dce5f0, inset -1px -1px 0 #fff;
}

.g4-textarea { min-height: 78px; resize: vertical; }

.g4-alert {
  padding: 10px 12px;
  border: 2px solid var(--g4-line);
  background: #f8fcff;
  box-shadow: 3px 3px 0 rgba(32, 26, 70, .22);
}
.g4-alert.error { border-color: #b3174d; background: #fff0f6; color: #8b1038; }
.g4-alert.success { border-color: #2f790e; background: #f0ffd1; color: #1f6407; }

.g4-tabs { display: flex; align-items: flex-end; overflow-x: auto; border-bottom: 2px solid var(--g4-line); }
.g4-tabs button {
  min-height: 34px;
  padding: 0 13px;
  color: var(--g4-muted);
  background: #eaf5ff;
  border: 2px solid var(--g4-line);
  border-bottom: 0;
  border-radius: 0;
  box-shadow: inset 1px 1px 0 #fff, inset -1px 0 0 var(--g4-shadow);
}
.g4-tabs button + button { border-left: 0; }
.g4-tabs button.active { color: var(--g4-blue-deep); background: #fff; font-weight: 700; }

.g4-todo-top { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin: 12px 0; }
.g4-mono { color: var(--g4-purple); font: 12px/1.3 var(--g4-font-mono); letter-spacing: .05em; }
.g4-link { color: var(--g4-blue-deep); font-weight: 700; }

.g4-todo-list { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; }
.g4-todo-item {
  display: grid;
  min-width: 0;
  min-height: 72px;
  padding: 10px;
  align-content: center;
  gap: 6px;
  background: #f8fcff;
  border-left: 4px solid var(--g4-cyan);
  border-right: 2px solid var(--g4-line);
  border-bottom: 2px solid var(--g4-line);
  box-shadow: 2px 2px 0 rgba(32, 26, 70, .18);
}
.g4-todo-item.high { border-left-color: var(--g4-pink); }
.g4-todo-item.done { border-left-color: var(--g4-lime); }
.g4-todo-item strong { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.g4-todo-item span { color: var(--g4-muted); font-size: 12px; }

.g4-empty {
  grid-column: 1 / -1;
  padding: 24px 18px;
  color: var(--g4-muted);
  background: #f8fcff;
  border: 2px dashed var(--g4-soft);
  text-align: center;
}

.g4-launch { margin-top: 22px; }
.g4-launch-heading { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; margin-bottom: 9px; }
.g4-launch-heading strong { color: var(--g4-blue-deep); font-size: 20px; font-weight: 400; }
.g4-launch-heading span { color: var(--g4-purple); font: 11px/1 var(--g4-font-mono); }
.g4-entry-grid { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: 16px; }

.g4-entry {
  display: grid;
  grid-template-rows: 31px minmax(150px, auto);
  padding: 0;
  color: var(--g4-ink);
  text-align: left;
  background: #fff;
  border: 2px solid var(--g4-line);
  border-radius: 0;
  box-shadow: var(--g4-window-shadow);
}
.g4-entry:hover { transform: translate(-1px, -1px); box-shadow: 7px 7px 0 rgba(32, 26, 70, .30); }
.g4-entry:active { transform: translate(2px, 2px); box-shadow: 2px 2px 0 rgba(32, 26, 70, .30); }
.g4-entry.daily { grid-column: span 7; }
.g4-entry.brain { grid-column: span 5; }
.g4-entry.miaoji, .g4-entry.sop { grid-column: span 6; }
.g4-entry-top { display: flex; align-items: center; justify-content: space-between; padding: 4px 8px; color: #fff; background: var(--g4-blue); border-bottom: 2px solid var(--g4-blue-deep); font: 700 13px/1 var(--g4-font-mono); }
.g4-entry-body { display: grid; grid-template-columns: 92px minmax(0, 1fr); gap: 20px; align-items: center; padding: 18px 20px; }
.g4-entry.daily .g4-entry-body { background: #fff8c9; }
.g4-entry.brain .g4-entry-body { background: #dcf7ff; }
.g4-entry.miaoji .g4-entry-body { background: #ffe4f4; }
.g4-entry.sop .g4-entry-body { background: #eee9ff; }
.g4-module-icon { display: grid; width: 92px; height: 92px; place-items: center; background: #fff; border: 3px solid var(--g4-blue-deep); box-shadow: var(--g4-bevel), 5px 5px 0 rgba(32, 26, 70, .26); }
.g4-module-icon svg { width: 64px; height: 64px; shape-rendering: crispEdges; }
.g4-entry-copy { min-width: 0; }
.g4-entry-copy h2 { margin: 0; color: var(--g4-blue-deep); font-size: 24px; line-height: 1.2; }
.g4-entry-copy p { margin: 6px 0 18px; color: var(--g4-muted); }
.g4-entry-foot { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.g4-pixel-main { fill: var(--g4-blue-deep); }
.g4-pixel-hot { fill: var(--g4-pink); }
.g4-pixel-cool { fill: var(--g4-cyan); }

.g4-toolbar { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 10px; margin-bottom: 14px; }
.g4-filterbar { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; }
.g4-count { color: var(--g4-muted); font: 12px/1 var(--g4-font-mono); }

.g4-task-list { display: grid; gap: 10px; }
.g4-task {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  padding: 12px;
  background: #f8fcff;
  border: 2px solid var(--g4-line);
  border-left: 6px solid var(--g4-cyan);
  box-shadow: 3px 3px 0 rgba(32, 26, 70, .20);
}
.g4-task.priority-high { border-left-color: var(--g4-pink); }
.g4-task.priority-low { border-left-color: var(--g4-soft); }
.g4-task.status-done { border-left-color: var(--g4-lime); opacity: .82; }
.g4-task h3 { margin: 0 0 6px; color: var(--g4-blue-deep); font-size: 16px; }
.g4-task p { margin: 5px 0; color: var(--g4-muted); white-space: pre-wrap; }
.g4-task-meta { display: flex; flex-wrap: wrap; gap: 7px 12px; color: var(--g4-muted); font-size: 12px; }
.g4-task-actions { display: flex; align-items: center; flex-wrap: wrap; justify-content: flex-end; gap: 7px; }

.g4-badge { display: inline-flex; align-items: center; min-height: 24px; padding: 2px 7px; color: var(--g4-blue-deep); background: #effaff; border: 2px solid var(--g4-blue); font-size: 12px; font-weight: 700; }
.g4-badge.high { color: #9d175d; background: #fff0fa; border-color: var(--g4-pink); }
.g4-badge.done { color: #286f0d; background: #f0ffd1; border-color: #8bca24; }

.g4-member-table { width: 100%; border-collapse: collapse; }
.g4-table-scroll { overflow-x: auto; }
.g4-member-table th, .g4-member-table td { padding: 10px; border: 1px solid var(--g4-soft); text-align: left; vertical-align: middle; }
.g4-member-table th { color: #fff; background: var(--g4-blue); }
.g4-member-table tr:nth-child(even) td { background: #f1faff; }
.g4-member-table tr.inactive td { color: var(--g4-muted); background: #edf0f4; }

.g4-login-layer {
  position: fixed;
  z-index: 50;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 20px;
  background-color: var(--g4-ice);
  background-image:
    linear-gradient(90deg, rgba(85, 231, 255, .17) 50%, transparent 50%),
    linear-gradient(rgba(115, 87, 255, .10) 50%, transparent 50%);
  background-size: 28px 28px;
}

.g4-login-window { width: min(440px, 100%); }
.g4-login-brand { display: flex; align-items: center; gap: 14px; margin-bottom: 14px; }
.g4-login-brand img { width: 82px; height: 82px; object-fit: contain; background: #fff; border: 2px solid var(--g4-blue-deep); }
.g4-login-brand h1 { margin: 0 0 4px; color: var(--g4-blue-deep); font-size: 26px; }
.g4-login-brand p { margin: 0; color: var(--g4-muted); font: 11px/1.3 var(--g4-font-mono); }
.g4-check { display: inline-flex; align-items: center; gap: 6px; }
.g4-check input { width: 17px; height: 17px; accent-color: var(--g4-blue); }

.g4-dialog { width: min(520px, calc(100% - 24px)); padding: 0; border: 2px solid var(--g4-blue-deep); border-radius: 0; box-shadow: 8px 8px 0 rgba(32, 26, 70, .40); }
.g4-dialog::backdrop { background: rgba(32, 26, 70, .32); }

.g4-placeholder { min-height: 420px; display: grid; place-items: center; padding: 32px; text-align: center; }
.g4-placeholder h1 { margin: 0 0 8px; color: var(--g4-blue-deep); font-size: 28px; }
.g4-placeholder p { max-width: 560px; margin: 0 auto 20px; color: var(--g4-muted); }

.g4-sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }

@media (max-width: 900px) {
  .g4-entry.daily, .g4-entry.brain, .g4-entry.miaoji, .g4-entry.sop { grid-column: span 6; }
  .g4-todo-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .g4-nav-meta { display: none; }
}

@media (max-width: 779px) {
  .g4-header { grid-template-columns: 68px minmax(0, 1fr); grid-template-rows: 56px 48px; }
  .g4-brand-mark img { width: 56px; height: 56px; }
  .g4-brand-copy small, .g4-role, .g4-online { display: none; }
  .g4-titlebar { padding-inline: 10px; }
  .g4-userbox { gap: 5px; padding: 4px; }
  .g4-navrow { gap: 0; padding: 0; }
  .g4-nav a, .g4-account-link { padding-inline: 11px; }
  .g4-main { width: min(100% - 20px, var(--g4-content)); margin-top: 12px; }
  .g4-entry.daily, .g4-entry.brain, .g4-entry.miaoji, .g4-entry.sop { grid-column: 1 / -1; }
  .g4-form-grid { grid-template-columns: 1fr; }
  .g4-field, .g4-field.third, .g4-field.full { grid-column: 1; }
  .g4-task { grid-template-columns: 1fr; }
  .g4-task-actions { justify-content: flex-start; }
  .g4-member-table { min-width: 760px; }
  .g4-table-scroll { overflow-x: auto; }
}

@media (max-width: 560px) {
  .g4-brand-copy strong { font-size: 17px; }
  .g4-userbox .g4-button { min-height: 28px; padding-inline: 8px; }
  .g4-todo-list { grid-template-columns: 1fr; }
  .g4-entry-body { grid-template-columns: 64px minmax(0, 1fr); gap: 12px; padding: 14px; }
  .g4-module-icon { width: 64px; height: 64px; }
  .g4-module-icon svg { width: 46px; height: 46px; }
  .g4-entry-copy h2 { font-size: 20px; }
  .g4-launch-heading span { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; animation: none !important; }
}