/* 布局与组件。所有颜色一律走 --gw-* 变量，由 render/theme.js 在切主题时刷到
   :root 上。这个文件里不许出现字面量颜色（黑白透明除外）。 */

*, *::before, *::after { box-sizing: border-box; }

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

body {
  background: var(--gw-bg-page, #060912);
  color: var(--gw-text-primary, #E7EDF9);
  font: 14px/1.5 var(--gw-font-ui, system-ui, sans-serif);
  -webkit-font-smoothing: antialiased;
  overflow: hidden;
}

button, input, select, textarea { font: inherit; color: inherit; }

:focus-visible {
  outline: var(--gw-focus-ring-w, 2px) var(--gw-focus-ring-style, solid) var(--gw-focus-ring, #22D3EE);
  outline-offset: 2px;
}

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

/* ---------------------------------------------------------------- 应用骨架 */

#gw-app {
  display: flex;
  flex-direction: column;
  height: 100%;
  min-height: 0;
}

.gw-topbar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 14px;
  background: var(--gw-panel-bg);
  border-bottom: 1px solid var(--gw-panel-border);
  flex: 0 0 auto;
}

.gw-title {
  font-weight: 700;
  letter-spacing: .18em;
  color: var(--gw-text-accent);
  margin-right: auto;
}

/* -------------------------------------------------------------------- 舞台 */

.gw-stage {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  flex: 1 1 auto;
  min-height: 0;
  background: var(--gw-bg-field-out);
  border-radius: var(--gw-fx-bezel-radius, 0);
}

.gw-stage > canvas {
  display: block;
  width: 100%;
  height: 100%;
}

/* CRT 覆盖层。静态图层会被合成器缓存成纹理，每帧 0 开销；
   逐帧 fillRect 画 1080 行扫描线是 0.4–1.2ms/帧，而且和世界变换打架。 */
.gw-fx {
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0;
  transition: opacity 160ms linear;
  contain: strict;
  z-index: 2;
}

/* ------------------------------------------------------------------ 控制区 */

.gw-controls {
  flex: 0 0 auto;
  display: grid;
  grid-template-columns: minmax(230px, 300px) 1fr;
  gap: 12px;
  padding: 10px 14px 12px;
  background: var(--gw-panel-bg);
  border-top: 1px solid var(--gw-panel-border);
}

.gw-panel {
  background: var(--gw-panel-bg-alt);
  border: 1px solid var(--gw-panel-border);
  border-radius: var(--gw-panel-radius);
  padding: 10px 12px;
}

.gw-panel h3 {
  margin: 0 0 8px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .08em;
  color: var(--gw-text-muted);
}

.gw-row { display: flex; align-items: center; gap: 8px; }
.gw-row + .gw-row { margin-top: 8px; }
.gw-grow { flex: 1 1 auto; min-width: 0; }

/* -------------------------------------------------------------- 表达式输入 */

.gw-exprline { display: flex; align-items: stretch; gap: 8px; }

.gw-exprlabel {
  display: flex;
  align-items: center;
  min-width: 3.2em;
  justify-content: flex-end;
  font: 15px/1 var(--gw-font-mono);
  color: var(--gw-text-secondary);
}

.gw-exprwrap { position: relative; flex: 1 1 auto; min-width: 0; }

.gw-expr {
  width: 100%;
  padding: 7px 10px;
  background: var(--gw-input-bg);
  color: var(--gw-input-fg);
  border: 1px solid var(--gw-input-border);
  border-radius: 6px;
  /* 三个主题都等宽：x*(x-1)/2 的括号配对靠等宽才看得清 */
  font: 15px/1.35 var(--gw-font-mono);
  caret-color: var(--gw-input-caret);
}
.gw-expr:focus { border-color: var(--gw-input-border-focus); outline: none; }
.gw-expr::selection { background: var(--gw-input-sel-bg); }
.gw-expr[readonly] { opacity: .85; }

/* 错误镜像层：用一段等宽的透明文字把下划线推到正确的列上。
   必须与 .gw-expr 的 font / padding / letter-spacing 完全一致。 */
.gw-errmirror {
  position: absolute;
  inset: 0;
  padding: 7px 10px;
  font: 15px/1.35 var(--gw-font-mono);
  white-space: pre;
  overflow: hidden;
  pointer-events: none;
  color: transparent;
  border: 1px solid transparent;
}
.gw-errmirror mark {
  background: transparent;
  color: transparent;
  border-bottom: 2px wavy var(--gw-state-error);
  border-bottom-style: solid;
  text-decoration: underline wavy var(--gw-state-error);
  text-underline-offset: 3px;
}

.gw-errbar {
  margin-top: 6px;
  min-height: 1.4em;
  font-size: 12.5px;
  color: var(--gw-state-error);
}
.gw-errbar:empty { display: none; }
/* CRT 主题没有红色可用，错误改成反白块 */
[data-theme="crt"] .gw-errbar:not(:empty) {
  background: var(--gw-state-error-bg);
  color: var(--gw-state-error-ink);
  padding: 2px 6px;
  display: inline-block;
}
.gw-warnbar { margin-top: 4px; font-size: 12.5px; color: var(--gw-state-warn); }
.gw-warnbar:empty { display: none; }

/* ------------------------------------------------------------------- 按钮 */

.gw-btn {
  padding: 7px 14px;
  background: var(--gw-panel-bg);
  color: var(--gw-text-primary);
  border: 1px solid var(--gw-panel-border);
  border-radius: 6px;
  cursor: pointer;
  white-space: nowrap;
}
.gw-btn:hover:not(:disabled) { border-color: var(--gw-text-accent); }
.gw-btn:disabled { opacity: .45; cursor: not-allowed; }
.gw-btn.is-primary {
  background: var(--gw-text-accent);
  color: var(--gw-bg-field);
  border-color: var(--gw-text-accent);
  font-weight: 600;
}
.gw-btn.is-on { border-color: var(--gw-text-accent); color: var(--gw-text-accent); }
.gw-btn.is-mini { padding: 3px 8px; font-size: 12px; }

.gw-seg { display: inline-flex; }
.gw-seg .gw-btn { border-radius: 0; margin-left: -1px; }
.gw-seg .gw-btn:first-child { border-radius: 6px 0 0 6px; margin-left: 0; }
.gw-seg .gw-btn:last-child { border-radius: 0 6px 6px 0; }

.gw-chip {
  display: inline-block;
  padding: 1px 7px;
  border: 1px solid var(--gw-panel-border);
  border-radius: 999px;
  font-size: 11.5px;
  color: var(--gw-text-secondary);
  cursor: pointer;
  user-select: none;
  font-family: var(--gw-font-mono);
}
.gw-chip:hover { border-color: var(--gw-text-accent); color: var(--gw-text-accent); }

/* -------------------------------------------------------------------- HUD */

.gw-hud {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 6px 14px;
  font-size: 13px;
  background: var(--gw-panel-bg);
  border-bottom: 1px solid var(--gw-panel-border);
  flex: 0 0 auto;
  flex-wrap: wrap;
}
.gw-teamchip { display: inline-flex; align-items: center; gap: 6px; }
.gw-teamchip .mark { font-size: 15px; line-height: 1; }
.gw-hpbar {
  display: inline-block; width: 74px; height: 8px;
  background: var(--gw-hp-track); border-radius: 999px; overflow: hidden;
  vertical-align: middle;
}
.gw-hpbar > i { display: block; height: 100%; }
.gw-timer { font-family: var(--gw-font-mono); }
.gw-timer.is-low { color: var(--gw-state-error); }

/* ---------------------------------------------------------------- 战报面板 */

.gw-log { max-height: 148px; overflow-y: auto; }
.gw-log ol { list-style: none; margin: 0; padding: 0; }
.gw-log li {
  padding: 4px 6px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 12.5px;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 2px 8px;
}
.gw-log li:hover { background: var(--gw-panel-bg); }
.gw-log li.is-ghost { outline: 1px dashed var(--gw-text-accent); }
.gw-log .fn { font-family: var(--gw-font-mono); color: var(--gw-text-primary); word-break: break-all; }
.gw-log .res { grid-column: 2; color: var(--gw-text-muted); font-size: 11.5px; }
.gw-log .who { color: var(--gw-text-secondary); white-space: nowrap; }

/* ---------------------------------------------------------------- 悬停读数 */

.gw-readout {
  position: absolute;
  z-index: 3;
  pointer-events: none;
  padding: 3px 7px;
  font: 12px/1.3 var(--gw-font-mono);
  background: var(--gw-panel-bg);
  color: var(--gw-text-primary);
  border: 1px solid var(--gw-panel-border);
  border-radius: 4px;
  white-space: pre;
  opacity: 0;
  transition: opacity 90ms linear;
}
.gw-readout.is-on { opacity: .95; }

/* ------------------------------------------------------------------ 覆盖屏 */

.gw-overlay {
  position: absolute;
  inset: 0;
  z-index: 4;
  display: grid;
  place-items: center;
  background: color-mix(in srgb, var(--gw-bg-page) 78%, transparent);
  backdrop-filter: blur(2px);
}
.gw-overlay[hidden] { display: none; }
.gw-card {
  background: var(--gw-panel-bg);
  border: 1px solid var(--gw-panel-border);
  border-radius: var(--gw-panel-radius);
  box-shadow: var(--gw-panel-shadow);
  padding: 22px 26px;
  max-width: min(920px, 92vw);
  max-height: 88vh;
  overflow: auto;
}
.gw-card h2 { margin: 0 0 14px; font-size: 19px; letter-spacing: .1em; }

/* --------------------------------------------------------------- 大厅表单 */

.gw-setup { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; min-width: min(860px, 88vw); }
.gw-field { display: grid; grid-template-columns: 6.4em 1fr; align-items: center; gap: 8px; }
.gw-field + .gw-field { margin-top: 7px; }
.gw-field > label { color: var(--gw-text-secondary); font-size: 13px; }
.gw-field input[type="text"], .gw-field input[type="number"], .gw-field select {
  padding: 5px 8px;
  background: var(--gw-input-bg);
  border: 1px solid var(--gw-input-border);
  border-radius: 5px;
  min-width: 0;
}
.gw-seat {
  border: 1px solid var(--gw-panel-border);
  border-radius: 6px;
  padding: 8px 10px;
  margin-top: 8px;
  background: var(--gw-panel-bg-alt);
}
.gw-seat-head { display: flex; align-items: center; gap: 8px; margin-bottom: 6px; }
.gw-seat-head b { font-weight: 600; }
.gw-teamblock + .gw-teamblock { margin-top: 14px; }
.gw-hint { color: var(--gw-text-muted); font-size: 12px; margin-top: 6px; }
.gw-bad { color: var(--gw-state-error); font-size: 12.5px; margin-top: 6px; }

.gw-modes { display: grid; gap: 4px; }
.gw-modes label { display: flex; align-items: baseline; gap: 8px; cursor: pointer; }
.gw-modes code { font-family: var(--gw-font-mono); color: var(--gw-text-muted); }

/* ------------------------------------------------------------- 帮助/速查 */

.gw-fnbar { display: flex; flex-wrap: wrap; gap: 4px; margin-top: 6px; }
.gw-shapes { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 10px; }
.gw-shape { border: 1px solid var(--gw-panel-border); border-radius: 6px; padding: 6px; cursor: pointer; }
.gw-shape canvas { display: block; width: 100%; height: 34px; }
.gw-shape code { font-size: 12px; font-family: var(--gw-font-mono); color: var(--gw-text-accent); }

table.gw-funcs { border-collapse: collapse; font-size: 12.5px; width: 100%; }
table.gw-funcs td { padding: 2px 8px 2px 0; vertical-align: top; }
table.gw-funcs td:first-child { font-family: var(--gw-font-mono); color: var(--gw-text-accent); white-space: nowrap; }

/* ---------------------------------------------------------- 窄屏兜底布局 */

@media (max-width: 900px) {
  .gw-controls { grid-template-columns: 1fr; }
  .gw-setup { grid-template-columns: 1fr; }
}