/* Pocket Dyson — 原生 DOM UI 样式（深色科幻风） */
* { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --bg: #0a0e14; --panel: rgba(16, 22, 32, 0.94); --panel-border: #2a3a4d;
  --accent: #4fc3f7; --accent2: #ffd54f; --ok: #69f0ae; --bad: #ff5252;
  --text: #cfd8dc; --dim: #78909c;
}
html, body { width: 100%; height: 100%; overflow: hidden; background: var(--bg);
  font-family: "PingFang SC", "Microsoft YaHei", system-ui, sans-serif; color: var(--text); font-size: 14px; }
#gl { position: fixed; inset: 0; display: block; }
.hidden { display: none !important; }
button { background: #1c2836; color: var(--text); border: 1px solid var(--panel-border);
  border-radius: 4px; padding: 4px 10px; cursor: pointer; font-size: 13px; }
button:hover { background: #27374a; border-color: var(--accent); }
button.on { background: #154360; border-color: var(--accent); color: #fff; }
button:disabled { opacity: 0.4; cursor: not-allowed; }
button.big { font-size: 16px; padding: 10px 24px; display: block; width: 100%; margin-top: 10px; }
input, select { background: #101822; color: var(--text); border: 1px solid var(--panel-border);
  border-radius: 4px; padding: 4px 8px; font-size: 13px; }

/* ---------- 覆盖层（开局/通关） ---------- */
.overlay { position: fixed; inset: 0; background: radial-gradient(ellipse at center, #101a2c 0%, #05070c 100%);
  display: flex; align-items: center; justify-content: center; z-index: 100; }
.start-box { text-align: center; padding: 40px 60px; border: 1px solid var(--panel-border);
  background: var(--panel); border-radius: 12px; min-width: 420px; }
.start-box h1 { font-size: 42px; letter-spacing: 8px; color: var(--accent);
  text-shadow: 0 0 24px rgba(79, 195, 247, 0.6); margin-bottom: 8px; }
.subtitle { color: var(--dim); margin-bottom: 24px; }
.start-form label { display: block; margin: 10px 0; text-align: left; }
.start-form input[type=number] { width: 140px; margin-left: 8px; }
.start-form .chk { display: flex; align-items: center; gap: 8px; }
.start-help { margin-top: 24px; color: var(--dim); font-size: 12px; line-height: 1.8; }
#victory-stats { margin: 16px 0; line-height: 2; color: var(--accent2); }

/* ---------- HUD ---------- */
#hud { position: fixed; inset: 0; pointer-events: none; z-index: 10; }
#hud > * { pointer-events: auto; }
#topbar { position: absolute; top: 0; left: 0; right: 0; height: 40px; display: flex;
  align-items: center; gap: 12px; padding: 0 12px; background: linear-gradient(rgba(8,12,18,0.9), rgba(8,12,18,0.6)); }
#speed-group button { min-width: 40px; }
#research-indicator { cursor: pointer; padding: 4px 10px; border-radius: 4px; max-width: 320px;
  overflow: hidden; white-space: nowrap; text-overflow: ellipsis; }
#research-indicator:hover { background: #1c2836; }
#research-indicator .prog { color: var(--accent2); }
#threat-indicator { color: #ff8a80; padding: 4px 10px; }
#threat-indicator.high { animation: blink 1s infinite; }
@keyframes blink { 50% { opacity: 0.35; } }
#topbar-btns { margin-left: auto; display: flex; gap: 6px; }
#topbar-btns button { font-size: 16px; padding: 2px 8px; }
#objective { position: absolute; top: 48px; left: 12px; background: rgba(16,24,34,0.85);
  border-left: 3px solid var(--accent2); padding: 8px 12px; border-radius: 4px; max-width: 340px;
  font-size: 13px; line-height: 1.5; }
#alert-banner { position: absolute; top: 48px; left: 50%; transform: translateX(-50%);
  background: rgba(120, 10, 10, 0.92); color: #fff; padding: 8px 24px; border-radius: 4px;
  font-weight: bold; animation: blink 0.8s infinite; }
#mecha-status { position: absolute; left: 12px; bottom: 76px; width: 220px; }
.energy-wrap { position: relative; height: 18px; background: #101822; border: 1px solid var(--panel-border); border-radius: 9px; overflow: hidden; }
#energy-bar { height: 100%; width: 100%; background: linear-gradient(90deg, #0288d1, #4fc3f7); transition: width 0.2s; }
#energy-bar.low { background: linear-gradient(90deg, #c62828, #ff5252); }
#energy-text { position: absolute; inset: 0; text-align: center; font-size: 11px; line-height: 18px; color: #fff; text-shadow: 0 1px 2px #000; }
#mecha-mode { margin-top: 4px; font-size: 12px; color: var(--dim); }
#hotbar { position: absolute; bottom: 12px; left: 50%; transform: translateX(-50%);
  display: flex; gap: 4px; background: rgba(12,18,26,0.9); padding: 6px; border-radius: 8px; border: 1px solid var(--panel-border); }
.hot-slot { width: 52px; height: 52px; border: 1px solid var(--panel-border); border-radius: 6px;
  background: #141d29; cursor: pointer; position: relative; text-align: center; padding-top: 4px; }
.hot-slot:hover { border-color: var(--accent); }
.hot-slot.sel { border-color: var(--accent2); box-shadow: 0 0 8px rgba(255,213,79,0.5); }
.hot-slot.locked { opacity: 0.35; }
.hot-slot .ic { font-size: 20px; display: block; }
.hot-slot .n { position: absolute; right: 3px; bottom: 1px; font-size: 11px; color: var(--accent2); }
.hot-slot .k { position: absolute; left: 3px; top: 1px; font-size: 10px; color: var(--dim); }
#mode-hint { position: absolute; bottom: 76px; left: 50%; transform: translateX(-50%);
  background: rgba(16,24,34,0.9); padding: 6px 16px; border-radius: 4px; border: 1px solid var(--accent); font-size: 13px; }
#travel-hud { position: absolute; top: 90px; left: 50%; transform: translateX(-50%);
  background: rgba(12,20,32,0.92); border: 1px solid var(--accent); padding: 10px 24px;
  border-radius: 6px; font-size: 15px; text-align: center; }

/* ---------- toast ---------- */
#toasts { position: fixed; left: 12px; bottom: 140px; z-index: 60; display: flex; flex-direction: column-reverse; gap: 6px; pointer-events: none; }
.toast { background: rgba(20,30,44,0.95); border-left: 3px solid var(--accent); padding: 8px 14px;
  border-radius: 4px; max-width: 380px; animation: toast-in 0.2s ease-out; font-size: 13px; }
.toast.err { border-left-color: var(--bad); }
.toast.good { border-left-color: var(--ok); }
.toast.tech { border-left-color: var(--accent2); }
.toast.fade { opacity: 0; transition: opacity 0.5s; }
@keyframes toast-in { from { transform: translateX(-20px); opacity: 0; } }

/* ---------- 面板通用 ---------- */
.panel { position: fixed; z-index: 40; background: var(--panel); border: 1px solid var(--panel-border);
  border-radius: 8px; padding: 12px; box-shadow: 0 8px 32px rgba(0,0,0,0.6); }
.panel h3 { font-size: 15px; color: var(--accent); margin-bottom: 10px; display: flex; justify-content: space-between; align-items: center; }
.panel h3 .x { cursor: pointer; color: var(--dim); font-size: 18px; padding: 0 4px; }
.panel h3 .x:hover { color: #fff; }
.panel .close-x { float: right; }

#panel-build { left: 12px; top: 100px; width: 380px; max-height: calc(100% - 220px); overflow-y: auto; }
#panel-backpack { right: 12px; top: 60px; width: 420px; max-height: calc(100% - 180px); overflow-y: auto; }
#panel-research { left: 50%; top: 50%; transform: translate(-50%, -50%); width: min(880px, 92vw); max-height: 86vh; overflow: auto; }
#panel-power { right: 12px; top: 60px; width: 380px; max-height: 70vh; overflow-y: auto; }
#panel-stats { left: 50%; top: 50%; transform: translate(-50%, -50%); width: min(640px, 90vw); max-height: 80vh; overflow: auto; }
#panel-logistics { left: 50%; top: 50%; transform: translate(-50%, -50%); width: min(720px, 92vw); max-height: 80vh; overflow: auto; }
#panel-dyson { left: 50%; top: 50%; transform: translate(-50%, -50%); width: min(600px, 90vw); max-height: 84vh; overflow: auto; }
#building-popup { min-width: 300px; max-width: 420px; max-height: 76vh; overflow-y: auto; }
#esc-menu { left: 50%; top: 50%; transform: translate(-50%, -50%); width: 380px; }
#planet-info { right: 12px; top: 60px; width: 300px; }

/* ---------- 建造菜单 ---------- */
.build-cats { display: flex; gap: 4px; margin-bottom: 8px; flex-wrap: wrap; }
.build-cats button { flex: 1; min-width: 60px; }
.build-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px; }
.build-item { border: 1px solid var(--panel-border); border-radius: 6px; background: #141d29;
  padding: 6px 2px; text-align: center; cursor: pointer; position: relative; }
.build-item:hover { border-color: var(--accent); }
.build-item.locked { opacity: 0.4; cursor: not-allowed; }
.build-item .ic { font-size: 22px; display: block; }
.build-item .nm { font-size: 11px; display: block; margin-top: 2px; color: var(--text); }
.build-item .n { position: absolute; right: 4px; top: 2px; font-size: 11px; color: var(--accent2); }
.build-item .lock-tip { font-size: 10px; color: var(--bad); display: block; }

/* ---------- 背包/合成 ---------- */
.inv-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 4px; margin-bottom: 10px; }
.inv-slot { border: 1px solid var(--panel-border); border-radius: 4px; background: #141d29;
  text-align: center; padding: 4px 0; position: relative; min-height: 44px; }
.inv-slot .ic { font-size: 18px; display: block; }
.inv-slot .n { font-size: 11px; color: var(--accent2); }
.inv-slot .spray { position: absolute; left: 2px; top: 0; font-size: 9px; color: var(--ok); }
.craft-row { display: flex; align-items: center; gap: 6px; padding: 4px; border-bottom: 1px solid #1c2836; }
.craft-row .io { flex: 1; font-size: 12px; }
.craft-row button { min-width: 48px; }
.tabs { display: flex; gap: 4px; margin-bottom: 8px; }
.tabs button { flex: 1; }
.fuel-row { display: flex; align-items: center; gap: 8px; padding: 3px 4px; }

/* ---------- 研究面板 ---------- */
.tech-tier { margin-bottom: 14px; }
.tech-tier h4 { color: var(--accent2); font-size: 13px; margin-bottom: 6px; }
.tech-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 6px; }
.tech-node { border: 1px solid var(--panel-border); border-radius: 6px; padding: 6px; background: #141d29; font-size: 12px; }
.tech-node.done { border-color: var(--ok); opacity: 0.75; }
.tech-node.avail { border-color: var(--accent); cursor: pointer; }
.tech-node.avail:hover { background: #1a2c40; }
.tech-node.locked { opacity: 0.45; }
.tech-node.queued { border-color: var(--accent2); }
.tech-node .cost { color: var(--dim); margin-top: 3px; font-size: 11px; }
.tech-node .desc { color: var(--dim); font-size: 11px; margin-top: 2px; }
#research-current { background: #101c2a; border: 1px solid var(--accent); border-radius: 6px; padding: 8px 12px; margin-bottom: 10px; }
.progbar { height: 10px; background: #101822; border-radius: 5px; overflow: hidden; margin-top: 6px; }
.progbar > div { height: 100%; background: var(--accent); }
.queue-row { display: flex; gap: 6px; align-items: center; padding: 2px 0; font-size: 12px; }

/* ---------- 电力/统计/物流 ---------- */
.grid-row { border: 1px solid var(--panel-border); border-radius: 6px; padding: 8px; margin-bottom: 8px; background: #141d29; }
.grid-row.warn { border-color: var(--bad); }
.grid-row .nums { display: flex; gap: 14px; flex-wrap: wrap; font-size: 12px; margin-top: 4px; }
.grid-row .nums b { color: var(--accent2); }
.stat-table { width: 100%; border-collapse: collapse; font-size: 12px; }
.stat-table th { text-align: left; color: var(--dim); padding: 4px; border-bottom: 1px solid var(--panel-border); cursor: pointer; }
.stat-table td { padding: 3px 4px; border-bottom: 1px solid #16202e; }
.stat-table tr:hover td { background: #16202e; }
.bar-cell { position: relative; min-width: 80px; }
.bar-cell .bar { position: absolute; left: 0; top: 2px; bottom: 2px; background: rgba(79,195,247,0.25); }
.bar-cell .bar.c { background: rgba(255,82,82,0.25); }
.bar-cell span { position: relative; }
.station-box { border: 1px solid var(--panel-border); border-radius: 6px; padding: 8px; margin-bottom: 8px; background: #141d29; font-size: 12px; }
.slot-row { display: flex; gap: 6px; align-items: center; padding: 3px 0; border-bottom: 1px dashed #1c2836; }
.slot-row select, .slot-row input { font-size: 12px; padding: 2px 4px; }
.slot-row input[type=number] { width: 64px; }

/* ---------- 戴森球编辑器 ---------- */
.slider-row { display: flex; align-items: center; gap: 10px; margin: 8px 0; }
.slider-row label { width: 90px; }
.slider-row input[type=range] { flex: 1; }
.slider-row .val { width: 70px; text-align: right; color: var(--accent2); }
.dyson-layer { border: 1px solid var(--panel-border); border-radius: 6px; padding: 8px; margin-bottom: 8px; background: #141d29; font-size: 12px; }
.dyson-nums { display: grid; grid-template-columns: 1fr 1fr; gap: 4px 16px; margin: 8px 0; font-size: 13px; }
.dyson-nums b { color: var(--accent2); }

/* ---------- 建筑弹窗 ---------- */
.recipe-list { display: flex; flex-direction: column; gap: 4px; }
.recipe-item { display: flex; align-items: center; gap: 8px; padding: 6px; border: 1px solid var(--panel-border);
  border-radius: 4px; cursor: pointer; font-size: 12px; }
.recipe-item:hover { border-color: var(--accent); }
.recipe-item.cur { border-color: var(--accent2); background: #1a2433; }
.recipe-item.locked { opacity: 0.45; cursor: not-allowed; }
.recipe-item .arrow { color: var(--dim); }
.bp-section { margin-top: 10px; border-top: 1px solid var(--panel-border); padding-top: 8px; }
.bp-kv { display: flex; justify-content: space-between; font-size: 12px; padding: 2px 0; }
.dir-btns { display: flex; gap: 4px; }

/* ---------- Esc 菜单 ---------- */
.save-slots { display: flex; flex-direction: column; gap: 6px; margin: 10px 0; }
.save-slot { display: flex; gap: 6px; align-items: center; }
.save-slot .info { flex: 1; font-size: 12px; color: var(--dim); }
#esc-menu button.big { margin-top: 6px; }

::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-thumb { background: #2a3a4d; border-radius: 4px; }