/* VOLTWORKS VR — Simulator HUD stylesheet (industrial) */

:root {
  --ink: #14171b; --steel: #1b1f24; --steel2: #20252c; --plate: #262c35;
  --line: #39414c; --edge: #4a5361; --paper: #e8eaed; --mut: #97a0ab;
  --amber: #ffb400; --ok: #3fb96b; --bad: #e5484d; --info: #62a8ea;
  --f-head: 'Oswald', 'Arial Narrow', sans-serif;
  --f-body: 'Rajdhani', 'Segoe UI', sans-serif;
  --f-mono: 'JetBrains Mono', monospace;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; overflow: hidden; background: var(--ink); }
body { font: 14px/1.5 var(--f-body); color: var(--paper); }
.hidden { display: none !important; }

/* ---------- boot screen ---------- */
#sim-boot {
  position: fixed; inset: 0; z-index: 999; background:
    repeating-linear-gradient(135deg, #16191e 0 14px, #14171b 14px 28px);
  display: grid; place-items: center; transition: opacity .5s;
}
#sim-boot.gone { opacity: 0; pointer-events: none; }
.boot-box { text-align: center; }
.boot-logo {
  width: 64px; height: 64px; margin: 0 auto 14px; border-radius: 10px;
  background: conic-gradient(from 90deg, #ffb400, #7a5800, #ffb400);
  display: grid; place-items: center; font: 800 26px var(--f-mono); color: #14171b;
  box-shadow: 0 0 40px rgba(255, 180, 0, .3);
}
.boot-name { font: 700 20px var(--f-head); letter-spacing: .2em; color: var(--amber); }
.boot-load { width: 210px; height: 4px; margin: 18px auto 10px; background: #262c35; border-radius: 2px; overflow: hidden; }
.boot-load i { display: block; height: 100%; width: 40%; background: var(--amber); animation: bootlin 1.1s infinite; }
@keyframes bootlin { 0% { margin-left: -40%; } 100% { margin-left: 100%; } }
.boot-msg { font: 600 12px var(--f-mono); color: var(--mut); letter-spacing: .1em; }
.boot-tip { margin-top: 26px; font: 600 11px var(--f-mono); color: #6b727b; letter-spacing: .08em; max-width: 320px; }

/* ---------- stage ---------- */
#sim-stage { position: fixed; inset: 0; }
#sim-root { position: absolute; inset: 0; }
#sim-canvas { width: 100%; height: 100% !important; display: block; }

/* ---------- HUD scaffolding ---------- */
#sim-hud { position: absolute; inset: 0; pointer-events: none; }
#sim-hud > * { pointer-events: auto; }

/* top bar */
.hud-top {
  position: absolute; top: 0; left: 0; right: 0; z-index: 20;
  display: flex; justify-content: space-between; align-items: center; gap: 12px;
  padding: 10px 16px;
  background: linear-gradient(180deg, rgba(20, 23, 27, .96), rgba(20, 23, 27, .82));
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(4px);
}
.hud-lab { display: flex; align-items: center; gap: 12px; min-width: 0; }
.hud-code {
  font: 700 10px var(--f-mono); letter-spacing: .16em; color: var(--amber);
  border: 1px solid rgba(255, 180, 0, .4); padding: 4px 8px; border-radius: 3px;
  background: rgba(255, 180, 0, .07); white-space: nowrap;
}
.hud-lab b { font: 600 15px var(--f-head); letter-spacing: .06em; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.hud-mode {
  font: 700 9.5px var(--f-mono); letter-spacing: .14em; color: #6fe297;
  border: 1px solid rgba(63, 185, 107, .4); padding: 3px 7px; border-radius: 3px;
}
.hud-mode.ass { color: #ff9c9c; border-color: rgba(229, 72, 77, .5); }
.hud-right { display: flex; align-items: center; gap: 10px; }
.hud-timer {
  font: 700 15px var(--f-mono); color: var(--paper);
  background: #0d0f12; border: 1px solid var(--line); padding: 5px 10px; border-radius: 4px;
}
.hud-steps { font: 700 12px var(--f-mono); color: var(--amber); letter-spacing: .08em; }
.hud-steps i { color: var(--mut); font-style: normal; font-size: 9px; }
.hud-btn {
  font: 700 10px var(--f-mono); letter-spacing: .12em; cursor: pointer;
  color: var(--paper); background: var(--steel2); border: 1px solid var(--line);
  border-radius: 4px; padding: 6px 12px; transition: .15s;
}
.hud-btn:hover { border-color: var(--amber); color: var(--amber); }
.hud-btn.danger:hover { border-color: var(--bad); color: var(--bad); }

/* left catalog */
.hud-left { position: absolute; top: 62px; left: 12px; bottom: 108px; z-index: 10; display: flex; }
.panel {
  background: rgba(27, 31, 36, .93); border: 1px solid var(--line); border-radius: 8px;
  box-shadow: 0 14px 36px rgba(0, 0, 0, .5); backdrop-filter: blur(6px);
  overflow: hidden; display: flex; flex-direction: column;
}
.catalog { width: 252px; }
.panel-head {
  display: flex; justify-content: space-between; align-items: center;
  padding: 10px 14px; border-bottom: 1px dashed var(--line);
  font: 700 10.5px var(--f-mono); letter-spacing: .16em; color: var(--amber);
}
.panel-head i { color: var(--mut); font-style: normal; font-size: 9.5px; letter-spacing: .08em; }
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--mut); }
.dot.ok { background: var(--ok); box-shadow: 0 0 8px var(--ok); }
.dot.bad { background: var(--bad); box-shadow: 0 0 8px var(--bad); animation: blink 1s infinite; }
@keyframes blink { 50% { opacity: .4; } }

.cat-search { padding: 8px 10px; border-bottom: 1px solid #23282f; }
.cat-search input {
  width: 100%; background: #14171b; border: 1px solid var(--line); color: var(--paper);
  border-radius: 4px; padding: 7px 10px; font: 600 12px var(--f-body); outline: none;
}
.cat-search input:focus { border-color: var(--amber); }
.cat-list { overflow-y: auto; flex: 1; padding: 6px; }
.cat-group { margin-bottom: 6px; }
.cat-title { font: 700 9px var(--f-mono); letter-spacing: .18em; color: #6b727b; padding: 6px 8px 4px; }
.cat-item {
  display: flex; align-items: center; gap: 9px; padding: 7px 8px; border-radius: 5px;
  transition: .12s; border: 1px solid transparent;
}
.cat-item:hover { background: #20252c; border-color: var(--line); }
.cat-ic { width: 26px; text-align: center; font-size: 15px; flex: none; }
.cat-info { flex: 1; min-width: 0; }
.cat-info b { display: block; font: 600 12px/1.25 var(--f-body); letter-spacing: .02em; }
.cat-info i { display: block; font: 500 9.5px var(--f-mono); color: var(--mut); font-style: normal; margin-top: 2px; }
.cat-add {
  width: 24px; height: 24px; flex: none; border-radius: 4px; cursor: pointer;
  background: rgba(255, 180, 0, .12); border: 1px solid rgba(255, 180, 0, .45);
  color: var(--amber); font: 700 14px/1 var(--f-mono);
}
.cat-add:hover { background: rgba(255, 180, 0, .25); }
.cat-note { padding: 8px 12px; font: 600 9.5px var(--f-mono); color: #5f6670; border-top: 1px dashed var(--line); letter-spacing: .04em; }
.cat-empty { padding: 20px; color: var(--mut); font-size: 12px; text-align: center; }

/* right column */
.hud-right-side {
  position: absolute; top: 62px; right: 12px; bottom: 108px; z-index: 10;
  display: flex; flex-direction: column; gap: 10px; width: 268px;
}
.steps { flex: 1.25; min-height: 0; }
.safety { flex: 1; min-height: 0; }
.step-list { list-style: none; overflow-y: auto; flex: 1; padding: 8px; }
.step {
  display: grid; grid-template-columns: 30px 1fr 18px; gap: 8px; align-items: start;
  padding: 8px 9px; border-radius: 5px; border: 1px solid #262c35;
  background: #191d23; margin-bottom: 6px; transition: .2s;
}
.step.done { border-color: rgba(63, 185, 107, .4); }
.step-n { font: 700 11px var(--f-mono); color: var(--amber); text-align: center; padding-top: 2px; }
.step.done .step-n { color: var(--ok); }
.step-tx b { font: 600 12.5px/1.3 var(--f-body); display: block; }
.step-tx p { font-size: 11px; color: var(--mut); margin: 3px 0 5px; }
.step-hint {
  font: 700 8.5px var(--f-mono); letter-spacing: .12em; color: var(--amber);
  background: transparent; border: 1px solid rgba(255, 180, 0, .4); border-radius: 3px;
  padding: 3px 7px; cursor: pointer;
}
.hint-bd {
  margin-top: 6px; font: 500 10.5px/1.45 var(--f-mono); color: #e7d9a8;
  background: rgba(255, 180, 0, .06); border: 1px dashed rgba(255, 180, 0, .3);
  padding: 6px 8px; border-radius: 4px;
}
.step-ok { color: #2c333c; font-size: 13px; padding-top: 2px; }
.step.done .step-ok { color: var(--ok); }
.steps-progress { display: flex; align-items: center; gap: 8px; padding: 9px 12px; border-top: 1px dashed var(--line); }
.steps-bar { flex: 1; height: 6px; background: #14171b; border-radius: 3px; overflow: hidden; }
.steps-bar i { display: block; height: 100%; width: 0; background: linear-gradient(90deg, #e09e00, var(--amber)); transition: width .4s; }
#steps-pct { font: 700 10px var(--f-mono); color: var(--amber); }

.safety-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 4px; padding: 9px 10px; }
.safety-stats > div { text-align: center; background: #14171b; border-radius: 4px; padding: 6px 2px; border: 1px solid #23282f; }
.safety-stats b { display: block; font: 700 13px var(--f-mono); color: var(--ok); }
#safe-viol { color: var(--paper); }
.safety-stats i { font: 700 7.5px var(--f-mono); color: #6b727b; font-style: normal; letter-spacing: .08em; }
.viol-list { list-style: none; overflow-y: auto; padding: 4px 10px 10px; flex: 1; }
.viol-list li { padding: 6px 8px; margin-bottom: 4px; background: rgba(229, 72, 77, .08); border: 1px solid rgba(229, 72, 77, .25); border-radius: 4px; }
.viol-list li b { display: block; font: 700 9px var(--f-mono); color: #ff9c9c; letter-spacing: .1em; }
.viol-list li span { font-size: 10.5px; color: #d9a3a5; line-height: 1.4; display: block; }
.panel.safety.flash { animation: sflash .8s; }
@keyframes sflash { 0%, 40% { box-shadow: 0 0 0 2px var(--bad), 0 14px 36px rgba(0, 0, 0, .5); } }

/* bottom toolbar */
.hud-bottom { position: absolute; left: 50%; transform: translateX(-50%); bottom: 10px; z-index: 20; text-align: center; }
.toolbar {
  display: inline-flex; align-items: center; gap: 4px; padding: 7px 8px;
  background: rgba(27, 31, 36, .95); border: 1px solid var(--line); border-radius: 9px;
  box-shadow: 0 14px 36px rgba(0, 0, 0, .55); backdrop-filter: blur(6px);
}
.tool {
  position: relative; display: flex; flex-direction: column; align-items: center; gap: 3px;
  width: 54px; padding: 7px 4px 5px; border-radius: 6px; cursor: pointer;
  background: transparent; border: 1px solid transparent; color: var(--mut); transition: .12s;
}
.tool svg { width: 19px; height: 19px; }
.tool span { font: 700 8px var(--f-mono); letter-spacing: .1em; }
.tool:hover { color: var(--paper); background: #23282f; }
.tool.active { color: var(--amber); border-color: rgba(255, 180, 0, .5); background: rgba(255, 180, 0, .08); }
.tool.sm { width: 46px; }
.tool.accent, .tool .accent { color: var(--ok); }
.tool:disabled { opacity: .5; cursor: wait; }
.tb-sep { width: 1px; height: 34px; background: var(--line); margin: 0 4px; }

.tool-group { position: relative; display: flex; }
.sw { width: 14px; height: 14px; border-radius: 7px; display: inline-block; box-shadow: inset 0 1px 3px rgba(0, 0, 0, .5); }
.sw.phase { background: #6b4520; } .sw.neutral { background: #2f63d8; }
.sw.earth { background: repeating-linear-gradient(-45deg, #2e8b2e 0 4px, #e8d44d 4px 8px); }
.sw.dc { background: #c22; } .sw.blk { background: #222; }
.color-pop {
  position: absolute; bottom: calc(100% + 8px); left: 0; display: none; flex-direction: column; gap: 3px;
  background: rgba(27, 31, 36, .97); border: 1px solid var(--line); border-radius: 7px; padding: 6px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, .55);
}
.color-pop.open { display: flex; }
.color-pop button {
  display: flex; align-items: center; gap: 8px; padding: 7px 10px; border-radius: 4px; cursor: pointer;
  background: transparent; border: 1px solid transparent; color: var(--paper);
  font: 700 10px var(--f-mono); letter-spacing: .1em;
}
.color-pop button:hover { background: #23282f; }
.color-pop button.sel { border-color: rgba(255, 180, 0, .5); color: var(--amber); }

.hud-readout {
  margin-top: 7px; display: inline-block;
  font: 700 10.5px var(--f-mono); letter-spacing: .06em; color: var(--mut);
  background: rgba(13, 15, 18, .9); border: 1px solid var(--line); border-radius: 5px; padding: 6px 12px;
}
.hud-readout.live { color: #ff9c9c; border-color: rgba(229, 72, 77, .5); }

/* tutor */
.tutor {
  position: absolute; right: 12px; bottom: 108px; z-index: 15; width: 268px;
  background: rgba(27, 31, 36, .93); border: 1px solid var(--line); border-radius: 8px;
  box-shadow: 0 14px 36px rgba(0, 0, 0, .5); overflow: hidden;
  display: flex; flex-direction: column; transition: transform .25s;
}
.hud-right-side { margin-bottom: 190px; }
.tutor.collapsed .tutor-log, .tutor.collapsed .tutor-actions { display: none; }
.tutor-head { display: flex; gap: 9px; align-items: center; padding: 9px 12px; border-bottom: 1px dashed var(--line); cursor: pointer; }
.tutor-avatar {
  width: 30px; height: 30px; border-radius: 6px; background: var(--amber); color: #181205;
  display: grid; place-items: center; font: 800 11px var(--f-mono); flex: none;
}
.tutor-head b { display: block; font: 700 10.5px var(--f-mono); letter-spacing: .1em; }
.tutor-head i { font: 500 9px var(--f-mono); color: var(--ok); font-style: normal; }
.tutor-log { max-height: 132px; overflow-y: auto; padding: 8px 10px; display: flex; flex-direction: column; gap: 5px; }
.t-msg {
  font: 500 11px/1.5 var(--f-body); padding: 6px 9px; border-radius: 5px;
  background: #191d23; border-left: 2px solid var(--info); color: #c9d1d9;
}
.t-msg.ok { border-left-color: var(--ok); }
.t-msg.warn { border-left-color: var(--amber); background: rgba(255, 180, 0, .05); }
.t-msg.you { border-left-color: var(--mut); background: #14171b; color: var(--mut); }
.tutor-actions { display: flex; gap: 6px; padding: 8px 10px; border-top: 1px dashed var(--line); }
.t-btn {
  font: 700 9.5px var(--f-mono); letter-spacing: .1em; cursor: pointer;
  background: var(--steel2); border: 1px solid var(--line); color: var(--paper);
  border-radius: 4px; padding: 7px 10px; transition: .15s; text-decoration: none;
}
.t-btn:hover { border-color: var(--amber); color: var(--amber); }
.t-btn.accent { border-color: rgba(63, 185, 107, .5); color: #6fe297; }
.tutor-actions input {
  flex: 1; min-width: 0; background: #14171b; border: 1px solid var(--line); color: var(--paper);
  border-radius: 4px; padding: 7px 9px; font: 600 11px var(--f-body); outline: none;
}
.tutor-actions input:focus { border-color: var(--amber); }

/* toasts */
.toast-wrap { position: absolute; bottom: 128px; left: 50%; transform: translateX(-50%); z-index: 40; display: flex; flex-direction: column; gap: 6px; align-items: center; }
.toast {
  font: 600 12px var(--f-body); letter-spacing: .02em;
  background: rgba(20, 23, 27, .96); border: 1px solid var(--line); border-left: 3px solid var(--info);
  color: var(--paper); padding: 9px 16px; border-radius: 5px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, .5); animation: tin .25s; max-width: 440px;
}
.toast.ok { border-left-color: var(--ok); }
.toast.warn { border-left-color: var(--amber); }
.toast.bad { border-left-color: var(--bad); }
.toast.out { opacity: 0; transform: translateY(6px); transition: .4s; }
@keyframes tin { from { opacity: 0; transform: translateY(8px); } }

/* result modal */
.modal { position: absolute; inset: 0; z-index: 100; background: rgba(10, 12, 15, .78); display: grid; place-items: center; backdrop-filter: blur(4px); }
.modal-box {
  width: min(520px, calc(100% - 40px)); max-height: 86vh; overflow-y: auto;
  background: var(--steel); border: 1px solid var(--line); border-top: 4px solid var(--amber);
  border-radius: 10px; padding: 22px 24px; box-shadow: 0 30px 80px rgba(0, 0, 0, .6);
}
.modal-head { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; }
.res-badge { font: 700 10px var(--f-mono); letter-spacing: .14em; padding: 5px 10px; border-radius: 3px; }
.res-badge.ok { color: #6fe297; border: 1px solid rgba(63, 185, 107, .5); background: rgba(63, 185, 107, .08); }
.res-badge.ny { color: #ff9c9c; border: 1px solid rgba(229, 72, 77, .5); background: rgba(229, 72, 77, .08); }
.modal-head h3 { font: 600 19px var(--f-head); letter-spacing: .05em; }
.res-score { text-align: center; margin: 8px 0 16px; }
.res-score b { font: 700 54px/1 var(--f-mono); color: var(--amber); text-shadow: 0 0 26px rgba(255, 180, 0, .3); }
.res-score span { font: 700 16px var(--f-mono); color: var(--mut); }
.res-score i { display: block; font: 600 10px var(--f-mono); color: var(--mut); font-style: normal; letter-spacing: .14em; margin-top: 5px; }
.res-rubric { display: flex; flex-direction: column; gap: 7px; }
.rr { display: grid; grid-template-columns: 1fr 120px 34px; gap: 10px; align-items: center; }
.rr span { font: 600 11.5px var(--f-body); color: #c3cad2; }
.rr-bar { height: 8px; background: #14171b; border-radius: 4px; overflow: hidden; border: 1px solid #23282f; }
.rr-bar i { display: block; height: 100%; }
.rr-bar i.ok { background: var(--ok); } .rr-bar i.mid { background: var(--amber); } .rr-bar i.bad { background: var(--bad); }
.rr b { font: 700 12px var(--f-mono); color: var(--paper); text-align: right; }
.res-note { margin-top: 14px; font: 600 12px/1.6 var(--f-body); color: var(--mut); }
.res-note b { color: var(--amber); }
.modal-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 18px; }

/* responsive */
@media (max-width: 900px) {
  .hud-left { display: none; }
  .hud-right-side { width: 220px; }
  .tutor { display: none; }
  .hud-right-side { margin-bottom: 0; }
  .tool { width: 44px; }
}