/* ==========================================================================
   Knight Project — Simulator varenja
   Stilovi za 3D simulator, upravljačku ploču i izvještaj o kvaliteti šava.
   Nadopunjuje assets/css/style.css (koristi iste dizajn tokene).
   ========================================================================== */

.sim-wrap {
  --sim-ink: #0f0e0c;
  --sim-panel: #1b1916;
  --sim-panel-2: #232019;
  --sim-line: #3a352c;
  --sim-text: #ded5c4;
  --sim-dim: #9b917f;
  --sim-ok: #7fb069;
  --sim-warn: #e0b65f;
  --sim-bad: #e0574a;
  --sim-cold: #7fa8d8;
}

/* ------------------------------------------------------------- okvir */
.sim-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 332px;
  gap: 0;
  background: var(--sim-ink);
  border: 1px solid var(--sim-line);
  border-radius: 4px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

/* ------------------------------------------------------------- 3D scena */
.sim-stage {
  position: relative;
  min-height: 460px;
  height: clamp(460px, 62vh, 720px);
  background: radial-gradient(120% 120% at 30% 10%, #241f19 0%, #0d0c0a 70%);
}

.sim-stage canvas {
  display: block;
  width: 100%;
  height: 100%;
  touch-action: none;
  cursor: crosshair;
}

/* uvodni sloj */
.sim-veil {
  position: absolute;
  inset: 0;
  display: grid;
  place-content: center;
  text-align: center;
  padding: 2rem;
  gap: 0.6rem;
  background: rgba(10, 9, 8, 0.86);
  backdrop-filter: blur(3px);
  z-index: 4;
  cursor: pointer;
  transition: opacity 0.45s ease, visibility 0.45s ease;
}
.sim-veil.is-hidden { opacity: 0; visibility: hidden; pointer-events: none; }
.sim-veil h3 {
  font-family: var(--serif-display);
  color: #f2e9d8;
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  margin-bottom: 0.2rem;
}
.sim-veil p { color: var(--sim-dim); max-width: 46ch; margin: 0 auto 0.3rem; font-size: 0.95rem; }
.sim-veil .sim-veil__cta {
  display: inline-block;
  margin-top: 0.8rem;
  padding: 0.7rem 1.6rem;
  border: 1px solid var(--color-gold);
  color: var(--color-gold);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-size: 0.75rem;
}
.sim-veil ul {
  list-style: none;
  color: var(--sim-text);
  font-size: 0.86rem;
  margin: 0.8rem auto 0;
  display: grid;
  gap: 0.3rem;
  text-align: left;
  max-width: 34ch;
}
.sim-veil ul li::before { content: '—'; color: var(--color-gold); margin-right: 0.5rem; }

/* HUD — na dnu scene, jer ljepljivo zaglavlje stranice prekriva vrh */
.sim-hud {
  position: absolute;
  bottom: 0.75rem;
  left: 0.75rem;
  right: 0.75rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  pointer-events: none;
  z-index: 2;
}
.hud {
  background: rgba(14, 13, 11, 0.74);
  border: 1px solid rgba(176, 133, 47, 0.22);
  border-radius: 3px;
  padding: 0.3rem 0.6rem;
  min-width: 78px;
  backdrop-filter: blur(4px);
}
.hud__k {
  display: block;
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--sim-dim);
}
.hud__v {
  display: block;
  font-family: ui-monospace, 'SF Mono', Menlo, Consolas, monospace;
  font-size: 0.95rem;
  color: var(--sim-text);
  line-height: 1.3;
}
.hud__v.is-ok { color: var(--sim-ok); }
.hud__v.is-hot { color: var(--sim-bad); }
.hud__v.is-cold { color: var(--sim-cold); }
.hud--wide { min-width: 150px; flex: 1 1 150px; }

/* traka brzine */
.hudbar {
  position: relative;
  height: 7px;
  margin-top: 0.3rem;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 4px;
  overflow: hidden;
}
.hudbar__zone {
  position: absolute;
  top: 0; bottom: 0;
  background: rgba(127, 176, 105, 0.38);
  border-left: 1px solid rgba(127, 176, 105, 0.8);
  border-right: 1px solid rgba(127, 176, 105, 0.8);
}
.hudbar__fill {
  position: absolute;
  top: 0; bottom: 0; left: 0;
  background: var(--sim-text);
  border-radius: 4px;
  transition: width 0.08s linear;
}
.hudbar__fill.is-ok { background: var(--sim-ok); }
.hudbar__fill.is-low { background: var(--sim-cold); }
.hudbar__fill.is-high { background: var(--sim-bad); }

/* žive oznake grešaka */
.sim-warn {
  position: absolute;
  bottom: 5.2rem;
  left: 0.75rem;
  right: 0.75rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  pointer-events: none;
  z-index: 2;
}
.chip {
  font-size: 0.7rem;
  letter-spacing: 0.04em;
  padding: 0.22rem 0.55rem;
  border-radius: 2px;
  background: rgba(224, 182, 95, 0.16);
  border: 1px solid rgba(224, 182, 95, 0.5);
  color: var(--sim-warn);
}
.chip.is-bad {
  background: rgba(224, 87, 74, 0.16);
  border-color: rgba(224, 87, 74, 0.55);
  color: var(--sim-bad);
}

/* savjet / pogledi */
.sim-hint {
  position: absolute;
  top: 0.75rem;
  left: 0.75rem;
  right: 12.5rem;
  margin: 0;
  font-size: 0.78rem;
  color: var(--sim-dim);
  background: rgba(14, 13, 11, 0.74);
  border: 1px solid rgba(176, 133, 47, 0.18);
  border-radius: 3px;
  padding: 0.4rem 0.7rem;
  z-index: 2;
}
.sim-views {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  display: flex;
  gap: 0.25rem;
  z-index: 3;
}
.sim-views button {
  font: inherit;
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.35rem 0.5rem;
  background: rgba(14, 13, 11, 0.8);
  color: var(--sim-dim);
  border: 1px solid var(--sim-line);
  border-radius: 2px;
  cursor: pointer;
  transition: color 0.2s ease, border-color 0.2s ease;
}
.sim-views button:hover { color: var(--color-gold); border-color: var(--color-gold); }

/* ------------------------------------------------------- upravljačka ploča */
.sim-panel {
  background: var(--sim-panel);
  border-left: 1px solid var(--sim-line);
  padding: 1rem 1.1rem 1.4rem;
  overflow-y: auto;
  max-height: clamp(460px, 62vh, 720px);
  color: var(--sim-text);
  font-size: 0.86rem;
}
.sim-panel h4 {
  font-family: var(--serif-display);
  color: #f0e6d4;
  font-size: 1rem;
  letter-spacing: 0.02em;
  margin: 1.2rem 0 0.6rem;
  padding-bottom: 0.35rem;
  border-bottom: 1px solid var(--sim-line);
}
.sim-panel h4:first-child { margin-top: 0; }

.field { margin-bottom: 0.7rem; }
.field > label {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 0.5rem;
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--sim-dim);
  margin-bottom: 0.25rem;
}
.field .val {
  font-family: ui-monospace, Menlo, Consolas, monospace;
  font-size: 0.8rem;
  letter-spacing: 0;
  text-transform: none;
  color: var(--color-gold);
}
.field select {
  width: 100%;
  font: inherit;
  font-size: 0.84rem;
  padding: 0.45rem 0.55rem;
  color: var(--sim-text);
  background: var(--sim-panel-2);
  border: 1px solid var(--sim-line);
  border-radius: 2px;
  cursor: pointer;
}
.field select:focus-visible,
.field input:focus-visible { outline: 2px solid var(--color-gold); outline-offset: 1px; }

.field input[type='range'] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 20px;
  background: transparent;
  cursor: pointer;
}
.field input[type='range']::-webkit-slider-runnable-track {
  height: 3px;
  background: var(--sim-line);
  border-radius: 2px;
}
.field input[type='range']::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 15px; height: 15px;
  margin-top: -6px;
  border-radius: 50%;
  background: var(--color-gold);
  border: 2px solid #15130f;
}
.field input[type='range']::-moz-range-track { height: 3px; background: var(--sim-line); border-radius: 2px; }
.field input[type='range']::-moz-range-thumb {
  width: 13px; height: 13px; border-radius: 50%;
  background: var(--color-gold); border: 2px solid #15130f;
}

.sim-buttons { display: flex; flex-wrap: wrap; gap: 0.35rem; margin-top: 0.9rem; }
.sim-btn {
  flex: 1 1 calc(50% - 0.35rem);
  font: inherit;
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.55rem 0.4rem;
  background: var(--sim-panel-2);
  color: var(--sim-text);
  border: 1px solid var(--sim-line);
  border-radius: 2px;
  cursor: pointer;
  transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}
.sim-btn:hover { color: var(--color-gold); border-color: var(--color-gold); }
.sim-btn--gold { background: rgba(176, 133, 47, 0.15); border-color: var(--color-gold); color: var(--color-gold); }
.sim-btn--gold:hover { background: var(--color-gold); color: #15130f; }

/* preporuke */
.rec { margin-top: 0.2rem; }
.rec__process {
  font-size: 0.78rem;
  color: var(--color-gold);
  line-height: 1.5;
  margin-bottom: 0.6rem;
}
.rec__row {
  display: flex;
  justify-content: space-between;
  gap: 0.6rem;
  padding: 0.3rem 0;
  border-bottom: 1px dotted rgba(90, 82, 68, 0.5);
  font-size: 0.8rem;
}
.rec__row dt { color: var(--sim-dim); }
.rec__row dd {
  margin: 0;
  text-align: right;
  font-family: ui-monospace, Menlo, Consolas, monospace;
  font-size: 0.78rem;
  color: var(--sim-text);
}
.rec__note {
  margin-top: 0.6rem;
  font-size: 0.78rem;
  line-height: 1.6;
  color: var(--sim-dim);
  border-left: 2px solid var(--color-gold);
  padding-left: 0.6rem;
}
.rec__best {
  margin-top: 0.8rem;
  font-size: 0.75rem;
  color: var(--sim-dim);
  text-align: center;
}
.rec__best strong { color: var(--color-gold); font-size: 1.1rem; font-family: ui-monospace, Menlo, monospace; }

/* ------------------------------------------------------------- izvještaj */
.report {
  display: none;
  margin-top: 2rem;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-line);
  border-radius: 4px;
  padding: 1.6rem;
}
.report.is-open { display: block; }
.report__top {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 1.4rem;
  align-items: center;
  padding-bottom: 1.2rem;
  border-bottom: 1px solid var(--color-line);
}
.report__ring {
  --pct: 0;
  width: 104px; height: 104px;
  border-radius: 50%;
  display: grid;
  place-content: center;
  background:
    conic-gradient(var(--color-gold) calc(var(--pct) * 1%), rgba(138, 126, 108, 0.18) 0),
    var(--color-bg);
  position: relative;
}
.report__ring::after {
  content: '';
  position: absolute;
  inset: 9px;
  border-radius: 50%;
  background: var(--color-bg);
}
.report__score {
  position: relative;
  z-index: 1;
  font-family: var(--serif-display);
  font-size: 2.3rem;
  font-weight: 600;
  color: var(--color-dark);
  line-height: 1;
}
.report__grade { font-family: var(--serif-display); font-size: 1.6rem; color: var(--color-dark); }
.report__grade.is-ok { color: #4f7a3a; }
.report__grade.is-warn { color: #9a7220; }
.report__grade.is-bad { color: #9a2f22; }
.report__level { font-size: 0.86rem; color: var(--color-muted); margin: 0.15rem 0 0; }

.report__stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 0.6rem 1.2rem;
  margin: 1.2rem 0 1.4rem;
}
.rstat { border-left: 2px solid var(--color-gold); padding-left: 0.65rem; }
.rstat__k { display: block; font-size: 0.68rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--color-muted); }
.rstat__v { display: block; font-family: ui-monospace, Menlo, monospace; font-size: 1rem; color: var(--color-dark); }
.rstat__n { display: block; font-size: 0.72rem; color: var(--color-muted); font-style: italic; }

.report__cols { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 1.6rem; }
.report h3 {
  font-size: 1.15rem;
  margin-bottom: 0.7rem;
  padding-bottom: 0.35rem;
  border-bottom: 1px solid var(--color-line);
}
#xsec { width: 100%; border: 1px solid var(--color-line); border-radius: 3px; background: #16140f; }
.xsec-note { font-size: 0.76rem; color: var(--color-muted); margin-top: 0.5rem; line-height: 1.6; }

.defect-list { list-style: none; display: grid; gap: 0.8rem; }
.defect {
  background: var(--color-bg);
  border: 1px solid var(--color-line);
  border-left: 3px solid var(--color-gold);
  border-radius: 2px;
  padding: 0.7rem 0.9rem;
}
.defect--none { border-left-color: #4f7a3a; }
.defect__head { display: flex; flex-wrap: wrap; align-items: baseline; gap: 0.5rem; margin-bottom: 0.35rem; }
.defect__name { font-family: var(--serif-display); font-size: 1.05rem; color: var(--color-dark); }
.defect__iso { font-size: 0.68rem; color: var(--color-muted); font-family: ui-monospace, Menlo, monospace; }
.defect__sev {
  margin-left: auto;
  font-size: 0.64rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.12rem 0.45rem;
  border-radius: 2px;
}
.defect__sev.is-mild { background: rgba(138, 126, 108, 0.18); color: #6b6250; }
.defect__sev.is-warn { background: rgba(224, 182, 95, 0.25); color: #8a6512; }
.defect__sev.is-bad { background: rgba(224, 87, 74, 0.22); color: #9a2f22; }
.defect p { font-size: 0.84rem; line-height: 1.65; margin: 0.18rem 0; color: var(--color-text-soft); }
.defect strong { color: var(--color-dark); }

/* ------------------------------------------------------ teorijski dio */
.proc-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}
.proc-card {
  background: #fff;
  border: 1px solid var(--color-line);
  border-top: 3px solid var(--color-gold);
  border-radius: 3px;
  padding: 1.3rem 1.4rem;
  box-shadow: var(--shadow-sm);
}
.proc-card__code {
  display: inline-block;
  font-family: ui-monospace, Menlo, monospace;
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  color: var(--color-gold-dark);
  border: 1px solid var(--color-line);
  padding: 0.1rem 0.45rem;
  border-radius: 2px;
  margin-bottom: 0.5rem;
}
.proc-card h3 { font-size: 1.3rem; margin-bottom: 0.1rem; }
.proc-card__sub { font-size: 0.78rem; color: var(--color-muted); font-style: italic; margin-bottom: 0.7rem; }
.proc-card p { font-size: 0.9rem; line-height: 1.75; }
.proc-card dl { margin: 0.7rem 0 0; font-size: 0.84rem; }
.proc-card dl div { display: flex; justify-content: space-between; gap: 0.8rem; padding: 0.25rem 0; border-bottom: 1px dotted var(--color-line); }
.proc-card dt { color: var(--color-muted); }
.proc-card dd { margin: 0; text-align: right; color: var(--color-text); }
.proc-card__list { list-style: none; margin: 0.8rem 0 0; font-size: 0.85rem; display: grid; gap: 0.3rem; }
.proc-card__list li { padding-left: 1.1rem; position: relative; line-height: 1.6; }
.proc-card__list li::before { position: absolute; left: 0; font-weight: 700; }
.proc-card__list li.pro::before { content: '+'; color: #4f7a3a; }
.proc-card__list li.con::before { content: '−'; color: #9a2f22; }

.step-list { counter-reset: st; list-style: none; display: grid; gap: 1rem; }
.step-list li { counter-increment: st; position: relative; padding-left: 3rem; line-height: 1.8; }
.step-list li::before {
  content: counter(st);
  position: absolute; left: 0; top: 0;
  width: 2rem; height: 2rem;
  display: grid; place-content: center;
  border: 1px solid var(--color-gold);
  border-radius: 50%;
  font-family: var(--serif-display);
  color: var(--color-gold-dark);
  font-size: 0.95rem;
}
.step-list strong { display: block; font-family: var(--serif-display); font-size: 1.1rem; color: var(--color-dark); }

.table-wrap { overflow-x: auto; margin: 1rem 0; -webkit-overflow-scrolling: touch; }
.sim-table { width: 100%; border-collapse: collapse; font-size: 0.86rem; min-width: 620px; }
.sim-table th, .sim-table td { padding: 0.6rem 0.7rem; text-align: left; border-bottom: 1px solid var(--color-line); }
.sim-table thead th {
  font-family: var(--serif-display);
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-muted);
  border-bottom: 2px solid var(--color-gold);
  white-space: nowrap;
}
.sim-table tbody tr:hover { background: rgba(176, 133, 47, 0.06); }
.sim-table td:first-child { font-weight: 600; color: var(--color-dark); white-space: nowrap; }
.sim-table code { font-family: ui-monospace, Menlo, monospace; font-size: 0.82rem; color: var(--color-gold-dark); }

.joint-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 1.2rem; }
.joint-card {
  background: #fff;
  border: 1px solid var(--color-line);
  border-radius: 3px;
  padding: 1rem;
  text-align: center;
}
.joint-card svg { width: 100%; height: auto; margin-bottom: 0.6rem; }
.joint-card h4 { font-size: 1rem; margin-bottom: 0.2rem; }
.joint-card p { font-size: 0.8rem; color: var(--color-text-soft); line-height: 1.6; margin: 0; }

.safety-list { list-style: none; display: grid; gap: 0.7rem; }
.safety-list li {
  display: grid;
  grid-template-columns: 1.6rem minmax(0, 1fr);
  gap: 0.8rem;
  font-size: 0.9rem;
  line-height: 1.7;
}
/* the markup carries an empty <span> before the text; as a grid item it took the text column and
   squeezed the text into the 1.6rem badge column, one word per line */
.safety-list li > span:empty { display: none; }
.safety-list li::before { content: '!'; display: grid; place-content: center; width: 1.6rem; height: 1.6rem; border: 1px solid #9a2f22; color: #9a2f22; border-radius: 50%; font-weight: 700; font-size: 0.8rem; }
.safety-list strong { color: var(--color-dark); }

.callout {
  background: var(--color-bg-alt);
  border-left: 3px solid var(--color-gold);
  padding: 1.1rem 1.3rem;
  margin: 1.6rem 0;
  border-radius: 0 3px 3px 0;
}
.callout p:last-child { margin-bottom: 0; }
.callout strong { color: var(--color-dark); }

/* ------------------------------------------------------------- responzivno */
@media (max-width: 1040px) {
  .sim-shell { grid-template-columns: 1fr; }
  .sim-panel { border-left: 0; border-top: 1px solid var(--sim-line); max-height: none; }
  .sim-stage { height: clamp(380px, 52vh, 540px); }
  .report__cols { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .sim-stage { min-height: 340px; height: 56vh; }
  .sim-hint { left: 0.5rem; right: 0.5rem; top: 0.5rem; font-size: 0.72rem; }
  .sim-views { top: auto; bottom: 4.9rem; right: 0.5rem; }
  .sim-hud {
    left: 0; right: 0; bottom: 0.5rem;
    flex-wrap: nowrap;
    overflow-x: auto;
    scrollbar-width: none;
    padding: 0 0.5rem;
    pointer-events: auto;
  }
  .sim-hud::-webkit-scrollbar { display: none; }
  .sim-warn { left: 0.5rem; right: 0.5rem; bottom: 4.9rem; }
  .hud { min-width: 72px; flex: 0 0 auto; padding: 0.25rem 0.45rem; }
  .hud--wide { min-width: 128px; flex: 0 0 128px; }
  .hud__v { font-size: 0.82rem; }
  .report { padding: 1.1rem; }
  .report__top { grid-template-columns: 1fr; justify-items: center; text-align: center; }
  .sim-btn { flex: 1 1 100%; }
}

@media (prefers-reduced-motion: reduce) {
  .sim-veil, .hudbar__fill { transition: none; }
}