/* VRFlash 2.0 — visual "China futurista": tinta preta, vermelhão neon, ouro, ciano da marca.
   Mobile primeiro. Tudo escopado em .vrf / #vrflash-app.
   Tokens: --ink #06080c · --panel #0d131c · --cyan #00d8e6 · --red #ff3b4e · --gold #f6c453 */

@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@600;800&family=Rajdhani:wght@500;600;700&family=Noto+Sans+SC:wght@500;900&family=Inter:wght@400;500;600&family=JetBrains+Mono:wght@600;800&display=swap');

.vrf, .vrf * { box-sizing: border-box; margin: 0; padding: 0; }

#vrflash-app { display: block; margin: 24px 0 48px; clear: both; }

.vrf {
  --ink: #06080c;
  --ink2: #090d14;
  --panel: #0d131c;
  --panel2: #111a26;
  --cyan: #00d8e6;
  --cyan-deep: #0089a6;
  --red: #ff3b4e;
  --gold: #f6c453;
  --amber: #f6c453;
  --signal: #f2f6f8;
  --muted: #8494a0;
  --line: rgba(0, 216, 230, .20);
  --line-red: rgba(255, 59, 78, .35);
  --ok: #2ee6a6;
  --err: #ff4d63;
  --navy: #06080c;
  --card: #0d131c;
  --display: 'Orbitron', 'Rajdhani', system-ui, sans-serif;
  --head: 'Rajdhani', 'Inter', system-ui, sans-serif;
  --hanzi: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, Menlo, Consolas, monospace;
  --body: 'Inter', -apple-system, 'Segoe UI', Roboto, Arial, sans-serif;
  --cut: 14px;

  font-family: var(--body);
  color: var(--signal);
  line-height: 1.55;
  --pad: clamp(14px, 4vw, 36px);
}

/* canto cortado (assinatura visual) */
.vrf-cut, .vrf-panel, .vrf-pick, .vrf-stat, .vrf-caso, .vrf-explain, .vrf-desfecho, .vrf-convite, .vrf-payoff, .vrf-step, .vrf-alt {
  clip-path: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, var(--cut) 100%, 0 calc(100% - var(--cut)));
}

/* ---------- casca ---------- */

.vrf-shell {
  position: relative;
  max-width: 1020px;
  margin: 0 auto;
  background:
    radial-gradient(900px 480px at 8% -8%, rgba(0,216,230,.13), transparent 60%),
    radial-gradient(700px 420px at 108% 6%, rgba(255,59,78,.12), transparent 55%),
    linear-gradient(rgba(0,216,230,.035) 1px, transparent 1px) 0 0 / 100% 36px,
    linear-gradient(90deg, rgba(0,216,230,.03) 1px, transparent 1px) 0 0 / 36px 100%,
    linear-gradient(180deg, #0a0f17, var(--ink));
  border: 1px solid var(--line);
  border-radius: 6px;
  overflow: hidden;
  box-shadow: 0 0 0 1px rgba(255,59,78,.10), 0 30px 80px -30px rgba(0,0,0,.85), 0 0 60px -30px rgba(0,216,230,.45);
}
.vrf-shell::before { /* marca d'água 闪 */
  content: "闪"; position: absolute; right: -10px; top: 70px; z-index: 0;
  font-family: var(--hanzi); font-weight: 900; font-size: clamp(180px, 38vw, 380px); line-height: .8;
  color: rgba(255,59,78,.045); pointer-events: none; user-select: none;
}
.vrf-shell > * { position: relative; z-index: 1; }

.vrf-topbar {
  display: flex; align-items: center; justify-content: space-between; gap: 14px;
  padding: 14px var(--pad);
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(255,255,255,.04), transparent);
}
.vrf-brand { display: flex; align-items: center; gap: 10px; min-width: 0; }
.vrf-bolt { width: 36px; height: 36px; flex: none; filter: drop-shadow(0 0 10px rgba(0,216,230,.6)); }
.vrf-wordmark { font-family: var(--display); font-weight: 800; font-size: 19px; letter-spacing: 1.5px; text-transform: uppercase; }
.vrf-wordmark b { color: var(--cyan); text-shadow: 0 0 14px rgba(0,216,230,.6); }
.vrf-tagline { font-family: var(--hanzi); font-size: 12px; color: var(--muted); letter-spacing: 1px; padding-left: 10px; margin-left: 2px; border-left: 1px solid var(--line); }
.vrf-tagline::after { content: " · 诊断"; color: var(--red); }
@media (max-width: 600px) { .vrf-tagline { display: none; } }

.vrf-nav { display: flex; align-items: center; gap: 10px; flex: none; }
.vrf-crumbs { font-family: var(--mono); font-size: 11px; color: var(--muted); text-align: right; letter-spacing: .5px; }
.vrf-crumbs b { color: var(--signal); }
#vrflash-app button.vrf-home {
  -webkit-appearance: none; appearance: none; cursor: pointer; white-space: nowrap; text-shadow: none;
  font-family: var(--mono); font-size: 11px; letter-spacing: 1px; text-transform: uppercase;
  color: var(--cyan) !important; background: rgba(0,216,230,.08) !important;
  border: 1px solid var(--line) !important; border-radius: 4px; padding: 10px 14px; min-height: 40px; box-shadow: none;
  transition: background .15s ease, border-color .15s ease;
}
#vrflash-app button.vrf-home:hover { background: rgba(0,216,230,.18) !important; border-color: var(--cyan) !important; }
#vrflash-app button.vrf-home:focus-visible { outline: 2px solid var(--cyan); outline-offset: 2px; }
.vrf-home[hidden] { display: none; }

.vrf-screen { padding: var(--pad); min-height: 420px; }

.vrf-footer {
  display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
  padding: 14px var(--pad); border-top: 1px solid var(--line);
  font-size: 11.5px; color: var(--muted); letter-spacing: .4px;
}
.vrf-sep { opacity: .5; }
#vrflash-app a.vrf-foot-link { color: var(--muted); text-decoration: none; border-bottom: 1px solid var(--line); transition: color .15s ease, border-color .15s ease; }
#vrflash-app a.vrf-foot-link:hover { color: var(--gold); border-color: var(--gold); }

/* ---------- boot ---------- */

.vrf-boot { display: flex; align-items: center; gap: 12px; color: var(--muted); font-family: var(--mono); font-size: 13px; }
.vrf-led { width: 10px; height: 10px; border-radius: 50%; background: var(--red); box-shadow: 0 0 12px var(--red); animation: vrf-blink 1s steps(1) infinite; }
@keyframes vrf-blink { 50% { opacity: .2; box-shadow: none; } }

/* ---------- títulos ---------- */

#vrflash-app h2.vrf-h {
  font-family: var(--display); font-weight: 800; text-transform: uppercase;
  font-size: clamp(19px, 3.6vw, 27px); line-height: 1.15; letter-spacing: 1px;
  margin: 0 0 8px; color: var(--signal); text-shadow: none;
}
#vrflash-app .vrf-kick {
  font-family: var(--mono); font-size: 11px; letter-spacing: 3px; text-transform: uppercase;
  color: var(--red); margin: 0 0 10px; display: flex; align-items: center; gap: 10px;
}
#vrflash-app .vrf-kick::before { content: ""; width: 22px; height: 2px; background: var(--red); box-shadow: 0 0 8px var(--red); }
#vrflash-app .vrf-lede { color: #b3c0c8; max-width: 66ch; margin: 0 0 20px; font-size: 14.5px; }

/* progresso em 3 passos */
.vrf-stepper { display: flex; gap: 6px; margin: 0 0 16px; max-width: 360px; }
.vrf-stepper i { flex: 1; height: 4px; background: rgba(255,255,255,.08); position: relative; clip-path: polygon(0 0, 100% 0, calc(100% - 4px) 100%, 0 100%); }
.vrf-stepper i.on { background: var(--cyan); box-shadow: 0 0 10px rgba(0,216,230,.7); }
.vrf-stepper i.now { background: var(--red); box-shadow: 0 0 10px rgba(255,59,78,.8); }

.vrf-fade { animation: vrf-in .35s ease both; }
@keyframes vrf-in { from { opacity: 0; transform: translateY(8px); } }

/* ---------- grades de escolha ---------- */

.vrf-grid { display: grid; gap: 12px; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); }
@media (max-width: 420px) { .vrf-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; } }

.vrf-pick {
  position: relative; text-align: left; cursor: pointer; overflow: hidden;
  background: linear-gradient(160deg, var(--panel2), var(--panel));
  border: 1px solid var(--line); border-radius: 0;
  padding: 16px 14px; min-height: 108px; color: var(--signal);
  transition: transform .15s ease, border-color .15s ease, box-shadow .15s ease, background .15s ease;
}
.vrf-pick::after { /* trilho neon */
  content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 3px;
  background: linear-gradient(180deg, var(--cyan), transparent);
  opacity: .7;
}
.vrf-pick:hover, .vrf-pick:active { transform: translateY(-3px); border-color: var(--red); box-shadow: 0 14px 30px -14px rgba(255,59,78,.55); }
.vrf-pick:hover::after { background: linear-gradient(180deg, var(--red), transparent); opacity: 1; }
.vrf-pick:focus-visible { outline: 2px solid var(--gold); outline-offset: 2px; }
.vrf-pick .vrf-chip {
  display: inline-flex; align-items: center; justify-content: center;
  width: 38px; height: 38px; margin-bottom: 10px;
  background: rgba(0,216,230,.07); border: 1px solid var(--line);
  font-family: var(--display); font-weight: 800; color: var(--cyan);
  clip-path: polygon(8px 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%, 0 8px);
}
.vrf-pick .vrf-pick-title { font-family: var(--head); font-weight: 700; font-size: 17px; letter-spacing: .5px; line-height: 1.15; }
.vrf-pick .vrf-pick-sub { font-family: var(--mono); font-size: 11px; color: var(--muted); margin-top: 4px; }
.vrf-pick.vrf-blocked, .vrf-pick.vrf-blocked:hover {
  cursor: not-allowed; opacity: .5; box-shadow: none; transform: none;
  background-image: repeating-linear-gradient(135deg, rgba(255,255,255,.09) 0 2px, transparent 2px 9px);
  border-style: dashed; border-color: rgba(255,255,255,.22);
}
.vrf-pick.vrf-blocked .vrf-pick-title { text-decoration: line-through; }

/* código de alarme — visor 7-seg */
.vrf-code {
  font-family: var(--mono); font-weight: 800; font-size: 28px; letter-spacing: 2px;
  color: var(--gold); text-shadow: 0 0 18px rgba(246,196,83,.6);
}
.vrf-cenario-card .vrf-chip { color: var(--gold); font-size: 15px; letter-spacing: 1px; width: auto; padding: 0 12px; }

/* voltar */
#vrflash-app button.vrf-back {
  -webkit-appearance: none; appearance: none;
  background: none !important; border: 0 !important; box-shadow: none !important; outline: none;
  text-decoration: none; text-shadow: none; text-transform: lowercase;
  padding: 10px 0; margin: 0 0 8px; cursor: pointer; min-height: 40px;
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--mono); font-size: 12px; letter-spacing: 1px; color: var(--muted) !important;
  transition: color .15s ease;
}
#vrflash-app button.vrf-back:hover, #vrflash-app button.vrf-back:active { color: var(--gold) !important; background: none !important; border: 0 !important; }
#vrflash-app button.vrf-back:focus-visible { outline: 2px solid var(--gold); outline-offset: 3px; }

/* grade de códigos */
.vrf-codes { display: grid; gap: 10px; grid-template-columns: repeat(auto-fill, minmax(78px, 1fr)); }
#vrflash-app button.vrf-code-btn {
  -webkit-appearance: none; appearance: none; cursor: pointer; aspect-ratio: 1 / 1; min-height: 64px;
  display: flex; align-items: center; justify-content: center; text-align: center; padding: 4px;
  background: linear-gradient(160deg, var(--panel2), var(--panel));
  border: 1px solid var(--line) !important; border-radius: 0; box-shadow: none;
  font-family: var(--mono); font-weight: 800; font-size: clamp(15px, 2.2vw, 20px); letter-spacing: .5px;
  color: var(--gold) !important; text-shadow: 0 0 14px rgba(246,196,83,.4);
  clip-path: polygon(10px 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%, 0 10px);
  transition: transform .12s ease, border-color .15s ease, box-shadow .15s ease, background .15s ease;
  overflow-wrap: anywhere;
}
#vrflash-app button.vrf-code-btn:hover, #vrflash-app button.vrf-code-btn:active {
  transform: translateY(-2px); border-color: var(--red) !important; background: rgba(255,59,78,.10);
  box-shadow: 0 12px 26px -14px rgba(255,59,78,.6);
}
#vrflash-app button.vrf-code-btn:focus-visible { outline: 2px solid var(--gold); outline-offset: 2px; }

/* ---------- painel do chamado ---------- */

.vrf-panel {
  background: linear-gradient(160deg, var(--panel2), var(--panel));
  border: 1px solid var(--line); border-radius: 0;
  padding: clamp(16px, 4vw, 28px); position: relative; overflow: hidden;
}
.vrf-panel::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: repeating-linear-gradient(0deg, rgba(255,255,255,.015) 0 1px, transparent 1px 3px), linear-gradient(115deg, transparent 60%, rgba(0,216,230,.07));
}
.vrf-readout { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; padding-bottom: 14px; margin-bottom: 14px; border-bottom: 1px dashed var(--line); position: relative; }
.vrf-readout .vrf-alarm-box {
  border: 1px solid var(--red); padding: 8px 16px; background: rgba(255,59,78,.08);
  clip-path: polygon(8px 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%, 0 8px);
}
.vrf-readout .vrf-alarm-box small { display: block; font-family: var(--mono); font-size: 9px; letter-spacing: 2px; color: var(--red); }
.vrf-hist { color: #d3dde3; position: relative; font-size: 15px; }

/* ---------- botões ---------- */

#vrflash-app button.vrf-btn {
  -webkit-appearance: none; appearance: none; cursor: pointer;
  font-family: var(--display); font-weight: 800; letter-spacing: 1px; text-transform: uppercase;
  border: 0 !important; border-radius: 0; padding: 15px 24px; font-size: 13px; min-height: 50px;
  background: linear-gradient(180deg, var(--red), #c81f33) !important;
  color: #fff !important; box-shadow: 0 12px 26px -10px rgba(255,59,78,.65); text-shadow: none;
  clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 12px 100%, 0 calc(100% - 12px));
  transition: transform .12s ease, filter .12s ease;
}
#vrflash-app button.vrf-btn:hover { transform: translateY(-2px); filter: brightness(1.12); }
#vrflash-app button.vrf-btn.vrf-ghost {
  background: rgba(0,216,230,.07) !important; border: 1px solid var(--line) !important;
  color: var(--cyan) !important; box-shadow: none;
}
#vrflash-app button.vrf-btn.vrf-ghost:hover { border-color: var(--cyan) !important; }
#vrflash-app button.vrf-btn:focus-visible { outline: 2px solid var(--gold); outline-offset: 2px; }
#vrflash-app button.vrf-btn[disabled] { background: rgba(255,255,255,.06) !important; color: var(--muted) !important; box-shadow: none; cursor: not-allowed; transform: none; filter: none; }
.vrf-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 20px; align-items: center; }

/* barra de ação fixa no celular: o botão principal sempre ao alcance do polegar */
@media (max-width: 640px) {
  .vrf-actions {
    position: sticky; bottom: 0; z-index: 5; margin: 18px calc(var(--pad) * -1) 0;
    padding: 12px var(--pad) calc(12px + env(safe-area-inset-bottom));
    background: linear-gradient(180deg, transparent, rgba(6,8,12,.94) 28%);
  }
  .vrf-actions > button { flex: 1 1 auto; }
}

/* ---------- investigação ---------- */

.vrf-legend {
  display: flex; flex-wrap: wrap; gap: 8px 18px; align-items: center;
  font-family: var(--mono); font-size: 11.5px; color: var(--muted);
  border: 1px dashed var(--line); padding: 9px 14px; margin-bottom: 14px;
}
.vrf-legend .sw { display: inline-block; width: 8px; height: 8px; margin-right: 7px; vertical-align: 1px; transform: rotate(45deg); }
.vrf-legend .sw.r { background: var(--ok); }
.vrf-legend .sw.i { background: var(--gold); }
.vrf-legend .sw.d { background: var(--red); }
.vrf-lock { font-family: var(--mono); font-size: 12px; color: var(--gold); align-self: center; }
.vrf-lock[hidden] { display: none; }

.vrf-gauge {
  position: sticky; top: 8px; z-index: 4;
  display: flex; align-items: center; gap: 14px;
  background: rgba(6,8,12,.92); backdrop-filter: blur(8px);
  border: 1px solid var(--line); padding: 10px 14px; margin-bottom: 14px;
  clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 10px 100%, 0 calc(100% - 10px));
}
.vrf-gauge .vrf-gauge-num { font-family: var(--display); font-weight: 800; font-size: 22px; color: var(--cyan); text-shadow: 0 0 14px rgba(0,216,230,.55); }
.vrf-gauge .vrf-gauge-lbl { font-family: var(--mono); font-size: 10px; color: var(--muted); text-transform: uppercase; letter-spacing: 1.5px; }
.vrf-gauge .vrf-bar { flex: 1; height: 6px; background: rgba(255,255,255,.07); overflow: hidden; }
.vrf-gauge .vrf-bar > i { display: block; height: 100%; width: 0; background: linear-gradient(90deg, var(--cyan), var(--gold), var(--red)); transition: width .4s ease; }

.vrf-step {
  border: 1px solid var(--line); margin-bottom: 10px; overflow: hidden;
  background: linear-gradient(160deg, var(--panel2), var(--panel));
}
.vrf-step-head {
  display: flex; align-items: center; gap: 12px; width: 100%; text-align: left;
  padding: 14px 14px; min-height: 56px; cursor: pointer; background: none; border: none; color: var(--signal); font-size: 14px;
}
.vrf-step-head:hover, .vrf-step-head:active { background: rgba(0,216,230,.06); }
.vrf-step-head .vrf-cost {
  font-family: var(--mono); font-size: 10px; letter-spacing: 1px; text-transform: uppercase;
  padding: 3px 8px; border: 1px solid var(--line); color: var(--muted); white-space: nowrap;
}
.vrf-step[data-cost="rapida"] .vrf-cost { color: var(--ok); border-color: rgba(46,230,166,.45); }
.vrf-step[data-cost="intermediaria"] .vrf-cost { color: var(--gold); border-color: rgba(246,196,83,.45); }
.vrf-step[data-cost="demorada"] .vrf-cost { color: var(--red); border-color: rgba(255,59,78,.5); }
.vrf-step-head .vrf-step-txt { flex: 1; }
.vrf-step-head .vrf-plus { color: var(--red); font-family: var(--mono); font-weight: 800; font-size: 18px; }
.vrf-step.done { border-color: rgba(46,230,166,.35); }
.vrf-step.done .vrf-step-head { background: rgba(46,230,166,.06); }
.vrf-step.done .vrf-plus { color: var(--ok); }
.vrf-step-body { padding: 0 14px; max-height: 0; overflow: hidden; transition: max-height .3s ease, padding .3s ease; }
.vrf-step.done .vrf-step-body { max-height: 320px; padding: 0 14px 14px; }
.vrf-step-body .vrf-result-lbl { font-family: var(--mono); font-size: 10px; letter-spacing: 2px; color: var(--cyan); text-transform: uppercase; }
.vrf-step-body p { color: #d3dde3; margin-top: 4px; }

/* ---------- diagnóstico ---------- */

.vrf-alt {
  display: block; width: 100%; text-align: left; cursor: pointer; min-height: 56px;
  border: 1px solid var(--line); border-radius: 0; padding: 15px 16px; margin-bottom: 10px;
  background: linear-gradient(160deg, var(--panel2), var(--panel)); color: var(--signal); font-size: 14.5px;
  transition: border-color .15s ease, transform .12s ease, background .15s ease;
}
.vrf-alt:hover, .vrf-alt:active { border-color: var(--red); transform: translateX(3px); background: rgba(255,59,78,.06); }
.vrf-alt[disabled] { cursor: default; opacity: .55; }
.vrf-alt.is-correct { border-color: var(--ok); background: rgba(46,230,166,.10); opacity: 1; }
.vrf-alt.is-wrong { border-color: var(--err); background: rgba(255,77,99,.10); opacity: 1; }

/* ---------- resultado ---------- */

.vrf-verdict { text-align: center; padding: 18px 0 6px; position: relative; }
.vrf-verdict::before { /* selo */
  content: ""; display: block; width: 76px; height: 76px; margin: 0 auto 12px;
  font-family: var(--hanzi); font-weight: 900; font-size: 38px; line-height: 70px; text-align: center;
  border: 3px solid currentColor; transform: rotate(-6deg); border-radius: 6px;
}
.vrf-verdict.ok { color: var(--ok); }
.vrf-verdict.ok::before { content: "对"; box-shadow: 0 0 24px rgba(46,230,166,.35), inset 0 0 14px rgba(46,230,166,.2); }
.vrf-verdict.err { color: var(--red); }
.vrf-verdict.err::before { content: "错"; box-shadow: 0 0 24px rgba(255,59,78,.35), inset 0 0 14px rgba(255,59,78,.2); }
.vrf-verdict .vrf-badge { font-family: var(--display); font-weight: 800; font-size: clamp(20px, 5vw, 34px); letter-spacing: 2px; text-shadow: 0 0 26px currentColor; }

.vrf-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin: 18px 0 4px; }
@media (max-width: 520px) { .vrf-stats { grid-template-columns: 1fr; } }
.vrf-stat { background: linear-gradient(160deg, var(--panel2), var(--panel)); border: 1px solid var(--line); padding: 14px 15px; }
.vrf-stat .vrf-stat-l { font-family: var(--mono); font-size: 9.5px; letter-spacing: 2px; text-transform: uppercase; color: var(--muted); }
.vrf-stat .vrf-stat-v { font-family: var(--display); font-weight: 800; font-size: 24px; color: var(--signal); margin-top: 5px; letter-spacing: .5px; font-variant-numeric: tabular-nums; }
.vrf-stat .vrf-stat-v .u { font-size: 12px; font-weight: 600; color: var(--muted); margin-left: 3px; }
.vrf-stat.accent .vrf-stat-v { color: var(--cyan); text-shadow: 0 0 16px rgba(0,216,230,.45); }
.vrf-stat .vrf-stat-n { font-size: 11px; color: var(--muted); margin-top: 4px; }

.vrf-payoff {
  display: flex; gap: 12px; align-items: flex-start; padding: 14px 16px; margin: 16px 0 4px; font-size: 13.5px; color: var(--signal);
  background: rgba(246,196,83,.07); border: 1px solid rgba(246,196,83,.32);
}
.vrf-payoff.study { background: rgba(0,216,230,.06); border-color: var(--line); }
.vrf-payoff p { margin: 0; }
.vrf-payoff .vrf-payoff-i { flex: none; }
svg.vrf-payoff-i { width: 15px; height: 18px; margin-top: 1px; }
svg.vrf-payoff-i path { fill: var(--gold); }
span.vrf-payoff-i { font-family: var(--mono); font-weight: 800; color: var(--cyan); }

.vrf-explain { border: 1px solid var(--line); padding: 16px 18px; margin-top: 14px; background: linear-gradient(160deg, var(--panel2), var(--panel)); }
.vrf-explain h4 { font-family: var(--display); font-size: 12px; letter-spacing: 2px; text-transform: uppercase; color: var(--cyan); margin-bottom: 6px; }
.vrf-explain p { color: #d3dde3; }
.vrf-explain + .vrf-explain { margin-top: 10px; }

.vrf-relato { margin-top: 22px; }
.vrf-relato label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 8px; }
.vrf-relato textarea {
  width: 100%; min-height: 96px; resize: vertical;
  background: var(--ink); border: 1px solid var(--line); border-radius: 0; padding: 12px 14px;
  color: var(--signal); font-family: var(--body); font-size: 15px;
}
.vrf-relato textarea:focus { outline: none; border-color: var(--cyan); box-shadow: 0 0 0 3px rgba(0,216,230,.12); }
.vrf-relato .vrf-relato-hint { font-size: 11.5px; color: var(--muted); margin-top: 6px; }
.vrf-thanks { color: var(--ok); font-size: 13px; margin-top: 8px; font-family: var(--mono); }

.vrf-empty { color: var(--muted); font-family: var(--mono); font-size: 13px; }
.vrf-error { color: var(--err); font-family: var(--mono); font-size: 13px; }

@media (max-width: 600px) {
  .vrf-topbar { flex-wrap: wrap; }
  .vrf-nav { width: 100%; justify-content: space-between; }
  .vrf-crumbs { text-align: left; }
}

/* ---------- estudos de caso ---------- */

.vrf-timer {
  font-family: var(--display); font-size: 14px; font-weight: 800; letter-spacing: 1px;
  color: var(--cyan); border: 1px solid var(--line); padding: 8px 12px; background: rgba(0,216,230,.08);
}
.vrf-timer[hidden] { display: none; }
.vrf-timer.low { color: var(--gold); border-color: var(--gold); background: rgba(246,196,83,.1); }
.vrf-timer.out { color: var(--red); border-color: var(--red); background: rgba(255,59,78,.12); animation: vrf-blink 1s steps(1) infinite; }

.vrf-chips { display: flex; flex-wrap: wrap; gap: 10px; margin: 6px 0 22px; }
#vrflash-app button.vrf-chipbtn {
  font-family: var(--head); font-weight: 700; font-size: 15px; letter-spacing: .5px; min-height: 44px;
  color: var(--signal) !important; background: var(--panel) !important;
  border: 1px solid var(--line) !important; border-radius: 0; padding: 10px 20px; cursor: pointer;
  clip-path: polygon(8px 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%, 0 8px);
}
#vrflash-app button.vrf-chipbtn:hover { border-color: var(--red) !important; }
#vrflash-app button.vrf-chipbtn.on { color: #fff !important; background: var(--red) !important; border-color: var(--red) !important; }
.vrf-sub { font-family: var(--mono); font-size: 10px; letter-spacing: 2px; text-transform: uppercase; color: var(--muted); margin: 14px 0 4px; }

.vrf-caso { background: linear-gradient(160deg, var(--panel2), var(--panel)); border: 1px solid var(--line); padding: 20px; margin: 0 0 18px; }
.vrf-tom { display: inline-block; font-family: var(--display); font-weight: 800; font-size: 10.5px; letter-spacing: 1.5px; text-transform: uppercase; padding: 4px 10px; margin-right: 8px; }
.vrf-tom.leve { background: rgba(46,230,166,.15); color: var(--ok); }
.vrf-tom.medio { background: rgba(246,196,83,.15); color: var(--gold); }
.vrf-tom.pesado { background: rgba(255,59,78,.16); color: var(--red); }
.vrf-caso h3 { font-family: var(--head); font-weight: 700; font-size: 24px; margin: 12px 0 4px; letter-spacing: .5px; }
.vrf-caso .quando { color: var(--muted); font-size: 13px; margin: 0 0 14px; }
.vrf-caso .abertura { font-size: 16px; margin: 0 0 14px; }
.vrf-caso dl { display: grid; grid-template-columns: 120px 1fr; gap: 8px 14px; margin: 0; font-size: 14px; }
.vrf-caso dt { color: var(--red); font-family: var(--mono); font-size: 10px; letter-spacing: 1.5px; text-transform: uppercase; padding-top: 3px; }
.vrf-caso dd { margin: 0; }
@media (max-width: 560px) { .vrf-caso dl { grid-template-columns: 1fr; } .vrf-caso dt { padding-top: 8px; } }

.vrf-desfecho { padding: 20px 22px; margin: 0 0 18px; font-size: 16px; line-height: 1.6; border: 1px solid var(--line); }
.vrf-desfecho.ok { background: rgba(46,230,166,.09); border-color: rgba(46,230,166,.5); }
.vrf-desfecho.err { background: rgba(255,59,78,.09); border-color: rgba(255,59,78,.5); }
.vrf-desfecho small { display: block; font-family: var(--mono); font-size: 10px; letter-spacing: 2px; text-transform: uppercase; margin-bottom: 8px; color: var(--muted); }

.vrf-convite { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 14px; background: rgba(255,59,78,.07); border: 1px solid var(--line-red); padding: 16px 20px; margin: 0 0 18px; }
.vrf-convite p { margin: 0; flex: 1 1 260px; }
.vrf-convite b { color: var(--gold); }
#vrflash-app a.vrf-btn-link {
  display: inline-block; font-family: var(--display); font-weight: 800; font-size: 12.5px; letter-spacing: 1px; text-transform: uppercase;
  color: #fff !important; background: var(--red); padding: 14px 20px; text-decoration: none; min-height: 46px;
  clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 10px 100%, 0 calc(100% - 10px));
}
#vrflash-app a.vrf-btn-link:hover { filter: brightness(1.12); }

@media (prefers-reduced-motion: reduce) {
  .vrf *, .vrf-fade { animation: none !important; transition: none !important; }
}