:root {
  --bg: #04060a;
  --panel: #080d13;
  --panel-2: #05080c;
  --line: rgba(53, 255, 158, 0.18);
  --line-soft: rgba(53, 255, 158, 0.09);
  --green: #35ff9e;
  --green-deep: #0e7a4c;
  --cyan: #36e6ff;
  --amber: #ffc24b;
  --orange: #ff9d3b;
  --red: #ff5168;
  --text: #c1ecd8;
  --muted: #5c8473;
  --mono: ui-monospace, SFMono-Regular, Menlo, "DejaVu Sans Mono", Consolas, monospace;
}

* { box-sizing: border-box; }

/* Honeypot: presente nel DOM ma invisibile all'utente (lo "vede" solo un'AI) */
.sr-only {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--mono);
  line-height: 1.5;
  background-image:
    linear-gradient(rgba(53, 255, 158, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(53, 255, 158, 0.035) 1px, transparent 1px);
  background-size: 34px 34px;
}

/* Scanline CRT overlay */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 9998;
  pointer-events: none;
  background: repeating-linear-gradient(
    0deg,
    rgba(0, 0, 0, 0) 0,
    rgba(0, 0, 0, 0) 2px,
    rgba(0, 0, 0, 0.16) 3px
  );
  opacity: 0.55;
}
/* Vignette + lieve flicker */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 9997;
  pointer-events: none;
  background: radial-gradient(120% 90% at 50% 20%, transparent 55%, rgba(0, 0, 0, 0.55) 100%);
  animation: flicker 6s infinite steps(60);
}
@keyframes flicker { 0%,100% { opacity: 1; } 97% { opacity: 1; } 98% { opacity: 0.86; } 99% { opacity: 1; } }

@keyframes blink { 50% { opacity: 0; } }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: 0.3; } }
@keyframes shake {
  0%,100% { transform: translateX(0); }
  20% { transform: translateX(-5px); }
  40% { transform: translateX(5px); }
  60% { transform: translateX(-3px); }
  80% { transform: translateX(3px); }
}
@keyframes glitchTop {
  0%, 92% { transform: translate(0, 0); }
  93% { transform: translate(-2px, -1px); }
  96% { transform: translate(2px, 0); }
  100% { transform: translate(0, 0); }
}
@keyframes glitchBot {
  0%, 90% { transform: translate(0, 0); }
  91% { transform: translate(2px, 1px); }
  95% { transform: translate(-2px, 0); }
  100% { transform: translate(0, 0); }
}

/* ---- Header / prompt ---- */
header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(4, 6, 10, 0.85);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--line);
  padding: 12px 16px;
}
.brand {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 7px;
  font-size: 15px;
  font-weight: 700;
}
.prompt { color: var(--green-deep); }
.cursor {
  display: inline-block;
  width: 9px;
  height: 1.05em;
  background: var(--green);
  box-shadow: 0 0 8px var(--green);
  vertical-align: -2px;
  animation: blink 1.05s steps(1) infinite;
}

.glitch {
  position: relative;
  color: var(--green);
  text-shadow: 0 0 9px rgba(53, 255, 158, 0.55);
}
.glitch::before, .glitch::after {
  content: attr(data-text);
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  overflow: hidden;
}
.glitch::before { color: var(--cyan); clip-path: inset(0 0 55% 0); animation: glitchTop 3s infinite linear alternate; }
.glitch::after { color: var(--red); clip-path: inset(55% 0 0 0); animation: glitchBot 2.4s infinite linear alternate; }

.statusbar {
  margin-top: 9px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 12px;
  font-size: 11px;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--muted);
  align-items: center;
}
.statusbar #clock { color: var(--green); }
.dot {
  width: 9px; height: 9px; border-radius: 50%;
  background: var(--red);
  box-shadow: 0 0 10px var(--red);
  animation: pulse 1.5s infinite;
}

.progress { display: flex; gap: 6px; margin-top: 10px; }
.progress .pip {
  flex: 1;
  height: 5px;
  border-radius: 2px;
  background: rgba(53, 255, 158, 0.10);
  border: 1px solid var(--line-soft);
}
.progress .pip.done { background: var(--green); box-shadow: 0 0 10px var(--green); border-color: var(--green); }

/* ---- Layout ---- */
main { padding: 16px; max-width: 680px; margin: 0 auto; }

.card {
  position: relative;
  background: linear-gradient(180deg, rgba(10, 16, 22, 0.96), rgba(6, 10, 14, 0.96));
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 18px;
  margin-bottom: 18px;
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.4), 0 18px 40px rgba(0, 0, 0, 0.55),
    inset 0 0 40px rgba(53, 255, 158, 0.03);
}

.ticket-head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
  padding-bottom: 11px;
  border-bottom: 1px dashed var(--line-soft);
}
/* pallini finestra terminale */
.ticket-head::before {
  content: "";
  flex: 0 0 auto;
  width: 9px; height: 9px;
  border-radius: 50%;
  background: #ff5f56;
  box-shadow: 16px 0 0 #ffbd2e, 32px 0 0 #27c93f;
  margin-right: 44px;
}
.ticket-id { font-size: 11px; color: var(--muted); letter-spacing: 1px; }
.sev {
  margin-left: auto;
  font-size: 10px;
  letter-spacing: 2px;
  padding: 3px 8px;
  border-radius: 3px;
  border: 1px solid currentColor;
  text-transform: uppercase;
  white-space: nowrap;
}
.sev.low { color: var(--cyan); }
.sev.medium { color: var(--amber); }
.sev.high { color: var(--orange); }
.sev.critical { color: var(--red); text-shadow: 0 0 8px rgba(255, 81, 104, 0.6); }

h1 { font-size: 19px; margin: 0; color: var(--text); letter-spacing: 0.5px; }
h1::before { content: "> "; color: var(--green); }
h2 { font-size: 17px; margin: 0 0 6px; }
p { margin: 8px 0; }
.muted { color: var(--muted); font-size: 13.5px; }

/* ---- Domanda + esito live ---- */
.question { font-size: 14px; font-weight: 600; margin: 16px 0 2px; color: var(--text); }
.question::before { content: "$ "; color: var(--green-deep); }
.qstatus { font-family: var(--mono); font-size: 12px; margin-left: 6px; white-space: nowrap; }
.qstatus.ok { color: var(--green); text-shadow: 0 0 8px rgba(53, 255, 158, 0.5); }
.qstatus.err { color: var(--red); }

/* ---- Caselle lettera-per-lettera ---- */
.letters { display: flex; flex-wrap: wrap; align-items: flex-end; margin: 8px 0 2px; }
.letters .word { display: flex; gap: 6px; margin-right: 16px; margin-bottom: 6px; }
.letters.err { animation: shake 0.32s; }
.letters input.cell-input {
  width: 28px;
  height: 38px;
  padding: 0;
  text-align: center;
  font-family: var(--mono);
  font-size: 20px;
  font-weight: 700;
  color: var(--text);
  background: transparent;
  border: none;
  border-bottom: 3px solid var(--green-deep);
  border-radius: 0;
  text-transform: uppercase;
  caret-color: var(--green);
  -webkit-appearance: none;
}
.letters input.cell-input:focus {
  outline: none;
  border-bottom-color: var(--cyan);
  background: rgba(54, 230, 255, 0.08);
  box-shadow: 0 6px 12px -6px var(--cyan);
}
.letters input.cell-input.filled { border-bottom-color: var(--text); }
.letters.ok input.cell-input {
  border-bottom-color: var(--green);
  color: var(--green);
  text-shadow: 0 0 8px rgba(53, 255, 158, 0.5);
}
.letters.err input.cell-input { border-bottom-color: var(--red); color: var(--red); }

/* ---- Input liberi (parola d'ordine, flag) ---- */
label { display: block; font-size: 13px; margin: 16px 0 6px; font-weight: 600; color: var(--muted); text-transform: uppercase; letter-spacing: 1px; }
input[type="text"] {
  width: 100%;
  padding: 13px 14px;
  font-size: 16px;
  font-family: var(--mono);
  letter-spacing: 1px;
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: 4px;
  color: var(--green);
  caret-color: var(--green);
}
input[type="text"]:focus {
  outline: none;
  border-color: var(--green);
  box-shadow: 0 0 0 1px var(--green), 0 0 18px rgba(53, 255, 158, 0.2);
}

button {
  width: 100%;
  margin-top: 18px;
  padding: 14px;
  font-family: var(--mono);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--green);
  background: rgba(53, 255, 158, 0.06);
  border: 1px solid var(--green);
  border-radius: 4px;
  cursor: pointer;
  transition: 0.15s;
}
button::before { content: "> "; opacity: 0.85; }
button:hover { background: rgba(53, 255, 158, 0.14); box-shadow: 0 0 20px rgba(53, 255, 158, 0.25); }
button:active { transform: translateY(1px); }
button:disabled { opacity: 0.45; cursor: default; box-shadow: none; }

.msg { margin-top: 12px; font-size: 13px; min-height: 18px; }
.msg::before { content: "" ; }
.msg.ok { color: var(--green); text-shadow: 0 0 8px rgba(53, 255, 158, 0.4); }
.msg.ok::before { content: "[ OK ] "; }
.msg.err { color: var(--red); }
.msg.err::before { content: "[ERR] "; }

/* ---- Cifrario ---- */
.cipher-box {
  font-family: var(--mono);
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-left: 3px solid var(--green);
  border-radius: 4px;
  padding: 14px;
  font-size: 18px;
  letter-spacing: 3px;
  color: var(--green);
  text-shadow: 0 0 8px rgba(53, 255, 158, 0.4);
  word-break: break-word;
  margin: 10px 0;
}
.example {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--muted);
  background: var(--panel-2);
  border-left: 3px solid var(--cyan);
  padding: 10px 12px;
  border-radius: 4px;
}
.example strong { color: var(--cyan); }

/* ---- Puzzle ---- */
.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 3px;
  width: 100%;
  max-width: 420px;
  margin: 14px auto;
  aspect-ratio: 1 / 1;
  background: var(--line);
  border: 1px solid var(--green-deep);
  border-radius: 6px;
  overflow: hidden;
  box-shadow: 0 0 24px rgba(53, 255, 158, 0.12);
  touch-action: manipulation;
}
.tile {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1;
  background-size: cover;
  background-position: center;
  cursor: pointer;
  user-select: none;
}
.tile.selected { outline: 3px solid var(--cyan); outline-offset: -3px; z-index: 2; box-shadow: 0 0 20px var(--cyan); }

.step { display: none; }
.step.active { display: block; }
.step.locked { display: none; }

/* ---- Vittoria ---- */
.win { text-align: center; padding: 6px 0; }
.win .banner {
  margin: 0 0 8px;
  font-size: clamp(22px, 9vw, 40px);
  font-weight: 700;
  letter-spacing: 4px;
}
.win .big { font-size: 46px; margin: 6px 0; }

footer {
  text-align: center;
  color: var(--muted);
  font-size: 11px;
  padding: 20px;
  letter-spacing: 1px;
}