:root {
  --cream:#f5dfc6;
  --rust:#ff9d57;
  --ink:#140c08;
  --glass:rgba(25,12,6,0.74);
}

* { box-sizing:border-box; -webkit-tap-highlight-color:transparent; }

html,body {
  margin:0;
  min-height:100%;
  font-family: "Trebuchet MS", "Arial", sans-serif;
  overflow-x:hidden;
  background:#000;
  color:var(--cream);
}

body {
  position:relative;
}

.train-bg {
  position:fixed;
  inset:0;
  background:url('assets/IMG_0511.jpeg') center center / cover no-repeat;
  filter:contrast(1.08) saturate(1.08) brightness(0.78);
  transform:scale(1.03);
}

.train-bg::after {
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(to bottom, rgba(0,0,0,0.48), rgba(0,0,0,0.62));
}

.smoke {
  position:fixed;
  inset:0;
  background:radial-gradient(circle at top, rgba(255,157,87,0.08), transparent 40%);
  mix-blend-mode:screen;
  pointer-events:none;
}

.portal {
  position:relative;
  z-index:2;
  min-height:100vh;
  padding:5vh 4vw 14vh;
}

.sign {
  position:relative;
  width:min(78vw, 540px);
  margin-bottom:9vh;
  background:var(--glass);
  border:1px solid rgba(245,223,198,0.16);
  backdrop-filter:blur(6px);
  -webkit-backdrop-filter:blur(6px);
  border-radius:20px;
  padding:18px 20px;
  box-shadow:0 10px 40px rgba(0,0,0,0.48);
  transform:rotate(-1deg);
}

.sign-top { margin-left:4vw; }
.sign-mid { margin-left:auto; margin-right:12vw; transform:rotate(1deg); }
.sign-low { margin-left:10vw; width:min(66vw,460px); }

.kicker {
  display:block;
  font-size:0.62rem;
  letter-spacing:0.22rem;
  opacity:0.72;
  margin-bottom:6px;
}

h1,h2 {
  margin:0;
  font-family:"Marker Felt", "Chalkboard SE", cursive;
  font-weight:400;
  line-height:0.95;
  color:#fff;
  text-shadow:0 0 12px rgba(255,255,255,0.12);
}

h1 {
  font-size:clamp(2.6rem, 8vw, 5rem);
}

h2 {
  font-size:clamp(2rem, 7vw, 4rem);
}

.sign p {
  margin:6px 0 0;
  font-family:"Marker Felt", "Chalkboard SE", cursive;
  font-size:clamp(1.1rem, 3vw, 2rem);
  color:#fff;
}

.mini-controls {
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin-top:16px;
}

.mini-controls button {
  border:none;
  background:rgba(255,157,87,0.92);
  color:#1a100b;
  border-radius:999px;
  padding:8px 14px;
  font-weight:700;
}

.shell-panel {
  position:relative;
  left:auto;
  bottom:auto;
  transform:none;
  width:min(92vw,700px);
  margin: -4vh auto 9vh;
  background:rgba(8,8,8,0.92);
  border:1px solid rgba(255,157,87,0.3);
  border-radius:18px;
  padding:16px;
  display:none;
  z-index:5;
}

.shell-panel.show {
  display:block;
}

.shell-panel b {
  display:block;
  margin-top:12px;
  color:#fff;
}

.shell-panel b:first-child {
  margin-top:0;
}

.shell-panel code {
  display:block;
  margin-top:10px;
  color:#ffb37c;
  white-space:pre-wrap;
  overflow-wrap:anywhere;
  font-size:0.82rem;
}

footer {
  position:fixed;
  left:0;
  right:0;
  bottom:0;
  z-index:4;
  text-align:center;
  padding:10px;
  font-size:0.72rem;
  letter-spacing:0.14rem;
  background:linear-gradient(to top, rgba(0,0,0,0.72), transparent);
}

.toast {
  position:fixed;
  top:18px;
  right:18px;
  background:rgba(255,157,87,0.9);
  color:#1a100b;
  padding:10px 14px;
  border-radius:999px;
  font-weight:700;
  opacity:0;
  transform:translateY(-10px);
  transition:all 0.25s ease;
  z-index:10;
}

.toast.show {
  opacity:1;
  transform:translateY(0);
}

textarea {
  width: 100%;
  min-height: 82px;
  margin-top: 14px;
  padding: 12px;
  resize: vertical;
  border-radius: 14px;
  border: 1px solid rgba(255,157,87,0.35);
  background: rgba(0,0,0,0.42);
  color: #fff;
  font: inherit;
}

textarea::placeholder {
  color: rgba(255,255,255,0.58);
}

.helper-note {
  font-size: 0.82rem !important;
  font-family: inherit !important;
  opacity: 0.82;
}

.prompt-line {
  margin: 8px 0 12px;
  padding: 8px 10px;
  border-radius: 10px;
  background: rgba(255,255,255,0.08);
  color: #fff;
  font-size: 0.84rem;
  white-space: pre-wrap;
}

#generated-command {
  user-select: all;
  -webkit-user-select: all;
  border: 1px solid rgba(255,157,87,0.35);
  background: rgba(0,0,0,0.62);
  padding: 12px;
  border-radius: 12px;
}

.legal-note {
  font-family: inherit !important;
  font-size: 0.72rem !important;
  opacity: 0.72;
  margin-top: 12px !important;
}

.copy-btn,
.format-btn {
  touch-action: manipulation;
}

.format-btn.active {
  outline: 2px solid #fff;
  box-shadow: 0 0 12px rgba(255,255,255,0.35);
}

.copy-btn {
  background: #fff !important;
}

@media (max-width:700px) {
  .portal {
    padding-top:3vh;
  }

  .sign,
  .sign-top,
  .sign-mid,
  .sign-low {
    width:92%;
    margin-left:auto;
    margin-right:auto;
  }

  .shell-panel {
    width:92%;
    margin-top:-2vh;
  }
}