/* enter.hudder.ai — the door. Static, public, holds nothing. */

:root {
  --bg: #04070a;
  --green: #21e065;
  --green-dim: #0f7a37;
  --red: #e0435a;
  --plate: #0a1014;
  --edge: #17323f;
  --text: #b9f2cf;
  --mute: #3f6a55;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: "SFMono-Regular", ui-monospace, "Cascadia Mono", Consolas, monospace;
  overflow-x: hidden;
}

#rain {
  position: fixed;
  inset: 0;
  z-index: 0;
  opacity: 0.28;
  pointer-events: none;
}

main {
  position: relative;
  z-index: 1;
  max-width: 1000px;
  margin: 0 auto;
  padding: 8vh 1.2rem 4rem;
}

header { text-align: center; margin-bottom: 3rem; }

h1 {
  font-size: clamp(1.3rem, 4.2vw, 2.3rem);
  letter-spacing: 0.42em;
  margin: 0 0 0.9rem;
  color: var(--green);
  text-shadow: 0 0 22px rgba(33, 224, 101, 0.45);
}

.sub {
  margin: 0;
  color: var(--mute);
  font-size: 0.82rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

/* --- the plates ------------------------------------------------------ */

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(148px, 1fr));
  gap: 0.85rem;
}

.plate {
  position: relative;
  background: linear-gradient(180deg, #0d151a 0%, var(--plate) 100%);
  border: 1px solid var(--edge);
  border-radius: 7px;
  padding: 0.85rem 0.7rem 0.7rem;
  cursor: pointer;
  text-align: center;
  transition: transform 90ms ease, border-color 120ms ease, box-shadow 120ms ease;
  /* embossed rim, like a stamped plate */
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06),
              inset 0 -1px 0 rgba(0, 0, 0, 0.6);
}

/* the two bolt-holes */
.plate::before, .plate::after {
  content: "";
  position: absolute;
  top: 8px;
  width: 4px; height: 4px;
  border-radius: 50%;
  background: #000;
  box-shadow: inset 0 1px 1px rgba(255,255,255,0.18);
}
.plate::before { left: 10px; }
.plate::after  { right: 10px; }

.plate:hover, .plate:focus-visible {
  transform: translateY(-2px);
  border-color: var(--green-dim);
  box-shadow: 0 0 18px rgba(33, 224, 101, 0.16),
              inset 0 1px 0 rgba(255, 255, 255, 0.06);
  outline: none;
}

.legend {
  font-size: 1.22rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--green);
  margin-bottom: 0.35rem;
  text-shadow: 0 0 10px rgba(33, 224, 101, 0.3);
}

.price { font-size: 0.92rem; color: #cfe9d9; font-variant-numeric: tabular-nums; }

.chg { font-size: 0.72rem; letter-spacing: 0.06em; margin-top: 0.15rem; }
.chg.up { color: var(--green); }
.chg.down { color: var(--red); }
.chg.flat { color: var(--mute); }

/* a price that just changed gets a one-frame flare */
.tick { animation: flare 420ms ease-out; }
@keyframes flare {
  from { color: #fff; text-shadow: 0 0 14px rgba(255,255,255,0.8); }
  to   { color: #cfe9d9; text-shadow: none; }
}

footer { margin-top: 2.6rem; text-align: center; }

.stamp {
  font-size: 0.64rem;
  letter-spacing: 0.28em;
  color: var(--mute);
  border: 1px solid var(--edge);
  border-radius: 3px;
  padding: 0.28rem 0.6rem;
}

/* --- the prompt ------------------------------------------------------ */

.modal {
  position: fixed;
  inset: 0;
  z-index: 10;
  display: grid;
  place-items: center;
  background: rgba(2, 5, 7, 0.86);
  backdrop-filter: blur(2px);
}
.modal[hidden] { display: none; }

.modal-box {
  width: min(420px, 90vw);
  border: 1px solid var(--green-dim);
  background: #050b0e;
  padding: 1.5rem 1.4rem 1.1rem;
  border-radius: 8px;
  box-shadow: 0 0 60px rgba(33, 224, 101, 0.12);
}

.plate-echo {
  text-align: center;
  font-size: 1.35rem;
  letter-spacing: 0.2em;
  color: var(--green);
  margin-bottom: 1.1rem;
}

label { display: block; font-size: 0.8rem; color: var(--text); margin-bottom: 0.5rem; }

input {
  width: 100%;
  background: #020506;
  border: 1px solid var(--edge);
  color: var(--green);
  font-family: inherit;
  font-size: 1rem;
  letter-spacing: 0.24em;
  padding: 0.6rem 0.7rem;
  border-radius: 4px;
}
input:focus { outline: none; border-color: var(--green); }

.hint { font-size: 0.72rem; color: var(--mute); min-height: 2.4em; margin: 0.5rem 0 0; line-height: 1.5; }
/* .deny is a costume: the door opens a moment later regardless. See lore.js. */
.hint.deny { color: var(--red); }
.hint.open { color: var(--green); text-shadow: 0 0 10px rgba(33, 224, 101, 0.5); }

.modal-actions { display: flex; gap: 0.5rem; justify-content: flex-end; align-items: center; margin-top: 1rem; }

/* The escape hatch. Always visible: nobody may ever believe they are trapped
   outside a door that does not lock. */
.slip { margin-right: auto; font-size: 0.72rem; color: var(--mute); text-decoration: none; }
.slip:hover { color: var(--green); }

button {
  font-family: inherit;
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  background: none;
  color: var(--mute);
  border: 1px solid var(--edge);
  border-radius: 4px;
  padding: 0.45rem 0.9rem;
  cursor: pointer;
}
button:hover { color: var(--text); }
button.primary { color: var(--green); border-color: var(--green-dim); }
button.primary:hover { background: rgba(33, 224, 101, 0.08); }

@media (prefers-reduced-motion: reduce) {
  #rain { display: none; }
  .plate, .tick { transition: none; animation: none; }
}