/* philosophershq.com — The Signal
 * Static styles. Console-aesthetic. No build step.
 */

:root {
  --bg: #fafaf6;
  --bg-elevated: #ffffff;
  --fg: #0e0e0c;
  --fg-dim: #5a564b;
  --rule: #d8d4c8;
  --box-border: #b8b2a3;
  --highlight: #fff09a;
  --highlight-text: #1a1500;
  --solved: #2a7a1a;
  --solved-bg: #ecf6e3;
  --wrong: #b03030;
  --link: #6b5a1a;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: "JetBrains Mono", "Menlo", "Consolas", ui-monospace, monospace;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 8vh 24px 0;
}

main {
  width: 100%;
  max-width: 760px;
  display: flex;
  flex-direction: column;
  gap: 48px;
}

.top-message {
  font-size: 28px;
  letter-spacing: 0.04em;
  color: var(--fg);
  text-align: center;
  margin: 0;
  font-weight: 500;
}

.top-message::after {
  content: "";
  display: block;
  width: 64px;
  height: 1px;
  background: var(--rule);
  margin: 24px auto 0;
}

.riddle-meta {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
}

label {
  font-size: 13px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--fg-dim);
}

.riddle-number-input {
  background: var(--bg-elevated);
  border: 1px solid var(--box-border);
  color: var(--fg);
  font-family: inherit;
  font-size: 32px;
  letter-spacing: 0.1em;
  padding: 14px 20px;
  width: 220px;
  outline: none;
  transition: border-color 120ms ease;
}

.riddle-number-input:focus {
  border-color: var(--highlight);
}

.riddle-number-input::placeholder {
  color: var(--fg-dim);
  opacity: 0.4;
}

.riddle-status {
  font-size: 13px;
  color: var(--fg-dim);
  min-height: 18px;
  letter-spacing: 0.04em;
}

.riddle-title {
  font-size: 18px;
  color: var(--fg);
  letter-spacing: 0.06em;
  margin-top: 4px;
}

.riddle-description {
  font-size: 13px;
  color: var(--fg-dim);
  letter-spacing: 0.02em;
  max-width: 600px;
}

.riddle-about {
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--fg-dim);
  opacity: 0.7;
}

.answers {
  display: flex;
  flex-direction: column;
  gap: 36px;
}

.answer-row {
  display: flex;
  flex-direction: column;
  gap: 14px;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 240ms ease, transform 240ms ease;
}

.answer-row.visible {
  opacity: 1;
  transform: none;
}

.answer-row .prompt {
  font-size: 14px;
  color: var(--fg-dim);
  letter-spacing: 0.04em;
  max-width: 720px;
}

.answer-row .question {
  font-size: 14px;
  color: var(--fg);
  letter-spacing: 0.02em;
  max-width: 720px;
  margin-bottom: 4px;
}

.boxes {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.word-gap {
  width: 28px;
  height: 1px;
}

.letter-box {
  width: 48px;
  height: 64px;
  border: 1px solid var(--box-border);
  background: var(--bg-elevated);
  color: var(--fg);
  font-size: 28px;
  font-weight: 500;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: text;
  user-select: none;
  transition: background-color 120ms ease, border-color 120ms ease, color 120ms ease, transform 120ms ease;
  outline: none;
}

.letter-box.active {
  background: var(--highlight);
  color: var(--highlight-text);
  border-color: var(--highlight);
}

.letter-box.solved {
  color: var(--solved);
  border-color: var(--solved);
  background: var(--solved-bg);
  cursor: default;
}

.letter-box.wrong {
  animation: shake 380ms ease;
  border-color: var(--wrong);
  color: var(--wrong);
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20% { transform: translateX(-6px); }
  40% { transform: translateX(6px); }
  60% { transform: translateX(-4px); }
  80% { transform: translateX(4px); }
}

.reward {
  margin-top: 32px;
  padding: 28px;
  border: 1px solid var(--solved);
  background: var(--solved-bg);
  color: var(--fg);
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 360ms ease, transform 360ms ease;
}

.reward.visible {
  opacity: 1;
  transform: none;
}

.reward[hidden] {
  display: none !important;
}

.reward .label {
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--solved);
  margin-bottom: 12px;
}

.reward .value {
  font-size: 20px;
  letter-spacing: 0.04em;
  word-break: break-word;
}

.reward .value a {
  color: var(--link);
  text-decoration: underline;
  text-decoration-color: var(--solved);
  text-underline-offset: 4px;
}

.boot-error {
  margin: 40px 0;
  padding: 24px;
  border: 1px solid var(--wrong);
  background: rgba(176, 48, 48, 0.06);
  color: var(--wrong);
  font-size: 13px;
  letter-spacing: 0.04em;
}

.boot-error[hidden] {
  display: none !important;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

@media (max-width: 540px) {
  body { padding: 6vh 16px 0; }
  main { gap: 32px; }
  .letter-box {
    width: 38px;
    height: 52px;
    font-size: 22px;
  }
  .top-message { font-size: 22px; }
  .riddle-number-input { font-size: 26px; width: 180px; }
}