/* Codebreaker escape room -- shared styling for all three surfaces. */

:root {
  --bg: #070a0f;
  --panel: #0d131c;
  --panel-2: #121a26;
  --line: #1e2937;
  --line-bright: #2e3f54;
  --ink: #e8eef5;
  --dim: #7f8fa3;
  --dimmer: #4d5b6d;
  --amber: #ffb84d;
  --green: #5ce08a;
  --cyan: #4dd2ff;
  --red: #ff7a70;

  --mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, system-ui, sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  -webkit-text-size-adjust: 100%;
}

body {
  background-image:
    radial-gradient(ellipse 80% 50% at 50% -10%, rgba(77, 210, 255, 0.07), transparent),
    radial-gradient(ellipse 60% 40% at 50% 110%, rgba(255, 184, 77, 0.05), transparent);
  background-attachment: fixed;
  min-height: 100vh;
}

a { color: var(--cyan); }

.eyebrow {
  font-family: var(--mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.24em;
  color: var(--dim);
}

.classification {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  padding: 0.3em 0.7em;
  border: 1px solid var(--amber);
  color: var(--amber);
  border-radius: 2px;
}

/* ---------------------------------------------------------------- shell */

.shell {
  max-width: 1100px;
  margin: 0 auto;
  padding: clamp(1rem, 3vw, 2.5rem);
}

.masthead {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
  align-items: baseline;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
  padding-bottom: 1rem;
  margin-bottom: 1.75rem;
}

.masthead h1 {
  margin: 0;
  font-family: var(--mono);
  font-size: clamp(1.1rem, 2.4vw, 1.5rem);
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.panel {
  background: linear-gradient(180deg, var(--panel), var(--bg));
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: clamp(1rem, 2.5vw, 1.75rem);
}

.panel + .panel { margin-top: 1.25rem; }

.panel > h2, .panel > h3 {
  margin: 0 0 1rem;
  font-family: var(--mono);
  font-size: 0.85rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--dim);
}

/* ------------------------------------------------------- team terminals */

.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
  gap: 1rem;
}

.team-card {
  display: block;
  text-decoration: none;
  color: inherit;
  background: var(--panel);
  border: 1px solid var(--line);
  border-left: 3px solid var(--amber);
  border-radius: 5px;
  padding: 1.1rem 1.2rem;
  transition: border-color 0.15s, transform 0.15s, background 0.15s;
}

.team-card:hover,
.team-card:focus-visible {
  background: var(--panel-2);
  border-color: var(--line-bright);
  border-left-color: var(--cyan);
  transform: translateY(-2px);
}

.team-card .callsign {
  font-family: var(--mono);
  font-size: 1.5rem;
  letter-spacing: 0.12em;
  margin: 0.15rem 0 0.35rem;
}

.team-card .cipher-name { color: var(--cyan); font-size: 0.95rem; }
.team-card .tier { color: var(--dimmer); font-size: 0.8rem; font-family: var(--mono); }

.team-card .url {
  margin-top: 0.85rem;
  padding-top: 0.7rem;
  border-top: 1px dashed var(--line);
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--dim);
  word-break: break-all;
  user-select: all;
}

.note { color: var(--dim); font-size: 0.9rem; line-height: 1.6; }

/* --------------------------------------------------------- task (iPad) */

body.task { font-size: 17px; }

.task-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.6rem 1.25rem;
  justify-content: space-between;
  margin-bottom: 1.5rem;
}

.task-head .callsign {
  margin: 0;
  font-family: var(--mono);
  font-size: clamp(1.8rem, 5vw, 2.6rem);
  letter-spacing: 0.1em;
}

.task-head .cipher-name {
  font-family: var(--mono);
  color: var(--cyan);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-size: clamp(0.85rem, 2vw, 1rem);
}

.intro {
  font-size: clamp(1.05rem, 2.3vw, 1.25rem);
  line-height: 1.55;
  margin: 0 0 1.5rem;
}

.steps { margin: 0; padding-left: 1.4rem; line-height: 1.65; }
.steps li { margin-bottom: 0.5rem; }
.steps li:last-child { margin-bottom: 0; }

.fragment {
  border: 1px solid var(--line-bright);
  border-radius: 6px;
  background:
    repeating-linear-gradient(0deg, rgba(92, 224, 138, 0.03) 0 2px, transparent 2px 4px),
    var(--panel);
  padding: clamp(1rem, 3vw, 1.75rem);
  margin: 1.5rem 0;
}

.ciphertext {
  font-family: var(--mono);
  color: var(--green);
  font-size: clamp(1.4rem, 4.2vw, 2.4rem);
  line-height: 1.5;
  letter-spacing: 0.1em;
  word-spacing: 0.5em;
  overflow-wrap: break-word;
  margin: 0;
}

.ciphertext.dense {
  font-size: clamp(1.05rem, 2.8vw, 1.6rem);
  letter-spacing: 0.06em;
}

.parameter {
  display: inline-flex;
  align-items: baseline;
  gap: 0.6rem;
  border: 1px dashed var(--amber);
  border-radius: 4px;
  padding: 0.55rem 0.9rem;
  margin-bottom: 1.25rem;
  font-family: var(--mono);
}

.parameter .label {
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--dim);
}

.parameter .value { font-size: 1.5rem; color: var(--amber); }

/* reference material */

.mirror-strip {
  display: grid;
  grid-template-columns: repeat(13, 1fr);
  gap: 3px;
  font-family: var(--mono);
}

.mirror-strip .pair {
  text-align: center;
  border: 1px solid var(--line);
  border-radius: 3px;
  padding: 0.35rem 0.1rem;
  background: var(--panel-2);
}

.mirror-strip .top { display: block; font-size: 1.1rem; }
.mirror-strip .bottom { display: block; font-size: 1.1rem; color: var(--amber); }
.mirror-strip .sep { display: block; font-size: 0.6rem; color: var(--dimmer); line-height: 1; }

.morse-chart {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(92px, 1fr));
  gap: 4px;
  font-family: var(--mono);
}

.morse-chart .row {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  border: 1px solid var(--line);
  border-radius: 3px;
  padding: 0.35rem 0.55rem;
  background: var(--panel-2);
}

.morse-chart .letter { font-size: 1.05rem; color: var(--amber); }
.morse-chart .code { letter-spacing: 0.1em; }

.polybius { border-collapse: collapse; font-family: var(--mono); margin: 0 auto; }

.polybius th, .polybius td {
  border: 1px solid var(--line-bright);
  width: clamp(2.4rem, 9vw, 3.4rem);
  height: clamp(2.4rem, 9vw, 3.4rem);
  text-align: center;
  font-size: clamp(1.1rem, 3.5vw, 1.6rem);
}

.polybius th { color: var(--amber); border-color: var(--line); background: var(--panel-2); }
.polybius td { background: var(--bg); }

.blank-grid {
  display: grid;
  gap: 0;
  margin: 0 auto;
  width: max-content;
  border: 1px solid var(--line-bright);
}

.blank-grid .cell {
  border: 1px solid var(--line);
  width: clamp(2rem, 7vw, 2.8rem);
  height: clamp(2rem, 7vw, 2.8rem);
}

.pigpen-line {
  display: flex;
  flex-direction: column;
  gap: clamp(0.6rem, 2vh, 1.1rem);
  color: var(--green);
}

.pigpen-word { display: flex; flex-wrap: wrap; gap: clamp(0.3rem, 1.4vw, 0.7rem); }

.pigpen-glyph {
  width: clamp(28px, 6vw, 46px);
  height: clamp(28px, 6vw, 46px);
  display: block;
}

.pigpen-keys {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 1rem;
  justify-items: center;
}

.pigpen-key { width: 100%; max-width: 165px; height: auto; }

.audio-controls { display: flex; gap: 0.6rem; flex-wrap: wrap; margin-top: 1rem; }

/* ------------------------------------------------------------- buttons */

.btn {
  font-family: var(--mono);
  font-size: 0.8rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink);
  background: var(--panel-2);
  border: 1px solid var(--line-bright);
  border-radius: 4px;
  padding: 0.6rem 1rem;
  cursor: pointer;
  transition: background 0.12s, border-color 0.12s, color 0.12s;
}

.btn:hover { background: #1a2532; border-color: var(--cyan); }
.btn:active { transform: translateY(1px); }
.btn.primary { border-color: var(--amber); color: var(--amber); }
.btn.primary:hover { background: rgba(255, 184, 77, 0.12); }
.btn.on { border-color: var(--green); color: var(--green); background: rgba(92, 224, 138, 0.1); }
.btn.danger { border-color: var(--red); color: var(--red); }
.btn.small { padding: 0.35rem 0.6rem; font-size: 0.7rem; }

/* -------------------------------------------------------------- the TV */

body.tv { min-height: 100vh; overflow: auto; }

.tv-stage {
  width: 100%;
  min-height: 100vh;
  padding: clamp(1rem, 3vh, 2.5rem) clamp(1rem, 3vw, 3rem);
  display: flex;
  align-items: center;
  justify-content: center;
}

.screen { display: none; width: 100%; max-width: 1600px; }
.screen.is-active { display: block; animation: fade-in 0.45s ease both; }

@keyframes fade-in {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: none; }
}

.tv-title {
  font-family: var(--mono);
  font-size: clamp(1.6rem, 4.5vw, 3.6rem);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin: 0 0 0.4em;
  line-height: 1.05;
}

.tv-sub {
  font-family: var(--mono);
  font-size: clamp(0.8rem, 1.5vw, 1.1rem);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--dim);
  margin: 0 0 1.5rem;
}

/* Sized off viewport height as well as width: a 16:9 TV is short, and the
   briefing has to fit on screen without scrolling at any sane resolution. */
.briefing-body { max-width: min(70ch, 62vw); }

.briefing-body p {
  font-size: clamp(1rem, min(2.1vw, 3.4vh), 2.1rem);
  line-height: 1.45;
  margin: 0 0 0.7em;
}

.briefing-footer {
  margin-top: 1.5rem;
  font-family: var(--mono);
  color: var(--green);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-size: clamp(0.8rem, 1.5vw, 1.1rem);
}

.cursor {
  display: inline-block;
  width: 0.6em;
  height: 1em;
  background: var(--green);
  vertical-align: text-bottom;
  animation: blink 1.1s steps(1) infinite;
}

@keyframes blink { 50% { opacity: 0; } }

/* key chart */

.chart { display: grid; grid-template-columns: repeat(13, 1fr); gap: clamp(3px, 0.6vw, 8px); }

.chart-cell {
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--panel);
  padding: clamp(0.25rem, 0.8vh, 0.6rem) 0;
  text-align: center;
  font-family: var(--mono);
  transition: background 0.3s, border-color 0.3s;
}

.chart-cipher {
  display: block;
  font-size: clamp(0.65rem, 1.1vw, 1rem);
  color: var(--dim);
  letter-spacing: 0.05em;
}

.chart-plain {
  display: block;
  font-size: clamp(1.4rem, 3.4vw, 2.9rem);
  line-height: 1.1;
  color: var(--dimmer);
}

.chart-cell.is-revealed {
  border-color: var(--amber);
  background: rgba(255, 184, 77, 0.1);
  animation: pop 0.5s ease;
}

.chart-cell.is-revealed .chart-plain { color: var(--amber); }

@keyframes pop {
  0% { transform: scale(0.9); box-shadow: 0 0 0 0 rgba(255, 184, 77, 0.6); }
  60% { transform: scale(1.04); }
  100% { transform: none; box-shadow: 0 0 0 14px rgba(255, 184, 77, 0); }
}

.chart-progress {
  font-family: var(--mono);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--dim);
  font-size: clamp(0.75rem, 1.3vw, 1rem);
  margin-top: 1.25rem;
}

.chart-progress b { color: var(--green); }

/* final transmission */

.final-layout { display: grid; gap: clamp(1rem, 3vh, 2rem); }

.final-cipher {
  font-family: var(--mono);
  color: var(--green);
  font-size: clamp(1.3rem, 3.8vw, 3.2rem);
  line-height: 1.45;
  letter-spacing: 0.12em;
  display: flex;
  flex-wrap: wrap;
  gap: 0 1.1em;
  border: 1px solid var(--line-bright);
  border-radius: 6px;
  background:
    repeating-linear-gradient(0deg, rgba(92, 224, 138, 0.04) 0 2px, transparent 2px 4px),
    var(--panel);
  padding: clamp(0.8rem, 2.5vh, 1.6rem) clamp(1rem, 2.5vw, 1.8rem);
}

.final-cipher .word { white-space: nowrap; }

.final-chart-label {
  font-family: var(--mono);
  font-size: clamp(0.7rem, 1.2vw, 0.95rem);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--dim);
  margin-bottom: 0.6rem;
}

/* celebration */

.celebration { text-align: center; }
.celebration .tv-title { color: var(--green); animation: glow 2.4s ease-in-out infinite; }

@keyframes glow {
  0%, 100% { text-shadow: 0 0 24px rgba(92, 224, 138, 0.35); }
  50% { text-shadow: 0 0 46px rgba(92, 224, 138, 0.7); }
}

.celebration .briefing-body { margin: 0 auto; text-align: left; }

.stamp {
  display: inline-block;
  margin-top: 1.5rem;
  border: 3px solid var(--green);
  color: var(--green);
  font-family: var(--mono);
  letter-spacing: 0.3em;
  text-transform: uppercase;
  padding: 0.6rem 1.4rem;
  font-size: clamp(0.9rem, 2vw, 1.5rem);
  transform: rotate(-3deg);
  border-radius: 4px;
}

.offline {
  font-family: var(--mono);
  color: var(--red);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  font-size: 0.75rem;
  opacity: 0;
  transition: opacity 0.3s;
}

.offline.is-visible { opacity: 1; }

/* ------------------------------------------------------- control panel */

body.control { font-size: 15px; }

.control-grid { display: grid; gap: 1.25rem; }

.flash { display: grid; gap: 0.5rem; margin-bottom: 1.25rem; }

.flash div {
  border-left: 3px solid var(--cyan);
  background: var(--panel);
  padding: 0.7rem 1rem;
  border-radius: 3px;
  font-size: 0.9rem;
}

.flash div.error { border-left-color: var(--red); }
.flash div.success { border-left-color: var(--green); }

.screen-switch { display: flex; flex-wrap: wrap; gap: 0.5rem; }

.answer-box {
  font-family: var(--mono);
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 0.7rem 0.9rem;
  font-size: 1.05rem;
  overflow-wrap: break-word;
}

.answer-box.plain { color: var(--amber); }
.answer-box.cipher { color: var(--green); font-size: 0.9rem; }

.kv { display: grid; grid-template-columns: max-content 1fr; gap: 0.4rem 1rem; font-size: 0.9rem; }

.kv dt {
  color: var(--dim);
  font-family: var(--mono);
  text-transform: uppercase;
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  padding-top: 0.2em;
}

.kv dd { margin: 0; }

.task-row { border: 1px solid var(--line); border-radius: 5px; background: var(--panel); padding: 1rem 1.1rem; }
.task-row.is-verified { border-left: 3px solid var(--green); }
.task-row.is-unverified { border-left: 3px solid var(--line-bright); }

.task-row header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem 1rem;
  justify-content: space-between;
  margin-bottom: 0.8rem;
}

.task-row h3 { margin: 0; font-family: var(--mono); letter-spacing: 0.1em; font-size: 1.1rem; }
.task-row .cipher-name { color: var(--cyan); font-size: 0.85rem; font-family: var(--mono); }

.mapping-list { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 0.8rem; }

.mapping-chip {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  border: 1px solid var(--line-bright);
  border-radius: 4px;
  padding: 0.35rem 0.5rem 0.35rem 0.7rem;
  font-family: var(--mono);
  background: var(--bg);
}

.mapping-chip.is-revealed { border-color: var(--amber); background: rgba(255, 184, 77, 0.08); }
.mapping-chip .pair { font-size: 1rem; }
.mapping-chip.is-revealed .pair { color: var(--amber); }

.held-back { display: flex; flex-wrap: wrap; gap: 0.4rem; }

.letter-chip {
  font-family: var(--mono);
  border: 1px dashed var(--red);
  color: var(--red);
  border-radius: 3px;
  padding: 0.25rem 0.55rem;
  font-size: 1rem;
}

.field { display: grid; gap: 0.5rem; }

.field label {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--dim);
}

.field textarea {
  font-family: var(--mono);
  font-size: 1.1rem;
  color: var(--ink);
  background: var(--bg);
  border: 1px solid var(--line-bright);
  border-radius: 4px;
  padding: 0.8rem 0.9rem;
  resize: vertical;
  min-height: 5.5rem;
}

.field textarea:focus { outline: 2px solid var(--cyan); outline-offset: 1px; }

.inline-form { display: inline; }

.url-list { font-family: var(--mono); font-size: 0.78rem; color: var(--dim); display: grid; gap: 0.3rem; }
.url-list b { color: var(--ink); }

@media (max-width: 640px) {
  .chart { grid-template-columns: repeat(7, 1fr); }
  .mirror-strip { grid-template-columns: repeat(7, 1fr); }
}

.polybius .ij { font-size: 0.55em; color: var(--dim); vertical-align: super; }