/*
 * minitel.css - the web Minitel terminal.
 * Part of the MGT Unicorn Suite. AGPLv3 or later, see /COPYING.
 *
 * No web fonts, no external anything: system fonts only.
 * Key colours are the Suite tab's (src/minitel_view.c): function keys
 * light brown RGB(205,170,125) with a RGB(95,70,45) edge, ENVOI light
 * green RGB(165,208,128), each a darker shade while pressed.
 */

:root {
  --page: #16130f;
  --panel: #221d17;
  --panel-edge: #3a3128;
  --bezel: #0b0a09;
  --text: #e8e0d4;
  --muted: #a89c8b;
  --link: #e6c08e;
  --brown: rgb(205, 170, 125);
  --brown-down: rgb(170, 135, 95);
  --green: rgb(165, 208, 128);
  --green-down: rgb(130, 175, 95);
  --key-edge: rgb(95, 70, 45);
  --num: #d9d6d0;
  --num-down: #aaa69f;
  --num-edge: #5d5a55;
  --focus: #f3c969;
  color-scheme: dark;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  background: var(--page);
  color: var(--text);
  font: 15px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  -webkit-text-size-adjust: 100%;
}

.term {
  max-width: 1000px;
  margin: 0 auto;
  padding: 12px 16px 24px;
}

.masthead { text-align: center; margin: 4px 0 12px; }
.masthead h1 {
  margin: 0;
  font-size: clamp(17px, 3.4vw, 24px);
  letter-spacing: 0.08em;
  font-weight: 700;
}
.masthead p { margin: 2px 0 0; color: var(--muted); font-size: 13px; }

/* The screen. The canvas's CSS size is set by minitel.js so that one
 * canvas pixel is one device pixel at an integer scale. */
.bezel {
  background: var(--bezel);
  border: 1px solid var(--panel-edge);
  border-radius: 14px;
  padding: 10px;
  box-shadow: inset 0 0 24px rgba(0, 0, 0, 0.9);
}
.screen-wrap {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 120px;
}
#screen {
  display: block;
  background: #000;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
  outline: none;
  cursor: text;
  touch-action: manipulation;
}
#screen:focus-visible { box-shadow: 0 0 0 2px var(--focus); }
.term.idle #screen { cursor: pointer; }

.start {
  position: absolute;
  inset: 0;
  margin: auto;
  width: min(86%, 420px);
  height: fit-content;
  display: none;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 18px 16px;
  background: rgba(0, 0, 0, 0.72);
  color: #fff;
  border: 2px solid var(--brown);
  border-radius: 10px;
  font: inherit;
  cursor: pointer;
}
.term.show-start .start { display: flex; }
.start-title { font-size: 13px; letter-spacing: 0.3em; color: var(--brown); text-transform: uppercase; }
.start-go { font-size: 22px; font-weight: 700; }
.start-hint { font-size: 13px; color: #cfc6b8; }
.term.connecting .start { border-color: var(--green); }

.status {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  min-height: 1.45em;
  margin: 8px 4px 10px;
  font-size: 13px;
  color: var(--muted);
}
#statusText { color: var(--text); }
.counts { font-variant-numeric: tabular-nums; text-align: right; white-space: pre-wrap; }

/* Controls */
.controls {
  background: var(--panel);
  border: 1px solid var(--panel-edge);
  border-radius: 12px;
  padding: 12px;
}

.toprow {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px 16px;
  margin-bottom: 12px;
}

.key {
  appearance: none;
  -webkit-appearance: none;
  font: 600 13px/1 system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  letter-spacing: 0.02em;
  color: #000;
  border-radius: 6px;
  min-height: 42px;
  padding: 0 6px;
  cursor: pointer;
  user-select: none;
  -webkit-user-select: none;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}
.fk { background: var(--brown); border: 1px solid var(--key-edge); }
.fk:active, .fk.down { background: var(--brown-down); }
.fk.envoi { background: var(--green); }
.fk.envoi:active, .fk.envoi.down { background: var(--green-down); }
.num {
  background: var(--num);
  border: 1px solid var(--num-edge);
  font-size: 18px;
  font-weight: 600;
}
.num:active, .num.down { background: var(--num-down); }
.key:active, .key.down { transform: translateY(1px); }

.cnx { min-width: 170px; flex: 0 1 240px; }

.toggles { display: flex; gap: 18px; flex-wrap: wrap; }
.toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  user-select: none;
  -webkit-user-select: none;
  min-height: 32px;
}
.toggle input {
  appearance: none;
  -webkit-appearance: none;
  width: 34px;
  height: 20px;
  margin: 0;
  border-radius: 10px;
  background: #4a4238;
  position: relative;
  cursor: pointer;
  transition: background 0.15s;
}
.toggle input::after {
  content: "";
  position: absolute;
  top: 2px;
  left: 2px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: #cfc6b8;
  transition: left 0.15s;
}
.toggle input:checked { background: var(--brown); }
.toggle input:checked::after { left: 16px; background: #fff; }

.keys {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(0, 1fr);
  gap: 16px;
  align-items: start;
}
.fkeys {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}
.pad {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

.legend {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 18px;
  margin: 14px 0 0;
  padding-top: 10px;
  border-top: 1px solid var(--panel-edge);
  font-size: 12.5px;
  color: var(--muted);
}
.legend div { display: flex; gap: 6px; }
.legend dt {
  margin: 0;
  color: var(--text);
  font-weight: 600;
}
.legend dd { margin: 0; }

.credits {
  margin-top: 18px;
  font-size: 12.5px;
  color: var(--muted);
  text-align: center;
}
.credits p { margin: 4px 0; }
.credits a { color: var(--link); }

.noscript { max-width: 640px; margin: 24px auto; padding: 0 16px; }

/* Phones: keys stack, pad under the function keys. */
@media (max-width: 640px) {
  .term { padding: 8px 10px 20px; }
  .bezel { padding: 6px; border-radius: 10px; }
  .keys { grid-template-columns: 1fr; gap: 12px; }
  .key { min-height: 46px; }
  .cnx { flex: 1 1 100%; }
  .toprow { margin-bottom: 10px; }
  .counts { display: none; }
  .legend { font-size: 12px; gap: 2px 14px; }
}