/* ═══════════════════════════════════════════════════════════════
   TELERX-25 — Estilos Terminal Teclado-Puro
   Visual: VT100 / fósforo verde dos anos 80.
   Sem mouse na interface do operador. Tudo via teclado.
   ═══════════════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Share+Tech+Mono&display=swap');

/* ── Variáveis ───────────────────────────────────────────────── */
:root {
  --bg:          #070c07;
  --bg-input:    #040604;
  --green:       #33ff33;
  --green-dim:   #1a7a1a;
  --green-mid:   #22cc22;
  --green-pale:  #b8e8b8;
  --amber:       #ffb000;
  --amber-dim:   #7a5000;
  --fault:       #ff2222;
  --fault-dim:   #5a1010;
  --cyan:        #00ffee;
  --blue:        #4488ff;
  --border:      #143214;
  --border-hi:   #236823;
  --font:        'Share Tech Mono', 'Courier New', Courier, monospace;
  --glow-g:      0 0 7px rgba(51,255,51,0.4), 0 0 14px rgba(51,255,51,0.15);
  --glow-a:      0 0 7px rgba(255,176,0,0.45);
  --glow-f:      0 0 8px rgba(255,34,34,0.5);
  --glow-c:      0 0 7px rgba(0,255,238,0.4);
}

/* ── Reset ───────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  height: 100%;
  background: var(--bg);
  color: var(--green);
  font-family: var(--font);
  font-size: 14px;
  line-height: 1.5;
  overflow: hidden;
}

/* ── Container do conteúdo do terminal ─────────────────────────
   Sem max-width: o conteúdo ocupa toda a largura disponível. */
.t-inner {
  width: 100%;
}

/* ── CRT: scanlines ─────────────────────────────────────────── */
body::before {
  content: '';
  position: fixed; inset: 0;
  background: repeating-linear-gradient(
    0deg, transparent, transparent 2px,
    rgba(0,0,0,0.06) 2px, rgba(0,0,0,0.06) 4px
  );
  pointer-events: none;
  z-index: 9000;
}

/* ── CRT: vinheta ───────────────────────────────────────────── */
body::after {
  content: '';
  position: fixed; inset: 0;
  background: radial-gradient(ellipse at center, transparent 50%, rgba(0,0,0,0.5) 100%);
  pointer-events: none;
  z-index: 9001;
}

/* ── Utilitários ─────────────────────────────────────────────── */
.hidden { display: none !important; }
.blink  { animation: blink 1s step-end infinite; }

@keyframes blink {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0; }
}

/* Foco visível (acessibilidade) */
:focus-visible { outline: 2px solid var(--green); outline-offset: 2px; }

/* Screen-reader only */
.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

/* ════════════════════════════════════════════════════════════════
   DISCLAIMER — estilo "tela de boot" de terminal
   ════════════════════════════════════════════════════════════════ */
#disclaimer {
  position: fixed; inset: 0;
  background: var(--bg);
  display: flex; align-items: center; justify-content: center;
  z-index: 500; padding: 20px; overflow-y: auto;
}

#disc-box {
  border: 2px solid var(--border-hi);
  box-shadow: var(--glow-g), inset 0 0 40px rgba(51,255,51,0.02);
  max-width: 680px; width: 100%;
  padding: 30px 36px;
  background: #040804;
}

/* Linhas de boot */
.disc-boot {
  margin-bottom: 20px;
  font-size: 12px;
  color: var(--green-dim);
  letter-spacing: 0.04em;
}
.boot-line { margin-bottom: 3px; }
.boot-warn { color: var(--amber); text-shadow: var(--glow-a); margin-top: 8px; }

.disc-title {
  font-size: 17px;
  letter-spacing: 0.12em;
  color: var(--amber);
  text-shadow: var(--glow-a);
  margin-bottom: 16px;
  text-transform: uppercase;
}

.disc-text p {
  margin-bottom: 11px;
  color: var(--green-pale);
  font-size: 13px;
  line-height: 1.7;
}
.disc-text strong { color: var(--amber); }
.disc-small { font-size: 11px !important; color: var(--green-dim) !important; }

.disc-check {
  margin: 18px 0;
  padding: 10px 14px;
  border: 1px solid var(--border);
}
.disc-check label {
  display: flex; align-items: center; gap: 10px;
  cursor: pointer; color: var(--green); font-size: 13px;
}
.disc-check input[type="checkbox"] {
  width: 15px; height: 15px;
  accent-color: var(--green); cursor: pointer; flex-shrink: 0;
}

#btn-play {
  display: block; width: 100%; padding: 12px;
  background: transparent;
  border: 2px solid var(--border-hi);
  color: var(--green); font-family: var(--font); font-size: 15px;
  letter-spacing: 0.12em; cursor: pointer;
  text-shadow: var(--glow-g);
  transition: background 0.2s, box-shadow 0.2s;
  text-transform: uppercase;
}
#btn-play:not(:disabled):hover {
  background: rgba(51,255,51,0.08); box-shadow: var(--glow-g);
}
#btn-play:disabled {
  opacity: 0.28; cursor: not-allowed;
  border-color: var(--border); color: var(--green-dim); text-shadow: none;
}

.disc-refs {
  margin-top: 16px; font-size: 11px; color: var(--green-dim);
}
.disc-refs summary { cursor: pointer; padding: 4px 0; }
.disc-refs summary:hover { color: var(--green); }
.disc-refs ul { list-style: none; margin-top: 8px; padding-left: 8px; }
.disc-refs li { margin-bottom: 4px; }
.disc-refs a  { color: var(--green-dim); text-decoration: underline; }
.disc-refs a:hover { color: var(--green); }

/* ════════════════════════════════════════════════════════════════
   CONSOLE PRINCIPAL
   ════════════════════════════════════════════════════════════════ */
#console {
  height: 100vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

#term-wrap {
  display: flex;
  flex: 1;
  overflow: hidden;
  min-height: 0;
}

/* ════════════════════════════════════════════════════════════════
   TELA DO OPERADOR — renderizada por Terminal.render()
   ════════════════════════════════════════════════════════════════ */
#screen {
  flex: 1;
  overflow-y: auto;
  padding: 10px 32px 8px;
  background: var(--bg);
  cursor: default;           /* sem cursor de texto — é teclado puro */
  outline: none;             /* foco visual gerenciado por .screen-focused */
  min-width: 0;
  font-size: 18px;
  line-height: 1.5;
}

#screen::-webkit-scrollbar { width: 5px; }
#screen::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }

/* Indicador de foco na tela (substitui outline) */
#screen.screen-focused {
  box-shadow: inset 0 0 0 1px rgba(51,255,51,0.15);
}

/* ── Linhas genéricas do terminal ────────────────────────────── */
.t-row { display: flex; align-items: baseline; min-height: 1.55em; }

.t-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--green-dim);
  font-size: 16px;
  letter-spacing: 0.05em;
  margin-bottom: 2px;
}
.t-sys-name { color: var(--amber); text-shadow: var(--glow-a); letter-spacing: 0.12em; }
.t-clock    { color: var(--green-dim); }

/* Separadores — overflow: hidden garante preenchimento exato da largura */
.t-sep-thick {
  color: var(--green-dim);
  font-size: 18px;
  letter-spacing: 0;
  line-height: 1.3;
  overflow: hidden;
  white-space: nowrap;
  margin: 2px 0;
}
.t-sep-thin {
  color: var(--border-hi);
  font-size: 18px;
  letter-spacing: 0;
  line-height: 1.3;
  overflow: hidden;
  white-space: nowrap;
  margin: 1px 0;
}
.t-blank { height: 0.6em; }

/* Cabeçalho das colunas de parâmetros */
.t-col-title-row {
  font-size: 16px;
  color: var(--green-dim);
  letter-spacing: 0.06em;
  margin-bottom: 0;
}
.t-col-headers {
  display: flex;
  align-items: baseline;
  margin-bottom: 1px;
  padding: 0;
}
/* Placeholders invisíveis que espelham fr-marker, fr-label, fr-input
   garantindo que PRESCRITO/CONFIRMADO fiquem alinhados com as colunas de dados. */
.t-col-invis { visibility: hidden; }
.t-col-p-label {
  width: 10ch; flex-shrink: 0;
  font-size: 16px; color: var(--green-dim); letter-spacing: 0.06em;
}
.t-col-c-label {
  width: 10ch; flex-shrink: 0;
  font-size: 16px; color: var(--green-dim); letter-spacing: 0.06em;
}

/* ── Field rows ──────────────────────────────────────────────── */
.field-row {
  display: flex;
  align-items: baseline;
  padding: 1px 0;
  border-left: 2px solid transparent;
  transition: border-color 0.1s, background 0.1s;
}
.field-row.fr-active {
  border-left-color: var(--green);
  background: rgba(51,255,51,0.04);
}

/* marker: ► ou espaço */
.fr-marker {
  width: 2ch;
  flex-shrink: 0;
  color: var(--green);
  font-size: 18px;
}

/* label do campo */
.fr-label {
  flex-shrink: 0;
  color: var(--green-dim);
  font-size: 18px;
}

/* dots de alinhamento .....: */
.fr-dots {
  color: var(--border-hi);
  flex-shrink: 0;
  font-size: 18px;
}

/* área de input (buffer + cursor + underscores) */
.fr-input {
  width: 10ch;
  flex-shrink: 0;
  color: var(--green);
  font-size: 18px;
}

.fr-buf    { color: var(--green); }
.fr-cursor { color: var(--green); text-shadow: var(--glow-g); }
.fr-under  { color: var(--green-dim); }
.fr-val    { color: var(--green); }

/* colunas PRESCRITO / CONFIRMADO */
.fr-spacer     { width: 2ch; flex-shrink: 0; }

.fr-prescribed {
  width: 10ch;
  flex-shrink: 0;
  color: var(--green);
  font-size: 18px;
}

.fr-confirmed  {
  width: 10ch;
  flex-shrink: 0;
  color: var(--green-dim);
  font-size: 18px;
}

/* MISMATCH: PRESCRITO ≠ CONFIRMADO — o bug visual do Therac-25 */
.fr-confirmed.mismatch {
  color: var(--amber);
  text-shadow: var(--glow-a);
}

.fr-empty { color: var(--border-hi); }

/* hint (visível só no campo ativo, abaixo do campo) */
.fr-hint {
  font-size: 14px;
  color: var(--amber-dim);
  padding-left: 30ch;   /* 2ch marker + 26ch label + 2ch offset */
  margin-top: -1px;
  letter-spacing: 0.03em;
}

/* ── Barra de status ─────────────────────────────────────────── */
.t-status-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 16px;
  padding: 1px 0;
}
.t-state-label { color: var(--green-dim); }
.t-state       { font-size: 18px; letter-spacing: 0.06em; }
.t-timer       { color: var(--green-dim); font-size: 15px; }

/* Estados */
.st-idle       { color: var(--green-mid); }
.st-config     { color: var(--green); text-shadow: var(--glow-g); }
.st-validating { color: var(--amber); animation: pulse 0.8s ease-in-out infinite alternate; }
.st-armed      { color: var(--amber); text-shadow: var(--glow-a); }
.st-executing  { color: var(--cyan);  text-shadow: var(--glow-c);
                 animation: pulse 0.6s ease-in-out infinite alternate; }
.st-result     { color: var(--green); text-shadow: var(--glow-g); }
.st-fault      { color: var(--fault); text-shadow: var(--glow-f);
                 animation: blink 0.45s step-end infinite; }

@keyframes pulse { from { opacity: 0.65; } to { opacity: 1; } }

/* ── Seção de log ────────────────────────────────────────────── */
.t-log-hdr {
  font-size: 16px;
  color: var(--green-dim);
  letter-spacing: 0.06em;
  margin-bottom: 1px;
}

.t-log-line {
  font-size: 16px;
  line-height: 1.6;
  padding: 0;
  white-space: pre-wrap;
  word-break: break-word;
}

.t-log-empty { font-size: 16px; color: var(--green-dim); font-style: normal; }

.t-log-info        .ll-type { color: var(--green); }
.t-log-info        .ll-msg  { color: var(--green-pale); }
.t-log-warn        .ll-type { color: var(--amber); }
.t-log-warn        .ll-msg  { color: var(--amber); }
.t-log-malfunction .ll-type { color: var(--fault); }
.t-log-malfunction .ll-msg  { color: var(--fault); text-shadow: var(--glow-f); }
.t-log-action      .ll-type { color: var(--blue); }
.t-log-action      .ll-msg  { color: #8899ff; }

.ll-ts   { color: var(--border-hi); margin-right: 5px; }
.ll-type { margin-right: 5px; min-width: 72px; display: inline-block; font-size: 14px; }
.ll-code { opacity: 0.65; margin-right: 6px; }

/* ── Disco óptico ────────────────────────────────────────────── */
.t-disk-row {
  font-size: 16px;
  color: var(--amber-dim);
  padding: 1px 0;
  line-height: 1.6;
}
.t-disk-bar      { color: var(--amber); letter-spacing: -1px; }
.t-disk-sec      { color: var(--amber); font-size: 15px; text-shadow: var(--glow-a); }
.t-disk-ok       { color: var(--green); }
.t-disk-lbl      { color: var(--green-dim); }
.t-disk-mode     { color: var(--amber); }
.t-disk-mismatch { color: var(--fault); text-shadow: var(--glow-f); }
.t-disk-warn {
  font-size: 15px;
  color: var(--fault);
  text-shadow: var(--glow-f);
  padding: 0 0 2px 0;
  animation: blink 1.4s step-end infinite;
}

/* ── Bloco de alerta FAULT ───────────────────────────────────── */
.t-fault-block {
  border: 1px solid var(--fault);
  box-shadow: var(--glow-f);
  margin: 6px 0;
  padding: 6px 0;
}
.t-fault-header {
  font-size: 18px;
  color: var(--fault);
  text-shadow: var(--glow-f);
  line-height: 1.7;
  animation: blink 0.45s step-end infinite;
}
.t-fault-line {
  font-size: 18px;
  color: var(--fault);
  line-height: 1.7;
}
/* [P] — tecla de prosseguir (âmbar — ação perigosa mas apresentada como primária) */
.t-fault-key-p {
  color: var(--amber);
  text-shadow: var(--glow-a);
  font-size: 18px;
}
.t-fault-key {
  color: var(--green-dim);
  font-size: 18px;
}
.t-fault-note-block { margin-top: 4px; }
.t-fault-note {
  font-size: 15px;
  color: var(--fault-dim);
  line-height: 1.6;
}
/* [P] na barra de ajuda */
.t-help-key-p { color: var(--amber); text-shadow: var(--glow-a); }

/* ── Barra de ajuda (atalhos de teclado) ─────────────────────── */
.t-help-row {
  font-size: 15px;
  color: var(--green-dim);
  letter-spacing: 0.04em;
  padding: 2px 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0 12px;
}
.t-help-key  { color: var(--amber); }
.t-help-sep  { color: var(--border-hi); margin: 0 4px; }

/* ════════════════════════════════════════════════════════════════
   PAINEL DO INSTRUTOR
   ════════════════════════════════════════════════════════════════ */
#instructor-panel {
  width: 290px;
  flex-shrink: 0;
  overflow-y: auto;
  padding: 12px 10px;
  background: #060b06;
  border-left: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 12px;
}

#instructor-panel::-webkit-scrollbar { width: 4px; }
#instructor-panel::-webkit-scrollbar-thumb { background: var(--border); }

.instr-title {
  font-size: 12px;
  color: var(--amber);
  letter-spacing: 0.1em;
  text-shadow: var(--glow-a);
  margin-bottom: 4px;
}

.instr-section {
  border: 1px solid var(--border);
  padding: 8px 10px;
}

.instr-lbl {
  font-size: 10px;
  color: var(--green-dim);
  letter-spacing: 0.07em;
  margin-bottom: 7px;
  text-transform: uppercase;
}

/* FSM diagram */
.instr-fsm {
  display: flex;
  flex-wrap: wrap;
  gap: 3px;
  align-items: center;
  font-size: 10px;
  line-height: 1.8;
}
.fsm-node {
  padding: 1px 5px;
  border: 1px solid var(--border);
  color: var(--green-dim);
  letter-spacing: 0.03em;
  font-size: 10px;
  transition: all 0.2s;
}
.fsm-node.fsm-on {
  border-color: var(--green);
  color: var(--green);
  text-shadow: var(--glow-g);
  background: rgba(51,255,51,0.06);
}
.fsm-node.fsm-fault.fsm-on {
  border-color: var(--fault);
  color: var(--fault);
  text-shadow: var(--glow-f);
  background: rgba(255,34,34,0.07);
  animation: blink 0.5s step-end infinite;
}
.fsm-arrow { color: var(--green-dim); font-size: 11px; }
.fsm-br { width: 100%; height: 0; }

/* Latência */
.instr-row {
  display: flex; align-items: center; gap: 8px;
}
#lat-slider { flex: 1; accent-color: var(--amber); cursor: pointer; }
#lat-val { font-size: 12px; color: var(--amber); min-width: 50px; text-align: right; text-shadow: var(--glow-a); }
.instr-hint { font-size: 9px; color: var(--amber-dim); margin-top: 4px; letter-spacing: 0.03em; }

/* Eventos */
.instr-events {
  display: flex;
  flex-direction: column;
  gap: 2px;
  max-height: 120px;
  overflow-y: auto;
  font-size: 10px;
}
.instr-events::-webkit-scrollbar { width: 3px; }
.instr-events::-webkit-scrollbar-thumb { background: var(--border); }

.ie { padding: 2px 4px; border-left: 2px solid var(--border); color: var(--green-dim); }
.ie-info        { border-color: var(--green);  color: var(--green-pale); }
.ie-warn        { border-color: var(--amber);  color: var(--amber); }
.ie-malfunction { border-color: var(--fault);  color: var(--fault); }
.ie-action      { border-color: var(--blue);   color: #8899ff; }

/* Nota pedagógica */
.instr-note {
  font-size: 11px;
  color: #aaddaa;
  line-height: 1.65;
  max-height: 110px;
  overflow-y: auto;
}
.instr-note::-webkit-scrollbar { width: 3px; }
.instr-note::-webkit-scrollbar-thumb { background: var(--border); }

/* Botões do instrutor */
.instr-actions {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 2px;
}
.instr-actions button {
  padding: 6px 10px;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--green-dim);
  font-family: var(--font);
  font-size: 11px;
  cursor: pointer;
  letter-spacing: 0.04em;
  transition: all 0.15s;
}
.instr-actions button:hover {
  border-color: var(--green);
  color: var(--green);
}
.instr-actions button:focus-visible {
  outline: 2px solid var(--green);
  outline-offset: 2px;
}

.instr-guide-link {
  display: block;
  padding: 6px 10px;
  background: transparent;
  border: 1px solid var(--amber-dim);
  color: var(--amber-dim);
  font-family: var(--font);
  font-size: 11px;
  cursor: pointer;
  letter-spacing: 0.04em;
  text-decoration: none;
  text-align: center;
  transition: all 0.15s;
}
.instr-guide-link:hover {
  border-color: var(--amber);
  color: var(--amber);
  text-shadow: var(--glow-a);
}

/* ════════════════════════════════════════════════════════════════
   MODO ALTA LEGIBILIDADE (body.a11y)
   ════════════════════════════════════════════════════════════════ */
body.a11y {
  --bg: #000; --bg-input: #080808;
  --green: #fff; --green-dim: #bbb; --green-mid: #ddd; --green-pale: #eee;
  --amber: #ffee44; --fault: #ff7777; --cyan: #44ffff;
  --border: #444; --border-hi: #777;
  --glow-g: none; --glow-a: none; --glow-f: none; --glow-c: none;
  font-size: 16px;
}
body.a11y::before, body.a11y::after { display: none; }
body.a11y .blink,
body.a11y .st-validating,
body.a11y .st-executing,
body.a11y .st-fault,
body.a11y .fsm-node.fsm-fault.fsm-on { animation: none; }

/* ════════════════════════════════════════════════════════════════
   RESPONSIVO
   ════════════════════════════════════════════════════════════════ */
@media (max-width: 980px) {
  #instructor-panel { width: 240px; }
  body { font-size: 12px; }
}

@media (max-width: 640px) {
  #term-wrap { flex-direction: column; }
  #instructor-panel { width: 100%; max-height: 45vh; border-left: none; border-top: 1px solid var(--border); }
  #screen { font-size: 12px; padding: 8px 10px; }
  body { font-size: 12px; }
}