/**
 * ERAM Trainer — interactive MCA command quiz
 */
:root {
  --eram-bg: #0a0c10;
  --eram-panel: #12161c;
  --eram-border: #3a4450;
  --eram-text: #e8ecf0;
  --eram-dim: #8a97a3;
  --eram-amber: #e8a838;
  --eram-green: #7cff7c;
  --eram-mono: Consolas, "Liberation Mono", "Courier New", monospace;
}

html, body {
  margin: 0;
  min-height: 100%;
  background: var(--eram-bg);
  color: var(--eram-text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

.trainer-wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: calc(var(--vatflow-nav-h, 28px) + 20px) 16px 48px;
}

.trainer-wrap h1 {
  font-family: var(--eram-mono);
  color: var(--eram-amber);
  letter-spacing: 0.08em;
  font-size: 1.35rem;
  margin: 0 0 8px;
}

.trainer-tagline {
  color: var(--eram-dim);
  line-height: 1.5;
  margin: 0 0 20px;
  font-size: 14px;
}

.panel {
  background: var(--eram-panel);
  border: 1px solid var(--eram-border);
  border-radius: 4px;
  padding: 16px;
  margin-bottom: 16px;
}

.panel.hidden { display: none !important; }

.setup-tabs { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 14px; }
.setup-tab {
  padding: 7px 12px; border: 1px solid #444; background: #111; color: #ccc;
  font-family: var(--eram-mono); font-size: 11px; cursor: pointer;
}
.setup-tab.active { border-color: var(--eram-amber); color: var(--eram-amber); }
.tab-panel { display: none; }
.tab-panel.active { display: block; }
.grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 12px; }
label.field { display: flex; flex-direction: column; gap: 4px; font-size: 12px; color: var(--eram-dim); }
label.field input, label.field select {
  padding: 8px; border: 1px solid #444; background: #0a0f14; color: #ddd;
  font-family: var(--eram-mono);
}
.dropzone {
  border: 2px dashed #444; padding: 20px; text-align: center; color: var(--eram-dim);
  cursor: pointer; margin-bottom: 8px;
}
.dropzone input { display: none; }
.btn {
  padding: 9px 16px; border: 1px solid var(--eram-border); background: #1a1f26;
  color: var(--eram-text); font-family: var(--eram-mono); font-size: 12px;
  cursor: pointer; margin-right: 8px; margin-top: 4px;
}
.btn.primary { border-color: var(--eram-amber); color: var(--eram-amber); }
.btn.ghost { background: transparent; }
.status { font-size: 12px; color: var(--eram-dim); margin-top: 10px; }

/* Quiz session */
.quiz-hdr {
  display: flex; flex-wrap: wrap; gap: 12px 20px; align-items: center;
  font-family: var(--eram-mono); font-size: 12px; color: var(--eram-dim);
  margin-bottom: 16px;
}
.quiz-hdr b { color: var(--eram-text); font-weight: normal; }

.scenario-label {
  font-family: var(--eram-mono); font-size: 10px; letter-spacing: 0.12em;
  color: var(--eram-dim); margin: 0 0 6px;
}
#instruction {
  font-size: 17px; line-height: 1.45; margin: 0 0 10px;
}
.target-line {
  font-family: var(--eram-mono); font-size: 13px; color: var(--eram-dim); margin: 0;
}
.target-line b { color: var(--eram-amber); }
.hint {
  display: none; margin-top: 12px; padding: 10px 12px;
  background: #0d1218; border-left: 3px solid #5ba8c9;
  font-family: var(--eram-mono); font-size: 12px; color: #9ec4de;
}
.hint.show { display: block; }

/* MCA — Message Composition Area */
#mca {
  margin-top: 16px;
  background: #000;
  border: 1px solid #cfcfcf;
  color: #fff;
  font-family: var(--eram-mono);
  font-size: 13px;
  max-width: 280px;
}
#mca .mca-label {
  font-size: 10px; color: var(--eram-dim); padding: 6px 8px 0;
  letter-spacing: 0.06em;
}
#mca .mca-preview {
  position: relative;
  border-bottom: 1px solid #555;
  padding: 4px 8px;
  min-height: 28px;
  display: flex;
  align-items: center;
}
#mca .mca-preview::before {
  content: "_";
  color: #fff;
  position: absolute;
  left: 8px;
  top: 50%;
  transform: translateY(-50%);
  pointer-events: none;
}
#mca .mca-preview:has(input:not(:placeholder-shown))::before,
#mca .mca-preview:focus-within::before { display: none; }
#mca .mca-preview input {
  flex: 1; min-width: 0; background: transparent; border: 0; outline: 0;
  color: #fff; font: inherit; caret-color: #fff; padding: 0;
  text-transform: uppercase;
}
#mca .mca-preview input::placeholder { color: transparent; }
#mca .mca-feedback {
  padding: 6px 8px;
  min-height: 54px;
  line-height: 1.35;
  white-space: pre-wrap;
  color: #fff;
}
#mca .mca-feedback .mca-mark.ok { color: var(--eram-green); }
#mca .mca-feedback .mca-mark.err { color: #e08a8a; }

.cpdlc-out {
  margin-top: 12px;
  font-family: var(--eram-mono);
  font-size: 12px;
  color: #9ec4de;
  min-height: 1.2em;
}
.cpdlc-out.accept { color: var(--eram-green); }
.cpdlc-out.reject { color: #e08a8a; }

.quiz-actions {
  display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px;
}

/* Summary */
.summary-box { text-align: center; padding: 24px 0; }
.summary-box h2 {
  font-family: var(--eram-mono); color: var(--eram-amber);
  letter-spacing: 0.1em; font-size: 1.1rem;
}
.summary-score {
  font-family: var(--eram-mono); font-size: 2rem; color: var(--eram-amber);
  margin: 8px 0;
}