/* esheets.css (v1.3 draft)
   Global worksheet styles for esheets.io
   Scope: everything is under .esheets to avoid Ghost theme collisions.
*/

.esheets, .esheets * { box-sizing: border-box; }

.esheets {
  --es-purple: #4b2ca3;
  --es-purple-dark: #3c2287;
  --es-grey-900: #222;
  --es-grey-800: #333;
  --es-grey-700: #444;
  --es-grey-200: #e6e6e6;
  --es-grey-100: #f4f4f4;
  --es-radius: 12px;
  --es-font: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  font-family: var(--es-font);
  color: #111;
  line-height: 1.35;
  max-width: 900px;
  margin: 0 auto;
}

/* Make [hidden] always work */
.esheets [hidden] { display: none !important; }

/* Cards */
.esheets .es-card {
  border: 1px solid var(--es-grey-200);
  border-radius: var(--es-radius);
  background: #fff;
  overflow: clip;
}

.esheets .es-card-header {
  padding: 14px 16px;
  background: var(--es-grey-100);
  border-bottom: 1px solid var(--es-grey-200);
}

.esheets .es-title {
  font-size: 22px;
  font-weight: 750;
  margin: 0;
}

/* Score */
.esheets .es-score {
  margin-top: 8px;
  font-weight: 800;
  font-size: 16px;
}

.esheets .es-body { padding: 14px 16px; }

/* Print header: print-only by default */
.esheets .es-print-header { display: none; }
@media print {
  .esheets .es-print-header {
    display: flex;
    gap: 16px;
    align-items: flex-end;
    justify-content: space-between;
    margin: 0 0 14px;
  }
}

.esheets .es-print-line {
  display: flex;
  gap: 10px;
  align-items: flex-end;
  min-width: 260px;
}
.esheets .es-print-label { font-weight: 650; }
.esheets .es-print-blank {
  flex: 1;
  border-bottom: 2px solid #111;
  height: 22px;
}

/* Teacher panel */
.esheets .es-teacher-panel {
  border: 1px dashed #b9b9b9;
  border-radius: var(--es-radius);
  padding: 12px;
  background: #fafafa;
  margin-bottom: 12px;
}
.esheets .es-teacher-note { margin: 10px 0 0; color: #555; font-size: 13px; }

/* Buttons */
.esheets button,
.esheets .es-btn {
  appearance: none;
  border: 0;
  border-radius: 10px;
  padding: 10px 14px;
  font-weight: 700;
  font-size: 14px;
  cursor: pointer;
  user-select: none;
  touch-action: manipulation;
}

.esheets .es-btn-primary { background: var(--es-purple); color: #fff; }
.esheets .es-btn-primary:hover { background: var(--es-purple-dark); }

.esheets .es-btn-neutral { background: var(--es-grey-700); color: #fff; }
.esheets .es-btn-neutral:hover { background: var(--es-grey-800); }

.esheets .es-btn-ghost {
  background: transparent;
  color: var(--es-grey-800);
  border: 1px solid var(--es-grey-200);
}
.esheets .es-btn-ghost:hover { background: #f8f8f8; }

.esheets .es-btn-row { display: flex; gap: 10px; flex-wrap: wrap; }

.esheets .is-armed { outline: 3px solid rgba(75, 44, 163, 0.35); }

/* Questions list */
.esheets .es-questions { display: flex; flex-direction: column; gap: 12px; }

/* Question item: vertical */
.esheets .es-q {
  border: 1px solid var(--es-grey-200);
  border-radius: var(--es-radius);
  padding: 12px;
  background: #fff;
}

.esheets .es-q-top { display: flex; gap: 10px; align-items: baseline; }
.esheets .es-q-num { font-weight: 800; min-width: 26px; }
.esheets .es-q-text { flex: 1; }

.esheets .es-q-actions {
  margin-top: 10px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

/* Inputs: not full width; leave room for units */
.esheets input[type="text"],
.esheets input[type="number"]{
  font-size: 16px;
  padding: 10px 10px;
  border: 1px solid var(--es-grey-200);
  border-radius: 10px;
  width: 120px;
  max-width: 200px;
  flex: 0 0 auto;
}

.esheets .es-unit { font-weight: 800; white-space: nowrap; }

.esheets .es-feedback { margin-top: 10px; font-weight: 700; }
.esheets .es-feedback.is-correct { color: #0a7a2a; }
.esheets .es-feedback.is-wrong { color: #b00020; }

/* Answers: below */
.esheets .es-answer {
  margin-top: 10px;
  padding: 10px 12px;
  border-radius: 10px;
  background: #f7f5ff;
  border: 1px solid rgba(75, 44, 163, 0.25);
  font-weight: 800;
}

/* Hide answers unless explicitly revealed (teacher mode only enables the toggle UI) */
.esheets .es-answer { display: none; }
.esheets .es-answer.is-revealed { display: block; }

/* Disabled state when correct */
.esheets .is-locked input,
.esheets .is-locked button.es-check {
  opacity: 0.7;
  cursor: not-allowed;
}
.esheets .is-locked input { background: #f6f6f6; }

/* Print: print ONLY the worksheet area; hide Ghost footer/discussion/etc */
@media print {
  /* Hide everything by default */
  body * { visibility: hidden !important; }

  /* Show worksheet only */
  .esheets, .esheets * { visibility: visible !important; }

  /* Put worksheet at top-left for print layout */
  .esheets {
    position: absolute !important;
    left: 0 !important;
    top: 0 !important;
    width: 100% !important;
    max-width: none !important;
  }

  /* Hide buttons by default */
  .esheets button { display: none !important; }

  /* Inputs look like boxes */
  .esheets input { border: 1px solid #111 !important; }

  /* Print header should appear */
  .esheets .es-print-header { display: flex !important; }

  /* Answers: only print if teacher AND currently revealed */
  .esheets .es-answer { display: none !important; }
  .esheets-teacher .esheets .es-answer.is-revealed { display: block !important; }
}