/* =====================================
   Tahouri Edu Platform
   Jigsaw Puzzle UI
   Version 3.5
   Image + Word/Sentence Jigsaw + Word Builder
   ===================================== */

.jigsawScreen { width:100%; max-width:820px; min-width:0; min-height:0; margin:0 auto; padding:18px 14px 24px; box-sizing:border-box; display:flex; flex-direction:column; align-items:center; overflow:visible; }
.jigsawHeader { width:100%; text-align:center; margin-bottom:10px; }
.jigsawHeader h1 { margin:0 0 6px; font-size:clamp(1.3rem,3.2vw,1.85rem); line-height:1.3; }
.jigsawObjective { margin:0 0 4px; font-weight:800; line-height:1.5; }
.jigsawInstruction { margin:0; opacity:.78; line-height:1.6; }
.jigsawBoard { width:min(100%,620px); margin:10px auto; display:grid; gap:3px; padding:3px; background:#20252b; border-radius:14px; overflow:hidden; touch-action:none; user-select:none; direction:ltr; }
.jigsawPiece { min-width:0; min-height:0; padding:0; border:0; border-radius:7px; background-repeat:no-repeat; background-size:var(--jigsaw-image-size); cursor:grab; touch-action:none; transition:transform .16s ease,box-shadow .16s ease; }
.jigsawPiece:active { cursor:grabbing; }
.jigsawStatus { min-height:26px; text-align:center; font-weight:800; margin:5px 0; }
.imageJigsawScreen .jigsawBoardWrap { position:relative; width:min(100%,620px); margin:10px auto; }
.imageJigsawScreen .jigsawBoardWrap .jigsawBoard { width:100%; margin:0; }
.imageJigsawScreen .jigsawInactivityHint { position:absolute; left:50%; top:50%; transform:translate(-50%,-50%); z-index:30; min-height:0; width:max-content; max-width:calc(100% - 24px); box-sizing:border-box; margin:0; padding:8px 14px; border-radius:10px; background:rgba(0,0,0,.68); color:#fff; font-size:.95rem; line-height:1.5; white-space:nowrap; pointer-events:none; text-shadow:0 1px 2px rgba(0,0,0,.35); }
.imageJigsawScreen .jigsawInactivityHint:empty { display:none; }
.jigsawControls { display:flex; justify-content:center; gap:10px; flex-wrap:wrap; }
.jigsawControls button { min-width:120px; }
.jigsawMoves { text-align:center; margin-top:7px; opacity:.75; }

.wordJigsawScreen { max-width:900px; }
.wordJigsawHeader { margin-bottom:16px; }
.wordJigsawBadge { display:inline-flex; align-items:center; padding:5px 11px; margin-bottom:7px; border-radius:999px; background:rgba(37,99,235,.10); font-size:.84rem; font-weight:800; }
.wordJigsawBoard { width:min(100%,820px); min-height:180px; padding:20px; margin:6px auto 14px; display:flex; flex-wrap:wrap; align-content:center; justify-content:center; align-items:center; gap:12px; border:1px solid var(--ui-border,#dbe4ef); border-radius:24px; background:linear-gradient(145deg,#ffffff,#f6f9fd); box-shadow:0 12px 30px rgba(31,41,55,.08); direction:rtl; }
.wordJigsawPiece { position:relative; min-width:92px; max-width:210px; min-height:58px; padding:10px 18px; border:1px solid #d7e0ea; border-radius:16px; background:#fff; color:#172033; box-shadow:0 5px 12px rgba(31,41,55,.08); font:inherit; font-weight:800; font-size:clamp(1rem,2.2vw,1.2rem); cursor:grab; touch-action:none; user-select:none; transition:transform .16s ease,box-shadow .16s ease,border-color .16s ease; }
.wordJigsawPiece:hover { transform:translateY(-2px); box-shadow:0 9px 18px rgba(31,41,55,.11); }
.wordJigsawPiece.isDragging { opacity:.88; box-shadow:0 16px 28px rgba(31,41,55,.16); cursor:grabbing; }
.wordJigsawPiece.isCorrect { border-color:rgba(34,197,94,.45); box-shadow:0 6px 15px rgba(34,197,94,.10); }
.wordJigsawPiece.isSelected { border-color:rgba(37,99,235,.7); box-shadow:0 0 0 3px rgba(37,99,235,.12),0 9px 18px rgba(31,41,55,.11); transform:translateY(-2px); }
.wordJigsawIndex { display:none !important; }
.wordJigsawText { display:block; white-space:nowrap; }
.wordJigsawHint { min-height:28px; text-align:center; font-weight:700; opacity:.78; margin:2px 0 8px; }

.wordBuilderScreen { max-width:980px; }
.wordBuilderSection { width:min(100%,900px); margin:8px auto; }
.wordBuilderSection h2 { margin:0 0 7px; font-size:1.05rem; text-align:right; }
.wordBuilderBox { min-height:110px; padding:16px; display:flex; flex-wrap:wrap; align-content:flex-start; justify-content:center; align-items:center; gap:10px; border:2px dashed #d7e0ea; border-radius:20px; background:#f8fafc; direction:rtl; transition:border-color .15s ease,background .15s ease,box-shadow .15s ease; }
.wordBuilderBox.is-drag-over { border-color:#7aa2d8; background:#f0f6ff; box-shadow:0 0 0 3px rgba(37,99,235,.08); }
.wordBuilderTarget { min-height:145px; background:linear-gradient(145deg,#ffffff,#f7fbff); border-style:solid; position:relative; }
.wordBuilderTargetHard { box-sizing:border-box; height:210px; min-height:210px; display:flex; flex-direction:column; flex-wrap:nowrap; align-items:stretch; justify-content:flex-start; align-content:stretch; gap:0; overflow:hidden; }
.wordBuilderPartialTarget { display:flex; flex-direction:column; flex-wrap:nowrap; align-content:stretch; justify-content:flex-start; align-items:stretch; gap:10px; }
.wordBuilderPartialTarget .wordBuilderPoetryLine { width:100%; }
.wordBuilderPoetryLine {
  display:flex;
  flex-wrap:wrap;
  justify-content:center;
  align-items:center;
  align-content:center;
  gap:10px;
  width:100%;
  box-sizing:border-box;
}
.wordBuilderFixedPiece { cursor:default; background:#eef1f5; border-color:#d6dde6; box-shadow:none; opacity:.9; }
.wordBuilderFixedPiece:hover { transform:none; box-shadow:none; }

/* Empty movable slots: deliberately distinct from both fixed words and movable words. */
.wordBuilderSlot {
  min-width:82px;
  min-height:50px;
  padding:9px 15px;
  border:2px dashed #7c9fc4 !important;
  border-radius:14px;
  background:#e8f1fb !important;
  color:transparent !important;
  box-sizing:border-box;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font:inherit;
  font-weight:700;
  font-size:clamp(.95rem,2vw,1.1rem);
  cursor:default;
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.7);
}
.wordBuilderSlot.is-drag-over {
  border-color:#3f6f9f !important;
  background:#d7e8f8 !important;
}

.wordBuilderLevelNote { min-height:24px; text-align:center; margin:0 0 8px; font-weight:700; opacity:.75; }

/* Movable words size to their actual text instead of using one fixed-width card. */
.wordBuilderPiece {
  min-width:0;
  width:max-content;
  max-width:100%;
  min-height:50px;
  padding:10px 16px;
  border:1px solid rgba(148,163,184,.42);
  border-radius:16px;
  background:linear-gradient(180deg,#ffffff 0%,#f8fafc 100%);
  color:#172033;
  box-shadow:0 3px 8px rgba(15,23,42,.08),0 1px 2px rgba(15,23,42,.06);
  box-sizing:border-box;
  font:inherit;
  font-weight:800;
  font-size:clamp(.95rem,2vw,1.1rem);
  white-space:nowrap;
  cursor:grab;
  touch-action:none;
  user-select:none;
  -webkit-tap-highlight-color:transparent;
  transition:transform .16s ease,box-shadow .16s ease,border-color .16s ease,background .16s ease;
}
.wordBuilderPiece:hover { transform:translateY(-2px); border-color:rgba(100,116,139,.55); box-shadow:0 7px 15px rgba(15,23,42,.11); }
.wordBuilderPiece:active { transform:scale(.97); }
.wordBuilderPiece.is-dragging { opacity:.38; transform:scale(.97); cursor:grabbing; }
.wordBuilderTargetPiece { border-color:rgba(96,165,250,.48); background:linear-gradient(180deg,#f4f8ff 0%,#eaf2ff 100%); }
.wordBuilderTargetPiece:hover { border-color:rgba(59,130,246,.62); box-shadow:0 7px 15px rgba(37,99,235,.12); }
.wordBuilderTargetPiece { border-color:#b9cbe2; background:#eef5ff; }
.wordBuilderTargetPiece.wordBuilderCorrect { border-color:#34a853; background:#dcfce7; color:#166534; box-shadow:0 0 0 3px rgba(52,168,83,.14),0 5px 12px rgba(34,197,94,.14); animation:wordBuilderCorrectFlash .65s ease; }
.wordBuilderTargetPiece.wordBuilderWrong { border-color:#e05252; background:#fee2e2; color:#b42318; box-shadow:0 0 0 3px rgba(224,82,82,.12),0 5px 12px rgba(239,68,68,.12); }
@keyframes wordBuilderCorrectFlash { 0% { transform:scale(1); } 45% { transform:scale(1.05); } 100% { transform:scale(1); } }
.wordBuilderEmpty { opacity:.55; font-weight:700; pointer-events:none; }
.wordBuilderControls {
  width:100%;
  max-width:600px;
  margin:14px auto 8px;
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:10px;
  box-sizing:border-box;
  overflow-x:hidden;
}
.wordBuilderControls button {
  width:100%;
  min-width:0;
  min-height:46px;
  padding:10px 10px;
  border:1px solid rgba(148,163,184,.45);
  border-radius:14px;
  background:linear-gradient(180deg,#ffffff 0%,#f1f5f9 100%);
  color:#1e293b;
  box-shadow:0 3px 8px rgba(15,23,42,.08),0 1px 2px rgba(15,23,42,.06);
  font:inherit;
  font-weight:800;
  font-size:.92rem;
  cursor:pointer;
  -webkit-tap-highlight-color:transparent;
  transition:transform .15s ease,box-shadow .15s ease,border-color .15s ease,background .15s ease;
}
.wordBuilderControls button:hover { transform:translateY(-2px); border-color:rgba(100,116,139,.6); box-shadow:0 7px 14px rgba(15,23,42,.11); }
.wordBuilderControls button:active { transform:translateY(1px) scale(.98); box-shadow:0 2px 5px rgba(15,23,42,.09); }
.wordBuilderControls button:focus-visible { outline:3px solid rgba(59,130,246,.25); outline-offset:2px; }
#wordBuilderCheck { background:linear-gradient(180deg,#effcf4 0%,#dcfce7 100%); border-color:rgba(34,197,94,.38); color:#166534; }
#wordBuilderCheck:hover { border-color:rgba(22,163,74,.58); }
#wordBuilderUndo { background:linear-gradient(180deg,#f8fafc 0%,#e2e8f0 100%); }
#wordBuilderAlphabet { background:linear-gradient(180deg,#f5f3ff 0%,#ede9fe 100%); border-color:rgba(139,92,246,.3); color:#5b21b6; }
#wordBuilderReset { background:linear-gradient(180deg,#fff7ed 0%,#ffedd5 100%); border-color:rgba(249,115,22,.32); color:#9a3412; }
.wordBuilderMessage { min-height:28px; text-align:center; font-weight:800; margin:5px 0; }
.wordBuilderTemporaryHint {
  position:absolute;
  left:50%;
  top:50%;
  transform:translate(-50%,-50%) translateY(-5px);
  z-index:30;
  width:max-content;
  max-width:calc(100% - 28px);
  box-sizing:border-box;
  white-space:normal;
  padding:8px 14px;
  border:1px solid rgba(255,255,255,.14);
  border-radius:10px;
  background:rgba(0,0,0,.68);
  color:#fff;
  font-size:.95rem;
  font-weight:700;
  line-height:1.5;
  text-align:center;
  white-space:nowrap;
  pointer-events:none;
  opacity:0;
  visibility:hidden;
  text-shadow:0 1px 2px rgba(0,0,0,.35);
  box-shadow:0 4px 12px rgba(0,0,0,.12);
  transition:opacity .18s ease,transform .18s ease,visibility .18s ease;
}
.wordBuilderTemporaryHint.is-visible {
  opacity:1;
  visibility:visible;
  transform:translate(-50%,-50%) translateY(0);
}
.wordBuilderPoetryLine { box-sizing:border-box; min-height:74px; width:100%; padding:8px 10px; border:2px dashed #b9cbe2; border-radius:15px; background:rgba(255,255,255,.72); display:flex; flex-direction:row; flex-wrap:nowrap; align-items:center; align-content:center; justify-content:center; gap:10px; overflow-x:auto; overflow-y:hidden; scrollbar-width:thin; }
.wordBuilderPoetryLine + .wordBuilderPoetryLine { margin-top:9px; }
.wordBuilderPunctuation { margin-inline-start:3px; font-weight:900; }
.wordBuilderWord { white-space:nowrap; }

@media (min-width:601px) {
    .imageJigsawScreen .jigsawHeader { margin-bottom:2px; }
    .imageJigsawScreen .jigsawHeader h1 { margin:0 0 3px; }
    .imageJigsawScreen .jigsawObjective,
    .imageJigsawScreen .jigsawInstruction { display:inline; margin:0; line-height:1.4; }
    .imageJigsawScreen .jigsawObjective::after { content:" • "; opacity:.55; }
    .imageJigsawScreen .jigsawPreview { width:min(100%,560px) !important; margin:4px auto 5px !important; }
    .imageJigsawScreen .jigsawBoardWrap { width:min(100%,560px); margin:4px auto 5px; }
    .imageJigsawScreen .jigsawBoardWrap .jigsawBoard { width:100%; margin:0; }
    .imageJigsawScreen .jigsawStatus { min-height:22px; margin:2px 0; }
    .imageJigsawScreen .jigsawBottomRow { display:flex; align-items:center; justify-content:center; gap:10px; margin:0; transform:translateY(-3px); }
    .imageJigsawScreen .jigsawControls { display:flex; align-items:center; justify-content:center; margin:0; gap:6px; }
    .imageJigsawScreen .jigsawMoves { display:block; margin:0; }
}

@media (max-width:600px) {
    .jigsawScreen { padding:10px 10px 16px; }
    .jigsawHeader { margin-bottom:9px; }
    .wordJigsawBoard { min-height:210px; padding:15px 10px; gap:9px; border-radius:19px; }
    .wordJigsawPiece { min-width:78px; min-height:52px; padding:9px 14px; border-radius:14px; font-size:1rem; }
    .jigsawBoard { width:100%; gap:2px; padding:2px; border-radius:11px; }
    .jigsawPiece { border-radius:5px; }
    .wordBuilderBox { min-height:100px; padding:12px 8px; gap:7px; border-radius:17px; }
    .wordBuilderTarget { min-height:140px; }
.wordBuilderTargetHard { height:190px; min-height:190px; }
    .wordBuilderPoetryLine { min-height:66px; padding:7px 6px; border-radius:13px; gap:7px; }
    .wordBuilderPiece { min-width:0; width:max-content; max-width:100%; min-height:46px; padding:8px 11px; font-size:.94rem; border-radius:12px; }
    .wordBuilderControls {
      grid-template-columns:repeat(2,minmax(0,1fr));
      max-width:100%;
      gap:8px;
      padding:0 2px;
    }
    .wordBuilderControls button {
      min-width:0;
      min-height:44px;
      padding:9px 7px;
      font-size:.82rem;
      white-space:nowrap;
    }
}

@media (max-width:380px) {
    .wordJigsawBoard { gap:7px; padding:12px 7px; }
    .wordJigsawPiece { min-width:70px; padding-right:11px; padding-left:11px; font-size:.93rem; }
    .wordBuilderPiece { min-width:0; width:max-content; max-width:100%; padding-left:8px; padding-right:8px; font-size:.88rem; }
    .wordBuilderControls { gap:7px; }
    .wordBuilderControls button { font-size:.78rem; padding-left:5px; padding-right:5px; }
}

@media (prefers-reduced-motion:reduce) {
    .wordJigsawPiece,.jigsawPiece,.wordBuilderPiece,.wordBuilderControls button { transition:none; }
}

@media (max-width:600px) {
  .wordBuilderTemporaryHint {
    width:calc(100% - 20px);
    max-width:calc(100% - 20px);
    padding:7px 10px;
    font-size:.82rem;
    line-height:1.45;
    white-space:normal;
  }
}