.legacy-practice{
  display:none !important;
}

.lesson-practice{
  margin-top:22px;
}

.lesson-practice-head{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:18px;
  margin-bottom:18px;
}

.lesson-practice-head h2{
  margin:3px 0 0;
}

.lesson-practice-kicker{
  color:#078652;
  font-size:12px;
  font-weight:900;
  letter-spacing:.08em;
}

.lesson-practice-other{
  min-height:40px;
  padding:8px 14px;
  border:1px solid #078652;
  background:#fff;
  color:#078652;
  font-weight:800;
  cursor:pointer;
}

.lesson-practice-question{
  padding:18px;
  border:1px solid #cadbd4;
  background:#f9fcfa;
  line-height:1.6;
}

.lesson-practice-question table{
  border-collapse:collapse;
  max-width:100%;
  margin:16px 0;
}

.lesson-practice-question th,
.lesson-practice-question td{
  padding:8px 10px;
  border:1px solid #b9cbc3;
}

.lesson-practice-field{
  margin:18px 0;
}

.lesson-practice-field label{
  display:block;
  margin-bottom:7px;
  font-weight:800;
}

.lesson-practice-answer{
  width:100%;
  max-width:520px;
  min-height:42px;
  padding:8px 10px;
  border:1px solid #a8bdb4;
  font-size:16px;
}

.lesson-practice-actions{
  margin-top:17px;
}

.lesson-practice-feedback{
  display:none;
  margin-top:15px;
  padding:13px 15px;
  border-left:4px solid #888;
}

.lesson-practice-feedback.good{
  display:block;
  border-color:#078652;
  background:#edf8f3;
  color:#075f3c;
}

.lesson-practice-feedback.bad{
  display:block;
  border-color:#c62828;
  background:#fff2f2;
  color:#7d2525;
}

.lesson-practice-extra{
  margin-top:8px;
  line-height:1.7;
}

.lesson-practice-explain{
  margin-top:9px;
  padding-top:9px;
  border-top:1px solid currentColor;
  opacity:.82;
}


/* code */

.exam-code{
  display:block;
  width:100%;
  min-height:330px;
  margin-top:8px;
  padding:16px;
  resize:vertical;
  border:1px solid #9ebcaf;
  background:#10241e;
  color:#eaf7f1;
  outline:none;
  tab-size:4;
  font:15px/1.55 Consolas,
       "Courier New",
       ui-monospace,
       monospace;
}

.exam-code:focus{
  border-color:#078652;
}


/* graph */

.oge-graph-wrap{
  overflow:auto;
  margin:18px 0;
}

.oge-graph{
  display:block;
  width:100%;
  max-width:850px;
  height:auto;
}


/* doc13 */

.doc13-reference{
  margin:18px 0;
  padding:30px;
  border:1px solid #cad8d2;
  background:#fff;
  user-select:none;
}

.doc13-reference table{
  border-collapse:collapse;
}

.doc13-reference td{
  padding:6px 9px;
  border:1px solid #333;
}

.lesson-doc13{
  margin-top:20px;
  border:1px solid #c0d3cb;
}

.lesson-doc13 h3{
  margin:0;
  padding:13px 14px;
}

.lesson-doc13-toolbar{
  display:flex;
  flex-wrap:wrap;
  gap:7px;
  padding:10px;
  border-top:1px solid #d5e2dc;
  border-bottom:1px solid #d5e2dc;
  background:#edf6f2;
}

.lesson-doc13-toolbar button{
  min-height:36px;
  padding:6px 11px;
  border:1px solid #aac3b8;
  background:#fff;
  cursor:pointer;
  font-weight:700;
}

.lesson-doc13-meta{
  padding:6px 11px;
  font:12px Consolas,monospace;
}

.lesson-doc13-editor{
  min-height:260px;
  padding:35px 45px;
  border-top:1px solid #078652;
  background:#fff;
  outline:none;
  font-size:14pt;
  line-height:1.35;
}

.lesson-doc13-note{
  padding:8px 11px;
  border-top:1px solid #d5e2dc;
  color:#60746c;
  font-size:12px;
}


/* robot */

.kumir-help{
  margin:15px 0;
  padding:12px 14px;
  border:1px solid #c7ddd3;
  background:#f0f8f4;
  line-height:1.6;
}

.kumir15-simulator{
  margin:22px 0;
  border:1px solid #bfd5cb;
  background:#f7fbf9;
}

.tu15-sim-head{
  padding:14px 16px;
  border-bottom:1px solid #c9ddd4;
  background:#edf7f2;
}

.tu15-sim-head small{
  display:block;
  margin-top:5px;
  color:#59716a;
}

.tu15-toolbar{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  padding:12px 14px;
  border-bottom:1px solid #d4e2dc;
  background:#fff;
}

.tu15-button{
  min-height:38px;
  padding:7px 13px;
  border:1px solid #aac8bb;
  background:#fff;
  color:#173b30;
  font-weight:800;
  cursor:pointer;
}

.tu15-button.primary{
  border-color:#078652;
  background:#078652;
  color:#fff;
}

.tu15-button:disabled{
  opacity:.45;
}

.tu15-speed{
  display:flex;
  align-items:center;
  gap:7px;
  margin-left:auto;
  font-size:13px;
}

.tu15-board-shell{
  overflow:auto;
  padding:16px;
  background:#fff;
}

.tu15-board svg{
  display:block;
  max-width:100%;
  height:auto;
  margin:0 auto;
}

.tu15-grid-line{
  stroke:#d6dfdb;
  stroke-width:1;
}

.tu15-outer-wall{
  fill:none;
  stroke:#778981;
  stroke-width:4;
}

.tu15-task-wall{
  stroke:#c62828;
  stroke-width:7;
}

.tu15-painted{
  fill:#9bd8b5;
}

.tu15-robot-head{
  fill:#078652;
  stroke:#075f3c;
  stroke-width:2;
}

.tu15-robot-body{
  fill:#e8f5ef;
  stroke:#075f3c;
  stroke-width:2;
}

.tu15-robot-eye{
  fill:#fff;
}

.tu15-robot-detail{
  stroke:#075f3c;
  stroke-width:2;
  stroke-linecap:round;
}

.tu15-status{
  display:flex;
  flex-wrap:wrap;
  gap:10px 24px;
  padding:11px 15px;
  border-top:1px solid #d4e2dc;
  font-size:13px;
}

.tu15-status.error{
  background:#fff3f3;
  color:#8b1d1d;
}

.tu15-status.success{
  background:#eef9f3;
  color:#076c43;
}

.tu15-step{
  font-family:Consolas,monospace;
  font-weight:700;
}


@media(max-width:700px){

  .lesson-practice-head{
    align-items:flex-start;
    flex-direction:column;
  }

  .lesson-doc13-editor{
    padding:20px;
  }

  .tu15-speed{
    width:100%;
    margin-left:0;
  }
}


/* ==========================================================
   QUESTION 16 — PYTHON RUNNER
   ========================================================== */

.p16-runner{
  margin:22px 0 0;
  border:1px solid #bfd5cb;
  background:#f7fbf9;
}

.p16-runner-head{
  padding:14px 16px;
  border-bottom:1px solid #c9ddd4;
  background:#edf7f2;
}

.p16-runner-head strong{
  display:block;
  font-size:16px;
}

.p16-runner-head span{
  display:block;
  margin-top:4px;
  color:#5b7169;
  font-size:13px;
}

.p16-io{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:15px;
  padding:15px;
  background:#fff;
}

.p16-io label{
  display:block;
}

.p16-io textarea{
  display:block;
  width:100%;
  min-height:180px;
  margin-top:8px;
  padding:12px;
  resize:vertical;
  border:1px solid #a9bfb5;
  background:#fff;
  font:14px/1.5 Consolas,
       "Courier New",
       monospace;
}

.p16-output{
  min-height:180px;
  margin:8px 0 0;
  padding:12px;
  overflow:auto;
  border:1px solid #a9bfb5;
  background:#10241e;
  color:#eaf7f1;
  white-space:pre-wrap;
  font:14px/1.5 Consolas,
       "Courier New",
       monospace;
}

.p16-actions{
  display:flex;
  flex-wrap:wrap;
  gap:9px;
  padding:0 15px 15px;
  background:#fff;
}

.p16-status{
  padding:10px 15px;
  border-top:1px solid #d4e2dc;
  color:#526a62;
  font-size:13px;
}


@media(max-width:700px){

  .p16-io{
    grid-template-columns:1fr;
  }
}