/* San Luis Learning: an accessible, self-paced, ungraded mathematical workspace. */
.slp-exercise{margin:0;padding:1.65rem;background:#fff;border:1px solid #dce7e5;border-radius:17px;color:#173842;position:relative}
.slp-exercise[hidden],.slp-practice-summary[hidden],.slp-question-track[hidden],.slp-practice-prev[hidden],.slp-practice-next[hidden],.slp-hint[hidden],.slp-solution[hidden]{display:none!important}
.slp-exercise .eyebrow{font-size:.71rem;letter-spacing:.1em;text-transform:uppercase;color:#006c67;font-weight:850}
.slp-exercise h3{margin:.55rem 0 .9rem;font-size:1.26rem;line-height:1.35}.slp-exercise .slp-prompt{color:#263f48;font-size:1rem;line-height:1.7;margin:.4rem 0 1.5rem}
.slp-question-tags{display:flex;gap:.5rem;flex-wrap:wrap;font-size:.74rem;font-weight:800;margin:0 0 .6rem}
.slp-question-tags span{background:#eef7f5;color:#006c67;border-radius:999px;padding:3px 10px}
.slp-question-tags span:last-child{background:#f6f1ea;color:#8e613b}
.slp-exercise-form{display:flex;align-items:end;gap:.75rem;flex-wrap:wrap}.slp-exercise-field{flex:1;min-width:160px;max-width:340px;display:flex;flex-direction:column;gap:.4rem}
.slp-exercise-form label{font-size:.82rem;font-weight:850;color:#29444e}
.slp-input-wrap{display:flex;align-items:center;gap:.6rem}
.slp-exercise-form input{height:48px;width:100%;min-width:0;padding:.65rem .9rem;border:1px solid #bdced0;border-radius:10px;background:#fff;color:#12323b;font-size:1.02rem}
.slp-exercise .slp-unit{font-size:.84rem;color:#506b74;font-weight:800;white-space:nowrap}
.slp-exercise-form button{background:#006c67;color:white;border:0;border-radius:10px;padding:.72rem 1.15rem;font-weight:800;min-height:48px;cursor:pointer}
.slp-exercise .slp-status{font-weight:750;min-height:1.3em;margin:.85rem 0 .25rem;font-size:.89rem}
.slp-exercise .slp-status[data-result=correct]{color:#006a55}.slp-exercise .slp-status[data-result=incorrect]{color:#a43d2b}.slp-exercise .slp-status[data-result=invalid]{color:#765c20}
.slp-exercise-actions{display:flex;align-items:center;flex-wrap:wrap;gap:1rem;margin-top:.5rem}
.slp-exercise .slp-exercise-help{border:0;background:none;padding:.4rem 0;color:#006c67;text-decoration:underline;text-underline-offset:3px;font-size:.86rem;font-weight:800;cursor:pointer}
.slp-exercise .slp-hint,.slp-exercise .slp-solution{border:1px solid #e0eae9;border-radius:11px;background:#f7faf9;padding:1rem 1.1rem;font-size:.94rem;line-height:1.65;margin:.75rem 0}
.slp-exercise .slp-solution{background:#fdf9f2;border-color:#ead9c7}
.slp-exercise :is(button,input):focus-visible,.slp-practice-set button:focus-visible,.slp-numberline input:focus-visible{outline:3px solid #e3a254;outline-offset:3px}
.slp-exercise.is-correct{border-color:#90d8c0}
.slp-practice-set{border:1px solid #d5e2e2;border-radius:22px;background:#f7faf9;overflow:hidden;margin:2rem 0;box-shadow:0 16px 36px rgba(19,60,65,.055)}
.slp-practice-header{padding:1.6rem 1.7rem 1.3rem;display:flex;align-items:start;justify-content:space-between;gap:1.25rem}
.slp-practice-header .eyebrow{font-size:.71rem}.slp-practice-header h2{font-size:1.6rem;line-height:1.2;margin:.6rem 0}
.slp-practice-header p{margin:0;font-size:.9rem;line-height:1.55;color:#62777d;max-width:430px}
.slp-practice-counter{flex-shrink:0;background:#e5f2ee;color:#006c67;border-radius:999px;padding:.45rem .8rem;font-weight:800;font-size:.77rem}
.slp-practice-meter{height:5px;background:#e0ece8;overflow:hidden}
.slp-practice-meter-fill{display:block;width:0;height:100%;background:#12a590;transition:width .25s}
.slp-question-track{padding:1.15rem}
.slp-question-track .slp-exercise{margin:0;padding:1.55rem;background:#fff}
.slp-practice-controls{display:flex;align-items:center;justify-content:space-between;gap:1rem;border-top:1px solid #dfe9e8;padding:1rem 1.45rem}
.slp-practice-controls button,.slp-practice-restart{cursor:pointer;border-radius:10px;font:inherit;font-size:.86rem;font-weight:850;padding:.7rem 1rem;min-height:42px}
.slp-practice-prev{border:1px solid #cbdedb;color:#24464c;background:#fff}.slp-practice-next,.slp-practice-restart{border:1px solid #006c67;background:#006c67;color:#fff}
.slp-practice-controls button:disabled{opacity:.45;cursor:not-allowed}
.slp-practice-summary{text-align:center;background:#fff;margin:1.15rem;padding:2rem 1.25rem;border:1px solid #e3eeee;border-radius:15px}
.slp-practice-summary h3{font-size:1.45rem;margin:.65rem 0}.slp-practice-summary p{color:#5b727a}.slp-practice-summary-count{color:#006c67;font-weight:900}.slp-practice-summary-symbol{width:52px;height:52px;border-radius:16px;background:#e6f7f0;display:grid;place-items:center;margin:0 auto;font-size:1.5rem;color:#00745e}
.slp-numberline{border:1px solid #d5e7e3;border-radius:18px;background:#f4fbf8;padding:1.4rem;margin:1.75rem 0}
.slp-numberline-svg{display:block;width:100%;height:auto;margin:.25rem 0 1rem}
.slp-numberline-head{display:flex;align-items:center;justify-content:space-between;gap:1rem;flex-wrap:wrap;margin-bottom:.65rem}
.slp-numberline-head strong{color:#193842}.slp-numberline-stat{font-size:.77rem;background:#fff;padding:.35rem .65rem;border-radius:50px;color:#14665e;font-weight:800;border:1px solid #d5e7e3}
.slp-numberline-control{display:flex;align-items:center;justify-content:space-between;gap:1rem;font-size:.84rem;font-weight:800}
.slp-numberline>input[type=range]{display:block;width:100%;accent-color:#006c67;cursor:pointer}.slp-numberline-summary{padding:1rem 1.1rem;background:#fff;border:1px solid #e2efeb;border-radius:12px;margin-top:1rem}
.slp-numberline-summary p{font-size:.84rem;margin:0;color:#556e75}.slp-numberline-formula{font-size:1.23rem;font-weight:900;color:#006c67;line-height:1.3}
@media(max-width:650px){.slp-practice-header{flex-direction:column;padding:1.25rem}.slp-question-track{padding:.7rem}.slp-question-track .slp-exercise{padding:1.15rem}.slp-exercise-form{align-items:stretch}.slp-exercise-field{max-width:none;width:100%}.slp-exercise-form button{width:100%}.slp-practice-controls{padding:.9rem;gap:.5rem}.slp-practice-controls button{padding:.65rem .85rem}.slp-numberline{padding:1rem}.slp-numberline-control{flex-wrap:wrap}}
@media(prefers-reduced-motion:reduce){.slp-practice-meter-fill{transition:none}}