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h2{margin-top:10px}.coach-description{font-size:10px}.measure-controls{grid-template-columns:1fr 1fr;gap:10px 14px}.measure-controls .range-control:last-child:nth-child(3){grid-column:1 / -1}.formula-panel{margin-top:9px}.workspace-footer{font-size:8px}}@media(max-width:1120px){.grade-bar{padding:8px 18px}}@media(max-width:900px){.grade-bar{padding:7px 14px;gap:10px;overflow-x:auto}.grade-switch{flex-wrap:nowrap}.grade-chip{flex:0 0 auto}.grade-bar-note{display:none}.course-layout{min-height:calc(100vh - 104px)}}@media(max-width:700px){.grade-bar{padding:7px 11px}.grade-bar-label{display:none}.grade-chip{min-height:30px;padding:0 10px;font-size:10px}}.guide-player{margin:0 0 14px;padding:11px 13px;border:1px solid #dbe7e1;border-radius:11px;background:linear-gradient(180deg,#f7fbf9,#fff);box-shadow:0 4px 14px #2d493b0a;transition:border-color .18s ease,box-shadow .18s ease}.guide-player.is-playing{border-color:#a8d6c6;box-shadow:0 6px 20px #167c721f}.guide-player-main{display:flex;align-items:center;gap:12px}.guide-play-button{flex:0 0 auto;width:42px;height:42px;border:0;border-radius:50%;display:grid;place-items:center;color:#fff;background:linear-gradient(145deg,#1a8c80,#12695f);box-shadow:0 3px 10px #167c7247;cursor:pointer;transition:transform .15s ease,box-shadow .15s ease}.guide-play-button:hover{transform:translateY(-1px);box-shadow:0 5px 14px #167c7257}.guide-play-button:active{transform:translateY(0)}.guide-play-triangle{margin-left:2px}.guide-player-body{flex:1 1 auto;min-width:0}.guide-player-topline{display:flex;align-items:center;gap:8px}.guide-player-topline strong{display:inline-flex;align-items:center;gap:5px;color:#1f3d3a;font-size:12px;font-weight:800}.guide-player-topline strong svg{color:var(--teal)}.guide-player-badge{padding:1px 7px;border-radius:99px;color:#2c7a63;background:#e4f4ef;font-size:8px;font-weight:700;white-space:nowrap}.guide-player-summary{margin:2px 0 6px;color:#7c8b85;font-size:9px;line-height:1.45;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.guide-progress{display:flex;align-items:center;gap:9px}.guide-progress-range{flex:1 1 auto;height:4px;margin:0;padding:0;border-radius:99px;background:linear-gradient(90deg,var(--teal) var(--guide-progress, 0%),#e2ebe7 var(--guide-progress, 0%));-webkit-appearance:none;-moz-appearance:none;appearance:none;cursor:pointer}.guide-progress-range::-webkit-slider-thumb{width:11px;height:11px;border:2px solid #fff;border-radius:50%;background:var(--teal);box-shadow:0 1px 3px #167c7266;-webkit-appearance:none;-moz-appearance:none;appearance:none}.guide-progress-range::-moz-range-thumb{width:11px;height:11px;border:2px solid #fff;border-radius:50%;background:var(--teal)}.guide-progress-static{flex:1 1 auto;height:4px;border-radius:99px;background:repeating-linear-gradient(90deg,#cfe6de 0,#cfe6de 6px,#e6efeb 6px,#e6efeb 12px);animation:guide-pulse 1.4s linear infinite}@keyframes guide-pulse{0%{background-position:0 0}to{background-position:24px 0}}.guide-time{flex:0 0 auto;color:#8a988f;font-size:9px;font-variant-numeric:tabular-nums;white-space:nowrap}.guide-error{margin:5px 0 0;color:#b7592f;font-size:9px;line-height:1.4}.guide-transcript-toggle{flex:0 0 auto;display:inline-flex;align-items:center;gap:4px;padding:6px 9px;border:1px solid #dbe7e1;border-radius:7px;color:#5c766d;background:#fff;font-size:9px;font-weight:700;cursor:pointer;transition:border-color .15s ease,color .15s ease}.guide-transcript-toggle:hover{border-color:#a9cfc1;color:var(--teal)}.guide-transcript-toggle svg:last-child{transition:transform .18s ease}.guide-transcript-toggle svg.rotated{transform:rotate(180deg)}.guide-transcript{margin:10px 0 0;padding:11px 13px;border-top:1px dashed #dfeae4;display:grid;gap:10px}.guide-transcript-script{margin:0;padding:10px 12px;border-radius:8px;color:#46524d;background:#f6f9f7;font-size:10px;line-height:1.75}.guide-tips{display:grid;gap:5px}.guide-tips-title{color:#2c7a63;font-size:9px;font-weight:800;letter-spacing:.02em}.guide-tips ol{margin:0;padding-left:18px;display:grid;gap:3px}.guide-tips li{color:#5f6f69;font-size:9.5px;line-height:1.6}@media(max-width:700px){.guide-player{padding:10px}.guide-player-main{gap:9px}.guide-play-button{width:38px;height:38px}.guide-transcript-toggle span{display:none}.guide-player-summary{white-space:normal}}