.term-story{padding:14px 16px;background:#fff6df;border-top:1px solid #d7c7a3}.reading .term-name{font-size:19px;font-weight:750;margin:0 0 10px;color:#244c62}.term-steps{display:flex;gap:6px}.term-steps button{flex:1;font-size:12px;line-height:1.4;padding:9px 5px;min-height:44px}.term-steps button[aria-pressed=true]{background:#244c62;color:#fff8e7;border-color:#244c62}.reading .term-explanation{font-size:14px;line-height:1.6;margin:12px 0;min-height:66px}.term-play{font-size:12px;font-weight:650;min-height:44px}.reading .action-label,.reading .effect-label{font-size:13px;font-weight:750;line-height:1.5;margin:0;padding:10px 12px;background:#ffe6ba;color:#683a21;border-top:2px solid #d48b48}.reading .effect-label{background:#dbead8;color:#244b36;border-color:#91ad85}.lesson-motion[data-action-step] .flight-path{display:none!important}.lesson-motion[data-action-step='0'] .plane-scene .flight-plane,.lesson-motion[data-action-step='1'] .plane-scene .flight-plane{animation:none;transform:translate(0,0)}.lesson-motion[data-action-step='1'][data-concept=stall] .plane-scene .flight-plane{transform:rotate(12deg);transition:transform 1.2s}.lesson-motion[data-action-step='2'] .plane-scene .flight-plane{animation:action-level 3s ease-in-out forwards}.lesson-motion[data-action-step='2'][data-story-mode=climb] .plane-scene .flight-plane,.lesson-motion[data-action-step='2'][data-story-mode=bump] .plane-scene .flight-plane{animation-name:action-rise}.lesson-motion[data-action-step='2'][data-story-mode=sink] .plane-scene .flight-plane{animation-name:action-sink}.lesson-motion[data-action-step='2'][data-story-mode=steep] .plane-scene .flight-plane{animation-name:action-down}.lesson-motion[data-action-step='2'][data-story-mode=accelerate] .plane-scene .flight-plane{animation-name:action-speed}.lesson-motion[data-action-step='0'][data-concept=prop] .plane-scene .flight-plane{animation:action-down 3s ease-in-out forwards}.lesson-motion[data-action-step='0'][data-concept=start] .plane-scene .flight-plane{transform:translate(0,50px)}.lesson-motion[data-action-step='1'][data-concept=start] .plane-scene .flight-plane{transform:translate(0,30px)}.lesson-motion[data-action-step='2'][data-concept=start] .plane-scene .flight-plane{animation-name:action-takeoff}.lesson-motion[data-action-step='2'][data-concept=drag] .plane-energy-fill{animation:energy-change 2s ease forwards}.lesson-motion[data-action-step='2'] .action-label,.lesson-motion[data-action-step='1'] .action-label{box-shadow:inset 4px 0 #c76533}.lesson-motion[data-action-step='2'] .effect-label{box-shadow:inset 4px 0 #4a7752}
@keyframes action-level{from{transform:translate(60px,0)}to{transform:translate(-60px,0)}}@keyframes action-rise{from{transform:translate(45px,25px)}to{transform:translate(-45px,-40px)}}@keyframes action-sink{from{transform:translate(25px,-20px) rotate(12deg)}to{transform:translate(-25px,60px) rotate(12deg)}}@keyframes action-down{from{transform:translate(45px,-30px) rotate(-4deg)}to{transform:translate(-45px,45px) rotate(-4deg)}}@keyframes action-speed{from{transform:translate(100px,0)}to{transform:translate(-150px,0)}}@keyframes action-takeoff{from{transform:translate(45px,35px) rotate(6deg)}to{transform:translate(-45px,-35px) rotate(6deg)}}@keyframes energy-change{from{width:75%}to{width:45%}}
@media(max-width:700px){.term-story{padding:12px}.reading .term-explanation{min-height:0}.term-steps button{font-size:11px}.motion-closeup>.motion-stage{min-height:155px}}
@media(prefers-reduced-motion:reduce){.lesson-motion:not([data-motion-opt-in=true]) .plane-energy-fill{animation:none!important}.lesson-motion:not([data-motion-opt-in=true])[data-action-step='2'][data-story-mode=sink] .plane-scene .flight-plane{transform:translate(0,45px) rotate(12deg)}.lesson-motion:not([data-motion-opt-in=true])[data-action-step='2'][data-story-mode=climb] .plane-scene .flight-plane,.lesson-motion:not([data-motion-opt-in=true])[data-action-step='2'][data-story-mode=bump] .plane-scene .flight-plane{transform:translate(0,-35px)}}

.term-pointer{pointer-events:none}.height-gauge{opacity:.8}.height-dot{transition:cy 3s ease}.lesson-motion[data-action-step='2'][data-story-mode=sink] .height-dot,.lesson-motion[data-action-step='2'][data-story-mode=steep] .height-dot{cy:175}.lesson-motion[data-action-step='2'][data-story-mode=climb] .height-dot,.lesson-motion[data-action-step='2'][data-story-mode=bump] .height-dot{cy:70}.lesson-motion[data-concept=ram] .height-gauge,.lesson-motion[data-concept=jet] .height-gauge,.lesson-motion[data-concept=prop] .height-gauge,.lesson-motion[data-concept=fan] .height-gauge{display:none}.motion-closeup>.motion-stage{align-items:flex-start}.reading .term-explanation{min-height:0}.term-story .term-play{padding:6px 12px}.lesson-motion[data-action-step='2'] .plane-observation{display:none}
@media(prefers-reduced-motion:reduce){.height-dot{transition:none}}