.planner { background: #f6f8f4; color: #163b34; padding: clamp(5rem,9vw,9rem) 7%; }
.planner-heading { max-width: 50rem; margin: 0 auto 3rem; text-align: center; }
.planner-heading h2 { font: 400 clamp(2.6rem,4.5vw,4.6rem)/1.04 var(--serif,Georgia,serif); letter-spacing: -.035em; margin: 0; }
.planner-heading p { color: #3c5b4d; max-width: 48rem; margin: 1.1rem auto 0; }
.planner-layout { display: grid; grid-template-columns: minmax(200px,.9fr) minmax(280px,1.45fr) minmax(220px,.95fr); gap: .75rem; align-items: stretch; }
.planner-preferences { display: grid; align-content: start; gap: .75rem; }
.planner-panel { border: 1px solid #d0dfd2; border-radius: 12px; background: #e3ede4; padding: 1.25rem; min-width: 0; }
fieldset.planner-panel { margin: 0; display: grid; gap: .6rem; }
.planner-panel legend, .planner-panel > label, .planner-panel h3 { font-weight: 700; font-size: 1rem; }
.planner-panel legend { padding: 0 .3rem; }
.planner-panel label { cursor: pointer; }
.planner-panel input[type=radio] { accent-color: #244e3f; margin-right: .35rem; }
.planner-panel select { width: 100%; min-height: 48px; border: 1px solid #9fb5a3; border-radius: 6px; padding: .65rem; margin-top: .7rem; color: #163b34; background: #fff; font: inherit; }
.planner-panel h3 { margin: 0 0 .4rem; }
.planner-panel p { margin: .5rem 0; color: #3c5b4d; line-height: 1.5; font-size: .88rem; }
.planner-visual { background: #d3e6db; overflow: hidden; }
.planner-stage { height: 250px; position: relative; display: grid; place-items: center; overflow: hidden; perspective: 700px; touch-action: pan-y; }
.planner-model { display: none; position: absolute; width: 0; height: 0; transform-style: preserve-3d; transform: rotateX(-12deg) rotateY(var(--rotation,0deg)) scale(var(--zoom,1)); }
.planner-ready .planner-model { display: block; }
.planner-ready .planner-fallback { display: none; }
.planner-jaw { position: absolute; transform-style: preserve-3d; }
.planner-tooth { position: absolute; border: 1px solid #b8cac1; width: 25px; height: 39px; padding: 0; border-radius: 36% 36% 42% 42%; background: linear-gradient(110deg,#cbded6 0%,#fff 42%,#e2eee7 75%,#9fbbad 100%); box-shadow: inset -3px -5px 6px #3456482e, 0 4px 8px #244d362b; backface-visibility: visible; cursor: pointer; }
.planner-tooth:hover, .planner-tooth[aria-pressed=true] { background: #d7bd85; border-color: #806a3d; }
.planner-tooth:focus-visible { outline: 3px solid #865f20; outline-offset: 3px; }
.planner-model-controls[hidden] { display: none; }
.planner-model-controls label { display: flex; justify-content: space-between; font-size: .85rem; }
.planner-model-controls input { width: 100%; min-height: 44px; accent-color: #1d5142; }
.planner-view-controls { display: flex; flex-wrap: wrap; gap: .4rem; }
.planner-view-controls button { min-width: 44px; min-height: 44px; border: 1px solid #9ab3a0; border-radius: 6px; color: #173c31; background: white; font: inherit; cursor: pointer; }
.planner-view-controls button:focus-visible, .planner-model-controls input:focus-visible, .planner-action:focus-visible { outline: 3px solid #865f20; outline-offset: 3px; }
.planner-result { background: white; }
.planner-result dl { margin: 1.2rem 0; }
.planner-result dl div { border-top: 1px solid #d7e2d8; padding: .7rem 0; }
.planner-result dt { font-size: .75rem; color: #446251; }
.planner-result dd { font-weight: 600; margin: .15rem 0 0; overflow-wrap: anywhere; }
.planner-action { display: inline-flex; justify-content: center; align-items: center; min-height: 48px; padding: .6rem 1rem; background: #173d33; color: white; margin-top: .8rem; text-decoration: none; }
.planner-note { font-size: .8rem; color: #3c5b4d; margin: 1.3rem 0 0; }
@media (max-width: 1000px) { .planner-layout { grid-template-columns: minmax(0,1fr) minmax(0,1fr); } .planner-result { grid-column: 1 / -1; } }
@media (max-width: 650px) { .planner-layout { grid-template-columns: 1fr; } .planner-result { grid-column: auto; } .planner-stage { height: 230px; } .planner-heading { text-align: left; } }
@media (prefers-reduced-motion: no-preference) { .planner-tooth { transition: background-color .2s, border-color .2s; } }
.planner-model { --zoom: 1.2; }
fieldset.planner-panel label { min-height: 36px; display: flex; align-items: center; font-weight: 400; }
.planner-model-controls > label[for="planner-tooth-select"] { margin-top: 1rem; font-weight: 600; }
/* Arcada ilustrativa: gengiva e esmalte dão volume sem representar anatomia clínica. */
.planner-stage { height: 290px; background: radial-gradient(ellipse at 50% 48%, #f4faf4 0%, #d5e8dd 52%, #c1ddce 100%); border-radius: 16px; margin: 1rem 0; }
.planner-model { --zoom: 1.25; }
.planner-tooth { width: var(--tooth-width, 25px); height: var(--tooth-height, 39px); border-radius: 34% 34% 43% 43%; border-color: #a5bcb2; background: radial-gradient(ellipse at 38% 22%, #fff 6%, #f8fbf5 38%, #d9e9df 72%, #abc7ba 100%); box-shadow: inset 2px 2px 5px #fff, inset -4px -5px 7px #60847645, 0 5px 9px #224b3730; }
.planner-tooth[aria-pressed=true] { background: radial-gradient(ellipse at 35% 25%, #fff3ce, #d3aa5e 75%); border-color: #806021; }
#planner-clear-teeth { min-height: 44px; margin-top: .6rem; padding: .5rem .9rem; border: 1px solid #9ab3a0; border-radius: 6px; background: #fff; color: #173c31; font: inherit; cursor: pointer; }
#planner-clear-teeth:focus-visible { outline: 3px solid #865f20; outline-offset: 3px; }
@media(max-width:650px) { .planner-stage { height: 260px; } }
.planner-jaw::before { display: none; }
.planner-jaw::before { content: ''; position: absolute; pointer-events: none; display: block; width: 220px; height: 17px; left: -110px; border-radius: 45%; background: linear-gradient(#e4b7a7, #edcfc3); box-shadow: inset 0 2px 4px #fff9; transform: translateZ(-38px); }
.planner-upper::before { top: -47px; }
.planner-lower::before { top: 35px; }