/* SDAPT uses the shared story frame; every phase keeps the actual split. */
.sd-art {color:var(--text);font-size:.85rem;line-height:1.5;}
.sd-art * {box-sizing:border-box;min-width:0;}
.sd-icon {width:24px;height:24px;flex:none;vertical-align:middle;}
.sd-network {display:grid;grid-template-columns:minmax(0,1fr) minmax(120px,.8fr) minmax(0,1fr);gap:20px;align-items:center;padding:19px 0;border-bottom:1px solid var(--line);}
.sd-endpoint {display:flex;align-items:center;gap:11px;padding:12px 14px;border:1px solid var(--line);border-radius:10px;background:var(--soft);color:var(--muted);min-height:76px;}
.sd-endpoint strong,.sd-endpoint small {display:block;}
.sd-endpoint strong {font-size:.8rem;font-weight:600;}
.sd-endpoint small {font-size:.65rem;margin-top:3px;}
.sd-endpoint.sd-active {border-color:var(--accent);background:var(--tint);color:var(--accent);}
.sd-endpoint.sd-active strong {color:var(--accent);}
.sd-phase {text-align:center;}
.sd-phase strong,.sd-phase span {display:block;}
.sd-phase strong {font-size:.74rem;}
.sd-phase span {font-size:.65rem;color:var(--muted);margin-top:4px;}
.sd-scene-body {display:flex;flex-direction:column;gap:20px;min-height:430px;padding:22px 0 8px;}
.sd-stage-heading h3 {font-size:clamp(1.16rem,2vw,1.45rem);line-height:1.35;letter-spacing:-.025em;margin:6px 0 0;font-weight:600;}
.sd-eyebrow {display:block;color:var(--muted);font-size:.63rem;letter-spacing:.06em;text-transform:uppercase;font-weight:600;}
.sd-stage-heading>.sd-eyebrow {color:var(--accent);}
.sd-pair {display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;}
.sd-card {padding:17px;border:1px solid var(--line);border-radius:12px;background:var(--surface);}
.sd-card>header {display:flex;align-items:center;gap:8px;margin-bottom:16px;}
.sd-card>header>strong {font-size:.77rem;font-weight:600;}
.sd-card>header>span:last-child:not(.sd-client-tag) {margin-left:auto;color:var(--muted);font-size:.66rem;}
.sd-client-tag {display:inline-grid;place-items:center;width:25px;height:25px;border:1px solid var(--line);border-radius:6px;background:var(--surface);font-size:.68rem;font-weight:650;color:var(--text);flex:none;}
.sd-view-flow {display:grid;grid-template-columns:75px minmax(0,1fr);gap:17px;align-items:center;margin-bottom:16px;}
.sd-image-source {display:grid;justify-items:center;gap:6px;color:var(--accent);}
.sd-image-source>.sd-icon {width:47px;height:47px;}
.sd-image-source>small {color:var(--muted);font-size:.63rem;}
.sd-crops {display:grid;grid-template-columns:1fr 1fr;gap:12px;align-items:start;}
.sd-view-group {display:grid;gap:8px;justify-items:center;color:var(--accent);}
.sd-view-group>span {font-size:.65rem;color:var(--muted);}
.sd-global-views {display:flex;gap:5px;padding-top:3px;}
.sd-global-views>.sd-icon {width:29px;height:29px;}
.sd-local-views {display:grid;grid-template-columns:repeat(4,15px);gap:3px;}
.sd-local-views>.sd-icon {width:15px;height:15px;}
.sd-client-encoder {display:flex;align-items:center;justify-content:center;gap:10px;border:1px solid var(--line);border-radius:8px;background:var(--soft);padding:12px 9px;}
.sd-client-encoder strong {display:block;font-size:.72rem;font-weight:600;}
.sd-client-encoder small {display:block;font-size:.61rem;color:var(--muted);margin-top:3px;}
.sd-state {display:inline-flex;align-items:center;justify-content:center;gap:5px;border:1px solid currentColor;border-radius:5px;padding:4px 7px;font-size:.63rem;line-height:1.3;white-space:nowrap;}
.sd-state>.sd-icon {width:14px;height:14px;}
.sd-frozen {color:var(--muted);}
.sd-train {color:var(--accent);}
.sd-feature-upload {display:flex;justify-content:center;align-items:center;gap:12px;padding-top:14px;color:var(--accent);}
.sd-feature-upload>span:not(.sd-tokens) {font-size:.67rem;}
.sd-feature-upload>.sd-icon {width:20px;height:20px;}
.sd-tokens {display:inline-flex;gap:4px;align-items:center;color:var(--accent);flex:none;}
.sd-tokens>i,.sd-tokens>b {display:block;width:12px;height:20px;border:1px solid currentColor;background:var(--tint);border-radius:3px;}
.sd-tokens>b {height:12px;border-radius:50%;background:currentColor;margin-right:2px;}
.sd-encoded>i {background:color-mix(in srgb,var(--accent) 55%,var(--surface));}
.sd-batch,.sd-server-batch {display:flex;align-items:center;justify-content:center;gap:14px;border:1px solid var(--accent);border-radius:10px;background:var(--tint);padding:12px 18px;}
.sd-batch>strong,.sd-server-batch>strong {font-size:.78rem;font-weight:600;}
.sd-batch>span {display:flex;gap:7px;align-items:center;}
.sd-server-batch>span {font-size:.65rem;color:var(--muted);}
.sd-batch>.sd-icon,.sd-server-batch>.sd-icon {color:var(--accent);}
.sd-distillation {display:grid;grid-template-columns:minmax(0,1fr) 90px minmax(0,1fr);gap:13px;align-items:center;max-width:700px;width:100%;margin:auto;}
.sd-model {display:flex;flex-direction:column;gap:7px;align-items:center;text-align:center;min-height:166px;padding:14px;border:1px solid currentColor;border-radius:12px;background:color-mix(in srgb,currentColor 5%,var(--surface));}
.sd-model>.sd-icon {width:35px;height:35px;}
.sd-model>strong {color:currentColor;font-weight:600;font-size:.9rem;}
.sd-model>small {font-size:.68rem;}
.sd-teacher {color:var(--story-secondary);}
.sd-student {color:var(--accent);}
.sd-mask-note {display:flex;align-items:center;gap:5px;font-size:.62rem;margin-top:1px;}
.sd-mask-note>.sd-icon {width:15px;height:15px;}
.sd-ema {display:flex;flex-direction:column;gap:7px;align-items:center;color:var(--story-secondary);}
.sd-ema>.sd-icon {transform:rotate(180deg);width:43px;height:23px;}
.sd-ema>strong {font-size:.68rem;color:currentColor;font-weight:600;}
.sd-objective {max-width:700px;margin:auto;width:100%;}
.sd-objective-inputs {display:flex;justify-content:space-around;font-size:.64rem;color:var(--muted);margin-bottom:8px;}
.sd-objective-inputs>span:first-child {color:var(--story-secondary);}
.sd-loss {border:1px solid var(--line);border-radius:9px;padding:11px 15px;display:flex;justify-content:center;align-items:center;gap:20px;background:var(--soft);}
.sd-loss>strong {font-size:.75rem;font-weight:600;}
.sd-loss>span {font-size:.83rem;}
.sd-server-update {display:flex;justify-content:center;align-items:center;gap:9px;margin-top:12px;color:var(--accent);}
.sd-server-update>strong {font-size:.71rem;font-weight:600;color:currentColor;}
.sd-server-update>span {font-size:.65rem;color:var(--muted);}
.sd-server-update>.sd-icon {width:22px;height:22px;}
.sd-inference {display:grid;grid-template-columns:minmax(0,1fr) minmax(150px,.75fr) minmax(0,1fr);gap:17px;align-items:center;margin-top:9px;}
.sd-original-image {display:grid;justify-items:center;gap:7px;margin:16px 0;color:var(--accent);}
.sd-original-image>.sd-icon {width:42px;height:42px;}
.sd-original-image>strong {font-size:.76rem;font-weight:600;}
.sd-original-image>small {font-size:.63rem;color:var(--muted);}
.sd-inference-client .sd-client-encoder {flex-wrap:wrap;}
.sd-inference-client .sd-client-encoder>.sd-icon {width:21px;height:21px;}
.sd-frozen-server {display:flex;flex-direction:column;align-items:center;gap:13px;min-height:215px;border-color:var(--story-secondary);}
.sd-frozen-server>header {align-self:stretch;margin-bottom:5px;}
.sd-frozen-server>.sd-icon {width:48px;height:48px;color:var(--story-secondary);}
.sd-frozen-server>strong {font-size:.88rem;font-weight:600;}
.sd-representation-paths {display:grid;gap:30px;}
.sd-route {display:flex;flex-direction:column;gap:8px;align-items:center;color:var(--accent);text-align:center;}
.sd-route>span {font-size:.65rem;}
.sd-route>.sd-icon {height:24px;width:55px;}
.sd-route.sd-back {color:var(--story-secondary);}
.sd-back>.sd-icon {transform:rotate(180deg);}
.sd-representation-key {display:flex;align-items:center;justify-content:center;gap:14px;flex-wrap:wrap;}
.sd-representation-key>strong {font-size:.77rem;font-weight:600;}
.sd-representation-key>span:not(.sd-tokens) {font-size:.68rem;color:var(--muted);}
.sd-qualification {text-align:center;font-size:.64rem;color:var(--muted);margin:0;}
.sd-head-input {display:flex;gap:13px;align-items:center;justify-content:center;margin:5px 0 14px;}
.sd-head-input>span:last-child {font-size:.67rem;color:var(--muted);}
.sd-task-head {display:flex;gap:12px;align-items:center;justify-content:center;border:1px solid var(--accent);border-radius:9px;padding:15px 9px;background:var(--tint);color:var(--accent);}
.sd-task-head>strong {font-size:.8rem;font-weight:600;}
.sd-supervised-loss {display:grid;grid-template-columns:1fr 20px 1fr;gap:8px;text-align:center;padding:16px 6px 0;}
.sd-supervised-loss>span {font-size:.68rem;color:var(--muted);}
.sd-supervised-loss>strong {grid-column:1/-1;border:1px solid var(--line);background:var(--soft);border-radius:7px;padding:8px;font-weight:600;font-size:.72rem;}
.sd-head-update {display:flex;justify-content:center;align-items:center;gap:8px;color:var(--accent);margin-top:13px;}
.sd-head-update>strong {color:currentColor;font-size:.7rem;font-weight:600;}
.sd-head-update>.sd-icon {width:19px;height:19px;}
.sd-foot {display:flex;align-items:center;justify-content:center;gap:17px;flex-wrap:wrap;}
.sd-foot>span:not(.sd-state) {color:var(--muted);font-size:.68rem;}
.sd-scene-body>[data-reveal]:last-child {margin-top:auto;}
[data-story-kind='sdapt'] .story-steps {grid-template-columns:repeat(4,minmax(0,1fr));}
[data-running='true'] [data-story-scene]:not([hidden]) .sd-feature-upload>.sd-icon {animation:sd-upload 2s ease-in-out infinite;}
[data-running='true'] [data-story-scene]:not([hidden]) .sd-ema>.sd-icon {animation:sd-ema 2.5s ease-in-out infinite;}
@keyframes sd-upload {0%,100%{transform:translateY(2px);}50%{transform:translateY(-3px);}}
@keyframes sd-ema {0%,100%{transform:rotate(180deg) translateX(-2px);}50%{transform:rotate(180deg) translateX(3px);}}
@media(max-width:700px) {
 .sd-network {grid-template-columns:minmax(0,1fr) 85px minmax(0,1fr);gap:9px;padding:16px 0;}
 .sd-endpoint {gap:6px;padding:9px 8px;min-height:92px;flex-wrap:wrap;align-content:center;}
 .sd-endpoint>.sd-icon {width:21px;height:21px;}
 .sd-endpoint strong {font-size:.69rem;}.sd-endpoint small {font-size:.6rem;}
 .sd-phase strong {font-size:.65rem;}.sd-phase span {font-size:.59rem;}
 .sd-scene-body {gap:17px;min-height:600px;padding-top:18px;}
 .sd-stage-heading h3 {font-size:1.1rem;}.sd-eyebrow {font-size:.59rem;}
 .sd-pair {grid-template-columns:1fr;gap:12px;}
 .sd-card {padding:13px;}
 .sd-card>header {margin-bottom:12px;}.sd-card>header>strong {font-size:.73rem;}
 .sd-card>header>span:last-child:not(.sd-client-tag) {font-size:.62rem;}
 .sd-view-flow {grid-template-columns:58px minmax(0,1fr);gap:14px;margin-bottom:11px;}
 .sd-image-source>.sd-icon {width:38px;height:38px;}
 .sd-crops {max-width:190px;gap:14px;margin:auto;}
 .sd-client-encoder {padding:10px 7px;gap:8px;}
 .sd-client-encoder strong {font-size:.69rem;}.sd-client-encoder small {font-size:.6rem;}
 .sd-client-encoder>.sd-icon {width:20px;height:20px;}
 .sd-feature-upload {padding-top:10px;gap:11px;}
 .sd-batch,.sd-server-batch {padding:12px 10px;gap:10px;flex-wrap:wrap;}
 .sd-batch>strong,.sd-server-batch>strong {font-size:.72rem;}
 .sd-server-batch>span {font-size:.62rem;flex-basis:100%;text-align:center;}
 .sd-distillation {grid-template-columns:minmax(0,1fr) 38px minmax(0,1fr);gap:7px;}
 .sd-model {padding:13px 7px;min-height:190px;gap:9px;}
 .sd-model>.sd-eyebrow {font-size:.55rem;min-height:30px;display:grid;align-content:center;}
 .sd-model>strong {font-size:.79rem;}.sd-model>small {font-size:.61rem;}
 .sd-mask-note {flex-direction:column;font-size:.57rem;gap:3px;}
 .sd-ema>.sd-icon {width:32px;}.sd-ema>strong {font-size:.6rem;}
 .sd-objective-inputs {font-size:.59rem;gap:12px;}
 .sd-loss {flex-direction:column;gap:7px;padding:12px 8px;}
 .sd-loss>strong {font-size:.7rem;}.sd-loss>span {font-size:.75rem;}
 .sd-server-update {gap:7px;flex-wrap:wrap;}
 .sd-server-update>strong {font-size:.67rem;}.sd-server-update>span {font-size:.62rem;}
 .sd-inference {grid-template-columns:1fr;gap:12px;margin-top:0;}
 .sd-inference-client {display:grid;grid-template-columns:1fr 1.25fr;gap:10px;}
 .sd-inference-client>header {grid-column:1/-1;margin:0;}
 .sd-original-image {margin:3px 0;gap:4px;}
 .sd-original-image>.sd-icon {width:33px;height:33px;}
 .sd-original-image>strong {font-size:.69rem;}.sd-original-image>small {font-size:.6rem;}
 .sd-inference-client .sd-client-encoder {align-content:center;gap:8px;padding:10px 6px;}
 .sd-representation-paths {grid-template-columns:1fr 1fr;gap:12px;}
 .sd-route {gap:5px;}.sd-route>span {font-size:.61rem;}
 .sd-route>.sd-icon {transform:rotate(90deg);width:27px;height:30px;}
 .sd-back>.sd-icon {transform:rotate(-90deg);}
 .sd-frozen-server {min-height:0;display:grid;grid-template-columns:42px 1fr;gap:10px 14px;}
 .sd-frozen-server>header {grid-column:1/-1;margin:0;}
 .sd-frozen-server>.sd-icon {grid-column:1;grid-row:2/4;width:39px;height:39px;}
 .sd-frozen-server>strong {grid-column:2;font-size:.78rem;}
 .sd-frozen-server>.sd-state {grid-column:2;justify-self:start;}
 .sd-representation-key {gap:10px;}.sd-representation-key>strong {font-size:.7rem;}
 .sd-representation-key>span:not(.sd-tokens) {font-size:.64rem;}
 .sd-qualification {font-size:.61rem;}
 .sd-head-input {margin-bottom:11px;}.sd-head-input>span:last-child {font-size:.63rem;}
 .sd-task-head {padding:11px 8px;gap:12px;}.sd-task-head>strong {font-size:.74rem;}
 .sd-supervised-loss {padding-top:12px;gap:6px;}.sd-supervised-loss>span {font-size:.65rem;}
 .sd-head-update {margin-top:10px;}
 .sd-foot {gap:10px;}.sd-foot>span:not(.sd-state) {font-size:.64rem;text-align:center;}
 [data-story-kind='sdapt'] .story-steps {grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media(prefers-reduced-motion:reduce) {
 .sd-art *,.sd-art *::before,.sd-art *::after {animation:none!important;}
}