:root{font-family:system-ui,-apple-system,sans-serif;color:#193545;background:#eef1f4;line-height:1.55}*{box-sizing:border-box}body{margin:0}header{padding:42px max(24px,calc((100vw - 1160px)/2));background:linear-gradient(115deg,#d0dae2,#fff 56%,#dbe5eb);border-top:5px solid #a32d43;border-bottom:1px solid #b7c6ce}h1{font-size:clamp(28px,4vw,48px);line-height:1.12;letter-spacing:-1.5px;margin:15px 0}h2{font-size:28px;margin:6px 0 18px}h3{margin:0 0 14px;font-size:19px}.eyebrow{font-size:11px;letter-spacing:1.8px;font-weight:700;color:#677c8a}main{max-width:1208px;margin:auto;padding:24px}nav{display:flex;gap:9px;flex-wrap:wrap;margin:24px 0}nav a{padding:12px 20px;border:1px solid #b8c8d0;color:#234b60;text-decoration:none;border-radius:24px;background:#fff}nav a[aria-current]{background:#143e50;color:white;border-color:#143e50}.identity{display:flex;align-items:center;gap:18px}.identity form{margin-left:auto}.grid{display:grid;grid-template-columns:1.2fr 1fr;gap:22px;margin:25px 0}section,article{background:white;border:1px solid #c7d3dc;padding:26px;box-shadow:0 6px 25px #19354506}article{margin:14px 0;border-left:3px solid #527d94}label{display:block;font-size:13px;font-weight:600;margin-bottom:16px}input,textarea,select{display:block;width:100%;font:inherit;padding:11px;border:1px solid #a9bdc9;background:#fbfcfd;color:#193545;margin-top:6px;border-radius:4px}button,.button{display:inline-block;background:#163e53;color:white;border:1px solid #163e53;padding:11px 20px;border-radius:24px;font:inherit;font-size:13px;cursor:pointer;text-decoration:none}.quiet{background:#fff;color:#21465c}.notice,.alert,.success{padding:18px 22px;border-left:4px solid #a32d43;background:#fff}.success{border-color:#28734f}.actions{display:flex;gap:16px;flex-wrap:wrap;margin-top:15px}.actions form{display:flex;gap:10px;align-items:center}.actions select{margin:0}small{color:#576e7c;font-size:12px}details{margin:12px 0}code{font-size:11px;overflow-wrap:anywhere}footer{max-width:1208px;margin:auto;padding:25px;color:#607784;font-size:12px}.pre{white-space:pre-wrap;overflow-wrap:anywhere}.login{max-width:520px;margin:20px auto}.sectionhead{margin-top:30px}a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid #a32d43;outline-offset:3px}@media(max-width:720px){.grid{grid-template-columns:1fr}main{padding:16px}section,article{padding:20px}.actions,.actions form{display:block}.actions button{margin-top:10px}.identity{flex-wrap:wrap}nav a{padding:9px 13px}}

/* LER Silverbrush / Signal Red / Electric Cyan · R2 */
:root{--ler-silver:#E4EBF0;--ler-ink:#193545;--ler-red:#AD2942;--ler-special:#00AFC7;--ler-special-light:#74E9F4;--ler-paper:#F4F7F9;--ler-brush:linear-gradient(115deg,#CBD6DF,#FFFFFF 54%,#DCE6ED);--ler-glow:0 0 30px #00AFC730}
header{background:var(--ler-brush);border-top-color:var(--ler-red)}button,.button{transition:box-shadow .2s,transform .2s}button:hover,.button:hover{box-shadow:var(--ler-glow);transform:translateY(-1px)}button:focus-visible,a:focus-visible{outline-color:var(--ler-special)}nav a[aria-current]{border-bottom:3px solid var(--ler-red)}.workspace .sectionhead{border-left:4px solid var(--ler-special);padding-left:18px}.video-backdrop{position:fixed;inset:0;z-index:-2;background:#091B2A}.video-backdrop video{width:100%;height:100%;object-fit:cover}.video-backdrop:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,#07152445,#07152405 60%,#07152425)}.login-page{background:#0A1D2A00;min-height:100vh;isolation:isolate}.login-page header{background:linear-gradient(115deg,#e4ebf0e8,#ffffffc7 55%,#dce6edce);backdrop-filter:blur(12px);padding-top:30px;padding-bottom:24px}.login-page main{display:grid;grid-template-columns:minmax(0,1fr) minmax(340px,460px);gap:40px;align-items:center;min-height:57vh}.login-page .login{width:100%;max-width:none;margin:0;background:#f8fbfff0;border:1px solid #ffffffb0;box-shadow:0 20px 70px #07152440;border-top:4px solid var(--ler-red);backdrop-filter:blur(14px);grid-column:2}.announcement{color:#fff;padding:26px 0;text-shadow:0 2px 16px #05192670}.announcement .eyebrow{color:var(--ler-special-light);border-left:4px solid var(--ler-special-light);padding-left:12px}.announcement h2{font-size:clamp(30px,4vw,48px);line-height:1.1;margin-top:24px;letter-spacing:-1px}.announcement p{font-size:18px;max-width:530px}.login-page footer{color:#d8e9f2}.motion-control{position:fixed;right:20px;bottom:18px;z-index:10;background:#092333e6;border-color:#72dce9;color:white}.login-page .alert,.login-page .success{grid-column:1/-1;margin:0}.checkbox{display:flex;gap:12px;align-items:center}.checkbox input{width:20px;height:20px}.special{border-left:4px solid var(--ler-special);box-shadow:var(--ler-glow)}@media(max-width:760px){.login-page main{grid-template-columns:1fr;gap:16px}.login-page .login{grid-column:1}.announcement{padding:12px 4px}.announcement h2{font-size:32px}.login-page footer{padding-bottom:80px}.login-page header h1{font-size:30px}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}

/* R3: full viewport video, compact floating header */
.login-page{position:relative;min-height:100svh;background:#0c2332}.video-backdrop{z-index:0;background:radial-gradient(ellipse at 15% 20%,#385166,#0c2332 75%)}.login-page header,.login-page main,.login-page footer{position:relative;z-index:1}.login-page header{max-width:1160px;margin:24px auto 0;padding:20px 28px;background:linear-gradient(115deg,#e4ebf0e0,#ffffffbd,#dce6edbd)}.login-page header h1{font-size:clamp(24px,3vw,36px);margin:10px 0}.login-page header p{margin:8px 0}.login-page main{min-height:60vh}.login-page .motion-control{z-index:10}.media-editor{margin-top:24px}.media-preview{display:block;width:100%;max-width:720px;max-height:420px;background:#0c2332;margin:18px 0}.media-editor h3{margin-top:16px}@media(max-width:760px){.login-page header{margin:12px 16px 0;padding:18px}.login-page main{min-height:0}.login-page .announcement h2{font-size:28px}}

/* R4: Two layers crossfade; text follows the active clip. */
.video-backdrop video{position:absolute;inset:0;opacity:0;transition:opacity 1s ease;pointer-events:none}.video-backdrop video.is-active{opacity:1}.video-backdrop:after{pointer-events:none}.clip-editor{padding:16px;border:1px solid #b7c6ce;background:#f4f7f9}.clip-editor summary{cursor:pointer;font-weight:700}.announcement[hidden]{display:none}.announcement.text-enter{animation:clip-text-in .6s ease}@keyframes clip-text-in{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}@media(prefers-reduced-motion:reduce){.announcement.text-enter{animation:none}}

/* Sprint R5: compact overview */
.dashboard-intro{display:flex;justify-content:space-between;align-items:center;gap:24px;background:var(--ler-brush);border-top:3px solid var(--ler-red)}.dashboard-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:22px 0}.dashboard-stats a{padding:22px;background:white;border:1px solid #bccbd4;text-decoration:none;color:var(--ler-ink);border-bottom:3px solid var(--ler-special)}.dashboard-stats b{display:block;font-size:34px}.dashboard-stats span{font-size:13px}.dashboard-row{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:14px 0;border-bottom:1px solid #e0e7ec}.dashboard-row small{display:block;margin-top:5px}.dashboard-row form{flex-shrink:0}.room-links{display:grid;gap:10px}.room-links a{padding:12px 16px;background:var(--ler-paper);border-left:3px solid var(--ler-special);color:var(--ler-ink);text-decoration:none;font-weight:650}.room-links span{display:block;font-size:12px;font-weight:400}.muted{font-size:13px;color:#5c7180}.next-modules{border-left:4px solid #8a9ca7}.clip-action{margin-top:20px}.danger{background:var(--ler-red);border-color:var(--ler-red)}progress{width:100%;margin-top:18px}#upload-status{white-space:pre-wrap}.clip-editor{margin:24px 0}.clip-editor .media-preview{max-width:100%}@media(max-width:720px){.dashboard-intro{display:block}.dashboard-stats{grid-template-columns:1fr}.dashboard-row{align-items:flex-start;flex-wrap:wrap}}

.media-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;margin:24px 0}.media-card{min-width:0;margin:0;padding:18px;border-left:1px solid #c7d3dc}.media-card h3{font-size:16px;overflow-wrap:anywhere;margin:16px 0}.media-card-top{display:flex;justify-content:space-between;gap:10px;align-items:center;margin-bottom:12px}.media-status{font-size:10px;font-weight:800;letter-spacing:1px;padding:6px 9px;background:#e5ecf1}.media-status.active{background:#dceff2;color:#175364}.media-status.draft{color:#714831;background:#efe3d9}.card-preview{width:100%;aspect-ratio:16/9;object-fit:contain;display:block;background:#0c2332}.order-toolbar{display:flex;gap:16px;align-items:center;flex-wrap:wrap;padding:18px 0}.position-select{max-width:140px}.media-card summary{cursor:pointer;font-weight:650;padding:10px 0}.media-layer{position:absolute;inset:0;opacity:0;transition:opacity 1s ease}.media-layer.is-active{opacity:1}.video-backdrop .media-layer video,.video-backdrop .media-layer img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:1;transition:none}.media-layer [hidden],.room-link[hidden]{display:none!important}@media(max-width:760px){.media-grid{grid-template-columns:1fr}.media-editor{padding:16px}.media-card{padding:14px}}
/* R7: Einstellungen und eindeutiger Upload */
.settings-link{margin-left:auto;color:#234b60;text-decoration:none;font-weight:700}.settings-path{font-size:.85rem;color:#456273}.upload-drop{display:flex;flex-direction:column;gap:10px;padding:25px;border:2px dashed #7996a8;background:linear-gradient(120deg,#f9fcff,#e9f0f5);cursor:pointer}.upload-drop strong{font-size:1.15rem}.upload-drop.dragging{border-color:#bd303b;background:#fff3f3}.upload-drop input{background:white}#multi-video-upload{padding:18px;background:#f1f5f8;border:1px solid #cedae3;margin-bottom:25px}#upload-progress{width:100%;height:14px;margin-top:18px;accent-color:#264f63}#upload-selection,#upload-status{white-space:pre-wrap;overflow-wrap:anywhere}#upload-status:not(:empty){padding:16px;background:#fff;border-left:4px solid #315c73}#upload-status[data-result=error]{border-color:#b93642}.extra-announcement{background:white;padding:20px;margin:24px 0;border:1px solid #ccd8e1}.extra-announcement summary{font-weight:700;cursor:pointer}.workspace>header{padding-top:18px;padding-bottom:18px}.workspace>header h1{font-size:1.6rem}.workspace>header h1 br{display:none}.workspace>header p{margin-bottom:0}[hidden]{display:none!important}