:root{font-family:system-ui,-apple-system,"Segoe UI",sans-serif;color-scheme:light dark;--bg:#f1f5fa;--panel:#fff;--ink:#182b40;--muted:#52657b;--border:#d8e1ec;--brand:#09529c;--hover:#073e75;--warn:#7d520a;--success:#137447}
@media(prefers-color-scheme:dark){:root{--bg:#101a28;--panel:#18283a;--ink:#ebf1f8;--muted:#aec0d3;--border:#354b62;--brand:#5ea6ed;--hover:#9bccff;--warn:#f3c36c;--success:#5fd09a}}
*{box-sizing:border-box}body{background:var(--bg);color:var(--ink);margin:0;font-size:15px;line-height:1.5}a{color:var(--brand)}.shell{max-width:1200px;margin:auto;padding:clamp(12px,2.5vw,28px)}.top{background:var(--panel);border-bottom:1px solid var(--border)}.top-inner{max-width:1200px;margin:auto;padding:10px 25px;display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap}.brand{font-size:1.3rem;font-weight:750;text-decoration:none;color:var(--ink)}nav{display:flex;align-items:center;flex-wrap:wrap;gap:12px}.muted,small{color:var(--muted)}h1{font-size:clamp(1.5rem,2vw,2rem);margin:.1em 0 .7em}h2{font-size:1.2rem;margin:0 0 .6em}h3{font-size:1rem;margin:0 0 .6em}.card{background:var(--panel);border:1px solid var(--border);border-radius:13px;padding:clamp(16px,2.2vw,25px);margin-bottom:16px;min-width:0}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,320px),1fr));gap:16px}.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.space{justify-content:space-between}.stack{display:grid;gap:10px}label{display:grid;gap:4px;font-weight:600}input,select,textarea,button{font:inherit}input,select,textarea{width:100%;background:var(--panel);border:1px solid var(--border);border-radius:8px;padding:10px;color:var(--ink)}input[type=checkbox]{width:auto}button,.btn{display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--brand);border-radius:8px;background:var(--brand);color:var(--panel);padding:9px 13px;text-decoration:none;cursor:pointer;font-weight:600;gap:5px}button.secondary,.btn.secondary{background:transparent;color:var(--brand)}button.danger{background:transparent;color:#b43a35;border-color:#b43a35}button:hover,.btn:hover{filter:brightness(.9)}button:disabled{opacity:.55;cursor:wait}.pill{display:inline-block;border-radius:50px;padding:3px 9px;font-size:.78rem;background:var(--bg);border:1px solid var(--border)}.ok{color:var(--success)}.warning{color:var(--warn)}.alert{background:var(--panel);border:1px solid var(--border);border-left:4px solid var(--brand);padding:11px 14px;border-radius:8px;margin-bottom:15px}.error{border-left-color:#bd3535}.tablewrap{overflow-x:auto}table{width:100%;border-collapse:collapse;white-space:nowrap}th,td{text-align:left;padding:10px 9px;border-bottom:1px solid var(--border);vertical-align:top}th{font-size:.84rem;color:var(--muted)}.actions{display:flex;gap:8px;flex-wrap:wrap}fieldset{border:1px solid var(--border);border-radius:9px;margin:10px 0;padding:12px}legend{font-weight:700}iframe{display:block;width:100%;height:74vh;min-height:640px;border:1px solid var(--border);border-radius:12px;background:white}.login{max-width:460px;margin:6vh auto}.tools{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.tools>*{flex:1 1 165px}.checkline{display:flex;align-items:center;gap:9px;font-weight:normal}.checkline input{flex:0 0 auto}footer{padding:24px;text-align:center;color:var(--muted)}
.inline{display:inline;margin:0}.user-form{display:grid;gap:10px;grid-template-columns:1fr minmax(120px,180px) auto minmax(220px,1fr) auto;align-items:end;border-top:1px solid var(--border);padding:16px 0}.user-form strong{align-self:center}.user-form label{font-size:.9rem}.user-form .checkline{align-self:center}.user-form input,.user-form select{min-width:0}code{background:var(--bg);padding:2px 5px;border-radius:4px}input[type=file]{padding:12px}button, .btn{min-height:40px}.tablewrap{width:100%}input[type=search]{min-width:180px}iframe{scrollbar-gutter:stable}
@media(max-width:850px){.user-form{grid-template-columns:1fr 1fr}.user-form strong{grid-column:1/-1}.user-form button{grid-column:1/-1}.tools{align-items:end}iframe{height:75vh;min-height:520px}}
@media(max-width:550px){nav{gap:8px;font-size:.9rem}.top-inner{padding:12px}.shell{padding:12px}.user-form{grid-template-columns:1fr}.user-form strong,.user-form button{grid-column:auto}iframe{min-height:480px}button,.btn{width:auto}}

/* v0.2: Navigation und Kopfzeile nach dem Grunddesign der Oberstufen-App.
   Kein Schullogo; Hamburger rechts auf ALLEN Bildschirmgrößen. */
:root{--pg-blue:#010d6e;--pg-cyan:#00b2fe;--nav-backdrop:rgba(2,12,48,.52)}
.top-nav{width:100%;margin:0;padding:10px clamp(12px,2.5vw,28px);min-height:66px;position:sticky;top:0;z-index:80;display:flex;justify-content:flex-start;align-items:center;gap:14px;border:0;border-bottom:3px solid var(--pg-cyan);border-radius:0;background:var(--pg-blue);color:#fff;box-shadow:0 10px 24px rgba(1,13,110,.24)}
.top-nav-brand{font-weight:700;font-size:clamp(1.1rem,2vw,1.3rem);color:#fff;text-decoration:none;letter-spacing:.01em}
.top-nav-brand:hover{color:#fff;text-decoration:underline;text-decoration-color:var(--pg-cyan)}
.top-nav-toggle{display:flex;align-items:center;justify-content:center;flex-direction:column;gap:5px;width:44px;height:44px;padding:0;margin-left:auto;border:1px solid rgba(255,255,255,.78);border-radius:12px;background:rgba(255,255,255,.08);color:#fff;cursor:pointer;flex:0 0 auto;box-shadow:none}
.top-nav-toggle:hover{background:rgba(255,255,255,.16);filter:none}
.top-nav-toggle-bar{display:block;width:20px;height:2px;background:#fff;border-radius:10px}
.top-nav-mobile{position:fixed;inset:0;z-index:110;pointer-events:none;visibility:hidden;transition:visibility .25s}
.top-nav-mobile[aria-hidden="false"]{pointer-events:auto;visibility:visible}
.top-nav-mobile-backdrop{position:absolute;inset:0;background:var(--nav-backdrop);backdrop-filter:blur(4px);opacity:0;transition:opacity .25s}
.top-nav-mobile[aria-hidden="false"] .top-nav-mobile-backdrop{opacity:1}
.top-nav-mobile-panel{position:absolute;top:0;bottom:0;right:0;width:min(360px,92vw);overflow-y:auto;display:flex;flex-direction:column;background:var(--pg-blue);border-left:3px solid var(--pg-cyan);box-shadow:-6px 0 22px rgba(1,13,110,.34);color:#fff;transform:translateX(103%);transition:transform .25s;overscroll-behavior:contain}
.top-nav-mobile[aria-hidden="false"] .top-nav-mobile-panel{transform:translateX(0)}
.top-nav-mobile-header{display:flex;align-items:center;justify-content:space-between;padding:20px 24px;border-bottom:1px solid rgba(255,255,255,.17)}
.top-nav-mobile-title{font-size:1.25rem;font-weight:700}
.top-nav-mobile-close{display:flex;align-items:center;justify-content:center;width:40px;height:40px;border:1px solid rgba(255,255,255,.75);border-radius:10px;background:transparent;color:#fff;font-size:31px;line-height:1;cursor:pointer;box-shadow:none}
.top-nav-mobile-close:hover{background:rgba(0,178,254,.16);filter:none}
.top-nav-mobile-section{padding:20px 24px 0}
.top-nav-mobile-section-title{font-size:.75rem;font-weight:750;text-transform:uppercase;letter-spacing:.07em;color:rgba(255,255,255,.68);margin:0 0 10px}
.top-nav-mobile-list{display:grid;gap:6px}
.drawer-link{display:block;color:#fff;text-decoration:none;padding:12px 15px;border-radius:12px;border:1px solid transparent;font-size:1rem;transition:background .15s,border-color .15s}
.drawer-link:hover{color:#fff;background:rgba(0,178,254,.14);border-color:rgba(0,178,254,.65)}
.drawer-link--active{background:var(--pg-cyan);color:var(--pg-blue);font-weight:700}
.drawer-link--active:hover{color:var(--pg-blue);background:#35c1ff}
.top-nav-mobile-account{margin-top:auto;padding-bottom:8px;display:grid;gap:12px}
.top-nav-mobile-account .user-pill{color:#fff;background:rgba(0,178,254,.18);border:1px solid rgba(0,178,254,.38);display:block;padding:8px 12px;border-radius:25px;font-size:.85rem}
.top-nav-mobile-action-button{width:100%;color:#fff!important;border-color:rgba(255,255,255,.7)!important;background:transparent!important}
.top-nav-mobile-action-button:hover{background:rgba(255,255,255,.15)!important;filter:none}
.top-nav-mobile-version{color:rgba(255,255,255,.65);font-size:.76rem;margin:0;padding:10px 24px 18px}
.top-nav :focus-visible,.top-nav-mobile :focus-visible{outline:3px solid #fff;outline-offset:3px}
.summary-card{display:flex;flex-wrap:wrap;gap:10px 30px;align-items:center;justify-content:space-around}
.summary-card>div{display:flex;align-items:baseline;gap:8px;color:var(--muted)}
.stat-number{font-size:1.5rem;font-weight:750;color:var(--ink)}
.release-actions{display:flex;align-items:center;gap:8px;white-space:nowrap}
.release-actions form{margin:0}
.release-actions button{min-height:36px;padding:6px 10px}
body.drawer-open{overflow:hidden}
@media(max-width:550px){.top-nav{padding:10px 12px}.top-nav-mobile-panel{width:min(340px,92vw)}.summary-card{justify-content:flex-start}.release-actions{flex-wrap:wrap}}
@media(prefers-reduced-motion:reduce){.top-nav-mobile,.top-nav-mobile-backdrop,.top-nav-mobile-panel{transition:none}}