:root{
  --ink:#0f2630;
  --ink-2:#173742;
  --text:#53656d;
  --muted:#7b8b92;
  --line:#d7e1e5;
  --soft:#f4f8f9;
  --soft-2:#edf3f5;
  --teal:#073b46;
  --teal-2:#0b4d59;
  --cyan:#12a8dc;
  --cyan-dark:#078ebd;
  --white:#fff;
  --shadow:0 12px 34px rgba(14,42,50,.10);
  --radius:13px;
}
*{box-sizing:border-box}
html{font-family:"Segoe UI",Arial,sans-serif;color:var(--ink);background:#fff;scroll-behavior:smooth}
body{margin:0;line-height:1.58;background:#fff}
a{color:inherit;text-decoration:none}
.wrap{width:min(1296px,calc(100% - 80px));margin-inline:auto}

/* Header – Proportionen und Typografie nach bbh-hemer.eu */
.site-header{padding:0;background:#fff;position:sticky;top:0;z-index:50}
.header-shell{
  min-height:138px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:36px;
  background:#fff;
  border:0;
  border-radius:0;
  box-shadow:0 14px 34px rgba(20,43,52,.07);
  padding:16px 30px;
}
.brand{display:flex;align-items:center;flex:0 0 auto}
.brand img{display:block;width:160px;height:auto;object-fit:contain;object-position:left center}
.main-nav{
  display:flex;
  align-items:center;
  gap:3px;
  min-height:84px;
  background:#fbfcfc;
  border:1px solid #dce5e8;
  border-radius:22px;
  padding:8px;
  font-family:Arial,Helvetica,sans-serif;
  font-size:20px;
  line-height:1;
  font-weight:400;
  color:#273740;
  box-shadow:0 8px 28px rgba(18,46,55,.06);
}
.main-nav>a,.link-button{
  border:0;
  background:transparent;
  color:inherit;
  padding:16px 18px;
  min-height:56px;
  border-radius:16px;
  font:inherit;
  cursor:pointer;
  white-space:nowrap;
  display:flex;
  align-items:center;
  justify-content:center;
  transition:background .16s ease,color .16s ease,box-shadow .16s ease
}
.main-nav>a:hover,.link-button:hover{background:#f0f7f9;color:#0787ad}
.main-nav>a.nav-current{
  background:#eaf8fd;
  color:#0787ad;
  box-shadow:0 7px 18px rgba(9,142,186,.12),inset 0 0 0 1px rgba(18,168,220,.09)
}
.main-nav form{margin:0}

/* Startseite */
.portal-hero-wrap{padding:18px 0 22px;background:#fff}
.portal-hero{position:relative;overflow:hidden;min-height:500px;border-radius:16px;background:linear-gradient(135deg,#082f38 0%,#0a404b 62%,#0b3440 100%);box-shadow:0 16px 32px rgba(6,39,47,.15);display:grid;grid-template-columns:minmax(0,1.1fr) minmax(360px,.72fr);gap:54px;align-items:center;padding:58px 58px}
.portal-hero:before{content:"";position:absolute;inset:auto -80px -105px auto;width:460px;height:220px;border:1px solid rgba(255,255,255,.08);border-radius:50%;transform:rotate(-13deg)}
.portal-hero:after{content:"";position:absolute;right:-120px;bottom:-126px;width:570px;height:260px;border-top:1px solid rgba(18,168,220,.22);border-radius:50%;transform:rotate(-11deg)}
.portal-intro,.access-card{position:relative;z-index:1}
.eyebrow{position:relative;text-transform:uppercase;letter-spacing:.12em;font-size:.68rem;line-height:1.3;font-weight:800;color:var(--cyan);margin-bottom:17px;padding-left:27px}
.eyebrow:before{content:"";position:absolute;left:0;top:50%;width:18px;height:2px;background:var(--cyan);transform:translateY(-50%)}
.portal-intro h1{margin:0;color:#fff;font-size:clamp(2.85rem,5.2vw,5.25rem);font-weight:760;line-height:.98;letter-spacing:-.045em;max-width:720px}
.portal-intro h1 span{color:#33bde7}
.lead{margin:27px 0 0;max-width:650px;color:#d8e6e9;font-size:1.08rem;line-height:1.72}

.access-card{background:rgba(255,255,255,.97);border:1px solid rgba(255,255,255,.45);border-radius:12px;padding:30px;box-shadow:0 18px 44px rgba(0,0,0,.16)}
.access-kicker{display:block;color:#098db9;font-size:.67rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase;margin-bottom:8px}
.access-card h2{margin:0;color:var(--ink);font-size:1.65rem;line-height:1.2;letter-spacing:-.025em}
.access-card-head p{margin:9px 0 23px;color:var(--text);font-size:.94rem}
.code-form{display:grid;gap:10px}
.code-form label{font-size:.82rem;font-weight:700;color:#37515b}
.code-form input{font-size:1rem;letter-spacing:.07em;padding:14px 15px;border-radius:8px}
.button-wide{width:100%;margin-top:7px;justify-content:space-between}

.portal-note{padding:38px 0 72px;background:#fff}
.note-inner{display:grid;grid-template-columns:minmax(320px,.75fr) minmax(0,1fr);gap:70px;align-items:end;padding-top:12px}
.note-inner h2{margin:0;font-size:clamp(1.55rem,2.6vw,2.2rem);line-height:1.15;letter-spacing:-.025em}
.note-inner p{margin:0;color:var(--text);font-size:.97rem;max-width:650px}

/* Allgemeine Inhaltsseiten */
.page-head{padding:34px 0 28px;background:#fff}
.page-head>.wrap{background:linear-gradient(135deg,#0a3440,#0b4652);border-radius:14px;padding:36px 40px;box-shadow:0 12px 28px rgba(8,47,57,.10)}
.page-head .eyebrow{color:#35bce5}
.page-head h1{margin:0;color:#fff;font-size:clamp(2.2rem,4.8vw,4rem);line-height:1;letter-spacing:-.04em}
.page-head p{max-width:760px;margin:16px 0 0;color:#d6e4e7;font-size:1rem}
.content{padding:28px 0 78px}
.narrow{max-width:800px}

.panel{border:1px solid var(--line);border-radius:12px;padding:28px;background:#fff;box-shadow:0 8px 24px rgba(20,54,63,.055)}
.form-stack{display:grid;gap:18px}
label{font-weight:650;font-size:.89rem;color:#38515a}
input,textarea,select{width:100%;border:1px solid #cad9de;background:#fff;padding:12px 13px;font:inherit;margin-top:6px;color:var(--ink);outline:none;border-radius:8px;transition:border-color .15s,box-shadow .15s}
input:focus,textarea:focus,select:focus{border-color:#55bfe1;box-shadow:0 0 0 3px rgba(18,168,220,.10)}

.button,.code-row button{border:0;background:var(--cyan);color:#fff;padding:12px 17px;font-weight:700;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:12px;min-height:46px;border-radius:8px;transition:background .16s ease,transform .16s ease,box-shadow .16s ease}
.button:hover,.code-row button:hover{background:var(--cyan-dark);transform:translateY(-1px);box-shadow:0 7px 16px rgba(8,142,189,.18)}
.button.secondary{background:#fff;color:var(--teal);border:1px solid var(--line)}
.button.secondary:hover{border-color:#b8cbd1;background:#f4f9fa;box-shadow:none}

.file-grid{display:grid;gap:14px}
.file-card{border:1px solid var(--line);border-radius:11px;padding:22px 24px;display:grid;grid-template-columns:48px 1fr auto;align-items:center;gap:20px;background:#fff;transition:box-shadow .16s,border-color .16s}
.file-card:hover{box-shadow:0 10px 26px rgba(16,52,61,.07);border-color:#bcd3da}
.file-icon{width:48px;height:48px;background:#e9f6fa;border:1px solid #caeaf4;border-radius:8px;display:grid;place-items:center;font-size:1.12rem;font-weight:800;color:#0b95c4}
.file-card h2{margin:0 0 4px;font-size:1.12rem;font-weight:700}
.file-card p{margin:0 0 5px;color:var(--text)}
.file-card small{color:var(--muted)}

.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:22px 0 35px}
.stats div{padding:23px 24px;border:1px solid var(--line);border-radius:10px;background:#fff;box-shadow:0 6px 16px rgba(20,54,63,.04)}
.stats strong,.stats span{display:block}
.stats strong{font-size:2rem;line-height:1;font-weight:750;letter-spacing:-.04em;color:var(--teal)}
.stats span{margin-top:7px;color:var(--muted);font-size:.84rem}
.admin-actions{display:flex;flex-wrap:wrap;gap:10px}
.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:11px;background:#fff}
table{width:100%;border-collapse:collapse;min-width:700px}
th,td{text-align:left;padding:14px 16px;border-bottom:1px solid var(--line)}
th{background:#f0f7f9;font-size:.72rem;text-transform:uppercase;letter-spacing:.075em;color:#4a636c}
tbody tr:last-child td{border-bottom:0}
.check{display:flex;gap:12px;align-items:flex-start;border:1px solid var(--line);border-radius:9px;padding:12px;margin:8px 0;background:#fff}
.check input{width:auto;margin-top:5px}.check span,.check strong,.check small{display:block}.check small{font-weight:400;color:var(--muted)}
fieldset{border:0;padding:0;margin:0}legend{font-weight:750;margin-bottom:8px}
.validation,.alert{color:#a43d46;font-size:.88rem}
.alert{margin-top:7px;padding:10px 12px;background:#fff5f5;border-left:3px solid #d46a72;border-radius:5px}
.success{padding:18px;border-left:4px solid #15936d;background:#eff9f5;margin-bottom:20px;display:grid;gap:6px;border-radius:7px}
.generated-code{font-size:1.45rem;font-weight:800;letter-spacing:.12em}
.empty{padding:28px;background:var(--soft);border:1px solid var(--line);border-radius:10px}

/* Footer */
.site-footer{background:#092f38;color:#c9d7da;padding:34px 0;font-size:.84rem}
.footer-grid{display:flex;align-items:center;justify-content:space-between;gap:30px}
.site-footer strong,.site-footer span{display:block}
.site-footer strong{color:#fff;font-size:.91rem;margin-bottom:3px}
.footer-links{display:flex;gap:22px}
.footer-links a:hover{color:#35bce5}

@media(max-width:980px){
  .header-shell{min-height:112px;padding:14px 22px}.brand img{width:135px}.main-nav{font-size:17px;min-height:68px}.main-nav>a,.link-button{min-height:48px;padding:13px 14px}
  .portal-hero{grid-template-columns:1fr;gap:34px;min-height:0;padding:48px 42px}
  .access-card{max-width:640px}
  .note-inner{grid-template-columns:1fr;gap:16px}
}
@media(max-width:720px){
  .wrap{width:min(100% - 28px,1296px)}
  .site-header{position:static;padding-top:0}
  .header-shell{align-items:flex-start;flex-direction:column;gap:14px;padding:18px 20px;min-height:0}
  .brand img{width:132px;height:auto}
  .main-nav{width:100%;overflow:auto;justify-content:flex-start;font-size:16px;min-height:60px;border-radius:18px}
  .main-nav>a,.link-button{padding:12px 13px;min-height:44px;border-radius:13px}
  .portal-hero-wrap{padding-top:8px}
  .portal-hero{padding:36px 24px;border-radius:13px;gap:27px}.portal-intro h1{font-size:clamp(2.65rem,13vw,4rem)}
  .lead{font-size:.98rem;line-height:1.65}.access-card{padding:25px 21px}
  .portal-note{padding:30px 0 52px}.note-inner{padding-top:0}
  .page-head>.wrap{padding:30px 24px}.content{padding:24px 0 58px}.panel{padding:22px}
  .file-card{grid-template-columns:44px 1fr;padding:18px;gap:13px}.file-card .button{grid-column:1/-1}
  .stats{grid-template-columns:1fr}
  .footer-grid{align-items:flex-start;flex-direction:column}.footer-links{flex-wrap:wrap;gap:11px 19px}
}

/* Verwaltung – Benutzer, Freigaben und große Dateilisten */
.admin-two-column{display:grid;grid-template-columns:minmax(320px,.72fr) minmax(0,1.35fr);gap:24px;align-items:start}
.panel h2{margin:0 0 6px;font-size:1.35rem;letter-spacing:-.02em}
.panel-heading,.section-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:18px}
.panel-heading p,.section-heading p{margin:4px 0 0;color:var(--text)}
.section-heading{margin-top:12px}
.section-heading h2{margin:0;font-size:1.45rem}
.current-user{display:block;color:var(--cyan-dark);margin-top:3px}
.actions-cell{text-align:right;white-space:nowrap}
.actions-cell form{margin:0}
.button.small{min-height:36px;padding:8px 12px;font-size:.82rem}
.button.danger{background:#fff;color:#9a3941;border:1px solid #e3b9bd}
.button.danger:hover{background:#fff5f5;color:#812d34;border-color:#d99da3;box-shadow:none}
.compact-table table{min-width:560px}

.access-editor{display:grid;grid-template-columns:minmax(300px,.68fr) minmax(520px,1.32fr);gap:24px;align-items:start}
.access-details{position:sticky;top:164px}
.access-created{max-width:100%;margin-bottom:24px}
.file-picker-panel{min-width:0}
.file-picker-heading{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:18px}
.file-picker-heading h2{margin:0}
.file-picker-heading p{margin:4px 0 0;color:var(--text)}
.file-picker-tools{display:grid;grid-template-columns:minmax(0,1fr) 230px;gap:14px;margin-bottom:12px}
.file-picker-tools label{margin:0}
.file-picker-actions{display:flex;gap:8px;flex-wrap:wrap;margin:0 0 14px}
.file-picker-list{border:1px solid var(--line);border-radius:10px;overflow:auto;max-height:560px;background:#fff}
.file-picker-row{display:grid;grid-template-columns:28px minmax(220px,1fr) 150px 90px;gap:12px;align-items:center;padding:12px 14px;margin:0;border-bottom:1px solid var(--line);background:#fff;cursor:pointer;font-weight:400;transition:background .12s ease}
.file-picker-row:last-child{border-bottom:0}
.file-picker-row:hover{background:#f7fbfc}
.file-picker-row.selected{background:#eef9fc}
.file-picker-row[hidden]{display:none}
.file-picker-row input{width:18px;height:18px;margin:0;accent-color:var(--cyan-dark)}
.file-picker-name{min-width:0}
.file-picker-name strong{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--ink)}
.file-picker-name small{display:block;margin-top:2px;color:var(--muted);font-weight:400;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.file-picker-category{font-size:.82rem;color:#31515c;background:#f0f7f9;border-radius:999px;padding:4px 9px;text-align:center;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.file-picker-size{font-size:.82rem;color:var(--muted);text-align:right;white-space:nowrap}

@media(max-width:1050px){
  .admin-two-column,.access-editor{grid-template-columns:1fr}
  .access-details{position:static}
}
@media(max-width:720px){
  .file-picker-tools{grid-template-columns:1fr}
  .file-picker-row{grid-template-columns:26px minmax(0,1fr) 76px}
  .file-picker-category{display:none}
  .file-picker-size{font-size:.75rem}
}

/* Freigabecodes */
.code-display{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.code-display code,.generated-code{font-family:Consolas,"Courier New",monospace;font-weight:700;letter-spacing:.06em;color:var(--ink)}
.code-display code{padding:7px 9px;border:1px solid var(--line);border-radius:7px;background:#f6fafb;white-space:nowrap}
.icon-button{border:1px solid var(--line);background:#fff;border-radius:7px;padding:7px 9px;cursor:pointer;color:var(--cyan-dark);font:inherit;font-size:.78rem}
.icon-button:hover{background:#eef9fc}
.access-actions{display:flex;gap:6px;justify-content:flex-end;align-items:center;flex-wrap:wrap;min-width:240px}
.access-actions form{display:inline-flex}
.access-table{min-width:1120px}
.muted{color:var(--muted);font-size:.84rem}
.check-row{display:flex!important;align-items:center;gap:9px;font-weight:500!important}
.check-row input{width:18px!important;height:18px;margin:0;accent-color:var(--cyan-dark)}
.hint{display:block;margin-top:-6px;color:var(--muted);line-height:1.45}

/* Mehrfach-Upload und Dateiverwaltung */
.upload-dropzone{border:2px dashed #b8d3da;border-radius:12px;background:#f7fbfc;min-height:170px;padding:28px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;gap:6px;cursor:pointer;transition:border-color .15s ease,background .15s ease,transform .15s ease}
.upload-dropzone:hover,.upload-dropzone.drag-over{border-color:var(--cyan);background:#eef9fc}
.upload-dropzone.drag-over{transform:scale(1.005)}
.upload-dropzone-icon{width:42px;height:42px;border-radius:50%;display:grid;place-items:center;background:#e1f5fa;color:var(--cyan-dark);font-size:1.7rem;line-height:1;font-weight:400;margin-bottom:3px}
.upload-dropzone strong{font-size:1.05rem;color:var(--ink)}
.upload-dropzone small{color:var(--muted);font-weight:400}
.selected-upload-files{border:1px solid var(--line);border-radius:10px;margin-top:12px;max-height:260px;overflow:auto;background:#fff}
.selected-upload-file{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:16px;align-items:center;padding:10px 13px;border-bottom:1px solid var(--line)}
.selected-upload-file:last-child{border-bottom:0}
.selected-upload-file span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-weight:600}
.selected-upload-file small{color:var(--muted)}
.upload-hint{margin-top:5px!important}
.upload-actions{display:flex;gap:10px;flex-wrap:wrap}

.file-management-toolbar{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:12px;flex-wrap:wrap}
.file-management-search{flex:1 1 340px;max-width:620px}
.file-management-search input{margin:0}
.file-management-actions{display:flex;align-items:center;justify-content:flex-end;gap:8px;flex-wrap:wrap}
.file-management-actions>span{color:var(--muted);font-size:.84rem;margin-right:3px;white-space:nowrap}
.file-management-table{min-width:940px}
.file-management-table th,.file-management-table td{vertical-align:middle}
.file-check-col{width:42px;text-align:center!important;padding-left:12px!important;padding-right:8px!important}
.file-check-col input{width:18px;height:18px;margin:0;accent-color:var(--cyan-dark)}
.managed-file-name{display:block;max-width:420px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.managed-file-description{display:block;color:var(--muted);font-weight:400;margin-top:3px;max-width:420px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.file-category-pill,.usage-badge{display:inline-block;border-radius:999px;padding:5px 9px;font-size:.78rem;white-space:nowrap}
.file-category-pill{background:#f0f7f9;color:#31515c}
.usage-badge{background:#f4f6f7;color:#52666c}
.usage-badge.active{background:#e7f7f2;color:#157253}
.managed-file-row[hidden]{display:none}
.managed-file-row:has(.file-delete-check:checked){background:#f8fbfc}
.download-release-heading{margin-top:42px}
.button:disabled{opacity:.45;cursor:not-allowed;transform:none!important;box-shadow:none!important}

@media(max-width:720px){
  .upload-dropzone{min-height:145px;padding:22px 16px}
  .file-management-toolbar{align-items:stretch}
  .file-management-search{max-width:none;flex-basis:100%}
  .file-management-actions{justify-content:flex-start}
}

/* Dateiverwaltung: Upload und Bestandsliste auf einer eigenen Seite */
.file-page-heading{margin-top:0;align-items:flex-end}
.file-upload-panel{margin-bottom:42px}
.file-upload-meta-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.35fr);gap:22px;align-items:start}
.file-list-heading{margin-top:8px}
@media (max-width:760px){.file-upload-meta-grid{grid-template-columns:1fr}.file-page-heading{align-items:flex-start}}