/* SchKG-Training v1 — Look'n'Feel angelehnt an SchKG AI (dunkles Theme, DM Serif/Sans) */
:root{
  --bg:#0f1117; --surface:#1a1d27; --border:#2a2d3a; --accent:#4f8ef7; --accent2:#7c5cbf;
  --text:#e8eaf0; --text-dim:#8b8fa8; --success:#3ecf8e; --danger:#ff5c5c; --radius:12px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
body{min-height:100vh;background:var(--bg);color:var(--text);
     font-family:'DM Sans',sans-serif;font-size:15px;line-height:1.6;}
a{color:var(--accent);}

/* Kopfzeile */
.header{display:flex;align-items:center;gap:12px;min-height:60px;padding:0 18px;
        border-bottom:1px solid var(--border);background:var(--surface);}
.logo{font-family:'DM Serif Display',serif;font-size:22px;letter-spacing:-.3px;
      background:linear-gradient(135deg,var(--accent),var(--accent2));
      -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;}
.header-badge{font-size:11px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;
              color:var(--text-dim);background:var(--border);border-radius:20px;padding:3px 8px;}
.header .spacer{flex:1;}
.nav a{color:var(--text-dim);text-decoration:none;font-size:14px;padding:8px 12px;border-radius:9px;}
.nav a:hover,.nav a.aktiv{color:var(--text);background:var(--border);}
.user-chip{display:flex;align-items:center;gap:7px;padding:4px 10px 4px 6px;
           background:var(--border);border-radius:20px;font-size:12px;color:var(--text-dim);}
.user-chip .avatar{width:24px;height:24px;border-radius:50%;color:#fff;display:flex;
                   align-items:center;justify-content:center;font-size:11px;font-weight:600;
                   background:linear-gradient(135deg,var(--accent),var(--accent2));}
.master-badge{font-size:10px;font-weight:700;color:var(--accent);border:1px solid var(--accent);
              border-radius:5px;padding:1px 5px;}
.logout-btn{background:none;border:1px solid var(--border);color:var(--text-dim);border-radius:9px;
            padding:7px 13px;font-size:13px;cursor:pointer;font-family:inherit;text-decoration:none;}
.logout-btn:hover{border-color:var(--danger);color:var(--danger);}

/* Layout + Karten */
.main{max-width:980px;margin:0 auto;padding:28px 20px 60px;}
h1{font-family:'DM Serif Display',serif;font-size:26px;font-weight:400;margin-bottom:6px;}
h2{font-size:17px;margin:0 0 10px;}
.sub{color:var(--text-dim);font-size:13px;margin-bottom:18px;}
.card{background:var(--surface);border:1px solid var(--border);border-radius:14px;
      padding:18px;margin-bottom:18px;}
.flash{border-radius:11px;padding:11px 15px;margin-bottom:16px;font-size:14px;}
.flash.ok{background:rgba(62,207,142,.1);border:1px solid var(--success);}
.flash.err{background:rgba(255,92,92,.1);border:1px solid var(--danger);}

/* Formulare */
label{display:block;font-size:13px;color:var(--text-dim);margin-bottom:10px;}
input,select,textarea{width:100%;margin-top:4px;background:var(--bg);color:var(--text);
  border:1px solid var(--border);border-radius:9px;padding:9px 11px;font-family:inherit;font-size:14px;}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--accent);}
.zeile{display:flex;gap:12px;flex-wrap:wrap;}
.zeile>label{flex:1;min-width:160px;}
.btn{display:inline-block;border:none;cursor:pointer;font-family:inherit;font-size:14px;
     font-weight:600;padding:10px 18px;border-radius:10px;color:#fff;text-decoration:none;
     background:linear-gradient(135deg,var(--accent),var(--accent2));}
.btn:hover{filter:brightness(1.08);}
.btn.ghost{background:none;border:1px solid var(--border);color:var(--text-dim);}
.btn.ghost:hover{border-color:var(--accent);color:var(--accent);}
.btn.rot{background:none;border:1px solid var(--danger);color:var(--danger);}

/* Tabellen */
table{width:100%;border-collapse:collapse;font-size:14px;}
th{color:var(--text-dim);font-size:12px;text-transform:uppercase;letter-spacing:.04em;
   text-align:left;padding:8px 10px;border-bottom:1px solid var(--border);}
td{padding:9px 10px;border-bottom:1px solid var(--border);}
tr:hover td{background:rgba(79,142,247,.04);}
.dim{color:var(--text-dim);}
.badge{display:inline-block;font-size:11px;font-weight:600;border-radius:8px;padding:2px 8px;}
.badge.gruen{background:rgba(62,207,142,.15);color:var(--success);}
.badge.grau{background:var(--border);color:var(--text-dim);}
.badge.gelb{background:rgba(224,165,0,.15);color:#e0a500;}

/* Themen-Kacheln (Lernbereich) */
.fach-titel{font-size:13px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;
            color:var(--text-dim);margin:22px 0 10px;}
.kacheln{display:grid;grid-template-columns:repeat(auto-fill,minmax(270px,1fr));gap:14px;}
.kachel{background:var(--surface);border:1px solid var(--border);border-radius:16px;
        padding:18px;text-decoration:none;color:var(--text);transition:.15s;}
.kachel:hover{border-color:var(--accent);transform:translateY(-2px);}
.kachel h3{font-size:16px;margin-bottom:6px;}
.kachel .meta{font-size:12.5px;color:var(--text-dim);}
.fortschritt{height:6px;background:var(--border);border-radius:4px;margin-top:10px;overflow:hidden;}
.fortschritt>div{height:100%;background:linear-gradient(90deg,var(--accent),var(--accent2));}

/* Login */
.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px;}
.login-box{width:100%;max-width:380px;background:var(--surface);border:1px solid var(--border);
           border-radius:18px;padding:34px 30px;}
.login-box .logo{font-size:30px;display:block;text-align:center;margin-bottom:4px;}
.login-box .sub{text-align:center;}

/* ── Stufe 3: Lernbereich ─────────────────────────────────────── */
.klein{font-size:12px;}
.md h1,.md h2,.md h3{font-family:'DM Sans',sans-serif;font-size:16px;margin:14px 0 6px;}
.md p{margin:8px 0;line-height:1.65;}
.md ul,.md ol{margin:8px 0 8px 22px;line-height:1.6;}
.md table{margin:10px 0;font-size:13px;}
.md td,.md th{border:1px solid var(--border);padding:6px 9px;}
.md strong{color:var(--accent);}
.md code{background:var(--bg);border-radius:5px;padding:1px 5px;}

.optionen{display:flex;flex-direction:column;gap:8px;}
.opt{display:flex;align-items:center;gap:10px;background:var(--bg);border:1px solid var(--border);
  border-radius:10px;padding:11px 14px;cursor:pointer;font-size:14px;color:var(--text);margin:0;}
.opt:hover{border-color:var(--accent);}
.opt input{width:auto;margin:0;accent-color:var(--accent);}
.freitext{max-width:420px;}

.feedback{border-radius:11px;padding:13px 16px;font-size:14px;}
.feedback.ok{background:rgba(62,207,142,.1);border:1px solid var(--success);}
.feedback.falsch{background:rgba(255,92,92,.09);border:1px solid var(--danger);}
.detail-tab{width:auto;margin-top:8px;font-size:13px;}
.detail-tab th{padding:4px 10px;}
.detail-tab td{padding:5px 10px;}
.ok-t{color:var(--success);}
.err-t{color:var(--danger);}

/* Drag'n'Drop (dunkles Theme) */
.dnd{margin:10px 0;}
.dnd-chip{display:inline-flex;align-items:center;gap:6px;background:var(--bg);color:var(--text);
  border:1px solid var(--border);border-radius:10px;padding:8px 12px;font-size:14px;
  cursor:grab;user-select:none;touch-action:none;}
.dnd-chip:active{cursor:grabbing;}
.dnd-ghost{opacity:.3;}
.dnd-clone{position:fixed;z-index:9999;pointer-events:none;margin:0;border-color:var(--accent);}
.dnd-pool{display:flex;flex-wrap:wrap;gap:6px;padding:10px;min-height:52px;
  border:2px dashed var(--border);border-radius:12px;margin-bottom:12px;}
.dnd-pool.dnd-over{border-color:var(--accent);background:rgba(79,142,247,.07);}
.dnd-slots{display:flex;flex-direction:column;gap:8px;}
.dnd-row{display:flex;align-items:center;gap:12px;}
.dnd-label{flex:1;font-weight:600;font-size:14px;}
.dnd-slot{flex:1.3;min-height:46px;display:flex;align-items:center;gap:6px;padding:4px 6px;
  border:2px dashed var(--border);border-radius:12px;}
.dnd-slot.dnd-over{border-color:var(--accent);background:rgba(79,142,247,.07);}
.dnd-boxes{display:flex;flex-wrap:wrap;gap:12px;}
.dnd-box{flex:1 1 180px;border:2px solid var(--border);border-radius:12px;overflow:hidden;}
.dnd-box-titel{background:var(--border);font-weight:700;padding:7px 10px;text-align:center;font-size:13px;}
.dnd-box-inhalt{min-height:56px;padding:7px;display:flex;flex-wrap:wrap;gap:6px;align-content:flex-start;}
.dnd-box-inhalt.dnd-over{background:rgba(79,142,247,.07);}
.dnd-liste{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:7px;}
.dnd-liste .dnd-chip{display:flex;width:100%;}
.dnd-griff{color:var(--text-dim);font-size:16px;line-height:1;}
.dnd-text{flex:1;}

/* Leitner-Karteikasten */
.leitner{display:flex;gap:10px;flex-wrap:wrap;}
.leitner-box{flex:1 1 100px;background:var(--bg);border:1px solid var(--border);border-radius:12px;
  padding:14px 10px;text-align:center;}
.leitner-anzahl{font-size:24px;font-weight:700;}
.leitner-label{font-size:13px;color:var(--text-dim);margin-top:2px;}
.leitner-tage{font-size:11px;color:var(--text-dim);}
.lernkarte{text-align:center;padding:34px 24px;}
.lernkarte-frage{font-size:13px;margin-bottom:12px;}
.lernkarte-text{font-size:19px;line-height:1.55;margin-bottom:22px;white-space:pre-line;}

/* Stufen-Auswahl (GBL/VTL/EGL/Eidg. Prüfung) */
.stufen-kacheln{grid-template-columns:repeat(auto-fill,minmax(230px,1fr));}
.stufen-kachel{text-align:center;padding:26px 18px;}
.stufen-icon{font-size:40px;margin-bottom:10px;}
.stufen-kachel h3{justify-content:center;display:flex;align-items:center;gap:8px;flex-wrap:wrap;}

/* Drag'n'Drop-Zone für den Quell-PDF-Upload */
.dropzone{border:2px dashed var(--border);border-radius:12px;padding:26px 18px;text-align:center;
  font-size:14px;cursor:pointer;transition:border-color .15s, background .15s;}
.dropzone:hover,.dropzone.dz-over{border-color:var(--accent);background:rgba(79,142,247,.06);}
.dropzone.dz-laedt{cursor:default;border-style:solid;}
.dz-icon{font-size:30px;margin-bottom:8px;}

/* Fragen an die KI (Chat-Ansicht) */
.frage-block{margin-bottom:18px;}
.frage-bubble{background:var(--accent);color:#fff;border-radius:14px 14px 4px 14px;
  padding:10px 16px;font-size:14px;max-width:80%;margin-left:auto;margin-bottom:8px;width:fit-content;}
.antwort-card{margin-bottom:0;}
.quelle{border:1px solid var(--border);border-radius:9px;padding:8px 11px;margin-top:8px;font-size:13px;}

/* Quellen-Marker [Qx] in KI-Antworten — dasselbe Rot wie in der SchKG-AI-KI-Abfrage */
.qref{color:#e5484d;font-weight:600;font-size:.85em;cursor:pointer;}

/* Aufblinken der angesprungenen Quelle nach Klick auf einen [Qx]-Marker */
@keyframes q-flash-anim{0%{background:rgba(229,72,77,.22);border-color:#e5484d;}100%{background:transparent;}}
.quelle.q-flash{animation:q-flash-anim 1.6s ease-out;}

/* KI-Bilder zum Lerninhalt */
.bild-wrap{margin:6px 0 14px;}
.lern-bild{max-width:100%;width:520px;border-radius:14px;border:1px solid var(--border);display:block;}