:root{
  --ink:#1a1714;--steel:#23303a;--steel-dark:#18222a;--crimson:#7a1f2b;--crimson-bright:#9a2a38;
  --gold:#c9a44a;--gold-soft:#e0c47e;--parchment:#f5f0e6;--paper:#fbf8f1;--muted:#6b6258;
  --display:'Cinzel',serif;--sans:'Inter',system-ui,sans-serif;--radius:6px;
}
*{box-sizing:border-box}
body{margin:0;font-family:var(--sans);color:var(--ink);background:var(--paper)}
a{color:var(--crimson)}

/* ---- Auth (login/setup) ---- */
.auth-body{min-height:100vh;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#18222a,#23303a 60%,#7a1f2b);padding:24px}
.auth-card{background:var(--paper);border-radius:10px;box-shadow:0 24px 60px rgba(0,0,0,.4);
  padding:40px 36px;max-width:400px;width:100%;text-align:center;border-top:4px solid var(--gold)}
.auth-logo{display:inline-block;margin-bottom:8px}
.auth-card h1{font-family:var(--display);font-size:1.5rem;margin:.2em 0 .3em;color:var(--steel-dark)}
.auth-sub{color:var(--muted);font-size:.92rem;margin:0 0 22px;line-height:1.5}
.auth-card label{display:block;text-align:left;font-size:.85rem;font-weight:600;color:var(--steel);margin-bottom:16px}
.auth-card input[type=password],.auth-card input[type=text]{width:100%;margin-top:6px;padding:12px 14px;
  border:1px solid #d6cfc1;border-radius:var(--radius);font-size:1rem;font-family:var(--sans);background:#fff}
.auth-card input:focus{outline:none;border-color:var(--gold);box-shadow:0 0 0 3px rgba(201,164,74,.25)}
.btn-auth{display:block;width:100%;background:var(--crimson);color:#fff;border:0;border-radius:var(--radius);
  padding:13px;font-size:1rem;font-weight:600;cursor:pointer;text-decoration:none;transition:.2s}
.btn-auth:hover{background:var(--crimson-bright)}
.auth-foot{margin:22px 0 0;font-size:.82rem;color:var(--muted)}
.auth-foot a{color:var(--crimson)}

.alert{border-radius:var(--radius);padding:11px 14px;font-size:.9rem;margin-bottom:18px;text-align:left}
.alert.warn{background:#fbe9e7;color:#8a2418;border:1px solid #f0c4bd}
.alert.ok{background:#e8f3ea;color:#1f6b35;border:1px solid #bfe0c8}

/* ---- Panel ---- */
.panel-body{background:#f2ece1}
.panel-header{display:flex;align-items:center;justify-content:space-between;
  background:var(--steel-dark);color:var(--parchment);padding:0 24px;height:62px;position:sticky;top:0;z-index:10}
.panel-brand{display:flex;align-items:center;gap:10px;color:var(--parchment);text-decoration:none;font-family:var(--display);font-size:1.05rem}
.panel-user{display:flex;align-items:center;gap:14px}
.role-badge{font-size:.72rem;text-transform:uppercase;letter-spacing:.08em;font-weight:600;
  background:rgba(255,255,255,.12);color:var(--gold-soft);padding:5px 10px;border-radius:20px}
.role-badge.is-trainer{background:var(--crimson);color:#fff}
.logout{color:var(--parchment);text-decoration:none;font-size:.9rem;opacity:.85}
.logout:hover{opacity:1;color:var(--gold-soft)}

.panel-main{max-width:840px;margin:0 auto;padding:34px 24px 80px}
.panel-main h1{font-family:var(--display);color:var(--steel-dark);font-size:1.8rem;margin:0 0 6px}
.panel-intro{color:var(--muted);margin:0 0 26px}
.muted{color:var(--muted);font-size:.9rem}

.tool-box{background:#fff;border:1px solid #e2dac9;border-radius:var(--radius);margin-bottom:14px;padding:0 16px}
.tool-box summary{cursor:pointer;padding:14px 0;font-weight:600;color:var(--steel)}
.inline-form{display:flex;gap:10px;flex-wrap:wrap;align-items:center;padding:0 0 16px}
.inline-form input[type=text],.inline-form select,.inline-form input[type=file]{
  flex:1;min-width:0;max-width:100%;padding:10px 12px;border:1px solid #d6cfc1;border-radius:var(--radius);font-family:var(--sans);font-size:.95rem;background:#fff}
.inline-form button{background:var(--crimson);color:#fff;border:0;border-radius:var(--radius);padding:10px 20px;font-weight:600;cursor:pointer;font-family:var(--sans)}
.inline-form button:hover{background:var(--crimson-bright)}

.empty{background:#fff;border:1px dashed #cfc7b5;border-radius:var(--radius);padding:36px;text-align:center;color:var(--muted)}

/* ---- Breadcrumb ---- */
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:4px;margin:0 0 18px;font-size:.92rem}
.crumbs .crumb{color:var(--crimson);text-decoration:none}
.crumbs a.crumb:hover{text-decoration:underline}
.crumbs .crumb.cur{color:var(--steel-dark);font-weight:600}
.crumbs .sep{color:#b3a994;margin:0 2px}

/* ---- Herramientas (carpeta/subir) ---- */
.tool-row{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:18px}
.tool-row .tool-box{flex:1;min-width:240px;margin-bottom:0}

/* ---- Rejilla de carpetas ---- */
.folder-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px;margin-bottom:20px}
.folder-card{position:relative;background:#fff;border:1px solid #e2dac9;border-radius:var(--radius);transition:.15s}
.folder-card:hover{border-color:var(--gold);box-shadow:0 4px 14px rgba(20,15,10,.08)}
.folder-link{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;gap:5px;height:100%;padding:18px 12px;text-decoration:none;color:var(--ink)}
.folder-ico{font-size:2.4rem;line-height:1;margin-bottom:2px}
.folder-name{font-weight:600;font-size:.84rem;line-height:1.25;overflow-wrap:anywhere}
.folder-count{font-size:.7rem;color:var(--muted)}
.folder-card .del-form{position:absolute;top:6px;right:6px}
/* Tarjeta con portada (libros) */
.folder-link.has-cover{flex-direction:column;align-items:stretch;gap:6px;padding:0}
.folder-cover{width:100%;height:140px;object-fit:contain;background:#efe7d8;border-radius:var(--radius) var(--radius) 0 0;display:block}
.folder-link.has-cover .folder-name{padding:0 10px;font-size:.82rem;line-height:1.25}
.folder-link.has-cover .folder-count{padding:0 10px 10px;font-size:.7rem}
@media(max-width:520px){
  .folder-grid{grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:10px}
  .folder-cover{height:120px}
}

.level{background:#fff;border:1px solid #e2dac9;border-radius:var(--radius);padding:20px 22px;margin-bottom:16px}
.level h2{font-family:var(--display);font-size:1.2rem;color:var(--steel-dark);margin:0 0 14px;display:flex;align-items:baseline;justify-content:space-between}
.level .count{font-family:var(--sans);font-size:.75rem;font-weight:500;color:var(--muted);text-transform:uppercase;letter-spacing:.06em}
.file-list{list-style:none;padding:0;margin:0}
.file-list li{display:flex;align-items:center;gap:8px;border-top:1px solid #f0ebe0;padding:4px 0}
.file-list li:first-child{border-top:0}
.file-link{display:flex;align-items:center;gap:12px;flex:1;text-decoration:none;color:var(--ink);padding:8px;border-radius:var(--radius);transition:.15s}
.file-link:hover{background:#f6f1e7}
.file-ico{font-size:1.2rem}
.file-name{flex:1}
.file-meta{font-size:.8rem;color:var(--muted)}
.del-form{margin:0}
.del-btn{background:none;border:0;color:#b23b2e;font-size:1rem;cursor:pointer;padding:8px;border-radius:var(--radius)}
.del-btn:hover{background:#fbe9e7}
.empty-lvl{margin:0}

/* ---- Recursos externos ---- */
.recursos{margin-top:34px}
.recursos h2{font-family:var(--display);font-size:1.2rem;color:var(--steel-dark);margin:0 0 14px}
.recurso-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:14px}
.recurso-card{display:flex;gap:14px;background:#fff;border:1px solid #e2dac9;border-radius:var(--radius);padding:18px;text-decoration:none;color:var(--ink);transition:.18s}
.recurso-card:hover{border-color:var(--gold);box-shadow:0 6px 18px rgba(20,15,10,.1);transform:translateY(-2px)}
.recurso-card.destacado{border-color:var(--crimson);background:linear-gradient(180deg,#fff,#fdf6f2)}
.recurso-ico{font-size:1.9rem;line-height:1}
.recurso-body{display:flex;flex-direction:column;gap:4px}
.recurso-body strong{font-family:var(--display);font-size:1.1rem;color:var(--steel-dark);display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.recurso-body span{font-size:.9rem;color:#4a443c}
.badge{background:var(--crimson);color:#fff;font-family:var(--sans);font-size:.62rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em;padding:3px 7px;border-radius:20px}
.recurso-url{color:var(--crimson)!important;font-weight:600;font-size:.85rem!important;font-family:var(--sans)}

.avisos-admin{margin-top:30px}
.avisos-admin h2{font-family:var(--display);font-size:1.2rem;color:var(--steel-dark);display:flex;align-items:baseline;justify-content:space-between}
.avisos-admin .count{font-family:var(--sans);font-size:.72rem;font-weight:500;color:var(--muted);text-transform:uppercase;letter-spacing:.06em}
.aviso-admin-list{list-style:none;padding:0;margin:14px 0 0}
.aviso-admin-list li{display:flex;align-items:center;justify-content:space-between;gap:10px;background:#fff;border:1px solid #e2dac9;border-radius:var(--radius);padding:10px 14px;margin-bottom:8px}
.aviso-admin-list li>div{min-width:0;overflow-wrap:anywhere}
.aviso-admin-list time{color:var(--crimson);font-weight:600;font-size:.8rem;margin-right:6px}

/* ---- Responsive (móvil) ---- */
@media(max-width:600px){
  html,body{overflow-x:hidden}
  .panel-header{padding:0 14px;height:56px}
  .panel-brand{font-size:.95rem;gap:8px}
  .panel-brand span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:46vw}
  .panel-user{gap:10px}
  .role-badge{font-size:.66rem;padding:4px 8px}
  .panel-main{padding:22px 14px 90px}
  .panel-main h1{font-size:1.4rem}
  /* Formularfelder untereinander statt nebeneinander */
  .inline-form{flex-direction:column;align-items:stretch;gap:8px}
  .inline-form input[type=text],.inline-form select,.inline-form input[type=file],.inline-form button{width:100%}
  .inline-form input[type=file]{font-size:.85rem}
  .level{padding:16px 14px}
  .level h2,.avisos-admin h2{flex-direction:column;align-items:flex-start;gap:2px}
  .file-link{gap:8px;padding:8px 4px}
  .file-name{overflow-wrap:anywhere}
  .auth-card{padding:32px 22px}
}