/* ============================================
   Eisenbahn-Lernportal — Shared Styles
   shared.css  |  wird in allen Seiten eingebunden
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Barlow+Condensed:wght@400;600;700&family=Barlow:wght@400;500&display=swap');

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

/* ---- Themes ---- */
[data-theme="dark"] {
  --bg:           #0e0e10;
  --surface:      #18181c;
  --surface2:     #222228;
  --border:       rgba(255,255,255,0.07);
  --amber:        #f0a500;
  --amber-dim:    #a16c00;
  --text:         #e8e6df;
  --text-muted:   #888680;
  --red:          #d94040;
  --green:        #3a9e6a;
  --blue:         #3a8fd4;
  --shadow:       0 2px 14px rgba(0,0,0,0.5);
  --nav-bg:       #111115;
  --nav-btn-bg:   #1e1e24;
  --nav-btn-hover:#2a2a34;
  --footer-bg:    #0b0b0d;
  --radius:       10px;
}
[data-theme="light"] {
  --bg:           #f2f0eb;
  --surface:      #ffffff;
  --surface2:     #efefea;
  --border:       rgba(0,0,0,0.09);
  --amber:        #c47f00;
  --amber-dim:    #c47f00;
  --text:         #1a1a1a;
  --text-muted:   #888070;
  --red:          #c42e2e;
  --green:        #2d8a59;
  --blue:         #1a6fb5;
  --shadow:       0 2px 14px rgba(0,0,0,0.08);
  --nav-bg:       #e6e4df;
  --nav-btn-bg:   #ffffff;
  --nav-btn-hover:#f5f3ee;
  --footer-bg:    #dddbd6;
  --radius:       10px;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Barlow', sans-serif;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  transition: background 0.25s, color 0.25s;
}

/* ---- Shared Header ---- */
.site-header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 0.85rem 1.8rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  box-shadow: var(--shadow);
}
.site-logo {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--amber);
  text-decoration: none;
  white-space: nowrap;
}
.site-logo span {
  color: var(--text-muted);
  font-weight: 400;
  font-size: 0.95rem;
}
.track-line {
  flex: 1;
  height: 3px;
  background: repeating-linear-gradient(
    90deg, var(--amber) 0, var(--amber) 12px, transparent 12px, transparent 20px);
  opacity: 0.35;
  min-width: 30px;
}

/* ---- Theme Toggle ---- */
.theme-toggle {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--surface2);
  color: var(--amber);
  font-size: 1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: border-color 0.15s, transform 0.2s;
  line-height: 1;
}
.theme-toggle:hover { border-color: var(--amber); transform: rotate(20deg); }

/* ---- Page-Nav (links to other modules) ---- */
.page-nav {
  background: var(--nav-bg);
  border-bottom: 1px solid var(--border);
  padding: 0.55rem 1.8rem;
  display: flex;
  gap: 0.5rem;
  align-items: center;
  flex-wrap: wrap;
}
.page-nav-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.4rem 1rem;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--nav-btn-bg);
  color: var(--text-muted);
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-decoration: none;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
}
.page-nav-btn:hover  { background: var(--nav-btn-hover); border-color: var(--amber); color: var(--amber); }
.page-nav-btn.active { border-color: var(--amber); color: var(--amber); background: var(--nav-btn-hover); }
.page-nav-btn svg    { opacity: 0.6; flex-shrink: 0; }
.page-nav-btn:hover svg { opacity: 1; }

/* ---- Shared Footer ---- */
.site-footer {
  background: var(--footer-bg);
  border-top: 1px solid var(--border);
  padding: 2rem 1.8rem 1.5rem;
  margin-top: auto;
}
.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 2rem;
  max-width: 960px;
  margin: 0 auto 1.5rem;
}
.footer-col h4 {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 0.75rem;
}
.footer-col p, .footer-col a {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.7;
  text-decoration: none;
  display: block;
}
.footer-col a:hover { color: var(--amber); }
.footer-bottom {
  text-align: center;
  font-size: 0.78rem;
  color: var(--text-muted);
  padding-top: 1rem;
  border-top: 1px solid var(--border);
  opacity: 0.7;
}

/* ---- theme.js helper ---- */
.hidden { display: none !important; }

@media (max-width: 600px) {
  .site-header, .page-nav { padding: 0.7rem 1rem; }
  .page-nav-btn { font-size: 0.82rem; padding: 0.35rem 0.75rem; }
  .footer-grid  { grid-template-columns: 1fr 1fr; }
}

/* ---- Schutz-Overlay (theme.js) ---- */
#schutz-overlay {
  display: none;
  position: fixed; inset: 0; z-index: 99999;
  background: #0e0e10;
  flex-direction: column; align-items: center; justify-content: center;
  gap: 1rem;
}
#schutz-overlay.aktiv { display: flex; }
.schutz-icon { font-size: 3rem; }
.schutz-text { font-family: 'Barlow Condensed', sans-serif; font-size: 2rem; font-weight: 700; color: #f0a500; }
.schutz-sub  { font-size: 0.95rem; color: #888680; }

/* ---- Login / Overlay ---- */
.overlay { display:none;position:fixed;inset:0;background:rgba(0,0,0,.8);z-index:500;align-items:center;justify-content:center;padding:1rem; }
.overlay.open { display:flex; }
.overlay-box { background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:2rem;width:100%;max-width:440px;box-shadow:0 8px 40px rgba(0,0,0,.5); }
.overlay-box h2 { font-family:'Barlow Condensed',sans-serif;font-size:1.7rem;font-weight:700;color:var(--amber);margin-bottom:1rem;letter-spacing:.04em; }
.overlay-box p  { font-size:.9rem;color:var(--text-muted);margin-bottom:.75rem;line-height:1.65; }
.overlay-box label { font-size:.75rem;font-family:'Barlow Condensed',sans-serif;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--text-muted);display:block;margin-bottom:.3rem;margin-top:.75rem; }
.overlay-box input { width:100%;padding:.65rem .9rem;border:1px solid var(--border);border-radius:8px;background:var(--surface2);color:var(--text);font-family:'Barlow',sans-serif;font-size:1rem;outline:none;transition:border-color .15s; }
.overlay-box input:focus { border-color:var(--amber); }
.overlay-box textarea { width:100%;padding:.65rem .9rem;border:1px solid var(--border);border-radius:8px;background:var(--surface2);color:var(--text);font-family:'Barlow',sans-serif;font-size:.92rem;outline:none;min-height:90px;resize:vertical; }
.btn-row { display:flex;gap:.6rem;margin-top:1.25rem;flex-wrap:wrap; }
.btn-primary { padding:.6rem 1.4rem;background:var(--amber);border:none;border-radius:8px;color:#000;font-family:'Barlow Condensed',sans-serif;font-size:1rem;font-weight:700;cursor:pointer;transition:opacity .15s;flex:1; }
.btn-primary:hover { opacity:.85; }
.btn-secondary { padding:.6rem 1.2rem;background:var(--surface2);border:1px solid var(--border);border-radius:8px;color:var(--text-muted);font-family:'Barlow',sans-serif;font-size:.9rem;cursor:pointer; }
.btn-danger { padding:.58rem 1.1rem;background:transparent;border:1px solid var(--red);border-radius:8px;color:var(--red);font-family:'Barlow',sans-serif;font-size:.9rem;cursor:pointer; }
.btn-danger:hover { background:var(--red);color:#fff; }
.status-msg { margin-top:.75rem;font-size:.85rem;text-align:center;min-height:1.1rem; }
.status-msg.err { color:var(--red); }
.status-msg.ok  { color:var(--green); }
.info-box { background:var(--surface2);border:1px solid var(--border);border-left:3px solid var(--blue);border-radius:8px;padding:.9rem 1rem;margin:.9rem 0;font-size:.86rem;color:var(--text-muted);line-height:1.65; }
.info-box strong { color:var(--text); }
.or-divider { text-align:center;font-size:.78rem;color:var(--text-muted);margin:.6rem 0;position:relative; }
.or-divider::before,.or-divider::after { content:'';position:absolute;top:50%;width:38%;height:1px;background:var(--border); }
.or-divider::before { left:0; }
.or-divider::after  { right:0; }
.login-header-btn { display:inline-flex;align-items:center;gap:.4rem;padding:.42rem 1rem;border:1px solid var(--amber);border-radius:8px;background:transparent;color:var(--amber);font-family:'Barlow Condensed',sans-serif;font-size:.95rem;font-weight:700;cursor:pointer;transition:all .15s;white-space:nowrap;flex-shrink:0; }
.login-header-btn:hover { background:var(--amber);color:#000; }
.user-badge { font-size:.78rem;color:var(--amber);background:rgba(240,165,0,.1);border:1px solid rgba(240,165,0,.25);border-radius:20px;padding:.22rem .8rem;font-family:'Barlow Condensed',sans-serif;font-weight:700;letter-spacing:.05em;white-space:nowrap; }
.version-tag { display:inline-block;background:var(--surface2);border:1px solid var(--border);border-radius:20px;padding:.1rem .6rem;font-size:.7rem;letter-spacing:.06em;color:var(--amber);font-family:'Barlow Condensed',sans-serif;font-weight:700;margin-left:.4rem; }
.admin-footer-btn { background:none;border:1px solid var(--border);border-radius:6px;color:var(--text-muted);font-size:.75rem;font-family:'Barlow',sans-serif;padding:.2rem .6rem;cursor:pointer;transition:all .15s;margin-left:.5rem; }
.admin-footer-btn:hover { border-color:var(--blue);color:var(--blue); }
.footer-donate { display:flex;justify-content:center;margin-bottom:1.25rem; }
.donate-btn { display:inline-flex;align-items:center;gap:.5rem;padding:.6rem 1.4rem;background:#FFDD00;color:#000;border:none;border-radius:8px;font-family:'Barlow Condensed',sans-serif;font-size:1rem;font-weight:700;text-decoration:none;cursor:pointer; }

/* ---- Admin Panel ---- */
.admin-tabs { display:flex;gap:.4rem;margin-bottom:1.2rem;border-bottom:1px solid var(--border);padding-bottom:.7rem;flex-wrap:wrap; }
.admin-tab { padding:.38rem .85rem;border-radius:6px;border:1px solid var(--border);background:transparent;color:var(--text-muted);font-family:'Barlow Condensed',sans-serif;font-size:.88rem;font-weight:600;cursor:pointer;transition:all .15s; }
.admin-tab.active,.admin-tab:hover { background:var(--blue);color:#fff;border-color:var(--blue); }
.admin-panel-section { display:none; }
.admin-panel-section.active { display:block; }
.code-list { display:flex;flex-direction:column;gap:.4rem;max-height:220px;overflow-y:auto;margin-bottom:.75rem; }
.code-item { display:flex;align-items:center;gap:.6rem;background:var(--surface2);border:1px solid var(--border);border-radius:6px;padding:.5rem .8rem; }
.code-item .c-code { font-family:'Barlow Condensed',sans-serif;font-size:1rem;font-weight:700;color:var(--amber);flex:1;letter-spacing:.1em; }
.code-item .c-name { font-size:.82rem;color:var(--text-muted);flex:2; }
.code-item .c-del  { background:none;border:none;color:var(--red);cursor:pointer;font-size:.9rem;opacity:.6;padding:.15rem .35rem; }
.code-item .c-del:hover { opacity:1; }