/* =====================================================================
   JF Design-Kit 2.1  ·  angelehnt an j-f-elektrotechnik.de, modernisiert
   Einbinden:  <link rel="stylesheet" href="/design/jf.css">
   Keine externen Quellen: Schriften kommen aus /design/fonts.css (lokal).

   Alle Klassennamen aus Version 1 bleiben gleich (.jf-topbar, .jf-header,
   .jf-nav, .jf-hero, .jf-cards/.jf-card, .jf-btn, .jf-input, .jf-footer),
   bestehende Seiten werden also ohne Änderung moderner.
   Neu (optional): .jf-band (Begrüßungsbereich), .jf-card-ico (Symbol),
   .jf-section-head, .jf-search, .jf-chip, .jf-panel.
   ===================================================================== */
@import url("fonts.css");

:root {
  /* --- Marke (j-f-elektrotechnik.de) ---------------------------------- */
  --jf-primary:        #1b397b;  /* Hauptfarbe: Buttons, Links, Akzente */
  --jf-primary-dark:   #091759;  /* Hover / aktiv */
  --jf-on-primary:     #ffffff;
  --jf-accent:         #6372aa;  /* Zweitfarbe (Logo-Blau) */
  --jf-primary-soft:   #e9edf7;  /* zarte Fläche in Hauptfarbe (Symbole, Hover) */

  /* --- Neutral ------------------------------------------------------- */
  --jf-ink:            #333333;
  --jf-ink-strong:     #14213d;  /* Überschriften */
  --jf-muted:          #667085;
  --jf-bg:             #f5f7fb;
  --jf-surface:        #ffffff;
  --jf-line:           #e3e7f0;

  /* --- Kopf- und Fusszeile ------------------------------------------- */
  --jf-topbar-bg:      #25354a;
  --jf-topbar-ink:     #ffffff;
  --jf-header-bg:      #ffffff;
  --jf-header-ink:     #333333;
  --jf-footer-bg:      #25354a;
  --jf-footer-ink:     #c9d1de;

  /* --- Schrift ------------------------------------------------------- */
  --jf-font-body: "Helvetica Neue", Helvetica, Arial, system-ui, sans-serif;
  --jf-font-head: var(--jf-font-body);
  --jf-font-mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;

  /* --- Form ---------------------------------------------------------- */
  --jf-radius:     10px;
  --jf-radius-lg:  16px;
  --jf-shadow:     0 1px 2px rgba(16,24,40,.04), 0 2px 6px rgba(16,24,40,.04);
  --jf-shadow-lg:  0 4px 8px rgba(16,24,40,.04), 0 14px 32px rgba(27,57,123,.12);
  --jf-ring:       0 0 0 3px rgba(27,57,123,.18);
  --jf-maxw:       1180px;
  --jf-logo-h:     52px;
  --jf-ease:       cubic-bezier(.2,.7,.2,1);

  /* --- Kurznamen fuer die Web-Apps (alte Variablen weiter nutzbar) ----- */
  --primary: var(--jf-primary);  --primary-dark: var(--jf-primary-dark);
  --accent:  var(--jf-accent);   --text: var(--jf-ink);   --ink: var(--jf-ink);
  --muted:   var(--jf-muted);    --bg: var(--jf-bg);
  --surface: var(--jf-surface);  --panel: var(--jf-surface);
  --border:  var(--jf-line);     --line: var(--jf-line);
}

/* --- Grundlagen -------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0; background: var(--jf-bg); color: var(--jf-ink);
  font: 16px/1.6 var(--jf-font-body);
  -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale;
  min-height: 100vh; display: flex; flex-direction: column;
}
body > main { flex: 1; width: 100%; }
h1, h2, h3, h4 { font-family: var(--jf-font-head); line-height: 1.2; margin: 0 0 .5em;
                 color: var(--jf-ink-strong); letter-spacing: -.01em; }
h1 { font-size: clamp(1.7rem, 3.2vw, 2.4rem); font-weight: 700; letter-spacing: -.02em; }
h2 { font-size: 1.3rem; font-weight: 700; }
a { color: var(--jf-primary); text-underline-offset: 2px; }
a:hover { color: var(--jf-primary-dark); }
img { max-width: 100%; height: auto; }
::selection { background: rgba(27,57,123,.16); }
:focus-visible { outline: 2px solid var(--jf-primary); outline-offset: 2px; }
.jf-container { max-width: var(--jf-maxw); margin: 0 auto; padding: 0 20px; }
.jf-muted { color: var(--jf-muted); }

/* --- Leiste ganz oben -------------------------------------------------- */
.jf-topbar { background: var(--jf-topbar-bg); color: var(--jf-topbar-ink); font-size: .8rem; letter-spacing: .01em; }
.jf-topbar .jf-container { display: flex; justify-content: flex-end; align-items: center; gap: 20px; padding-block: 6px; }
.jf-topbar .jf-container > :first-child:not(:only-child) { margin-right: auto; opacity: .75; }
.jf-topbar a { color: inherit; text-decoration: none; opacity: .8; transition: opacity .15s; }
.jf-topbar a:hover { opacity: 1; color: inherit; }
@media (max-width: 600px) { .jf-topbar .jf-hide-sm { display: none; } }

/* --- Kopfzeile mit Logo und Menue ------------------------------------- */
.jf-header { background: var(--jf-header-bg); color: var(--jf-header-ink);
             border-bottom: 1px solid var(--jf-line); position: relative; z-index: 50; }
.jf-header .jf-container { display: flex; align-items: center; justify-content: space-between;
                           gap: 12px 24px; padding-block: 12px; flex-wrap: wrap; }
.jf-logo { display: inline-flex; align-items: center; text-decoration: none; color: inherit; }
.jf-logo img { height: var(--jf-logo-h); width: auto; display: block; }
.jf-logo .jf-logo-text { font: 700 1.25rem/1 var(--jf-font-head); letter-spacing: .02em; }
.jf-nav { display: flex; align-items: center; gap: 2px; flex-wrap: wrap; }
.jf-nav > a { position: relative; color: var(--jf-header-ink); text-decoration: none; font-weight: 600;
              padding: 9px 14px; border-radius: 999px; text-transform: uppercase;
              font-size: .82rem; letter-spacing: .06em; transition: color .15s, background-color .15s; }
.jf-nav > a:hover { color: var(--jf-primary); background: var(--jf-primary-soft); }
.jf-nav > a[aria-current="page"] { color: var(--jf-primary); }
.jf-nav > a[aria-current="page"]::after { content: ""; position: absolute; left: 14px; right: 14px; bottom: 3px;
              height: 2px; border-radius: 2px; background: var(--jf-primary); }
.jf-nav .jf-konto { margin-left: 10px; }
@media (max-width: 720px) {
  :root { --jf-logo-h: 40px; }
  .jf-header .jf-container { padding-block: 10px; }
  .jf-nav { width: 100%; gap: 4px; margin: 0 -10px; }
  .jf-nav > a { padding: 7px 10px; font-size: .76rem; letter-spacing: .04em; }
  .jf-nav > a[aria-current="page"] { background: var(--jf-primary-soft); }
  .jf-nav > a[aria-current="page"]::after { display: none; }
  .jf-nav .jf-konto { margin-left: auto; }
  .jf-konto-btn { padding: 3px 10px 3px 3px !important; }
}
/* --- Titelbereich ------------------------------------------------------ */
.jf-hero { padding: 44px 0 12px; }
.jf-hero p { max-width: 68ch; color: var(--jf-muted); margin: 0; font-size: 1.05rem; }

/* Farbiges Begruessungsband (Portal-Startseite) */
.jf-band { position: relative; overflow: hidden; color: #fff;
           background: radial-gradient(1200px 400px at 85% -10%, rgba(99,114,170,.55), transparent 60%),
                       linear-gradient(135deg, var(--jf-primary-dark) 0%, var(--jf-primary) 100%); }
.jf-band::before { content: ""; position: absolute; inset: 0; opacity: .14; pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,.5) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.5) 1px, transparent 1px);
  background-size: 44px 44px;
  -webkit-mask-image: linear-gradient(100deg, transparent 35%, #000 100%);
          mask-image: linear-gradient(100deg, transparent 35%, #000 100%); }
.jf-band .jf-container { position: relative; padding-block: 48px 56px; }
.jf-band h1 { color: #fff; margin-bottom: .3em; }
.jf-band p { color: rgba(255,255,255,.82); max-width: 62ch; margin: 0; font-size: 1.08rem; }
.jf-band .jf-eyebrow { color: rgba(255,255,255,.7); }
.jf-eyebrow { display: block; font-size: .75rem; font-weight: 700; letter-spacing: .14em;
              text-transform: uppercase; color: var(--jf-accent); margin-bottom: 10px; }
@media (max-width: 600px) { .jf-band .jf-container { padding-block: 32px 40px; } }

/* Suchfeld (auf Band oder Flaeche) */
.jf-search { position: relative; max-width: 560px; margin-top: 26px; }
.jf-search svg { position: absolute; left: 16px; top: 50%; transform: translateY(-50%);
                 width: 20px; height: 20px; color: var(--jf-muted); pointer-events: none; }
.jf-search input { width: 100%; font: inherit; font-size: 1rem; color: var(--jf-ink);
                   padding: 14px 16px 14px 48px; border: 1px solid transparent; border-radius: 999px;
                   background: #fff; box-shadow: 0 8px 24px rgba(9,23,89,.25); }
.jf-search input:focus { outline: none; box-shadow: 0 8px 24px rgba(9,23,89,.25), 0 0 0 4px rgba(255,255,255,.35); }
.jf-search kbd { position: absolute; right: 14px; top: 50%; transform: translateY(-50%);
                 font: 600 .72rem/1 var(--jf-font-body); color: var(--jf-muted);
                 border: 1px solid var(--jf-line); border-radius: 6px; padding: 4px 7px; background: var(--jf-bg); }
@media (max-width: 600px) { .jf-search kbd { display: none; } }

/* Kleines Kopfband (Unterseiten wie /apps/ und Kategorien) */
.jf-band-sm .jf-container { padding-block: 32px 36px; }
.jf-band-sm h1 { font-size: clamp(1.6rem, 3vw, 2.1rem); }
.jf-band-sm .jf-search { margin-top: 20px; }
.jf-crumb { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; margin: 0 0 14px; padding: 0; list-style: none;
            font-size: .85rem; color: rgba(255,255,255,.7); }
.jf-crumb a { color: rgba(255,255,255,.85); text-decoration: none; }
.jf-crumb a:hover { color: #fff; text-decoration: underline; }
.jf-crumb li + li::before { content: "›"; margin-right: 6px; opacity: .6; }
.jf-band-ico { display: inline-flex; align-items: center; justify-content: center; width: 52px; height: 52px;
               border-radius: 14px; margin-bottom: 14px; color: #fff; background: rgba(255,255,255,.14);
               border: 1px solid rgba(255,255,255,.22); }
.jf-band-ico svg { width: 26px; height: 26px; }
.jf-chip svg { width: 16px; height: 16px; }
.jf-chip-zahl { font-weight: 700; opacity: .7; }

/* Schnellzugriff-Chips */
.jf-chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; padding: 0; list-style: none; }
.jf-chip { display: inline-flex; align-items: center; gap: 6px; padding: 6px 12px; border-radius: 999px;
           font-size: .85rem; font-weight: 600; text-decoration: none;
           color: #fff; background: rgba(255,255,255,.12); border: 1px solid rgba(255,255,255,.22);
           transition: background-color .15s; }
.jf-chip:hover { color: #fff; background: rgba(255,255,255,.22); }

/* --- Abschnittsueberschrift ------------------------------------------- */
.jf-section { margin-top: 44px; }
.jf-section-head { display: flex; align-items: baseline; justify-content: space-between; gap: 12px;
                   flex-wrap: wrap; margin-bottom: 16px; }
.jf-section-head h2 { margin: 0; }
.jf-section-head p { margin: 2px 0 0; color: var(--jf-muted); font-size: .95rem; width: 100%; }
.jf-section-head a { font-size: .9rem; font-weight: 600; text-decoration: none; }
.jf-section-head a:hover { text-decoration: underline; }

/* --- Karten ------------------------------------------------------------ */
.jf-cards { list-style: none; padding: 0; margin: 20px 0; display: grid; gap: 16px;
            grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); }
.jf-section .jf-cards { margin-top: 0; }
.jf-card { position: relative; display: flex; flex-direction: column; gap: 4px; height: 100%;
           padding: 20px 20px 18px; background: var(--jf-surface);
           border: 1px solid var(--jf-line); border-radius: var(--jf-radius-lg); box-shadow: var(--jf-shadow);
           color: var(--jf-ink); text-decoration: none;
           transition: transform .2s var(--jf-ease), box-shadow .2s var(--jf-ease), border-color .2s; }
a.jf-card:hover { transform: translateY(-3px); box-shadow: var(--jf-shadow-lg);
                  border-color: rgba(27,57,123,.28); color: var(--jf-ink); }
a.jf-card:focus-visible { outline: none; box-shadow: var(--jf-shadow-lg), var(--jf-ring); }
.jf-card strong { display: block; font: 700 1.05rem/1.3 var(--jf-font-head); color: var(--jf-ink-strong);
                  margin: 0 0 2px; padding-right: 22px; }
.jf-card > span:not(.jf-card-ico):not(.jf-card-meta), .jf-card .jf-card-text { color: var(--jf-muted); font-size: .92rem; line-height: 1.5; }
/* Pfeil rechts oben, faehrt beim Hover mit */
a.jf-card::after { content: ""; position: absolute; top: 22px; right: 20px; width: 16px; height: 16px;
  background: currentColor; color: var(--jf-line);
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12h14M13 6l6 6-6 6'/%3E%3C/svg%3E") center/contain no-repeat;
          mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12h14M13 6l6 6-6 6'/%3E%3C/svg%3E") center/contain no-repeat;
  transition: transform .2s var(--jf-ease), color .2s; }
a.jf-card:hover::after { color: var(--jf-primary); transform: translateX(3px); }
/* Symbol oben links */
.jf-card-ico { display: inline-flex; align-items: center; justify-content: center; flex: none;
               width: 44px; height: 44px; border-radius: 12px; margin-bottom: 12px;
               color: var(--jf-primary); background: var(--jf-primary-soft);
               transition: background-color .2s, color .2s; }
.jf-card-ico svg { width: 22px; height: 22px; }
a.jf-card:hover .jf-card-ico { background: var(--jf-primary); color: #fff; }
.jf-card-meta { margin-top: auto; padding-top: 12px; font-size: .78rem; font-weight: 600; letter-spacing: .04em;
                text-transform: uppercase; color: var(--jf-accent); }
.jf-badge { display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: .72rem; font-weight: 700;
            letter-spacing: .03em; color: var(--jf-primary); background: var(--jf-primary-soft); vertical-align: 2px; }
/* Kompakte Karten (z. B. Wiki-Buecher) */
.jf-cards-sm { grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 12px; }
.jf-cards-sm .jf-card { flex-direction: row; align-items: center; gap: 12px; padding: 14px 40px 14px 14px;
                        border-radius: var(--jf-radius); }
.jf-cards-sm .jf-card-ico { width: 38px; height: 38px; border-radius: 10px; margin: 0; }
.jf-cards-sm .jf-card-ico svg { width: 19px; height: 19px; }
.jf-cards-sm .jf-card strong { font-size: .97rem; margin: 0; padding: 0; }
.jf-cards-sm .jf-card > div > span { display: block; color: var(--jf-muted); font-size: .82rem; line-height: 1.35; }
.jf-cards-sm a.jf-card::after { top: 50%; margin-top: -7px; width: 14px; height: 14px; right: 14px; }
.jf-cards-5 { grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); }
[hidden] { display: none !important; }
.jf-empty { padding: 28px; text-align: center; color: var(--jf-muted); border: 1px dashed var(--jf-line);
            border-radius: var(--jf-radius-lg); background: var(--jf-surface); }

/* Flaeche fuer Inhalte */
.jf-panel { background: var(--jf-surface); border: 1px solid var(--jf-line); border-radius: var(--jf-radius-lg);
            box-shadow: var(--jf-shadow); padding: 24px; }

/* --- Buttons und Formulare -------------------------------------------- */
.jf-btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px;
          padding: 10px 20px; border: 0; border-radius: var(--jf-radius);
          background: var(--jf-primary); color: var(--jf-on-primary); font: 600 .95rem/1.2 var(--jf-font-body);
          text-decoration: none; cursor: pointer; box-shadow: 0 1px 2px rgba(16,24,40,.08);
          transition: background-color .15s, box-shadow .15s, transform .1s; }
.jf-btn:hover { background: var(--jf-primary-dark); color: var(--jf-on-primary); box-shadow: 0 4px 12px rgba(27,57,123,.25); }
.jf-btn:active { transform: translateY(1px); }
.jf-btn:focus-visible { outline: none; box-shadow: var(--jf-ring); }
.jf-btn-outline { background: var(--jf-surface); color: var(--jf-primary); box-shadow: inset 0 0 0 1.5px var(--jf-primary); }
.jf-btn-outline:hover { background: var(--jf-primary); box-shadow: inset 0 0 0 1.5px var(--jf-primary); }
.jf-input, input.jf, select.jf, textarea.jf {
  font: inherit; padding: 9px 12px; border: 1px solid #cfd5e2; border-radius: var(--jf-radius);
  background: var(--jf-surface); color: var(--jf-ink); transition: border-color .15s, box-shadow .15s; }
.jf-input:focus, input.jf:focus, select.jf:focus, textarea.jf:focus {
  outline: none; border-color: var(--jf-primary); box-shadow: var(--jf-ring); }

/* --- Fusszeile --------------------------------------------------------- */
.jf-footer { background: var(--jf-footer-bg); color: var(--jf-footer-ink); margin-top: 64px; font-size: .85rem; }
.jf-footer .jf-container { display: flex; justify-content: space-between; align-items: center; gap: 10px 32px;
                           flex-wrap: wrap; padding-block: 22px; }
.jf-footer a { color: #fff; text-decoration: none; }
.jf-footer a:hover { color: #fff; text-decoration: underline; }

/* --- Handy ------------------------------------------------------------ */
@media (max-width: 600px) {
  /* Karten auf dem Handy kompakt: Symbol links, Text rechts */
  .jf-cards { gap: 10px; }
  .jf-card { display: grid; grid-template-columns: auto 1fr; column-gap: 14px; align-items: start;
             padding: 14px 40px 14px 14px; border-radius: var(--jf-radius); }
  .jf-card > * { grid-column: 2; }
  .jf-card .jf-card-ico { grid-column: 1; grid-row: 1 / span 3; width: 40px; height: 40px; margin: 0; }
  .jf-card strong { padding-right: 0; }
  .jf-card-meta { display: none; }
  a.jf-card::after { top: 50%; margin-top: -7px; width: 14px; height: 14px; right: 14px; }
  .jf-cards-sm .jf-card { display: flex; }
  .jf-band-sm .jf-chips { display: none; }
  .jf-cards-5 { grid-template-columns: 1fr 1fr; }
  .jf-cards-5 .jf-card { padding: 12px 12px; flex-direction: column; align-items: flex-start; gap: 8px; }
  .jf-cards-5 a.jf-card::after { display: none; }
  .jf-section { margin-top: 32px; }
}

/* --- Bewegung reduzieren ---------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; scroll-behavior: auto !important; }
}

/* --- Druck (Aufkleber, Listen) ---------------------------------------- */
@media print {
  .jf-topbar, .jf-header, .jf-footer, .jf-noprint, .jf-band { display: none !important; }
  body { background: #fff; }
}