/* ============================================================
   styles.css — Inventur Bestandserfassung
   Design im ProDig-Look: ProDig-Variablen, Inter, Bootstrap 5.3.
   Dark Mode über [data-theme="dark"]. Farben nur über Variablen.
   ============================================================ */

/* ---- 1. CSS-Variablen (aus ProDig übernommen) ---- */
:root {
  --bg-body:        #e6edf4;
  --card-bg:        #ffffff;
  --card-border:    #e5e7eb;
  --card-shadow:    0 1px 3px rgba(0,0,0,0.04);
  --header-bg:      #1B3A6B;
  --input-bg:       #ffffff;
  --input-border:   #d1d5db;
  --text-main:      #000000;
  --text-muted:     #4b5563;
  --text-white:     #ffffff;
  --color-blue:     #3b82f6;
  --color-green:    #10b981;
  --color-orange:   #f59e0b;
  --color-red:      #ef4444;
  --transition:     0.2s ease;
}

[data-theme="dark"] {
  --bg-body:        #374151;
  --card-bg:        #4b5563;
  --card-border:    #334155;
  --card-shadow:    0 1px 3px rgba(0,0,0,0.2);
  --input-bg:       #1f2937;
  --input-border:   #4b5563;
  --text-main:      #ffffff;
  --text-muted:     #94a3b8;
}

/* ---- 2. Reset & Base ---- */
*, *::before, *::after { box-sizing: border-box; }

body {
  margin: 0;
  background-color: var(--bg-body);
  color: var(--text-main);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  transition: background-color var(--transition), color var(--transition);
}

/* FOUC-Schutz */
body { opacity: 0; transition: opacity 0.2s; }
body.ready { opacity: 1; }

/* ---- 3. Test-Banner (A1) ---- */
#env-banner {
  background: var(--color-red);
  color: #fff;
  text-align: center;
  font-weight: 700;
  letter-spacing: 1px;
  padding: 4px;
}

/* ---- 4. Login-Screen (ProDig-Stil) ---- */
#login-screen {
  position: fixed; inset: 0; z-index: 99999;
  background: #f1f5f9;
  display: flex;
  align-items: center; justify-content: center;
}
[data-theme="dark"] #login-screen { background: #1f2937; }

.login-card {
  background: var(--card-bg);
  border-radius: 16px;
  padding: 40px;
  box-shadow: 0 4px 24px rgba(0,0,0,0.08);
  text-align: center;
  max-width: 380px;
  width: 90%;
}
.login-logo-wrap {
  width: 80px; height: 80px;
  background: var(--header-bg);
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 24px auto;
}
.login-logo-wrap img { height: 50px; filter: brightness(0) invert(1); }
.login-card h1 { font-size: 1.25rem; font-weight: 800; margin: 0 0 8px; }
.login-card p { color: var(--text-muted); font-size: 0.9rem; margin-bottom: 24px; }
.login-error { color: var(--color-red); font-size: 0.8rem; margin-top: 12px; min-height: 20px; }

#btn-login {
  background: var(--header-bg);
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 12px 32px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: opacity var(--transition);
}
#btn-login:hover { opacity: 0.9; }

/* ---- 5. Header (ProDig: abgerundeter Navy-Balken) ---- */
.header {
  height: 64px;
  background-color: var(--header-bg);
  border-radius: 12px;
  margin: 10px 24px 0 24px;
  padding: 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
}
.header .title {
  display: flex; align-items: center; gap: 12px;
  color: var(--text-white);
  font-size: 18px; font-weight: 700;
  white-space: nowrap;
}
.header .title img { height: 32px; filter: brightness(0) invert(1); }
.header-right { display: flex; align-items: center; gap: 12px; }
.version-tag { font-size: 12px; color: rgba(255,255,255,0.75); white-space: nowrap; }

.icon-btn {
  width: 40px; height: 40px;
  border-radius: 50%;
  border: none;
  background: transparent;
  color: var(--text-white);
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
  transition: all var(--transition);
}
.icon-btn:hover {
  background-color: rgba(255,255,255,0.15);
  box-shadow: 0 0 10px rgba(255,255,255,0.3);
}

/* ---- 6. Content & Form-Card ---- */
.content {
  flex: 1;
  display: flex;
  justify-content: center;
  padding: 24px;
}
.form-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 16px;
  box-shadow: var(--card-shadow);
  padding: 28px;
  width: 100%;
  max-width: 460px;
  height: fit-content;
}
.form-card h2 {
  font-size: 1.05rem;
  font-weight: 800;
  margin: 0 0 20px;
  display: flex; align-items: center; gap: 8px;
}

.field { margin-bottom: 16px; }
.field label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 6px;
}
.req { color: var(--color-red); }

/* Inputs im ProDig-Stil */
.inv-input {
  width: 100%;
  height: 42px;
  border-radius: 8px;
  padding: 0 12px;
  font-size: 0.95rem;
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  color: var(--text-main);
  outline: none;
  transition: border-color var(--transition);
}
.inv-input:focus {
  border-color: var(--color-blue);
  box-shadow: 0 0 0 2px rgba(59,130,246,0.15);
}
.inv-input[readonly] { background: var(--bg-body); opacity: 0.8; }

/* Lagerplatz + Schloss */
.row-lock { display: flex; gap: 8px; }
.row-lock .inv-input { flex: 1; }
.lock-btn {
  width: 48px;
  border: 1px solid var(--input-border);
  border-radius: 8px;
  background: var(--input-bg);
  color: var(--text-main);
  font-size: 1.2rem;
  cursor: pointer;
  transition: all var(--transition);
}
.lock-btn[aria-pressed="true"] {
  background: var(--color-blue);
  border-color: var(--color-blue);
  color: #fff;
}

/* Artikelbeschreibung */
.artikel-beschreibung {
  margin-top: 6px;
  min-height: 20px;
  font-size: 0.82rem;
  font-style: italic;
  color: var(--text-muted);
}
.artikel-beschreibung.error { color: var(--color-red); font-style: normal; }

/* Bestand + Einheit */
.row-bestand { display: flex; gap: 8px; align-items: center; }
.row-bestand .inv-input { flex: 1; }
.unit { font-size: 0.85rem; color: var(--text-muted); white-space: nowrap; }

/* Druck-Zeile */
.row-print { margin: 4px 0 8px; }

/* Buttons */
.btn {
  border: none;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
}
.btn-primary {
  background: var(--color-blue);
  color: #fff;
  padding: 12px 20px;
  font-size: 0.95rem;
}
.btn-primary:hover { filter: brightness(0.95); transform: translateY(-1px); }
.btn-buchen { width: 100%; margin-top: 8px; height: 48px; font-size: 1rem; }
.btn-secondary {
  background: var(--input-bg);
  color: var(--text-main);
  border: 1px solid var(--input-border);
  padding: 9px 14px;
  font-size: 0.85rem;
}
.btn-secondary:hover { border-color: var(--color-blue); color: var(--color-blue); }
.btn-text {
  background: none; border: none; color: var(--text-muted);
  cursor: pointer; margin-top: 12px; font-size: 0.82rem;
}
.btn-text:hover { color: var(--color-blue); }

.hint { font-size: 0.78rem; color: var(--text-muted); margin-top: 14px; }

/* Statusmeldung */
.form-msg {
  margin-top: 16px;
  padding: 12px 14px;
  border-radius: 8px;
  font-size: 0.9rem;
  display: flex; align-items: center; gap: 8px;
}
.form-msg.ok  { background: rgba(16,185,129,0.12); color: var(--color-green); border-left: 4px solid var(--color-green); }
.form-msg.err { background: rgba(239,68,68,0.12);  color: var(--color-red);   border-left: 4px solid var(--color-red); }

/* ---- 7. Dup-Modal ---- */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.5);
  backdrop-filter: blur(2px);
  display: flex; align-items: center; justify-content: center;
  padding: 20px; z-index: 10000;
}
.modal-card {
  background: var(--card-bg);
  color: var(--text-main);
  border-radius: 16px;
  padding: 28px;
  max-width: 420px; width: 100%;
  box-shadow: 0 16px 48px rgba(0,0,0,0.25);
  text-align: center;
}
.modal-card h2 {
  font-size: 1.05rem; font-weight: 800;
  margin: 0 0 12px;
  display: flex; align-items: center; justify-content: center; gap: 8px;
}
.modal-card p { color: var(--text-muted); font-size: 0.9rem; margin: 0 0 8px; }
.modal-actions { display: flex; flex-direction: column; gap: 10px; margin-top: 20px; }
.modal-actions .btn { width: 100%; padding: 12px; }

/* ---- 8. Responsive ---- */
@media (max-width: 768px) {
  .header { margin: 0; border-radius: 0; }
  .content { padding: 16px; }
  .form-card { padding: 20px; }
}

/* ---- 9. Wizard-Erweiterungen ---- */
.card-head {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 20px;
}
.card-head h2 { margin: 0; }

.icon-btn-light {
  width: 36px; height: 36px;
  border-radius: 50%;
  border: 1px solid var(--input-border);
  background: var(--input-bg);
  color: var(--text-muted);
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem;
  transition: all var(--transition);
}
.icon-btn-light:hover { border-color: var(--color-blue); color: var(--color-blue); }

/* Input mit Status-Icon rechts */
.input-wrap { position: relative; flex: 1; }
.input-wrap .inv-input { width: 100%; padding-right: 38px; }
.status-icon {
  position: absolute; right: 12px; top: 50%; transform: translateY(-50%);
  display: flex; align-items: center; font-size: 1.05rem;
  pointer-events: none;
}

/* Bestätigtes (ausgegrautes) Feld */
.inv-input.confirmed,
.inv-input[readonly] {
  background: var(--bg-body);
  color: var(--text-muted);
  border-color: var(--card-border);
  cursor: not-allowed;
}

/* Step-Hint (Fehler unter Lagerplatz) */
.step-hint {
  margin-top: 6px;
  font-size: 0.8rem;
  color: var(--text-muted);
}
.step-hint.error { color: var(--color-red); }

/* Mini-Spinner während Prüfung */
.mini-spinner {
  width: 15px; height: 15px;
  border: 2px solid var(--card-border);
  border-top-color: var(--color-blue);
  border-radius: 50%;
  display: inline-block;
  animation: spin 0.6s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* Buchen disabled */
.btn-buchen:disabled {
  background: var(--input-border);
  color: var(--text-muted);
  cursor: not-allowed;
  filter: none; transform: none;
}

/* Sanftes Einblenden neuer Schritte */
#step-artikel, #step-bestand { animation: stepIn 0.25s ease; }
@keyframes stepIn { from { opacity: 0; transform: translateY(-4px); } to { opacity: 1; transform: translateY(0); } }

/* ---- 10. Modus-Tabs ---- */
.mode-tabs {
  display: flex; gap: 4px;
  background: var(--bg-body);
  border-radius: 10px;
  padding: 4px;
  margin-bottom: 22px;
}
.mode-tab {
  flex: 1;
  border: none;
  background: transparent;
  color: var(--text-muted);
  font-size: 0.88rem; font-weight: 600;
  padding: 9px 12px;
  border-radius: 8px;
  cursor: pointer;
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  transition: all var(--transition);
}
.mode-tab.active {
  background: var(--card-bg);
  color: var(--color-blue);
  box-shadow: var(--card-shadow);
}

/* ---- 11. Kacheln ---- */
.kachel-head {
  font-size: 0.9rem; font-weight: 700;
  margin: 8px 0 12px;
}
.kachel-hint { font-weight: 400; color: var(--text-muted); font-size: 0.8rem; }

.kachel-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 10px;
}
.kachel {
  text-align: left;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-left: 4px solid var(--color-blue);
  border-radius: 10px;
  padding: 12px;
  cursor: pointer;
  transition: all var(--transition);
  box-shadow: var(--card-shadow);
}
.kachel:hover { transform: translateY(-2px); box-shadow: 0 4px 12px rgba(0,0,0,0.1); border-left-color: var(--header-bg); }
.kachel-lp  { font-size: 0.82rem; font-weight: 700; color: var(--header-bg); display:flex; align-items:center; gap:4px; }
[data-theme="dark"] .kachel-lp { color: #93c5fd; }
.kachel-art { font-size: 0.95rem; font-weight: 600; margin-top: 6px; }
.kachel-bez { font-size: 0.78rem; color: var(--text-muted); margin-top: 2px; line-height: 1.3; }

.kachel-loading { padding: 24px; text-align: center; color: var(--text-muted); font-size: 0.9rem; }
.kachel-loading.err { color: var(--color-red); }

.kachel-empty {
  text-align: center; padding: 36px 16px; color: var(--text-muted);
}
.kachel-empty .bi { font-size: 2.4rem; color: var(--color-green); display: block; margin-bottom: 10px; }
.kachel-empty p { margin: 0; font-size: 0.92rem; }

/* ---- 12. Gegenbestätigungs-Block ---- */
.confirm-info {
  background: var(--bg-body);
  border: 1px solid var(--card-border);
  border-radius: 10px;
  padding: 14px;
  margin-bottom: 18px;
}
.ci-title { font-size: 0.82rem; font-weight: 700; color: var(--color-blue); margin-bottom: 10px; display:flex; align-items:center; gap:6px; }
.ci-row { display: flex; justify-content: space-between; font-size: 0.85rem; padding: 3px 0; }
.ci-row span { color: var(--text-muted); }
.ci-row b { font-weight: 700; text-align: right; }

/* Nicht markierbar / nicht kopierbar */
.noselect {
  user-select: none; -webkit-user-select: none; -moz-user-select: none; -ms-user-select: none;
  -webkit-touch-callout: none;
  pointer-events: none;
}

/* ---- 13. Lager-Ebenen-Leiste ---- */
.ebene-bar {
  display: flex; align-items: center; gap: 10px;
  margin-bottom: 14px;
}
.ebene-title { font-size: 0.95rem; font-weight: 700; }
.lager-kachel { border-left-color: var(--header-bg); }
.lager-kachel .kachel-lp { color: var(--header-bg); font-size: 0.9rem; }
[data-theme="dark"] .lager-kachel .kachel-lp { color: #93c5fd; }

/* ---- 14. Reservierung ---- */
.lager-hinweis {
  background: rgba(245,158,11,0.12);
  color: var(--color-orange);
  border-left: 4px solid var(--color-orange);
  border-radius: 8px;
  padding: 10px 12px;
  font-size: 0.85rem;
  margin-bottom: 12px;
}
.kachel-busy { opacity: 0.5; cursor: wait; }

/* ---- 15. Gang-Filter ---- */
.gang-filter-wrap {
  display: flex; align-items: center; gap: 10px;
  margin-bottom: 14px;
}
.gang-filter-wrap label { font-size: 0.85rem; font-weight: 600; color: var(--text-muted); margin: 0; }
.gang-filter-wrap select { max-width: 220px; }