@font-face {
  font-family: 'IBM Plex Sans';
  src: url('../fonts/IBMPlexSans-Variable.ttf') format('truetype');
  font-weight: 100 700;
  font-style: normal;
}
@font-face {
  font-family: 'IBM Plex Sans';
  src: url('../fonts/IBMPlexSans-Italic-Variable.ttf') format('truetype');
  font-weight: 100 700;
  font-style: italic;
}

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

body {
  font-family: 'IBM Plex Sans', 'Segoe UI', system-ui, sans-serif;
  background: #f0f2f5;
  color: #1a1a2e;
  min-height: 100vh;
}

/* ── Login Screen ─────────────────────────────────────────────── */
#loginScreen {
  position: fixed;
  inset: 0;
  background: #f0f2f5;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 1rem;
}

#loginScreen.hidden { display: none; }

.login-card {
  background: #fff;
  border-radius: 16px;
  padding: 2.5rem 2.25rem;
  width: 100%;
  max-width: 400px;
  box-shadow: 0 4px 24px rgba(0,0,0,0.1);
}

.login-logo {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  margin-bottom: 1.75rem;
}

.login-logo svg { color: #4361ee; }
.login-logo h1 { font-size: 1.2rem; font-weight: 600; color: #1a1a2e; }

.login-card h2 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 0.35rem;
}

.login-card p {
  font-size: 0.9rem;
  color: #666;
  margin-bottom: 1.75rem;
}

#loginError {
  background: #fff5f5;
  border: 1.5px solid #feb2b2;
  border-radius: 8px;
  padding: 0.65rem 0.85rem;
  font-size: 0.85rem;
  color: #c53030;
  margin-bottom: 1rem;
  display: none;
}

/* ── App Shell ────────────────────────────────────────────────── */
#appShell { display: block; }
#appShell.hidden { display: none; }

header {
  background: #1a1a2e;
  color: #fff;
  padding: 0 2rem;
  height: 60px;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  box-shadow: 0 2px 8px rgba(0,0,0,0.25);
}

header svg { flex-shrink: 0; }
header h1 { font-size: 1.2rem; font-weight: 600; letter-spacing: 0.01em; flex: 1; }

.user-info {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.82rem;
  color: rgba(255,255,255,0.7);
}

#userEmail { color: rgba(255,255,255,0.85); font-weight: 500; }

.btn-logout {
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  color: #fff;
  border-radius: 6px;
  padding: 0.3rem 0.75rem;
  font-size: 0.8rem;
  font-family: inherit;
  cursor: pointer;
  transition: background 0.15s;
}

.btn-logout:hover { background: rgba(255,255,255,0.18); }

main {
  max-width: 1100px;
  margin: 2rem auto;
  padding: 0 1.25rem;
  display: grid;
  gap: 1.75rem;
}

.card {
  background: #fff;
  border-radius: 12px;
  padding: 1.75rem 2rem;
  box-shadow: 0 1px 4px rgba(0,0,0,0.08), 0 4px 16px rgba(0,0,0,0.04);
}

.card-title {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #555;
  margin-bottom: 1.25rem;
  padding-bottom: 0.75rem;
  border-bottom: 2px solid #f0f2f5;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
}

/* ── Form ── */
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem 1.5rem;
}

.form-group { display: flex; flex-direction: column; gap: 0.35rem; }
.form-group.full { grid-column: 1 / -1; }

label {
  font-size: 0.78rem;
  font-weight: 600;
  color: #444;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

input, select, textarea {
  border: 1.5px solid #d0d5dd;
  border-radius: 8px;
  padding: 0.6rem 0.85rem;
  font-size: 0.95rem;
  font-family: 'IBM Plex Sans', inherit;
  color: #1a1a2e;
  background: #fafafa;
  transition: border-color 0.15s, box-shadow 0.15s;
  width: 100%;
}

input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: #4361ee;
  box-shadow: 0 0 0 3px rgba(67,97,238,0.12);
  background: #fff;
}

textarea { resize: vertical; min-height: 80px; }

/* Inventarnummer row */
.inv-row { display: flex; align-items: center; gap: 0.5rem; }
.inv-row input { flex: 1; }
.inv-sep {
  font-size: 1.4rem;
  font-weight: 300;
  color: #888;
  flex-shrink: 0;
  user-select: none;
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.6rem 1.25rem;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 600;
  font-family: 'IBM Plex Sans', inherit;
  cursor: pointer;
  border: none;
  transition: background 0.15s, transform 0.1s, box-shadow 0.15s;
  white-space: nowrap;
}

.btn:active { transform: scale(0.97); }

.btn-primary {
  background: #4361ee;
  color: #fff;
  box-shadow: 0 2px 8px rgba(67,97,238,0.3);
}

.btn-primary:hover  { background: #3651d4; }
.btn-primary:disabled { background: #a0aec0; box-shadow: none; cursor: not-allowed; }

.btn-secondary {
  background: #f0f2f5;
  color: #333;
  border: 1.5px solid #d0d5dd;
}

.btn-secondary:hover { background: #e4e8ef; }

.btn-danger {
  background: transparent;
  color: #e53e3e;
  border: 1.5px solid #e53e3e;
  padding: 0.28rem 0.65rem;
  font-size: 0.78rem;
  border-radius: 6px;
}

.btn-danger:hover { background: #fff5f5; }

.btn-edit {
  background: transparent;
  color: #4361ee;
  border: 1.5px solid #4361ee;
  padding: 0.28rem 0.65rem;
  font-size: 0.78rem;
  border-radius: 6px;
}

.btn-edit:hover { background: #ebf0ff; }

.action-btns { display: flex; gap: 0.4rem; }

.form-actions {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-top: 0.5rem;
}

#statusMsg {
  font-size: 0.88rem;
  font-weight: 500;
  opacity: 0;
  transition: opacity 0.3s;
}

#statusMsg.show  { opacity: 1; }
#statusMsg.success { color: #2f855a; }
#statusMsg.error   { color: #c53030; }

/* ── Filter + Export bar ── */
.toolbar {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  align-items: flex-end;
}

.toolbar .form-group { flex: 1; min-width: 140px; }

.export-group {
  display: flex;
  gap: 0.5rem;
  align-items: flex-end;
  flex-shrink: 0;
}

/* ── Table ── */
.table-wrapper { overflow-x: auto; margin-top: 0.25rem; }

table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }

thead th {
  background: #f7f8fc;
  padding: 0.65rem 0.85rem;
  text-align: left;
  font-weight: 700;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #555;
  border-bottom: 2px solid #e8eaf0;
  white-space: nowrap;
}

tbody tr { border-bottom: 1px solid #f0f2f5; transition: background 0.12s; }
tbody tr:hover { background: #f7f8fc; }

tbody td {
  padding: 0.65rem 0.85rem;
  vertical-align: middle;
  color: #2d3748;
}

.badge {
  display: inline-block;
  padding: 0.18rem 0.6rem;
  border-radius: 999px;
  font-size: 0.73rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.badge-drucker { background: #ebf8ff; color: #2b6cb0; }
.badge-monitor { background: #f0fff4; color: #276749; }
.badge-pc-tiny { background: #faf5ff; color: #6b46c1; }
.badge-pc      { background: #fffaf0; color: #c05621; }

.inv-tag {
  font-family: 'Courier New', monospace;
  font-size: 0.83rem;
  font-weight: 700;
  background: #f0f2f5;
  padding: 0.12rem 0.45rem;
  border-radius: 4px;
}

.empty-state {
  text-align: center;
  padding: 3rem 1rem;
  color: #a0aec0;
}

.empty-state p { font-size: 0.9rem; margin-top: 0.5rem; }

.count-badge {
  background: #4361ee;
  color: #fff;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 0.1rem 0.5rem;
  border-radius: 999px;
  margin-left: 0.4rem;
}

/* ── Footer ── */
footer {
  background: #1a1a2e;
  color: rgba(255,255,255,0.45);
  font-size: 0.78rem;
  text-align: center;
  padding: 1rem 1.5rem;
  margin-top: 1rem;
  letter-spacing: 0.02em;
}

footer span { color: rgba(255,255,255,0.65); }

/* ── Responsive ── */
@media (max-width: 768px) {
  main { margin: 1.25rem auto; padding: 0 0.875rem; gap: 1.25rem; }

  .card { padding: 1.25rem 1.25rem; }

  .card-title { flex-direction: column; align-items: flex-start; }

  .toolbar { width: 100%; }
  .toolbar .form-group { min-width: 0; flex: 1 1 140px; }

  .export-group { flex-wrap: wrap; width: 100%; }
  .export-group .btn { flex: 1 1 auto; justify-content: center; }
}

@media (max-width: 480px) {
  header { padding: 0 0.875rem; height: auto; min-height: 56px; flex-wrap: wrap; gap: 0.5rem; padding-top: 0.6rem; padding-bottom: 0.6rem; }
  header h1 { font-size: 1rem; flex: 1; }
  #userEmail { display: none; }

  main { margin: 1rem auto; padding: 0 0.625rem; gap: 1rem; }

  .card { padding: 1rem; border-radius: 10px; }

  .form-grid { grid-template-columns: 1fr; }
  .form-group.full { grid-column: 1; }

  .inv-row { flex-direction: column; align-items: stretch; }
  .inv-sep { text-align: center; font-size: 1rem; }

  .form-actions { flex-direction: column; align-items: stretch; }
  .form-actions .btn { justify-content: center; }

  .toolbar .form-group { flex: 1 1 100%; }
  .export-group .btn { font-size: 0.82rem; padding: 0.5rem 0.75rem; }

  input, select, textarea { font-size: 1rem; } /* verhindert Auto-Zoom auf iOS */

  .login-card { padding: 1.75rem 1.25rem; border-radius: 12px; }

  /* Tabelle → Kartenliste */
  .table-wrapper { overflow-x: unset; }

  table, thead, tbody, tr, th, td { display: block; }

  thead { display: none; }

  tbody tr {
    border: 1px solid #e8eaf0;
    border-radius: 10px;
    margin-bottom: 0.75rem;
    padding: 0.75rem 0.875rem;
    background: #fff;
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
  }

  tbody tr:hover { background: #fff; }

  tbody td {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding: 0.3rem 0;
    border: none;
    font-size: 0.88rem;
    gap: 0.75rem;
  }

  tbody td::before {
    content: attr(data-label);
    font-weight: 700;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: #888;
    flex-shrink: 0;
    padding-top: 0.15rem;
    min-width: 90px;
  }

  tbody td:empty { display: none; }

  tbody td:last-child {
    justify-content: stretch;
    padding-top: 0.65rem;
    margin-top: 0.3rem;
    border-top: 1px solid #f0f2f5;
  }
  tbody td:last-child::before { display: none; }
  tbody td:last-child .btn-danger,
  tbody td:last-child .btn-edit {
    flex: 1;
    justify-content: center;
    padding: 0.6rem;
    font-size: 0.88rem;
    border-radius: 8px;
    min-height: 44px;
  }

  tbody td:last-child .action-btns { width: 100%; }
}