/* ============================================================
   Reset & Base
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --color-primary: #2563eb;
  --color-primary-dark: #1d4ed8;
  --color-danger: #dc2626;
  --color-danger-dark: #b91c1c;
  --color-success-bg: #f0fdf4;
  --color-success-border: #86efac;
  --color-success-text: #166534;
  --color-error-bg: #fef2f2;
  --color-error-border: #fca5a5;
  --color-error-text: #991b1b;
  --color-warning-bg: #fffbeb;
  --color-warning-border: #fcd34d;
  --color-warning-text: #92400e;
  --color-bg: #f8fafc;
  --color-surface: #ffffff;
  --color-border: #e2e8f0;
  --color-text: #1e293b;
  --color-muted: #64748b;
  --radius: 8px;
  --shadow: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.04);
}

html { font-size: 16px; -webkit-text-size-adjust: 100%; }

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.5;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a { color: var(--color-primary); text-decoration: none; }
a:hover { text-decoration: underline; }

img { max-width: 100%; height: auto; display: block; }

/* ============================================================
   Buttons
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.25rem;
  padding: 0.5rem 1rem;
  border-radius: var(--radius);
  border: none;
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.15s, opacity 0.15s;
  white-space: nowrap;
}

.btn-primary { background: var(--color-primary); color: #fff; }
.btn-primary:hover { background: var(--color-primary-dark); text-decoration: none; color: #fff; }

.btn-secondary { background: var(--color-border); color: var(--color-text); }
.btn-secondary:hover { background: #cbd5e1; text-decoration: none; }

.btn-danger { background: var(--color-danger); color: #fff; }
.btn-danger:hover { background: var(--color-danger-dark); color: #fff; text-decoration: none; }

.btn-sm { padding: 0.3rem 0.6rem; font-size: 0.8rem; }
.btn-full { width: 100%; }

/* ============================================================
   Flash messages
   ============================================================ */
.flash {
  padding: 0.75rem 1rem;
  border-radius: var(--radius);
  margin-bottom: 1rem;
  font-size: 0.9rem;
}
.flash-success { background: var(--color-success-bg); border: 1px solid var(--color-success-border); color: var(--color-success-text); }
.flash-error { background: var(--color-error-bg); border: 1px solid var(--color-error-border); color: var(--color-error-text); }
.flash-warning { background: var(--color-warning-bg); border: 1px solid var(--color-warning-border); color: var(--color-warning-text); }

/* ============================================================
   Forms
   ============================================================ */
.form-group { margin-bottom: 1.25rem; }
.form-group label { display: block; font-size: 0.875rem; font-weight: 500; margin-bottom: 0.4rem; color: var(--color-muted); }
.form-group small { font-weight: 400; color: var(--color-muted); }
.form-group input[type="text"],
.form-group input[type="url"],
.form-group input[type="email"],
.form-group input[type="password"],
.form-group input[type="search"],
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.6rem 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 1rem;
  font-family: inherit;
  background: var(--color-surface);
  color: var(--color-text);
  transition: border-color 0.15s;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus { outline: none; border-color: var(--color-primary); box-shadow: 0 0 0 3px rgba(37,99,235,0.12); }

.form-actions { display: flex; gap: 0.75rem; flex-wrap: wrap; margin-top: 1.5rem; }
.form-narrow { max-width: 460px; }
.required { color: var(--color-danger); }

.select-with-add { display: flex; gap: 0.5rem; align-items: center; }
.select-with-add select { flex: 1; }

.form-row-inline { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
@media (max-width: 520px) { .form-row-inline { grid-template-columns: 1fr; } }

/* ============================================================
   Tables
   ============================================================ */
.table-wrapper { overflow-x: auto; border-radius: var(--radius); border: 1px solid var(--color-border); }
table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
thead { background: #f1f5f9; }
th { text-align: left; padding: 0.6rem 0.75rem; font-weight: 600; font-size: 0.8rem; color: var(--color-muted); text-transform: uppercase; letter-spacing: 0.04em; border-bottom: 1px solid var(--color-border); white-space: nowrap; }
td { padding: 0.65rem 0.75rem; border-bottom: 1px solid #f1f5f9; vertical-align: middle; }
tr:last-child td { border-bottom: none; }
tbody tr:hover { background: #f8fafc; }
.td-actions { white-space: nowrap; display: flex; gap: 0.4rem; align-items: center; }
.inline-form { display: inline; }

.table-search {
  width: 100%;
  padding: 0.6rem 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 1rem;
  margin-bottom: 0.75rem;
  background: var(--color-surface);
}
.table-search:focus { outline: none; border-color: var(--color-primary); box-shadow: 0 0 0 3px rgba(37,99,235,0.12); }

/* ============================================================
   Admin Layout
   ============================================================ */
.admin-body { background: var(--color-bg); }

.admin-header {
  background: var(--color-text);
  color: #fff;
  padding: 0 1rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  height: 52px;
  position: sticky;
  top: 0;
  z-index: 100;
}

.admin-logo { color: #fff; font-weight: 700; font-size: 1.1rem; text-decoration: none; flex-shrink: 0; }

.admin-nav { display: flex; align-items: center; gap: 0.25rem; flex-wrap: wrap; margin-left: auto; }
.admin-nav a { color: #cbd5e1; font-size: 0.85rem; padding: 0.3rem 0.6rem; border-radius: 6px; text-decoration: none; transition: background 0.15s, color 0.15s; }
.admin-nav a:hover, .admin-nav a.active { background: rgba(255,255,255,0.12); color: #fff; }
.admin-nav .nav-logout { color: #94a3b8; }

.admin-main { max-width: 900px; margin: 0 auto; padding: 1.5rem 1rem; flex: 1; }

.admin-footer { text-align: center; padding: 1rem; font-size: 0.8rem; color: var(--color-muted); border-top: 1px solid var(--color-border); margin-top: 2rem; }
.admin-footer a { color: var(--color-muted); }

.page-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 1.5rem; gap: 1rem; flex-wrap: wrap; }
.page-header h1 { font-size: 1.5rem; }

/* ============================================================
   Dashboard
   ============================================================ */
.stats-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; margin-bottom: 2rem; }
.stat-card { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius); padding: 1rem; text-align: center; box-shadow: var(--shadow); }
.stat-number { display: block; font-size: 2rem; font-weight: 700; color: var(--color-primary); }
.stat-label { font-size: 0.8rem; color: var(--color-muted); }

/* ============================================================
   Login
   ============================================================ */
.login-body { background: var(--color-bg); display: flex; align-items: center; justify-content: center; min-height: 100vh; }
.login-box { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: 12px; padding: 2rem; width: 100%; max-width: 380px; box-shadow: var(--shadow); }
.login-title { font-size: 1.75rem; font-weight: 700; text-align: center; margin-bottom: 0.25rem; }
.login-sub { text-align: center; color: var(--color-muted); margin-bottom: 1.5rem; }
.login-form { display: flex; flex-direction: column; gap: 1rem; }
.login-form label { display: block; font-size: 0.875rem; font-weight: 500; margin-bottom: 0.3rem; }
.login-form input { width: 100%; padding: 0.65rem 0.75rem; border: 1px solid var(--color-border); border-radius: var(--radius); font-size: 1rem; }
.login-form input:focus { outline: none; border-color: var(--color-primary); box-shadow: 0 0 0 3px rgba(37,99,235,0.12); }

/* ============================================================
   Item edit
   ============================================================ */
.item-form { max-width: 640px; }
.photo-preview img { max-height: 200px; border-radius: var(--radius); margin-bottom: 0.5rem; border: 1px solid var(--color-border); }
.photo-preview-new img { max-height: 200px; border-radius: var(--radius); margin-top: 0.5rem; border: 1px solid var(--color-border); }
.checkbox-label { display: inline-flex; align-items: center; gap: 0.4rem; font-size: 0.875rem; }
.qr-download-box { display: flex; gap: 0.75rem; flex-wrap: wrap; margin-bottom: 1.5rem; }

/* ============================================================
   Rooms
   ============================================================ */
.rooms-list { display: flex; flex-direction: column; gap: 1rem; margin-bottom: 2rem; }
.room-card { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius); overflow: hidden; }
.room-card-header { background: #f1f5f9; padding: 0.75rem 1rem; display: flex; align-items: center; gap: 0.5rem; flex-wrap: wrap; }
.location-list { padding: 0.5rem 1rem; display: flex; flex-direction: column; gap: 0.5rem; }
.location-row { display: flex; align-items: center; gap: 0.5rem; flex-wrap: wrap; }
.location-count { font-size: 0.75rem; color: var(--color-muted); flex-shrink: 0; }
.rename-input { flex: 1; min-width: 120px; padding: 0.35rem 0.6rem; border: 1px solid var(--color-border); border-radius: var(--radius); font-size: 0.9rem; }
.rename-input-sm { font-size: 0.85rem; }
.rename-form { display: flex; align-items: center; gap: 0.4rem; flex: 1; flex-wrap: wrap; }
.add-location-form { display: flex; align-items: center; gap: 0.4rem; flex-wrap: wrap; margin-top: 0.25rem; padding-top: 0.5rem; border-top: 1px dashed var(--color-border); }
.add-room-box { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius); padding: 1.25rem; }
.add-room-box h2 { font-size: 1rem; margin-bottom: 1rem; }
.add-box { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius); padding: 1.25rem; margin-top: 2rem; }
.add-box h2 { font-size: 1rem; margin-bottom: 1rem; }

/* ============================================================
   Admins
   ============================================================ */
.role-select { padding: 0.2rem 0.4rem; border: 1px solid var(--color-border); border-radius: 4px; font-size: 0.85rem; }
.badge { display: inline-block; padding: 0.1rem 0.4rem; border-radius: 4px; font-size: 0.7rem; font-weight: 600; vertical-align: middle; margin-left: 0.3rem; }
.badge-warning { background: var(--color-warning-bg); color: var(--color-warning-text); border: 1px solid var(--color-warning-border); }
.inline-code { background: #1e293b; color: #f1f5f9; padding: 0.2rem 0.5rem; border-radius: 4px; font-family: monospace; font-size: 1rem; }
.hint { font-size: 0.8rem; color: var(--color-muted); margin-top: -0.5rem; margin-bottom: 1rem; }

/* ============================================================
   Stats
   ============================================================ */
.stats-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; margin-bottom: 1.5rem; }
@media (max-width: 640px) { .stats-grid { grid-template-columns: 1fr; } }
.stats-section h2 { font-size: 1rem; margin-bottom: 0.75rem; }

/* ============================================================
   QR Print
   ============================================================ */
.qr-controls { display: flex; flex-direction: column; gap: 0.75rem; margin-bottom: 1rem; }
.size-selector { display: flex; gap: 1rem; flex-wrap: wrap; }
.size-selector label { display: flex; align-items: center; gap: 0.35rem; font-size: 0.9rem; cursor: pointer; }
.qr-select-actions { display: flex; gap: 0.5rem; flex-wrap: wrap; align-items: center; }

/* ============================================================
   Modal
   ============================================================ */
.modal {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.45);
  display: flex; align-items: center; justify-content: center;
  z-index: 200;
  padding: 1rem;
}
.modal-box {
  background: var(--color-surface);
  border-radius: 12px;
  padding: 1.5rem;
  width: 100%;
  max-width: 400px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.2);
}
.modal-box h2 { font-size: 1.1rem; margin-bottom: 1rem; }
.modal-actions { display: flex; gap: 0.75rem; margin-top: 1rem; }

/* ============================================================
   Public – Search
   ============================================================ */
.public-body { background: var(--color-bg); display: flex; flex-direction: column; min-height: 100vh; }

.search-main { flex: 1; display: flex; flex-direction: column; align-items: center; padding: 3rem 1rem 2rem; }

.search-title {
  font-size: clamp(2rem, 8vw, 3.5rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  text-align: center;
  margin-bottom: 2rem;
  color: var(--color-text);
}

.search-box { width: 100%; max-width: 520px; margin-bottom: 1.5rem; }
.search-box input {
  width: 100%;
  padding: 0.85rem 1.1rem;
  font-size: 1.15rem;
  border: 2px solid var(--color-border);
  border-radius: 12px;
  background: var(--color-surface);
  color: var(--color-text);
  box-shadow: var(--shadow);
  transition: border-color 0.15s, box-shadow 0.15s;
}
.search-box input:focus { outline: none; border-color: var(--color-primary); box-shadow: 0 0 0 4px rgba(37,99,235,0.12); }

.search-results { width: 100%; max-width: 520px; display: flex; flex-direction: column; gap: 0.5rem; }

.result-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 0.85rem 1rem;
  display: flex;
  align-items: center;
  gap: 0.85rem;
  text-decoration: none;
  color: var(--color-text);
  box-shadow: var(--shadow);
  transition: border-color 0.15s, transform 0.1s;
}
.result-card:hover { border-color: var(--color-primary); transform: translateY(-1px); text-decoration: none; color: var(--color-text); }
.result-thumb { width: 48px; height: 48px; object-fit: cover; border-radius: 6px; flex-shrink: 0; background: #f1f5f9; }
.result-thumb-placeholder { width: 48px; height: 48px; border-radius: 6px; background: #f1f5f9; flex-shrink: 0; }
.result-info { flex: 1; min-width: 0; }
.result-title { font-weight: 600; font-size: 0.95rem; }
.result-location { font-size: 0.8rem; color: var(--color-muted); margin-top: 0.15rem; }
.result-arrow { color: var(--color-muted); flex-shrink: 0; font-size: 1.2rem; }

.search-empty { width: 100%; max-width: 520px; text-align: center; color: var(--color-muted); padding: 2rem; }

/* ============================================================
   Public – Item detail
   ============================================================ */
.item-header { padding: 0.75rem 1rem; background: var(--color-surface); border-bottom: 1px solid var(--color-border); }
.back-link { font-size: 0.9rem; color: var(--color-muted); text-decoration: none; }
.back-link:hover { color: var(--color-text); }

.item-main { flex: 1; padding: 1.5rem 1rem; max-width: 640px; margin: 0 auto; width: 100%; }
.item-title { font-size: clamp(1.5rem, 5vw, 2rem); font-weight: 700; margin-bottom: 1rem; }

.item-location-box {
  display: flex; align-items: center; gap: 0.5rem; flex-wrap: wrap;
  background: var(--color-primary);
  color: #fff;
  padding: 0.75rem 1rem;
  border-radius: var(--radius);
  margin-bottom: 1.25rem;
  font-weight: 600;
}
.item-room { font-size: 1rem; }
.item-arrow { font-size: 1.2rem; opacity: 0.7; }
.item-location { font-size: 1.1rem; }

.item-photo { width: 100%; border-radius: var(--radius); margin-bottom: 1.25rem; border: 1px solid var(--color-border); }
.item-description { font-size: 0.95rem; line-height: 1.6; color: #334155; margin-bottom: 1.25rem; }
.item-manual { margin-top: 1rem; }

/* ============================================================
   Public – Static pages (Impressum, Datenschutz)
   ============================================================ */
.static-main { flex: 1; padding: 2rem 1rem; max-width: 640px; margin: 0 auto; width: 100%; }
.static-main h1 { font-size: 1.75rem; margin-bottom: 1.5rem; }
.static-main h2 { font-size: 1.1rem; margin-top: 1.5rem; margin-bottom: 0.5rem; }
.static-main p { margin-bottom: 0.75rem; color: #334155; }

/* ============================================================
   Footer (public)
   ============================================================ */
.public-footer { text-align: center; padding: 1.25rem; font-size: 0.75rem; color: #94a3b8; border-top: 1px solid var(--color-border); display: flex; justify-content: center; gap: 0.5rem; align-items: center; }
.public-footer a { color: #94a3b8; text-decoration: none; }
.public-footer a:hover { color: var(--color-muted); }

/* ============================================================
   Public – All items list & sort
   ============================================================ */
.all-items-header {
  width: 100%;
  max-width: 520px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.6rem;
  gap: 0.75rem;
  flex-wrap: wrap;
}
.all-items-count { font-size: 0.82rem; color: var(--color-muted); }
.sort-bar { display: flex; gap: 0.25rem; }
.sort-btn {
  padding: 0.22rem 0.55rem;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  background: var(--color-surface);
  font-size: 0.78rem;
  cursor: pointer;
  color: var(--color-muted);
  transition: background 0.15s, color 0.15s, border-color 0.15s;
  font-family: inherit;
}
.sort-btn:hover { border-color: var(--color-primary); color: var(--color-primary); }
.sort-btn.active { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }

/* ============================================================
   Admin – Saved summary banner (item_edit)
   ============================================================ */
.saved-summary { display: flex; align-items: baseline; gap: 0.5rem; flex-wrap: wrap; }
.saved-summary-loc { font-size: 0.85rem; opacity: 0.75; }

/* ============================================================
   Misc
   ============================================================ */
.empty-hint { color: var(--color-muted); padding: 1.5rem 0; font-size: 0.9rem; }

/* ============================================================
   Print
   ============================================================ */
@media print {
  .admin-header, .admin-footer, .admin-nav, .page-header .btn,
  .btn, .flash, form { display: none !important; }
}