/* ================================================================
   CdF-Leihsystem – Hauptstylesheet
   Design-Farben werden über CSS-Variablen gesteuert (admin/settings)
   ================================================================ */

/* ── Reset & Basis ─────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { overflow-x: hidden; }  /* Kein horizontales Scrollen */

:root {
  --primary:     #2563eb;
  --secondary:   #10b981;
  --accent:      #f59e0b;
  --bg:          #f0f4f8;
  --text:        #1e293b;
  --header-bg:   #1e293b;
  --header-text: #ffffff;
  --radius:      10px;
  --font:        'Inter', system-ui, sans-serif;
  --shadow-sm:   0 1px 3px rgba(0,0,0,.08);
  --shadow:      0 4px 16px rgba(0,0,0,.1);
  --shadow-lg:   0 8px 32px rgba(0,0,0,.14);
  --transition:  .2s ease;
  --card-bg:     #ffffff;
  --border:      #e2e8f0;
  --muted:       #64748b;
  --danger:      #ef4444;
  --success-bg:  #d1fae5;
  --success-fg:  #065f46;
  --error-bg:    #fee2e2;
  --error-fg:    #991b1b;
  --warning-bg:  #fef3c7;
  --warning-fg:  #92400e;
  --info-bg:     #dbeafe;
  --info-fg:     #1e40af;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; display: block; }

/* ── Container ─────────────────────────────────────────────────── */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* ── Header ────────────────────────────────────────────────────── */
.site-header {
  background: var(--header-bg);
  color: var(--header-text);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  gap: 1rem;
}

.site-logo {
  display: flex;
  align-items: center;
  gap: .6rem;
  color: var(--header-text);
  text-decoration: none;
  flex-shrink: 0;
}
.logo-icon { font-size: 1.6rem; }
.logo-name  { display: block; font-size: 1.1rem; font-weight: 700; line-height: 1.2; }
.logo-tagline { display: block; font-size: .7rem; opacity: .7; font-weight: 400; }

.site-nav { display: flex; align-items: center; gap: .25rem; }

.nav-link {
  color: rgba(255,255,255,.85);
  padding: .4rem .8rem;
  border-radius: calc(var(--radius) - 4px);
  font-size: .9rem;
  font-weight: 500;
  transition: background var(--transition), color var(--transition);
  white-space: nowrap;
}
.nav-link:hover { background: rgba(255,255,255,.15); color: #fff; text-decoration: none; }
.nav-register { background: var(--primary); color: #fff !important; }
.nav-register:hover { background: #1d4ed8; }
.nav-admin { background: var(--accent); color: #1e293b !important; }
.nav-admin:hover { background: #d97706; }
.nav-logout { color: rgba(255,150,150,.9) !important; }
.nav-logout:hover { background: rgba(239,68,68,.2); color: #fca5a5 !important; }

.mobile-menu-btn {
  display: none;
  background: none;
  border: 1.5px solid rgba(255,255,255,.3);
  color: var(--header-text);
  padding: .4rem .7rem;
  border-radius: 8px;
  cursor: pointer;
  font-size: 1.1rem;
  line-height: 1;
}

/* ── Main ──────────────────────────────────────────────────────── */
.site-main { flex: 1; padding: 2rem 0 3rem; }

/* ── Footer ────────────────────────────────────────────────────── */
.site-footer {
  background: var(--header-bg);
  color: rgba(255,255,255,.6);
  padding: 1rem 0;
  text-align: center;
  font-size: .85rem;
}

/* ── Alerts ────────────────────────────────────────────────────── */
.alert {
  padding: .85rem 1.1rem;
  border-radius: var(--radius);
  margin-bottom: 1.25rem;
  font-size: .9rem;
  border-left: 4px solid transparent;
}
.alert-success { background: var(--success-bg); color: var(--success-fg); border-color: #10b981; }
.alert-error   { background: var(--error-bg);   color: var(--error-fg);   border-color: #ef4444; }
.alert-warning { background: var(--warning-bg); color: var(--warning-fg); border-color: #f59e0b; }
.alert-info    { background: var(--info-bg);    color: var(--info-fg);    border-color: #2563eb; }

/* ── Cards ─────────────────────────────────────────────────────── */
.card {
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.card-body   { padding: 1.5rem; }
.card-footer { padding: 1rem 1.5rem; border-top: 1px solid var(--border); background: #f8fafc; }

/* ── Artikel-Grid ──────────────────────────────────────────────── */
.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1.5rem;
}
.page-title { font-size: 1.6rem; font-weight: 700; }

.filter-bar {
  display: flex;
  gap: .6rem;
  flex-wrap: wrap;
  margin-bottom: 1.75rem;
}
.filter-btn {
  padding: .4rem 1rem;
  border-radius: 100px;
  border: 1.5px solid var(--border);
  background: var(--card-bg);
  cursor: pointer;
  font-size: .875rem;
  font-weight: 500;
  color: var(--muted);
  transition: all var(--transition);
}
.filter-btn:hover, .filter-btn.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

.items-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr); /* default; overridden by inline <style> from PHP */
  gap: 1.25rem;
}

.item-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  border: 1.5px solid var(--border);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition), box-shadow var(--transition);
}
.item-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); }

.item-card-img {
  width: 100%;
  height: 160px;
  object-fit: cover;
  background: #f1f5f9;
}
.item-card-img-placeholder {
  width: 100%;
  height: 160px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  background: linear-gradient(135deg, #e0f2fe, #bfdbfe);
}

.item-card-body { padding: 1.1rem; flex: 1; }
.item-card-name { font-size: 1rem; font-weight: 600; margin-bottom: .4rem; }
.item-card-category { font-size: .8rem; color: var(--muted); margin-bottom: .5rem; }

.item-card-footer {
  padding: .85rem 1.1rem;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: .4rem;
  background: #fafbfc;
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: .25rem .65rem;
  border-radius: 100px;
  font-size: .78rem;
  font-weight: 600;
}
.badge-available { background: #d1fae5; color: #065f46; }
.badge-booked    { background: #fee2e2; color: #991b1b; }
.badge-pending   { background: #fef3c7; color: #92400e; }

/* ── Buttons ───────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .4rem;
  padding: .55rem 1.2rem;
  border-radius: calc(var(--radius) - 2px);
  font-size: .9rem;
  font-weight: 600;
  border: 2px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: all var(--transition);
  white-space: nowrap;
  line-height: 1.4;
}
.btn:hover { text-decoration: none; opacity: .9; }
.btn-primary  { background: var(--primary);   color: #fff; border-color: var(--primary); }
.btn-primary:hover  { background: #1d4ed8; border-color: #1d4ed8; }
.btn-secondary{ background: var(--secondary); color: #fff; border-color: var(--secondary); }
.btn-accent   { background: var(--accent);    color: #1e293b; border-color: var(--accent); }
.btn-danger   { background: var(--danger);    color: #fff; border-color: var(--danger); }
.btn-danger:hover { background: #dc2626; }
.btn-outline  { background: transparent; color: var(--primary); border-color: var(--primary); }
.btn-outline:hover { background: var(--primary); color: #fff; }
.btn-ghost    { background: transparent; color: var(--muted); border-color: var(--border); }
.btn-ghost:hover { background: var(--border); }
.btn-sm       { padding: .3rem .7rem; font-size: .8rem; }
.btn-lg       { padding: .75rem 1.75rem; font-size: 1rem; }
.btn-block    { display: flex; width: 100%; }

/* ── Formulare ─────────────────────────────────────────────────── */
.form-group { margin-bottom: 1.1rem; }
.form-label {
  display: block;
  font-size: .875rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: .35rem;
}
.form-label .required { color: var(--danger); margin-left: 2px; }

.form-control {
  width: 100%;
  padding: .6rem .9rem;
  border: 1.5px solid var(--border);
  border-radius: calc(var(--radius) - 2px);
  font-size: .95rem;
  font-family: var(--font);
  color: var(--text);
  background: #fff;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.form-control:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37,99,235,.12);
}
.form-control::placeholder { color: #a0aec0; }
.form-control.is-invalid { border-color: var(--danger); }

select.form-control { appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%2364748b' stroke-width='2' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right .9rem center; padding-right: 2.5rem; }

textarea.form-control { resize: vertical; min-height: 90px; }

.form-text { font-size: .8rem; color: var(--muted); margin-top: .3rem; }
.form-error { font-size: .8rem; color: var(--danger); margin-top: .3rem; }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }

.form-check { display: flex; align-items: center; gap: .5rem; margin-bottom: .5rem; }
.form-check-input { width: 1.1rem; height: 1.1rem; cursor: pointer; accent-color: var(--primary); }
.form-check-label { font-size: .9rem; cursor: pointer; }

/* ── Auth-Seiten ───────────────────────────────────────────────── */
.auth-wrap {
  min-height: 70vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem 0;
}
.auth-card {
  background: var(--card-bg);
  border-radius: calc(var(--radius) + 4px);
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 480px;
  overflow: hidden;
}
.auth-card-header {
  background: var(--primary);
  color: #fff;
  padding: 2rem;
  text-align: center;
}
.auth-card-header h1 { font-size: 1.5rem; margin-bottom: .25rem; }
.auth-card-header p  { opacity: .8; font-size: .9rem; }
.auth-card-body { padding: 2rem; }
.auth-links { text-align: center; margin-top: 1.5rem; font-size: .875rem; color: var(--muted); }
.auth-links a { color: var(--primary); font-weight: 600; }

/* ── CAPTCHA ───────────────────────────────────────────────────── */
.captcha-box {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: .75rem 1rem;
  background: #f8fafc;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 1rem;
}
.captcha-question { font-size: 1.1rem; font-weight: 700; color: var(--text); flex: 1; }
.captcha-input { width: 90px; text-align: center; font-size: 1.1rem; font-weight: 700; }

/* ── Artikel-Detail & Kalender ─────────────────────────────────── */
.item-detail { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; align-items: start; }
.item-detail-img {
  border-radius: var(--radius);
  overflow: hidden;
  background: linear-gradient(135deg, #e0f2fe, #bfdbfe);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 5rem;
  min-height: 240px;
}
.item-detail-img img { width: 100%; height: 100%; object-fit: cover; }
.item-detail-title { font-size: 1.75rem; font-weight: 700; margin-bottom: .5rem; }
.item-detail-category { color: var(--muted); margin-bottom: 1rem; }
.item-detail-desc { color: var(--text); margin-bottom: 1.5rem; line-height: 1.7; }

/* Buchungskalender */
.booking-calendar { margin-bottom: 1.5rem; }
.calendar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: .75rem;
}
.calendar-month { font-weight: 700; font-size: 1rem; }
.calendar-nav { background: none; border: 1.5px solid var(--border); border-radius: 8px; width: 32px; height: 32px; cursor: pointer; font-size: .9rem; display: flex; align-items: center; justify-content: center; }
.calendar-grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 2px; }
.calendar-day-name { text-align: center; font-size: .7rem; font-weight: 700; color: var(--muted); padding: .3rem 0; }
.cal-day {
  text-align: center;
  padding: .35rem .1rem;
  border-radius: 6px;
  font-size: .8rem;
  cursor: default;
}
.cal-day.empty { }
.cal-day.past      { color: #cbd5e1; }
.cal-day.booked    { background: #fee2e2; color: #991b1b; font-weight: 600; }
.cal-day.today     { background: var(--primary); color: #fff; font-weight: 700; }
.cal-day.available { cursor: pointer; }
.cal-day.available:hover { background: #dbeafe; color: var(--primary); font-weight: 600; }
.cal-day.selected  { background: var(--secondary); color: #fff; font-weight: 700; }

/* ── Buchungs-Verlauf ──────────────────────────────────────────── */
.history-list { list-style: none; }
.history-item {
  padding: .75rem 0;
  border-bottom: 1px solid var(--border);
  font-size: .88rem;
  display: flex;
  align-items: flex-start;
  gap: .75rem;
}
.history-item:last-child { border-bottom: none; }
.history-icon { font-size: 1.1rem; flex-shrink: 0; margin-top: .1rem; }

/* ── Tabellen ──────────────────────────────────────────────────── */
.table-wrap { overflow-x: auto; border-radius: var(--radius); box-shadow: var(--shadow-sm); }
table.data-table { width: 100%; border-collapse: collapse; background: var(--card-bg); font-size: .9rem; }
.data-table thead { background: var(--header-bg); color: #fff; }
.data-table th { padding: .75rem 1rem; text-align: left; font-weight: 600; white-space: nowrap; }
.data-table td { padding: .7rem 1rem; border-bottom: 1px solid var(--border); vertical-align: middle; }
.data-table tbody tr:hover { background: #f8fafc; }
.data-table tbody tr:last-child td { border-bottom: none; }

/* Status-Badges */
.status-pending   { background: #fef3c7; color: #92400e; padding: .2rem .6rem; border-radius: 100px; font-size: .78rem; font-weight: 600; }
.status-confirmed { background: #d1fae5; color: #065f46; padding: .2rem .6rem; border-radius: 100px; font-size: .78rem; font-weight: 600; }
.status-returned  { background: #e2e8f0; color: #475569; padding: .2rem .6rem; border-radius: 100px; font-size: .78rem; font-weight: 600; }
.status-cancelled { background: #fee2e2; color: #991b1b; padding: .2rem .6rem; border-radius: 100px; font-size: .78rem; font-weight: 600; }

/* ── Admin ─────────────────────────────────────────────────────── */
.admin-wrap { display: grid; grid-template-columns: 240px 1fr; gap: 1.5rem; align-items: start; }

.admin-sidebar {
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  padding: 1rem;
  position: sticky;
  top: 80px;
}

/* Toggle-Button: nur auf Desktop versteckt */
.admin-sidebar-toggle { display: none; }

/* Nav-Inhalt: auf Desktop immer sichtbar */
.admin-sidebar-nav { display: block; }

.admin-sidebar-heading {
  font-size: .78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--muted);
  padding: .5rem .5rem .25rem;
}
.admin-sidebar-sep {
  border-top: 1px solid var(--border);
  margin: .75rem 0;
}
.admin-nav-link {
  display: flex;
  align-items: center;
  gap: .6rem;
  padding: .55rem .75rem;
  border-radius: calc(var(--radius) - 4px);
  color: var(--text);
  font-size: .9rem;
  font-weight: 500;
  transition: background var(--transition), color var(--transition);
  margin-bottom: .15rem;
}
.admin-nav-link:hover, .admin-nav-link.active { background: var(--primary); color: #fff; text-decoration: none; }
.admin-nav-logout { color: var(--danger) !important; }
.admin-nav-logout:hover { background: rgba(239,68,68,.1); color: var(--danger) !important; }

.admin-content { min-width: 0; }

.stats-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 1rem; margin-bottom: 2rem; }
.stat-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  padding: 1.25rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}
.stat-icon { font-size: 2rem; }
.stat-value { font-size: 1.6rem; font-weight: 700; line-height: 1; }
.stat-label { font-size: .8rem; color: var(--muted); }

/* Farb-Picker */
.color-picker-wrap { display: flex; align-items: center; gap: .6rem; }
.color-picker-wrap input[type="color"] { width: 40px; height: 40px; border: none; border-radius: 8px; cursor: pointer; padding: 2px; }
.color-picker-wrap input[type="text"] { flex: 1; font-family: monospace; }

/* ── Profil ────────────────────────────────────────────────────── */
.profile-grid { display: grid; grid-template-columns: 280px 1fr; gap: 2rem; align-items: start; }
.profile-sidebar {
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  padding: 2rem;
  text-align: center;
}
.profile-avatar {
  width: 80px; height: 80px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  font-size: 2rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1rem;
}
.profile-name  { font-size: 1.1rem; font-weight: 700; }
.profile-email { color: var(--muted); font-size: .875rem; }
.profile-badge { margin: .75rem auto 0; }

/* ── Pagination ────────────────────────────────────────────────── */
.pagination {
  margin-top: 1.75rem;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: .4rem;
}
.page-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  height: 44px;
  padding: 0 .9rem;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  background: #fff;
  color: var(--text);
  font-size: .9rem;
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  white-space: nowrap;
}
.page-btn:hover { background: #f1f5f9; text-decoration: none; color: var(--text); }
.page-btn-active { background: var(--primary) !important; border-color: var(--primary) !important; color: #fff !important; }
.page-btn-active:hover { background: var(--primary) !important; color: #fff !important; }
.page-btn-disabled { opacity: .4; cursor: default; pointer-events: none; background: #f8fafc; }

/* ── Sonstige ──────────────────────────────────────────────────── */
.section-title {
  font-size: .78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--muted);
  border-bottom: 1px solid var(--border);
  padding-bottom: .5rem;
  margin: 1.5rem 0 1rem;
}
.empty-state {
  text-align: center;
  padding: 4rem 1rem;
  color: var(--muted);
}
.empty-state .icon { font-size: 3.5rem; margin-bottom: 1rem; }
.empty-state p { font-size: 1.05rem; }

.tab-bar {
  display: flex;
  flex-wrap: wrap;
  gap: .15rem;
  border-bottom: 2px solid var(--border);
  margin-bottom: 1.5rem;
}
.tab-btn {
  padding: .6rem 1.1rem;
  border: none;
  background: none;
  cursor: pointer;
  font-size: .9rem;
  font-weight: 500;
  color: var(--muted);
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  transition: all var(--transition);
  white-space: nowrap;
}
.tab-btn.active, .tab-btn:hover { color: var(--primary); border-color: var(--primary); }

@media (max-width: 640px) {
  .tab-bar { gap: 0; border-bottom: none; background: var(--bg); border-radius: var(--radius); padding: .35rem; margin-bottom: 1rem; }
  .tab-btn {
    flex: 1 1 auto;
    text-align: center;
    font-size: .78rem;
    padding: .45rem .4rem;
    border-radius: calc(var(--radius) - 4px);
    border-bottom: none;
    margin-bottom: 0;
  }
  .tab-btn.active { background: #fff; color: var(--primary); box-shadow: var(--shadow-sm); }
}

/* ── Responsive ────────────────────────────────────────────────── */
@media (max-width: 900px) {
  .item-detail  { grid-template-columns: 1fr; }
  .profile-grid { grid-template-columns: 1fr; }

  /* Admin: Sidebar wird Accordion oben */
  .admin-wrap {
    grid-template-columns: 1fr;
    gap: 0;
  }
  .admin-sidebar {
    position: static;
    border-radius: var(--radius) var(--radius) 0 0;
    padding: 0;
    box-shadow: var(--shadow-sm);
    margin-bottom: 0;
    overflow: hidden;
  }
  .admin-sidebar-toggle {
    display: flex;
    align-items: center;
    gap: .6rem;
    width: 100%;
    padding: .75rem 1rem;
    background: var(--card-bg);
    border: none;
    border-bottom: 1px solid var(--border);
    font-size: .92rem;
    font-weight: 600;
    color: var(--text);
    cursor: pointer;
    text-align: left;
  }
  .admin-sidebar-toggle:hover { background: #f8fafc; }
  .admin-sidebar-toggle .toggle-icon { font-size: 1rem; }
  .admin-sidebar-nav {
    display: none;           /* standardmäßig eingeklappt auf Mobile */
    padding: .5rem .75rem .75rem;
    background: var(--card-bg);
    border-bottom: 2px solid var(--border);
  }
  .admin-sidebar-nav.open { display: block; }
  .admin-sidebar-heading { display: none; }
  .admin-sidebar-sep { margin: .5rem 0; }
  .admin-nav-link { font-size: .88rem; padding: .55rem .75rem; }
  .admin-content {
    padding-top: 1.25rem;
  }
}

@media (max-width: 640px) {
  .mobile-menu-btn { display: flex; }
  .site-nav {
    display: none;
    position: absolute;
    top: 64px;
    left: 0; right: 0;
    background: var(--header-bg);
    flex-direction: column;
    padding: 1rem;
    gap: .25rem;
    box-shadow: 0 8px 24px rgba(0,0,0,.2);
    z-index: 99;
  }
  .site-nav.open { display: flex; }
  .nav-link { width: 100%; border-radius: 8px; }
  .form-row { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .page-title { font-size: 1.2rem; }
  .page-header { flex-direction: column; align-items: flex-start; gap: .5rem; }
}

/* ── Admin-Verbesserungen ──────────────────────────────────────── */

/* Sidebar auf großen Screens schmaler */
@media (min-width: 901px) {
  .admin-wrap { grid-template-columns: 210px 1fr; }
}

/* Tabellen: kein horizontales Scrollen wenn vermeidbar */
.data-table th, .data-table td { white-space: normal; word-break: break-word; }
.data-table th { font-size: .8rem; letter-spacing: .03em; }

/* Stat-Cards kompakter */
.stat-card { padding: 1rem; gap: .75rem; }
.stat-icon { font-size: 1.6rem; }
.stat-value { font-size: 1.35rem; }

/* Admin-Nav aktiver Link */
.admin-nav-link.active { background: var(--primary); color: #fff; }

/* Settings-Tabs */
.tab-btn { border-radius: 8px 8px 0 0; }

/* Formular in Admin */
.admin-content .form-row { gap: .85rem; }

/* Scrollbare Tabellen */
.table-wrap { border-radius: var(--radius); overflow-x: auto; -webkit-overflow-scrolling: touch; }
.table-wrap table { min-width: 480px; }

/* Kompakte Buttons in Tabellen */
.data-table .btn { padding: .25rem .55rem; font-size: .78rem; }

/* User-Card-Grid responsive */
@media (max-width: 700px) {
  .user-cards { grid-template-columns: 1fr; }
}

/* Kein horizontales Overflow */
html, body, main { overflow-x: hidden; }
.admin-wrap, .admin-content, .admin-sidebar { max-width: 100%; }

/* ── Wartungs-Karten ───────────────────────────────────────────── */
.cache-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  background: var(--card-bg);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  padding: 1.1rem 1.25rem;
}
.cache-card-primary {
  border-color: var(--primary);
  background: #eff6ff;
}
.cache-card-icon { font-size: 2rem; flex-shrink: 0; }
.cache-card-body { flex: 1; min-width: 0; }
.cache-card-body strong { display: block; font-size: .95rem; margin-bottom: .2rem; }
.cache-card-body p { font-size: .83rem; color: var(--muted); margin-bottom: .4rem; line-height: 1.4; }
.cache-card-body code { font-size: .78rem; background: #f1f5f9; padding: 1px 5px; border-radius: 4px; }
.cache-card form { flex-shrink: 0; }

@media (max-width: 640px) {
  .cache-card { flex-direction: column; align-items: flex-start; gap: .75rem; }
  .cache-card form { width: 100%; }
  .cache-card form .btn { width: 100%; }
}