:root {
  /* Dark Mode Farben (Standard) */
  --bg: #111318;
  --bg-sidebar: #1C1F26;
  --bg-card: #1E2128;
  --bg-card-hover: #252930;
  --bg-surface: #252930;
  --bg-input: #2A2D36;

  --border: rgba(255,255,255,0.08);
  --border-medium: rgba(255,255,255,0.14);

  --text-primary: #F0F2F5;
  --text-secondary: #9AA0AD;
  --text-tertiary: #5C6370;

  --primary: #1DB87A;
  --primary-light: rgba(29,184,122,0.15);
  --primary-dark: #16A06A;

  --red: #FF453A;
  --red-bg: rgba(255,69,58,0.12);
  --red-text: #FF6B63;
  --red-border: rgba(255,69,58,0.4);

  --orange: #FF9F0A;
  --orange-bg: rgba(255,159,10,0.12);
  --orange-text: #FFB340;
  --orange-border: rgba(255,159,10,0.4);

  --green: #30D158;
  --green-bg: rgba(48,209,88,0.12);
  --green-text: #34C759;
  --green-border: rgba(48,209,88,0.4);

  --cat-visum-bg: rgba(29,184,122,0.15);
  --cat-visum-text: #1DB87A;
  --cat-fahrzeug-bg: rgba(10,132,255,0.15);
  --cat-fahrzeug-text: #4DA6FF;
  --cat-dokument-bg: rgba(255,159,10,0.15);
  --cat-dokument-text: #FFB340;
  --cat-versicherung-bg: rgba(255,55,95,0.15);
  --cat-versicherung-text: #FF6B8A;
  --cat-arbeit-bg: rgba(191,90,242,0.15);
  --cat-arbeit-text: #DA8FFF;
  --cat-ausreise-bg: rgba(100,210,255,0.15);
  --cat-ausreise-text: #64D2FF;

  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
}

/* Toast animation */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateX(-50%) translateY(10px); }
  to   { opacity: 1; transform: translateX(-50%) translateY(0); }
}

/* Light Mode */
body.light-mode {
  --bg: #F2F2F7;
  --bg-sidebar: #FFFFFF;
  --bg-card: #FFFFFF;
  --bg-card-hover: #F8F8FB;
  --bg-surface: #F2F2F7;
  --bg-input: #F2F2F7;
  --border: rgba(0,0,0,0.08);
  --border-medium: rgba(0,0,0,0.14);
  --text-primary: #1C1C1E;
  --text-secondary: #636366;
  --text-tertiary: #AEAEB2;
  --primary: #1A9E6A;
  --primary-light: rgba(29,184,122,0.1);
  --red-bg: rgba(255,69,58,0.08);
  --orange-bg: rgba(255,159,10,0.08);
  --green-bg: rgba(48,209,88,0.08);
}

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

body {
  background-color: var(--bg);
  color: var(--text-primary);
  font-size: 15px;
  font-weight: 400;
  line-height: 1.5;
  min-height: 100vh;
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }

button {
  font-family: inherit;
  border: none;
  background: none;
  cursor: pointer;
  color: inherit;
}

input, select, textarea {
  font-family: inherit;
  font-size: 15px;
  padding: 10px 14px;
  border: 1px solid var(--border-medium);
  border-radius: 10px;
  width: 100%;
  background: var(--bg-input);
  color: var(--text-primary);
  outline: none;
  transition: border-color 0.15s;
}
input:focus, select:focus, textarea:focus {
  border-color: var(--primary);
}
select option { background: var(--bg-card); }

/* === BUTTONS === */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  font-size: 14px;
  font-weight: 500;
  padding: 9px 18px;
  border-radius: 10px;
  transition: opacity 0.15s, background 0.15s;
  white-space: nowrap;
}
.btn:hover { opacity: 0.85; }

.btn.primary {
  background-color: var(--primary);
  color: #fff;
}
.btn.secondary {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-medium);
  color: var(--text-primary);
}
.btn.danger {
  background-color: var(--red-bg);
  color: var(--red-text);
}
.btn.large { padding: 11px 22px; font-size: 15px; }
.btn.icon-only { padding: 8px; border-radius: 8px; }

/* === LAYOUT === */
.app-shell {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* === TOPBAR === */
.topbar {
  height: 52px;
  background-color: var(--bg-sidebar);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  position: sticky;
  top: 0;
  z-index: 200;
  gap: 16px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.brand-logo {
  width: 30px;
  height: 30px;
  background: var(--primary-light);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
}

.brand-text {
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -0.3px;
}

.statusbar {
  flex: 1;
  text-align: center;
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.3;
}
.statusbar .status-open { color: var(--green); font-weight: 500; }
.statusbar .status-closed { color: var(--red-text); font-weight: 500; }

.status-dot {
  display: inline-block;
  width: 7px; height: 7px;
  border-radius: 50%;
  margin-right: 4px;
}
.status-dot.open { background: var(--green); }
.status-dot.closed { background: var(--red); }

.topbar-right {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.mode-toggle {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 6px 10px;
  font-size: 13px;
  color: var(--text-secondary);
  cursor: pointer;
}
.mode-toggle:hover { color: var(--text-primary); }

.avatar {
  width: 30px; height: 30px;
  border-radius: 50%;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 12px;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* === MAIN LAYOUT === */
.main-container {
  display: flex;
  flex: 1;
}

/* === SIDEBAR === */
.sidebar {
  width: 230px;
  min-width: 230px;
  background: var(--bg-sidebar);
  border-right: 1px solid var(--border);
  padding: 16px 8px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  position: sticky;
  top: 52px;
  height: calc(100vh - 52px);
  overflow-y: auto;
}

.sidebar-section {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--text-tertiary);
  font-weight: 600;
  padding: 12px 10px 6px;
}

.sidebar-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 10px;
  font-size: 14px;
  font-weight: 400;
  border-radius: 9px;
  cursor: pointer;
  color: var(--text-secondary);
  transition: background 0.1s, color 0.1s;
  user-select: none;
}
.sidebar-item:hover {
  background: var(--bg-surface);
  color: var(--text-primary);
}
.sidebar-item.active {
  background: var(--primary-light);
  color: var(--primary);
  font-weight: 500;
}

.sidebar-badge {
  margin-left: auto;
  min-width: 20px;
  height: 20px;
  border-radius: 10px;
  padding: 0 6px;
  font-size: 11px;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-surface);
  color: var(--text-secondary);
}
.sidebar-badge.red { background: var(--red); color: #fff; }
.sidebar-badge.orange { background: var(--orange); color: #000; }
.sidebar-badge.green { background: var(--green); color: #000; }

/* === CONTENT === */
.content {
  flex: 1;
  padding: 28px 28px 100px;
  min-width: 0;
}

/* === PAGE HEADER === */
.page-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 24px;
  gap: 16px;
}

.page-header h1 {
  font-size: 26px;
  font-weight: 700;
  letter-spacing: -0.5px;
}
.page-header p {
  color: var(--text-secondary);
  font-size: 14px;
  margin-top: 4px;
}

/* === STAT ROW === */
.stat-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  margin-bottom: 20px;
}

.stat-tile {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
}

.stat-label {
  font-size: 12px;
  color: var(--text-secondary);
  margin-bottom: 8px;
  line-height: 1.3;
}

.stat-value {
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.5px;
}
.stat-value.red { color: var(--red-text); }
.stat-value.orange { color: var(--orange-text); }
.stat-value.green { color: var(--green-text); }

/* === ALERT === */
.alert-banner {
  background: var(--red-bg);
  border: 1px solid var(--red-border);
  border-radius: 12px;
  padding: 12px 16px;
  color: var(--red-text);
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 20px;
  font-size: 14px;
}

.alert-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--red);
  flex-shrink: 0;
  margin-top: 4px;
}

/* === FILTER CHIPS === */
.filter-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}

.filter-chip {
  font-size: 13px;
  font-weight: 500;
  padding: 6px 16px;
  border-radius: 20px;
  background: var(--bg-card);
  border: 1px solid var(--border-medium);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.12s;
}
.filter-chip:hover {
  border-color: var(--primary);
  color: var(--text-primary);
}
.filter-chip.active {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

/* === SECTION TITLE === */
.section-title {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  margin: 24px 0 12px;
  letter-spacing: 0.01em;
}

/* === CARDS GRID === */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 12px;
}

/* === TERMIN CARD === */
.term-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 18px;
  border-left: 3px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 0;
  transition: background 0.12s;
}
.term-card:hover { background: var(--bg-card-hover); }
.term-card.red { border-left-color: var(--red); }
.term-card.orange { border-left-color: var(--orange); }
.term-card.green { border-left-color: var(--green); }

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}

.cat-badge {
  font-size: 11px;
  font-weight: 700;
  padding: 3px 9px;
  border-radius: 6px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.cat-badge.visum { background: var(--cat-visum-bg); color: var(--cat-visum-text); }
.cat-badge.ausreise { background: var(--cat-ausreise-bg); color: var(--cat-ausreise-text); }
.cat-badge.fahrzeug { background: var(--cat-fahrzeug-bg); color: var(--cat-fahrzeug-text); }
.cat-badge.dokument, .cat-badge.sonstige { background: var(--cat-dokument-bg); color: var(--cat-dokument-text); }
.cat-badge.versicherung { background: var(--cat-versicherung-bg); color: var(--cat-versicherung-text); }
.cat-badge.arbeit { background: var(--cat-arbeit-bg); color: var(--cat-arbeit-text); }

.days-badge {
  font-size: 13px;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 20px;
}
.days-badge.red { background: var(--red-bg); color: var(--red-text); }
.days-badge.orange { background: var(--orange-bg); color: var(--orange-text); }
.days-badge.green { background: var(--green-bg); color: var(--green-text); }

.card-title {
  font-size: 17px;
  font-weight: 600;
  letter-spacing: -0.2px;
  margin-bottom: 4px;
}
.card-due {
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 8px;
}
.card-note {
  font-size: 13px;
  color: var(--text-tertiary);
  line-height: 1.5;
  margin-top: 8px;
  padding-top: 10px;
  border-top: 1px solid var(--border);
}

.card-detail-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  color: var(--text-secondary);
  padding: 4px 0;
  gap: 8px;
}

.card-actions {
  display: flex;
  gap: 8px;
  margin-top: 14px;
}
.card-actions .btn {
  flex: 1;
  font-size: 13px;
  padding: 8px 12px;
}

/* === AUTH PAGE === */
.auth-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background: var(--bg);
}

.auth-box {
  width: 100%;
  max-width: 400px;
  background: var(--bg-card);
  border: 1px solid var(--border-medium);
  border-radius: 18px;
  padding: 32px 28px;
}

.auth-logo {
  text-align: center;
  margin-bottom: 28px;
}
.auth-logo-icon {
  width: 52px; height: 52px;
  background: var(--primary-light);
  border-radius: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  margin-bottom: 12px;
}
.auth-logo h2 {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.3px;
}
.auth-logo p {
  font-size: 13px;
  color: var(--text-secondary);
  margin-top: 4px;
}

/* === FORM === */
.form-panel {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 22px;
  max-width: 640px;
}

.form-field {
  margin-bottom: 16px;
}
.form-field label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 6px;
}
.form-field small {
  display: block;
  font-size: 12px;
  color: var(--text-tertiary);
  margin-top: 4px;
}

.form-actions {
  display: flex;
  gap: 10px;
  margin-top: 20px;
}

/* === CATEGORY CHOOSER === */
.cat-chooser-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 10px;
  max-width: 860px;
}

.cat-tile {
  padding: 14px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  transition: border-color 0.12s, background 0.12s;
}
.cat-tile:hover {
  border-color: var(--primary);
  background: var(--primary-light);
}

/* === ADMIN TABLE === */
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}
.data-table th {
  text-align: left;
  padding: 10px 14px;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-tertiary);
  border-bottom: 1px solid var(--border);
}
.data-table td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
  color: var(--text-secondary);
}
.data-table tr:last-child td { border-bottom: none; }
.data-table tr:hover td { background: var(--bg-surface); }
.data-table td:first-child { color: var(--text-primary); font-weight: 500; }

.table-panel {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  overflow: hidden;
  margin-top: 16px;
}

.role-badge {
  font-size: 11px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 6px;
  text-transform: uppercase;
}
.role-badge.admin { background: var(--primary-light); color: var(--primary); }
.role-badge.nutzer { background: var(--bg-surface); color: var(--text-tertiary); }

/* === MOBILE NAV === */
.bottom-nav {
  display: none;
}

/* === EMPTY STATE === */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-tertiary);
}
.empty-state h3 { font-size: 18px; color: var(--text-secondary); margin-bottom: 8px; }
.empty-state p { font-size: 14px; }

/* === RESPONSIVE === */
@media (max-width: 900px) {
  .stat-row { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 700px) {
  .sidebar { display: none; }

  .content { padding: 16px 16px 90px; }

  .page-header h1 { font-size: 20px; }

  .stat-row { grid-template-columns: repeat(2, 1fr); }

  .bottom-nav {
    display: flex;
    justify-content: space-around;
    align-items: center;
    position: fixed;
    bottom: 0; left: 0; right: 0;
    height: 60px;
    background: var(--bg-sidebar);
    border-top: 1px solid var(--border);
    z-index: 200;
  }

  .bottom-nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 3px;
    font-size: 11px;
    color: var(--text-tertiary);
    padding: 8px 16px;
    cursor: pointer;
  }
  .bottom-nav-item.active { color: var(--primary); }

  .cat-chooser-grid { grid-template-columns: 1fr; }
}

.hidden { display: none !important; }

/* === LOADING === */
.loading-screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
  color: var(--text-tertiary);
  font-size: 14px;
  flex-direction: column;
  gap: 12px;
}
.spinner {
  width: 28px; height: 28px;
  border: 3px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }