:root {
  --bg-dark: #161515;
  --bg-card: #201E1D;
  --bg-card-hover: #2A2826;
  --accent-orange: #FF6100;
  --accent-orange-hover: #FF7B29;
  --text-main: #FFFFFF;
  --text-muted: #A39E9B;
  --border-color: #33302E;
  --border-radius-lg: 16px;
  --border-radius-md: 12px;
  --border-radius-sm: 8px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

html,
body {
  height: 100%;
  width: 100%;
  margin: 0;
  padding: 0;
  overflow: hidden;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background-color: var(--bg-dark);
  color: var(--text-main);
  line-height: 1.5;
}

h1 { font-size: 24px; font-weight: 700; margin-bottom: var(--spacing-md); }
h2 { font-size: 20px; font-weight: 600; margin-bottom: var(--spacing-sm); }
h3 { font-size: 16px; font-weight: 600; }
p { font-size: 14px; }
.text-small { font-size: 12px; color: var(--text-muted); }

.app-container {
  display: flex;
  flex-direction: column;
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  margin: 0 auto;
  background-color: var(--bg-dark);
  box-shadow: 0 0 20px rgba(0, 0, 0, 0.5);
  overflow: hidden;
}

.screen {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  padding: 0 var(--spacing-md);
  padding-bottom: 80px;
  display: none;
  animation: fadeIn 0.3s ease-in-out;
  scrollbar-width: none;
}
.screen::-webkit-scrollbar { display: none; }
.screen.active { display: block; }

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.screen-header {
  padding-top: 16px;
  padding-bottom: 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: sticky;
  top: 0;
  background-color: rgba(22, 21, 21, 0.9);
  backdrop-filter: blur(10px);
  z-index: 10;
}
.screen-header h1 { margin: 0; line-height: 1; }

.filter-scroll {
  display: flex;
  gap: var(--spacing-sm);
  overflow-x: auto;
  padding-bottom: var(--spacing-sm);
  scrollbar-width: none;
}
.filter-scroll::-webkit-scrollbar { display: none; }

.chip {
  padding: 8px 16px;
  border-radius: 20px;
  background-color: var(--bg-card);
  color: var(--text-muted);
  font-size: 14px;
  font-weight: 500;
  border: 1px solid var(--border-color);
  white-space: nowrap;
  cursor: pointer;
  transition: all 0.2s;
}
.chip.active { background-color: var(--accent-orange); color: #fff; border-color: var(--accent-orange); }

.timeline {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  margin-top: var(--spacing-md);
  position: relative;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 20px; top: 0; bottom: 0;
  width: 2px;
  background-color: var(--border-color);
  z-index: 0;
}

.log-card {
  background-color: var(--bg-card);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-md);
  border: 1px solid var(--border-color);
  display: flex;
  gap: var(--spacing-md);
  position: relative;
  z-index: 1;
  transition: transform 0.2s;
  cursor: pointer;
}
.log-card:active { transform: scale(0.98); }

.log-icon-box {
  width: 40px; height: 40px;
  border-radius: var(--border-radius-sm);
  background-color: rgba(255, 97, 0, 0.1);
  color: var(--accent-orange);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.log-content { flex: 1; }
.log-title { font-weight: 600; margin-bottom: 4px; font-size: 15px; }
.log-meta { color: var(--text-muted); font-size: 13px; margin-bottom: 8px; }
.log-note {
  font-size: 13px;
  color: #D1CDCB;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.log-indicators { display: flex; flex-direction: column; gap: 20px; color: var(--text-muted); }
.log-indicators span { font-size: 24px; padding: 12px; margin: -12px; cursor: pointer; }

.bottom-nav {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 70px;
  background-color: #1A1817;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: space-around;
  align-items: center;
  z-index: 100;
  padding-bottom: env(safe-area-inset-bottom);
}

.nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  color: var(--text-muted);
  text-decoration: none;
  font-size: 11px;
  gap: 4px;
  cursor: pointer;
  transition: color 0.2s;
  flex: 1;
}
.nav-item.active { color: var(--accent-orange); }
.nav-item span.material-symbols-outlined { font-size: 24px; font-weight: 300; }

.nav-add-btn {
  position: relative;
  top: -20px;
  width: 56px; height: 56px;
  background-color: var(--accent-orange);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  box-shadow: 0 4px 12px rgba(255, 97, 0, 0.4);
  cursor: pointer;
  z-index: 101;
  transition: transform 0.2s, background-color 0.2s;
}
.nav-add-btn:active { transform: scale(0.95); background-color: var(--accent-orange-hover); }
.nav-add-btn span { font-size: 32px; }

.overlay {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background-color: var(--bg-dark);
  z-index: 200;
  display: flex;
  flex-direction: column;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(100%);
  transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275), visibility 0.3s;
}
.overlay.open { visibility: visible; pointer-events: auto; transform: translateY(0); }

.overlay-header {
  padding: var(--spacing-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border-color);
  background-color: var(--bg-card);
}
.close-btn { background: none; border: none; color: var(--text-muted); font-size: 32px; padding: 16px; margin: -16px; cursor: pointer; }
.overlay-content { padding: var(--spacing-md); flex: 1; overflow-y: auto; }

.form-group { margin-bottom: var(--spacing-md); }
.empty-state { text-align: center; color: var(--text-muted); padding: var(--spacing-lg); }

@media (min-width: 768px) {
  .overlay-header, .screen-header { padding-top: var(--spacing-lg) !important; }
  .app-container { max-width: 1200px; }
  #screen-wiki.active {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto 1fr;
    gap: var(--spacing-lg);
    align-content: start;
  }
  #screen-wiki>.screen-header { grid-column: 1 / -1; margin-bottom: 0; }
  #screen-wiki>.setup-card { margin-bottom: 0; }
  .setup-grid { display: flex; flex-direction: column; gap: var(--spacing-md); margin-bottom: 0; }
  #btnSaveFahrwerk { grid-column: 1 / -1; }
}

.form-label { display: block; font-size: 13px; color: var(--text-muted); margin-bottom: var(--spacing-sm); font-weight: 500; }
.form-control {
  width: 100%;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 14px 16px;
  border-radius: var(--border-radius-md);
  font-size: 15px;
  font-family: inherit;
  transition: border-color 0.2s;
}
.form-control:focus { outline: none; border-color: var(--accent-orange); }
select.form-control {
  appearance: none;
  background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="%23A39E9B" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><polyline points="6 9 12 15 18 9"></polyline></svg>');
  background-repeat: no-repeat;
  background-position: right 12px center;
  background-size: 16px;
}
textarea.form-control { resize: vertical; min-height: 80px; }

.date-picker-compact {
  display: flex; align-items: center;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
  padding: 12px 16px; gap: 12px;
}
.date-picker-compact span.icon { color: var(--accent-orange); }
.date-picker-compact input[type="date"] { background: transparent; border: none; color: var(--text-main); font-size: 15px; font-family: inherit; flex: 1; color-scheme: dark; }
.date-picker-compact input[type="date"]:focus { outline: none; }

.upload-area {
  border: 2px dashed var(--border-color);
  border-radius: var(--border-radius-md);
  padding: var(--spacing-lg);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 8px; color: var(--text-muted); cursor: pointer;
  transition: background-color 0.2s, border-color 0.2s;
}
.upload-area:active { background-color: rgba(255, 255, 255, 0.05); border-color: var(--text-muted); }
.upload-area .material-symbols-outlined { font-size: 32px; color: var(--text-muted); }

.btn-primary {
  width: 100%; padding: 16px;
  background-color: var(--accent-orange); color: white; border: none;
  border-radius: var(--border-radius-lg); font-size: 16px; font-weight: 600;
  cursor: pointer; margin-top: var(--spacing-sm);
  box-shadow: 0 4px 12px rgba(255, 97, 0, 0.3);
  transition: transform 0.2s, background-color 0.2s;
}
.btn-primary:active { transform: scale(0.98); background-color: var(--accent-orange-hover); }

.setup-grid { display: flex; flex-direction: column; gap: var(--spacing-md); margin-bottom: var(--spacing-md); }
.setup-card { background-color: var(--bg-card); border: 1px solid var(--border-color); border-radius: var(--border-radius-lg); padding: var(--spacing-md); }
.setup-card-title { display: flex; align-items: center; gap: 8px; margin-bottom: var(--spacing-md); color: var(--accent-orange); font-weight: 600; }

.moto-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-md);
  cursor: pointer; transition: all 0.2s;
  display: flex; justify-content: space-between; align-items: center;
}
.moto-card.active { border-color: var(--accent-orange); background-color: rgba(255, 97, 0, 0.05); }
.moto-card:active { transform: scale(0.98); }
.moto-title { font-weight: 600; font-size: 16px; color: var(--text-main); margin-bottom: 2px; }
.moto-subtitle { font-size: 13px; color: var(--text-muted); }

.tabs { display: flex; background-color: rgba(0, 0, 0, 0.2); border-radius: 8px; padding: 4px; margin-bottom: var(--spacing-md); }
.tab { flex: 1; text-align: center; padding: 8px 0; font-size: 13px; font-weight: 500; color: var(--text-muted); cursor: pointer; border-radius: 6px; transition: all 0.2s; }
.tab.active { background-color: var(--bg-card); color: var(--text-main); box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2); }
.setup-tab-content { display: none; animation: fadeIn 0.2s ease-in-out; }
.setup-tab-content.active { display: block; }

.setup-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.setup-table th { text-align: left; color: var(--text-muted); font-weight: 500; padding-bottom: 8px; border-bottom: 1px solid var(--border-color); }
.setup-table td { padding: 10px 0; border-bottom: 1px solid var(--border-color); }
.setup-table tr:last-child td { border-bottom: none; }

.val-input { width: 50px; background: transparent; border: 1px solid var(--border-color); color: var(--accent-orange); border-radius: 4px; padding: 4px; text-align: center; font-weight: 600; }
.val-input:focus { outline: none; border-color: var(--accent-orange); }

.spec-row { display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px; font-size: 14px; }

@media (max-width: 767px) {
  .bottom-nav { position: fixed; bottom: 0; }
}