:root {
  --bg: #000000;
  --bg-card: #0d0d0d;
  --text: #ffffff;
  --text-muted: #b0b0b0;
  --gradient: linear-gradient(90deg, #00b4ff, #00e676);
  --accent-blue: #00b4ff;
  --accent-green: #00e676;
  --border: rgba(255, 255, 255, 0.15);
  --radius: 10px;
  --font-display: "Exo 2", "Segoe UI", sans-serif;
  --font-body: "Segoe UI", system-ui, sans-serif;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  min-height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.6;
}

a {
  color: var(--accent-blue);
  text-decoration: none;
}

a:hover {
  color: var(--accent-green);
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 2rem;
  border-bottom: 1px solid var(--border);
}

.site-logo {
  height: 48px;
  width: auto;
}

.site-nav {
  display: flex;
  gap: 1.5rem;
  align-items: center;
}

.site-nav a {
  color: var(--text);
  font-weight: 600;
  letter-spacing: 0.02em;
}

.site-nav a:hover:not(.btn) {
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.btn-nav {
  padding: 0.5rem 1rem;
  font-size: 0.9rem;
  font-style: normal;
}

.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 2rem 1.5rem 4rem;
}

h1,
h2,
h3 {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 700;
}

.gradient-text {
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}

.notice {
  border-left: 3px solid var(--accent-green);
  padding-left: 1rem;
  color: var(--text-muted);
  margin: 1rem 0;
}

.alert {
  border-radius: var(--radius);
  padding: 0.75rem 1rem;
  margin-bottom: 1rem;
}

.alert-success {
  background: rgba(0, 230, 118, 0.12);
  border: 1px solid rgba(0, 230, 118, 0.35);
  color: #b9f6ca;
}

.alert-error {
  background: rgba(255, 82, 82, 0.12);
  border: 1px solid rgba(255, 82, 82, 0.35);
  color: #ffcdd2;
}

.form-group {
  margin-bottom: 1rem;
}

label {
  display: block;
  margin-bottom: 0.35rem;
  font-weight: 600;
}

input[type="email"],
input[type="text"],
input[type="password"],
select,
input[type="file"] {
  width: 100%;
  max-width: 420px;
  padding: 0.75rem 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: #111;
  color: var(--text);
  font-size: 1rem;
}

input[type="email"]:focus,
input[type="text"]:focus,
input[type="password"]:focus,
select:focus,
input[type="file"]:focus {
  outline: none;
  border-image: var(--gradient) 1;
  box-shadow: 0 0 0 1px var(--accent-blue);
}

.checkbox-row {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  max-width: 560px;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: var(--radius);
  font-weight: 700;
  font-family: var(--font-display);
  font-style: italic;
  cursor: pointer;
  text-align: center;
  transition: opacity 0.15s, transform 0.15s;
}

.btn:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--gradient);
  color: #000;
}

.btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  transform: none;
}

.upload-progress {
  margin: 1rem 0 1.25rem;
  max-width: 420px;
}

.upload-progress[hidden] {
  display: none !important;
}
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.5rem;
  font-size: 0.95rem;
  color: var(--text-muted);
}

.upload-progress-track {
  height: 0.55rem;
  border-radius: 999px;
  background: #1a1a1a;
  border: 1px solid var(--border);
  overflow: hidden;
}

.upload-progress-bar {
  height: 100%;
  width: 0;
  border-radius: 999px;
  background: var(--gradient);
  transition: width 0.15s ease-out;
}

.upload-progress--indeterminate .upload-progress-bar {
  width: 35% !important;
  animation: upload-progress-indeterminate 1.2s ease-in-out infinite;
}

@keyframes upload-progress-indeterminate {
  0% { transform: translateX(-120%); }
  100% { transform: translateX(320%); }
}

.btn-secondary {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}

.btn-donate {
  background: var(--gradient);
  color: #000;
  min-width: 180px;
}

.donate-row {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 1.5rem;
}

.hero {
  text-align: center;
  margin-bottom: 2rem;
}

.hero img {
  max-width: 360px;
  width: 100%;
  height: auto;
  margin-bottom: 1rem;
}

.hero p.lead {
  font-size: 1.15rem;
  color: var(--text-muted);
  max-width: 640px;
  margin: 0 auto;
}

.platform-section {
  margin-top: 1.75rem;
}

.platform-intro {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-muted);
  margin: 0 0 0.75rem;
}

.platform-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
}

.platform-badge {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.35rem;
  min-width: 140px;
  padding: 1rem 1.25rem;
  border: 1px solid rgba(0, 180, 255, 0.35);
  border-radius: var(--radius);
  background: var(--bg-card);
  color: #4fc3f7;
}

.platform-icon {
  width: 40px;
  height: 40px;
  margin-bottom: 0.25rem;
}

.platform-name {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 700;
  font-size: 1.05rem;
}

.platform-format {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.features-section {
  max-width: 100%;
}

.features-section h2 {
  margin-top: 0;
  text-align: center;
}

.features-intro {
  text-align: center;
  color: var(--text-muted);
  max-width: 560px;
  margin: 0 auto 1.5rem;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.feature-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  aspect-ratio: 1 / 1;
  min-height: 0;
  padding: 1.25rem 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: #0a0a0a;
  transition: border-color 0.15s, transform 0.15s, box-shadow 0.15s;
}

.feature-item:hover {
  border-color: rgba(0, 180, 255, 0.45);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 180, 255, 0.08);
}

.feature-icon {
  display: block;
  width: 72px;
  height: 72px;
  margin-bottom: 0.75rem;
  flex-shrink: 0;
}

.feature-item h3 {
  margin: 0 0 0.35rem;
  font-size: 1rem;
  font-family: var(--font-display);
  font-style: italic;
}

.feature-item p {
  margin: 0;
  font-size: 0.78rem;
  color: var(--text-muted);
  line-height: 1.35;
  max-width: 12rem;
}

@media (max-width: 720px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 400px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
  }

  .feature-item {
    padding: 1rem 0.5rem;
  }

  .feature-icon {
    width: 56px;
    height: 56px;
  }

  .feature-item p {
    font-size: 0.72rem;
  }
}

.download-list {
  list-style: none;
  padding: 0;
  margin: 1rem 0 0;
}

.download-list li {
  margin-bottom: 0.75rem;
}

.download-list .unavailable {
  color: var(--text-muted);
  font-style: italic;
}

.site-footer {
  text-align: center;
  padding: 1.5rem 2rem 2rem;
  color: var(--text-muted);
  font-size: 0.9rem;
  border-top: 1px solid var(--border);
}

.site-footer-text {
  margin: 0 0 0.5rem;
}

.site-footer-link {
  font-size: 0.75rem;
  color: var(--text-muted);
  opacity: 0.75;
}

.site-footer-link:hover {
  color: var(--accent-blue);
  opacity: 1;
}

.impressum-block h2 {
  font-size: 1.1rem;
  margin-top: 0;
}

.impressum-block p {
  margin: 0 0 0.75rem;
}

.impressum-block p:last-child {
  margin-bottom: 0;
}

/* ── Slideshow ── */
.slideshow {
  padding: 0;
  overflow: hidden;
  position: relative;
}

.slideshow-viewport {
  overflow: hidden;
  width: 100%;
}

.slideshow-track {
  display: flex;
  width: 100%;
  transition: transform 0.5s ease;
  will-change: transform;
}

.slide {
  flex: 0 0 100%;
  min-width: 0;
}

.slide-media {
  display: block;
  width: 100%;
  height: auto;
  max-height: min(420px, 56vw);
  object-fit: contain;
  object-position: center;
  background: #050505;
}

.slide-player {
  background: #050505;
  line-height: 0;
}

.slide-video .slide-player video {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  height: auto;
  max-height: none;
  object-fit: contain;
  background: #050505;
}

@media (max-width: 600px) {
  .slide-media {
    max-height: 52vw;
  }
}

.slide-caption {
  margin: 0;
  padding: 0.65rem 1.25rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  text-align: center;
  background: var(--bg-card);
  border-top: 1px solid var(--border);
}

.slideshow-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 0.65rem;
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  border-radius: 0 0 var(--radius) var(--radius);
}

.slide-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-muted);
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  cursor: pointer;
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color 0.15s, color 0.15s;
}

.slide-btn:hover {
  border-color: var(--accent-blue);
  color: var(--accent-blue);
}

.slide-dots {
  display: flex;
  gap: 0.5rem;
}

.slide-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  border: none;
  background: var(--border);
  cursor: pointer;
  padding: 0;
  transition: background 0.2s;
}

.slide-dot.active {
  background: var(--accent-blue);
}

/* Admin-Panel */
.site-nav a.active {
  color: var(--accent-blue);
}

.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  margin-left: 0.75rem;
  font-size: 0.9rem;
}

.lang-switch a {
  opacity: 0.75;
}

.lang-switch a.active {
  opacity: 1;
  font-weight: 700;
}

.lang-sep {
  opacity: 0.45;
}

.admin-login {
  max-width: 420px;
  margin: 2rem auto;
}

.admin-login-logo {
  display: block;
  height: 56px;
  width: auto;
  margin: 0 auto 1rem;
}

.admin-kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.admin-kpi {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.admin-kpi-label {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
}

.admin-kpi-value {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  font-style: italic;
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.admin-kpi-value-sm {
  font-size: 1.5rem;
}

.admin-kpi-meta {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.admin-dl {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 0.5rem 1rem;
  margin: 0;
}

.admin-dl dt {
  color: var(--text-muted);
  font-weight: 600;
}

.admin-dl dd {
  margin: 0;
}

.admin-table-wrap {
  overflow-x: auto;
}

.admin-table-panel {
  margin-top: 0.75rem;
  max-width: 100%;
  min-width: 0;
}

.admin-table-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem 1rem;
  margin-bottom: 0.65rem;
}

.admin-table-filter-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex: 1 1 220px;
  max-width: 420px;
}

.admin-table-filter-icon {
  color: var(--text-muted);
  font-size: 1.1rem;
  line-height: 1;
}

.admin-table-filter,
.admin-table-filters input {
  width: 100%;
  padding: 0.45rem 0.65rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: #111;
  color: var(--text);
  font-size: 0.9rem;
}

.admin-table-filter:focus,
.admin-table-filters input:focus {
  outline: none;
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 1px var(--accent-blue);
}

.admin-table-count {
  font-size: 0.9rem;
  color: var(--text-muted);
  white-space: nowrap;
}

.admin-table-count--filtered {
  color: var(--accent-blue);
}

.admin-table-wrap--scroll {
  display: block;
  width: 100%;
  max-width: 100%;
  max-height: min(62vh, 560px);
  overflow: auto;
  overscroll-behavior: contain;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: rgba(0, 0, 0, 0.2);
  scrollbar-width: thin;
  scrollbar-color: #555 #1a1a1a;
}

.admin-table-wrap--scroll::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

.admin-table-wrap--scroll::-webkit-scrollbar-track {
  background: #1a1a1a;
  border-radius: var(--radius);
}

.admin-table-wrap--scroll::-webkit-scrollbar-thumb {
  background: #555;
  border-radius: 5px;
  border: 2px solid #1a1a1a;
}

.admin-table-wrap--scroll::-webkit-scrollbar-thumb:hover {
  background: var(--accent-blue);
}

.admin-table-wrap--scroll::-webkit-scrollbar-corner {
  background: #1a1a1a;
}

.card .admin-table-panel,
.admin-db-section .admin-table-panel {
  overflow: hidden;
}

.admin-table-wrap--scroll .admin-table thead th {
  position: sticky;
  top: 0;
  z-index: 2;
  background: var(--bg-card);
  box-shadow: 0 1px 0 var(--border);
}

.admin-table-wrap--scroll .admin-table-filters th {
  top: var(--admin-thead-height, 2.5rem);
  z-index: 1;
  padding: 0.35rem 0.5rem;
  background: #141414;
}

.admin-table--resizable {
  table-layout: fixed;
  min-width: 100%;
  width: max-content;
}

.admin-table--resizable th {
  min-width: 72px;
}

.admin-table th.admin-table-th--resizable {
  position: sticky;
  overflow: hidden;
}

.admin-col-resizer {
  position: absolute;
  top: 0;
  right: 0;
  width: 6px;
  height: 100%;
  cursor: col-resize;
  user-select: none;
  touch-action: none;
}

.admin-col-resizer:hover,
body.admin-table-resizing .admin-col-resizer {
  background: rgba(0, 180, 255, 0.35);
}

body.admin-table-resizing {
  cursor: col-resize;
  user-select: none;
}

.admin-table td {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  vertical-align: top;
}

.admin-table td .admin-file-list {
  white-space: normal;
}

.admin-table td .admin-file-list li {
  overflow-wrap: anywhere;
}

.admin-table {
  border-collapse: collapse;
  font-size: 0.95rem;
}

.admin-table.admin-table--resizable {
  width: max-content;
  min-width: 100%;
}

.admin-table th,
.admin-table td {
  padding: 0.65rem 0.75rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.admin-table th {
  color: var(--text-muted);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.admin-table tbody tr:hover {
  background: rgba(255, 255, 255, 0.03);
}

.admin-code {
  font-size: 0.85rem;
  color: var(--accent-blue);
}

.admin-file-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.admin-file-list li {
  margin-bottom: 0.35rem;
}

.btn-sm {
  padding: 0.35rem 0.75rem;
  font-size: 0.85rem;
  margin-left: 0.5rem;
}

.badge {
  display: inline-block;
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
  font-size: 0.8rem;
  font-weight: 600;
}

.badge-error {
  background: rgba(255, 82, 82, 0.15);
  color: #ffcdd2;
}

.badge-ok {
  background: rgba(0, 230, 118, 0.15);
  color: #b9f6ca;
}

.admin-toc {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1.5rem;
  padding: 1rem 1.25rem;
}

.admin-toc a {
  font-weight: 600;
  font-family: monospace;
}

.admin-danger-zone {
  border-color: rgba(255, 82, 82, 0.45);
}

.admin-danger-zone h2 {
  color: #ffcdd2;
}

.admin-clear-form {
  max-width: 420px;
}

.btn-danger {
  background: rgba(255, 82, 82, 0.18);
  color: #ffcdd2;
  border: 1px solid rgba(255, 82, 82, 0.55);
}

.btn-danger:hover {
  background: rgba(255, 82, 82, 0.28);
  color: #fff;
}

.admin-db-section {
  margin-bottom: 1.5rem;
}

.admin-db-section h2 {
  font-size: 1.15rem;
}

.admin-cell-truncate {
  max-width: 280px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.admin-table td.admin-cell-truncate {
  max-width: none;
}

.text-muted {
  color: var(--text-muted);
}