:root {
  --kaaw-dark: #1c4063;
  --kaaw-blue: #1b93d3;
  --kaaw-blue-hover: #167cb2;
  --kaaw-text: #4a4a4a;
  --kaaw-muted: #767676;
  --kaaw-bg: #ffffff;
  --kaaw-bg-soft: #f4f7f9;
  --kaaw-border: #e2e8ee;
  --kaaw-danger: #c0392b;
  --kaaw-success: #1e7e42;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--kaaw-bg);
  color: var(--kaaw-text);
  font-family: "Open Sans", Arial, Helvetica, sans-serif;
  font-size: 16px;
  line-height: 1.55;
}

/* Sanftes Einblenden statt hartem weißen Blitz beim (Neu-)Laden einer Seite */
body {
  opacity: 0;
  animation: kaaw-fade-in 0.25s ease forwards;
}

@keyframes kaaw-fade-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* Schlanker Ladebalken oben, erscheint sofort bei Klick/Absenden */
#top-loading-bar {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0%;
  background: var(--kaaw-blue);
  z-index: 9999;
  opacity: 0;
  pointer-events: none;
  box-shadow: 0 0 8px rgba(27, 147, 211, 0.6);
}

#top-loading-bar.active { opacity: 1; }

a { color: var(--kaaw-dark); }

.site-header {
  background: #ffffff;
  border-bottom: 1px solid var(--kaaw-border);
  padding: 12px 24px;
}

.site-header .inner {
  max-width: 960px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.site-header img.logo { height: 130px; width: auto; display: block; }

.site-header .admin-link { flex-shrink: 0; }

.hero {
  background: linear-gradient(135deg, var(--kaaw-dark) 0%, #234e78 100%);
  color: #ffffff;
  padding: 48px 24px;
}

.hero .inner { max-width: 960px; margin: 0 auto; }

.hero h1 {
  margin: 0 0 10px;
  font-weight: 300;
  font-size: 34px;
}

.hero p {
  margin: 0;
  color: #dce6ef;
  font-size: 17px;
  max-width: 640px;
}

.hero .meta {
  margin-top: 18px;
  font-size: 14px;
  color: #b9cbdd;
}

.hero .breadcrumb {
  margin-bottom: 18px;
}

.hero .breadcrumb a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: #ffffff !important;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: 20px;
  padding: 6px 14px;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  transition: background 0.15s ease;
}

.hero .breadcrumb a:hover { background: rgba(255, 255, 255, 0.24); }

main { max-width: 960px; margin: 0 auto; padding: 36px 24px 64px; }

h2 {
  color: var(--kaaw-dark);
  font-weight: 400;
  font-size: 24px;
  margin: 0 0 20px;
}

.alert {
  padding: 14px 18px;
  border-radius: 4px;
  margin-bottom: 24px;
  font-size: 15px;
}

.alert-success {
  background: #eaf6ee;
  color: var(--kaaw-success);
  border: 1px solid #bfe4cb;
}

.alert-error {
  background: #fbebe9;
  color: var(--kaaw-danger);
  border: 1px solid #f0c4bf;
}

.slot-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 18px;
}

.slot-card {
  border: 1px solid var(--kaaw-border);
  border-radius: 6px;
  padding: 20px;
  background: var(--kaaw-bg-soft);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.slot-card .date {
  font-weight: 600;
  color: var(--kaaw-dark);
  font-size: 17px;
}

.slot-card .time { color: var(--kaaw-text); font-size: 15px; }
.slot-card .location { color: var(--kaaw-muted); font-size: 14px; }
.slot-card .location .hint { font-size: 12px; opacity: 0.8; }

.slot-card .capacity {
  font-size: 13px;
  color: var(--kaaw-muted);
}

.slot-card .capacity.full { color: var(--kaaw-danger); font-weight: 600; }

.slot-card.event-card {
  text-decoration: none;
  color: inherit;
  transition: box-shadow 0.15s ease, transform 0.15s ease;
}

.slot-card.event-card:hover {
  box-shadow: 0 6px 20px rgba(28, 64, 99, 0.12);
  transform: translateY(-2px);
}

.slot-card.event-card .btn {
  align-self: flex-start;
  margin-top: 4px;
}

.slot-card.event-card .thumb {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: 4px;
  background: #ffffff;
  border: 1px solid var(--kaaw-border);
  margin-bottom: 2px;
}

.slot-card.event-card .thumb-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 18px;
}

.slot-card.event-card .thumb-placeholder img {
  max-width: 60%;
  max-height: 60%;
  opacity: 0.55;
}

.btn {
  display: inline-block;
  background: var(--kaaw-blue);
  color: #fff !important;
  border: none;
  border-radius: 4px;
  padding: 10px 20px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  text-align: center;
  text-decoration: none;
  transition: background 0.15s ease;
}

.btn:hover { background: var(--kaaw-blue-hover); }

.btn:disabled {
  background: #c9d3da;
  cursor: not-allowed;
}

.btn-outline {
  background: transparent;
  color: var(--kaaw-dark) !important;
  border: 1px solid var(--kaaw-dark);
}

.btn-danger { background: var(--kaaw-danger); }
.btn-danger:hover { background: #a5301f; }

.btn-small { padding: 6px 12px; font-size: 13px; }

dialog.booking-dialog {
  border: none;
  border-radius: 8px;
  padding: 0;
  width: min(440px, 92vw);
  box-shadow: 0 20px 60px rgba(0,0,0,0.25);
}

dialog.booking-dialog::backdrop { background: rgba(15, 30, 45, 0.55); }

.dialog-inner { padding: 26px; }

.dialog-inner h3 {
  margin: 0 0 4px;
  color: var(--kaaw-dark);
  font-weight: 600;
}

.dialog-inner .sub { color: var(--kaaw-muted); font-size: 14px; margin-bottom: 18px; }

.field { margin-bottom: 14px; }

.field label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--kaaw-dark);
  margin-bottom: 5px;
}

.field input, .field textarea {
  width: 100%;
  padding: 9px 11px;
  border: 1px solid var(--kaaw-border);
  border-radius: 4px;
  font-family: inherit;
  font-size: 14px;
}

.field input:focus, .field textarea:focus {
  outline: none;
  border-color: var(--kaaw-blue);
}

.field input[type="file"] {
  padding: 6px 0;
  border: none;
}

.honeypot { position: absolute; left: -9999px; top: -9999px; }

.thumb-preview {
  display: block;
  max-width: 220px;
  max-height: 130px;
  object-fit: cover;
  border-radius: 4px;
  border: 1px solid var(--kaaw-border);
  margin: 4px 0 8px;
}

.thumb-tiny {
  width: 56px;
  height: 36px;
  object-fit: cover;
  border-radius: 3px;
  border: 1px solid var(--kaaw-border);
  display: block;
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--kaaw-text);
  font-weight: 400;
  margin-bottom: 8px;
}

.checkbox-label input { width: auto; }

.dialog-actions {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
  margin-top: 18px;
}

footer {
  border-top: 1px solid var(--kaaw-border);
  padding: 24px;
  text-align: center;
  color: var(--kaaw-muted);
  font-size: 13px;
}

/* ---------- Admin ---------- */

.admin-header {
  background: var(--kaaw-dark);
  color: #fff;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.admin-header .inner {
  max-width: 1080px;
  margin: 0 auto;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.admin-header a.brand { color: #fff; text-decoration: none; font-weight: 600; }

.admin-header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.login-wrap {
  max-width: 380px;
  margin: 80px auto;
  padding: 32px;
  border: 1px solid var(--kaaw-border);
  border-radius: 8px;
}

.login-wrap h1 {
  font-size: 20px;
  color: var(--kaaw-dark);
  margin-top: 0;
}

.admin-main { max-width: 1080px; margin: 0 auto; padding: 30px 24px 60px; }

.panel {
  border: 1px solid var(--kaaw-border);
  border-radius: 6px;
  padding: 22px;
  margin-bottom: 28px;
  background: #fff;
}

.panel h2 { margin-top: 0; }

.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 14px;
  align-items: end;
}

.meeting-type-field { grid-column: 1 / -1; }

.radio-group {
  display: flex;
  gap: 20px;
  margin-top: 6px;
}

.radio-group .checkbox-label { margin-bottom: 0; font-weight: 400; }

.badge a { color: inherit; text-decoration: underline; }

table.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

table.data-table th, table.data-table td {
  text-align: left;
  padding: 9px 10px;
  border-bottom: 1px solid var(--kaaw-border);
}

table.data-table th { color: var(--kaaw-muted); font-weight: 600; font-size: 12px; text-transform: uppercase; }

.slot-block { margin-bottom: 26px; }

.edit-slot-form {
  background: var(--kaaw-bg-soft);
  border: 1px solid var(--kaaw-border);
  border-radius: 6px;
  padding: 16px;
  margin-bottom: 14px;
}

.edit-slot-form .btn-outline { margin-left: 8px; }

.slot-block-title {
  font-weight: 600;
  color: var(--kaaw-dark);
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.badge {
  display: inline-block;
  background: var(--kaaw-bg-soft);
  border: 1px solid var(--kaaw-border);
  color: var(--kaaw-muted);
  border-radius: 20px;
  padding: 2px 10px;
  font-size: 12px;
}

.row-actions form { display: inline; }

.empty-hint { color: var(--kaaw-muted); font-size: 14px; }