:root {
  --green: #789b90;
  --green-dark: #335c52;
  --green-light: #edf5f1;
  --orange: #ff8f1f;
  --ink: #23352f;
  --muted: #6f8078;
  --line: #d6e3dd;
  --bg: #f6faf8;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.5;
}

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

/* Topbar */
.topbar {
  position: sticky; top: 0; z-index: 100;
  display: flex; align-items: center; gap: 22px;
  padding: 12px 26px;
  background: rgba(255,255,255,.9);
  backdrop-filter: saturate(1.4) blur(8px);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 1px 12px rgba(51,92,82,.05);
}
.bar-left { display: flex; align-items: center; gap: 12px; }
.brand { font-size: 20px; color: var(--green-dark); letter-spacing: .2px; text-decoration: none; }
.brand b { font-weight: 800; }
.brand.big { font-size: 30px; }
.studio-chip {
  font-size: 12px; font-weight: 600; color: var(--green-dark);
  background: var(--green-light); border: 1px solid var(--line);
  padding: 3px 10px; border-radius: 20px; white-space: nowrap;
}

.topbar nav { display: flex; align-items: center; gap: 4px; margin-left: auto; }
.nav-spacer { width: 1px; height: 22px; background: var(--line); margin: 0 6px; }
.topbar nav a, .dropbtn {
  text-decoration: none; color: var(--green-dark); font-weight: 600; font-size: 14.5px;
  padding: 8px 11px; border-radius: 9px; transition: background .15s, color .15s;
  display: inline-flex; align-items: center; gap: 5px;
}
.topbar nav a:hover, .dropbtn:hover { background: var(--green-light); color: var(--green-dark); }
.topbar nav a.active, .dropbtn.active { background: var(--green-dark); color: #fff; }
.topbar nav a.logout { color: var(--muted); font-weight: 500; }
.topbar nav a.logout:hover { background: #fdecec; color: #b23; }
.icon-link { font-size: 15px; }

/* Dropdown-Gruppen */
.dropdown { position: relative; }
.dropbtn { background: none; border: none; font-family: inherit; cursor: pointer; }
.caret { font-size: 11px; opacity: .7; }
.dropmenu {
  display: none; position: absolute; right: 0; top: calc(100% + 8px); min-width: 190px;
  background: #fff; border: 1px solid var(--line); border-radius: 13px;
  box-shadow: 0 14px 36px rgba(51,92,82,.14); padding: 7px; z-index: 60;
}
.dropdown.open .dropmenu { display: block; animation: pop .12s ease-out; }
@keyframes pop { from { opacity: 0; transform: translateY(-4px); } to { opacity: 1; transform: none; } }
.dropmenu a {
  display: block; padding: 9px 12px; border-radius: 8px; white-space: nowrap;
  color: var(--ink); font-weight: 600;
}
.dropmenu a:hover { background: var(--green-light); color: var(--green-dark); }
.dropmenu a.active { color: var(--green-dark); }
.dropmenu a.active::after { content: " ●"; color: var(--orange); font-size: 10px; }

.burger { display: none; margin-left: auto; background: none; border: 1px solid var(--line);
  border-radius: 9px; font-size: 20px; line-height: 1; padding: 6px 11px; color: var(--green-dark); cursor: pointer; }

.wrap { max-width: 1080px; margin: 0 auto; padding: 28px 24px 60px; }

/* Betreiber-Panel (Super-Admin) – bewusst andere Kopfleiste */
.admin-bar {
  display: flex; align-items: center; justify-content: space-between; gap: 18px;
  padding: 12px 26px; background: var(--ink); color: #fff;
}
.admin-brand { font-size: 19px; color: #fff; }
.admin-brand b { font-weight: 800; }
.admin-tag { font-size: 10.5px; font-weight: 800; letter-spacing: 1px; background: var(--orange);
  color: #fff; padding: 2px 8px; border-radius: 6px; vertical-align: middle; margin-left: 4px; }
.admin-bar nav { display: flex; gap: 6px; align-items: center; }
.admin-bar nav a { color: #dfe7e3; text-decoration: none; font-weight: 600; font-size: 14.5px;
  padding: 7px 12px; border-radius: 9px; transition: background .15s, color .15s; }
.admin-bar nav a:hover { background: rgba(255,255,255,.1); color: #fff; }
.admin-bar nav a.logout { color: #f4b8b8; }

h1 { font-size: 26px; margin: 6px 0 2px; }
h2 { font-size: 18px; margin: 30px 0 12px; color: var(--green-dark); }

/* Login */
.login-card {
  max-width: 380px; margin: 8vh auto 0; background: #fff;
  border: 1px solid var(--line); border-radius: 16px; padding: 34px 30px;
  box-shadow: 0 10px 30px rgba(51,92,82,.07); text-align: center;
}
.login-card form { margin-top: 18px; text-align: left; }
.login-card label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 14px; }
.login-card input {
  width: 100%; margin-top: 5px; padding: 11px 12px; font-size: 15px;
  border: 1px solid var(--line); border-radius: 10px; background: #fcfefd;
}
.login-card input:focus { outline: none; border-color: var(--green); }
button[type="submit"] {
  width: 100%; margin-top: 6px; padding: 12px; font-size: 15px; font-weight: 700;
  color: #fff; background: var(--green-dark); border: none; border-radius: 10px; cursor: pointer;
}
button[type="submit"]:hover { background: #2a4a42; }
.error {
  background: #fdecec; color: #a33; border: 1px solid #f3c9c9;
  padding: 10px 12px; border-radius: 10px; font-size: 14px; margin-bottom: 6px;
}
.ok-banner {
  background: #e3f3ea; color: #2f7d52; border: 1px solid #bfe3ce;
  padding: 10px 14px; border-radius: 10px; font-size: 14px; margin: 12px 0;
}

/* Cards */
.cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-top: 18px; }
.card {
  background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 18px;
  box-shadow: 0 4px 18px rgba(51,92,82,.04);
}
a.card { display: block; text-decoration: none; color: inherit; transition: border-color .15s, box-shadow .15s, transform .15s; }
a.card:hover { border-color: var(--green); box-shadow: 0 10px 24px rgba(51,92,82,.09); transform: translateY(-2px); }
.card .num { font-size: 28px; font-weight: 800; color: var(--green-dark); }
.card .lbl { font-size: 13px; color: var(--muted); margin-top: 2px; }
.card.accent { background: var(--green-dark); border-color: var(--green-dark); }
.card.accent .num, .card.accent .lbl { color: #fff; }

/* Table */
table.list {
  width: 100%; border-collapse: separate; border-spacing: 0; background: #fff;
  border: 1px solid var(--line); border-radius: 14px; overflow: hidden;
  box-shadow: 0 4px 18px rgba(51,92,82,.05);
}
table.list th {
  text-align: left; font-size: 11.5px; text-transform: uppercase; letter-spacing: .5px;
  color: var(--green-dark); background: var(--green-light); padding: 12px 15px;
  font-weight: 700; border-bottom: 1px solid var(--line);
}
table.list td { padding: 12px 15px; border-top: 1px solid var(--line); font-size: 14px; }
table.list tbody tr:first-child td { border-top: none; }
table.list tbody tr:hover { background: #f7fbf9; }

/* Page head + buttons */
.pagehead { display: flex; justify-content: space-between; align-items: center; }
.btn {
  display: inline-block; padding: 9px 16px; border-radius: 10px; font-weight: 700; font-size: 14px;
  background: var(--green-dark); color: #fff; text-decoration: none; border: none; cursor: pointer;
  transition: background .15s, transform .1s, box-shadow .15s;
}
.btn:hover { background: #2a4a42; transform: translateY(-1px); box-shadow: 0 6px 16px rgba(51,92,82,.16); }
.btn.ghost { background: #fff; color: var(--green-dark); border: 1px solid var(--line); box-shadow: none; }
.btn.ghost:hover { border-color: var(--green); box-shadow: 0 4px 12px rgba(51,92,82,.08); }
.right { text-align: right; }
table.list td.right a, td .link { color: var(--green-dark); font-weight: 600; text-decoration: none; }
table.list td.right a:hover { color: var(--orange); }
/* Aktions-Spalte: Buttons dürfen rechtsbündig umbrechen statt die Zeile zu sprengen */
.actions-cell { white-space: normal; }
.actions-cell > a, .actions-cell form.inline { display: inline-block; margin: 2px 0; }
.tag { font-size: 11px; background: #eee; color: #777; padding: 1px 7px; border-radius: 8px; margin-left: 6px; }
.swatch { display: inline-block; width: 11px; height: 11px; border-radius: 3px; vertical-align: middle; margin-right: 4px; }

/* Tabs */
.tabs { display: flex; flex-wrap: wrap; gap: 4px; margin: 18px 0; border-bottom: 1px solid var(--line); }
.tabs a, .tabs button.tab {
  padding: 9px 15px; text-decoration: none; color: var(--muted); font-weight: 600; font-size: 14px;
  border: none; background: none; border-bottom: 2px solid transparent; cursor: pointer;
  font-family: inherit; transition: color .15s, border-color .15s;
}
.tabs a.active, .tabs button.tab.active { color: var(--green-dark); border-bottom-color: var(--orange); }
.tabs a:hover, .tabs button.tab:hover { color: var(--green-dark); }

/* Tab-Panels (JS blendet um) */
.tabpanel { display: none; }
.tabpanel.shown { display: block; animation: pop .14s ease-out; }

/* Search */
.searchbar { display: flex; gap: 8px; margin: 16px 0; }
.searchbar input {
  flex: 1; padding: 10px 12px; border: 1px solid var(--line); border-radius: 10px; background: #fff; font-size: 15px;
}
.searchbar input:focus { outline: none; border-color: var(--green); }
.searchbar button { padding: 10px 16px; border: none; border-radius: 10px; background: var(--green-dark); color: #fff; font-weight: 600; cursor: pointer; }
.searchbar .clear { align-self: center; color: var(--muted); text-decoration: none; font-size: 22px; padding: 0 6px; }

/* Forms */
.card.form { margin-top: 18px; max-width: 680px; }
.form label { display: block; font-size: 13px; font-weight: 600; color: var(--muted); margin-bottom: 15px; }
.form input, .form select, .form textarea {
  width: 100%; margin-top: 6px; padding: 11px 13px; font-size: 15px; font-weight: 400;
  border: 1px solid var(--line); border-radius: 10px; background: #fcfefd; font-family: inherit;
  transition: border-color .15s, box-shadow .15s;
}
.form input:focus, .form select:focus, .form textarea:focus {
  outline: none; border-color: var(--green); box-shadow: 0 0 0 3px rgba(120,155,144,.18);
}
/* Gruppierte Unterbereiche im Formular (Kurs-Optionen, Serie) */
#public-fields, .series-box {
  background: var(--green-light); border: 1px solid var(--line); border-radius: 12px;
  padding: 16px 16px 4px; margin-bottom: 15px;
}
.series-box { background: #fafcfb; }
#public-fields .hint, .series-box + .hint { margin-bottom: 4px; }
.form .row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form label.checkbox { display: flex; align-items: center; gap: 8px; color: var(--ink); }
.form label.checkbox input { width: auto; margin-top: 0; }
.form .actions { margin-top: 8px; }
.form .actions button {
  padding: 11px 22px; border: none; border-radius: 10px; background: var(--green-dark);
  color: #fff; font-weight: 700; font-size: 15px; cursor: pointer;
}
.form .actions button:hover { background: #2a4a42; }

.form .row3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 14px; }
.hint { font-size: 12px; color: var(--muted); margin: -6px 0 10px; }

/* Manuelle Rechnung – Positions-Tabelle */
.form.manual-inv { max-width: none; }
.items-wrap { overflow-x: auto; }
.items-table { width: 100%; border-collapse: collapse; margin-top: 4px; }
.items-table th { text-align: left; font-size: 11.5px; color: var(--muted); font-weight: 700; padding: 6px 8px; text-transform: uppercase; letter-spacing: .3px; }
.items-table th.right, .items-table td.right { text-align: right; }
.items-table td { padding: 5px 8px; vertical-align: middle; }
.items-table input { margin-top: 0; }
.items-table td:first-child { min-width: 200px; }
.items-table .qty, .items-table .rate { width: 68px; }
.items-table input[name="unit"] { width: 82px; }
.items-table .price { width: 120px; }
.line-sum { white-space: nowrap; font-weight: 600; color: var(--green-dark); }
.items-table .del { color: #b23; font-weight: 700; padding: 0 6px; }
.total-line { margin: 16px 0 4px; font-size: 16px; }
.total-line b { color: var(--green-dark); font-size: 18px; }
.tag.green { background: var(--green-light); color: var(--green-dark); }

/* Erinnerungs-Box (Dashboard) */
.reminder { background: #fff8ef; border: 1px solid #f5d9ad; border-left: 4px solid var(--orange); border-radius: 12px; padding: 18px 20px; margin: 20px 0; }
.reminder h2 { color: #a5600a; }

/* Badges + small buttons */
.badge { font-size: 11px; font-weight: 700; padding: 2px 9px; border-radius: 20px; background: #eef1f0; color: #667; white-space: nowrap; }
.badge.green { background: #e3f3ea; color: #2f7d52; }
.badge.blue { background: #e6eef8; color: #35659c; }
.badge.red { background: #fdecec; color: #b23; }
.badge.grey { background: #eee; color: #777; }
.btn.small { padding: 6px 11px; font-size: 13px; }
.nowrap { white-space: nowrap; }

/* Month navigation */
.monthnav { display: flex; align-items: center; gap: 12px; margin: 18px 0; }
.monthlabel { font-size: 17px; font-weight: 700; color: var(--green-dark); min-width: 150px; text-align: center; }
.cal-link { margin-left: auto; color: var(--green-dark); text-decoration: none; font-weight: 600; font-size: 14px; }
.cal-link:hover { color: var(--orange); }

/* Booking list extras */
tr.muted-row td { color: #aab; }
form.inline { display: inline; }
.linkbtn { background: none; border: none; color: var(--green-dark); font-weight: 600; cursor: pointer; padding: 0 0 0 10px; font-size: 14px; }
.linkbtn:hover { color: var(--orange); }

/* Calendar grid */
table.calendar { width: 100%; border-collapse: collapse; table-layout: fixed; background: #fff; border: 1px solid var(--line); border-radius: 12px; overflow: hidden; }
table.calendar th { background: var(--green-dark); color: #fff; font-size: 12px; padding: 8px; text-transform: uppercase; letter-spacing: .4px; }
table.calendar td { border: 1px solid var(--line); vertical-align: top; height: 96px; padding: 4px; }
table.calendar td.out { background: #fafcfb; }
table.calendar td.today { background: var(--green-light); }
.daynum { display: inline-block; font-size: 13px; font-weight: 700; color: var(--muted); text-decoration: none; padding: 2px 5px; border-radius: 6px; }
.daynum:hover { background: var(--green-dark); color: #fff; }
td.today .daynum { color: var(--green-dark); }
.evt { display: block; font-size: 11px; background: #f4f8f6; border-left: 3px solid var(--green); border-radius: 4px; padding: 2px 5px; margin-top: 3px; overflow: hidden; white-space: nowrap; text-overflow: ellipsis; text-decoration: none; color: inherit; }
a.evt:hover { background: var(--green-light); }

/* Tag-Popover (Hover/Tap statt Direkt-Sprung) */
table.calendar { overflow: visible; }              /* Popover darf aus der Tabelle ragen */
.cal-day { position: relative; }
.day-head { position: relative; display: inline-block; }
.daynum { background: none; border: none; font-family: inherit; cursor: pointer; }
.day-pop {
  display: none; position: absolute; top: calc(100% + 4px); left: 0; z-index: 50; min-width: 156px;
  background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 8px;
  box-shadow: 0 14px 34px rgba(51,92,82,.18);
}
.day-head:hover .day-pop, .day-head.open .day-pop { display: block; animation: pop .12s ease-out; }
.dp-date { font-size: 12px; font-weight: 700; color: var(--green-dark); padding: 2px 8px 7px; border-bottom: 1px solid var(--line); margin-bottom: 4px; white-space: nowrap; }
.day-pop a { display: block; padding: 8px 10px; border-radius: 8px; font-size: 13px; font-weight: 600; color: var(--ink); text-decoration: none; white-space: nowrap; }
.day-pop a:hover { background: var(--green-light); color: var(--green-dark); }

/* ---- Öffentliche Buchungsseite ---- */
body.public { background: #eef4f1; }
.public-head { text-align: center; padding: 34px 20px 10px; }
.public-head .brand.big { color: var(--green-dark); }
.wrap.narrow { max-width: 720px; }
.public-foot { max-width: 720px; margin: 30px auto; padding: 16px 24px 40px; text-align: center; font-size: 13px; }
.public-foot details { margin-bottom: 10px; text-align: left; }
.public-foot summary { cursor: pointer; color: var(--green-dark); }
.impressum { white-space: pre-wrap; font-family: inherit; font-size: 13px; color: var(--muted); background: #fff; padding: 12px; border-radius: 10px; border: 1px solid var(--line); }
.back { display: inline-block; margin-bottom: 8px; color: var(--green-dark); text-decoration: none; font-weight: 600; }
.back:hover { color: var(--orange); }

.course-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; margin-top: 18px; }
.course-card { background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 18px; }
.ctitle { font-size: 17px; font-weight: 800; color: var(--green-dark); }
.cmeta { font-size: 14px; color: var(--muted); margin-top: 3px; }
.cprice { font-weight: 700; margin-top: 6px; }
.cfree { display: inline-block; margin-top: 10px; font-size: 13px; font-weight: 700; color: #2f7d52; background: #e3f3ea; padding: 2px 10px; border-radius: 20px; }
.cfree.full { color: #b23; background: #fdecec; }
.course-card .btn { margin-top: 14px; display: block; text-align: center; }

.hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }
.done-card { text-align: center; margin-top: 20px; }
.done-emoji { font-size: 46px; }

/* ============ Dashboard ============ */
.stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin: 20px 0 6px; }
.stat {
  display: flex; align-items: center; gap: 14px; background: #fff; border: 1px solid var(--line);
  border-radius: 16px; padding: 17px 18px; text-decoration: none; color: inherit;
  transition: transform .15s, box-shadow .15s, border-color .15s;
}
.stat:hover { transform: translateY(-3px); box-shadow: 0 12px 26px rgba(51,92,82,.09); border-color: var(--green); }
.stat-ic { flex: none; width: 46px; height: 46px; border-radius: 13px; display: grid; place-items: center; font-size: 22px; background: var(--green-light); }
.stat-body { display: flex; flex-direction: column; line-height: 1.1; }
.stat-num { font-size: 26px; font-weight: 800; color: var(--green-dark); }
.stat-lbl { font-size: 12.5px; color: var(--muted); margin-top: 3px; }
.stat.accent { background: linear-gradient(135deg, var(--green-dark), var(--green)); border-color: transparent; }
.stat.accent .stat-num, .stat.accent .stat-lbl { color: #fff; }
.stat.accent .stat-ic { background: rgba(255,255,255,.18); }

.section-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin: 30px 0 10px; }
.section-head h2 { margin: 0; }
.section-head .link { font-size: 14px; color: var(--green-dark); text-decoration: none; font-weight: 600; }
.section-head .link:hover { color: var(--orange); }

.share-strip {
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
  background: var(--green-light); border: 1px solid var(--line); border-radius: 12px;
  padding: 11px 15px; font-size: 13.5px; color: var(--ink); margin-top: 4px;
}
.share-strip code { background: #fff; padding: 2px 8px; border-radius: 6px; border: 1px solid var(--line); }
.share-strip .link { margin-left: auto; color: var(--green-dark); font-weight: 700; text-decoration: none; }
.share-strip .link:hover { color: var(--orange); }

@media (max-width: 720px) {
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
  .share-strip .link { margin-left: 0; }
}

/* ============ Öffentliche Buchungsseite – Redesign ============ */
body.public { background: var(--bg); }

.hero {
  background: linear-gradient(135deg, var(--green-dark) 0%, var(--green) 100%);
  color: #fff; padding: 46px 20px 40px; text-align: center;
  border-radius: 0 0 26px 26px; box-shadow: 0 12px 30px rgba(51,92,82,.16);
}
.hero { position: relative; }
.hero .brand.big { color: #fff; font-size: 32px; }
.hero-sub { margin-top: 8px; font-size: 15px; color: #eaf4ef; opacity: .95; }
.hero-account {
  position: absolute; top: 14px; right: 16px; color: #fff; text-decoration: none;
  font-size: 13.5px; font-weight: 700; background: rgba(255,255,255,.16);
  padding: 7px 14px; border-radius: 20px; transition: background .15s;
}
.hero-account:hover { background: rgba(255,255,255,.28); }

.public-intro { text-align: center; color: var(--muted); margin: 22px 0 4px; }

.course-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; margin-top: 22px; }
.course-card {
  background: #fff; border: 1px solid var(--line); border-radius: 16px; padding: 20px;
  display: flex; flex-direction: column; transition: transform .15s, box-shadow .15s, border-color .15s;
}
.course-card:hover { transform: translateY(-3px); box-shadow: 0 14px 30px rgba(51,92,82,.10); border-color: var(--green); }
.course-card.is-full { opacity: .72; }
.cc-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; }
.cc-head .ctitle { font-size: 18px; font-weight: 800; color: var(--green-dark); margin: 0; line-height: 1.25; }
.cprice-pill {
  flex: none; font-size: 15px; font-weight: 800; color: var(--green-dark);
  background: var(--green-light); border: 1px solid var(--line); padding: 4px 12px; border-radius: 20px; white-space: nowrap;
}
.cc-meta { list-style: none; padding: 0; margin: 12px 0 0; display: grid; gap: 5px; }
.cc-meta li { font-size: 14px; color: var(--ink); }
.cc-meta li .ic { display: inline-block; width: 20px; opacity: .8; }
.cc-desc { font-size: 13.5px; color: var(--muted); margin: 10px 0 0; }
.cc-foot { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-top: 16px; padding-top: 14px; border-top: 1px solid var(--line); }
.cfree { display: inline-block; font-size: 13px; font-weight: 700; color: #2f7d52; background: #e3f3ea; padding: 3px 11px; border-radius: 20px; }
.cfree.full { color: #b23; background: #fdecec; }
.course-card .btn { padding: 10px 18px; }

.empty-state { text-align: center; background: #fff; border: 1px solid var(--line); border-radius: 16px; padding: 40px 24px; margin-top: 22px; color: var(--muted); }
.empty-state .em { font-size: 40px; display: block; margin-bottom: 8px; }

/* Kurs-Detail / Buchung */
.course-summary {
  background: #fff; border: 1px solid var(--line); border-radius: 16px; padding: 20px 22px; margin-top: 6px;
  border-left: 5px solid var(--green);
}
.course-summary h1 { margin: 0 0 8px; }
.course-summary .cc-meta { margin-top: 4px; }
.book-card { margin-top: 18px; }
.book-card h2 { margin-top: 0; }
.pay-note { display: flex; gap: 10px; align-items: flex-start; background: var(--green-light); border: 1px solid var(--line);
  border-radius: 12px; padding: 12px 14px; font-size: 13.5px; color: var(--ink); margin-top: 4px; }
.pay-note.cash { background: #fff8ef; border-color: #f5d9ad; }
.pay-note .ic { font-size: 18px; }

.public-foot { max-width: 720px; margin: 34px auto; padding: 16px 24px 44px; text-align: center; font-size: 13px; color: var(--muted); }
.done-card { text-align: center; margin-top: 26px; padding: 34px 26px; }
.done-emoji { font-size: 52px; }

@media (max-width: 720px) {
  .course-grid { grid-template-columns: 1fr; }
  .hero { padding: 36px 18px 32px; }
  .hero .brand.big { font-size: 27px; }
}

@media (max-width: 720px) {
  .cards { grid-template-columns: repeat(2, 1fr); }
  .form .row2, .form .row3 { grid-template-columns: 1fr; }
  table.calendar td { height: 64px; }
  .course-grid { grid-template-columns: 1fr; }
  /* Tabellen horizontal scrollbar statt Seitenlayout zu sprengen */
  table.list { display: block; overflow-x: auto; white-space: nowrap; }

  /* Mobiles Burger-Menü */
  .topbar { flex-wrap: wrap; gap: 12px; }
  .burger { display: inline-block; }
  .topbar nav {
    display: none; flex-direction: column; align-items: stretch;
    width: 100%; margin-left: 0; gap: 2px;
  }
  body.nav-open .topbar nav { display: flex; }
  .topbar nav a, .dropbtn { width: 100%; padding: 11px 12px; font-size: 15px; }
  .nav-spacer { display: none; }
  .dropdown { width: 100%; }
  .dropmenu { position: static; box-shadow: none; border: none; border-radius: 0;
    padding: 0 0 6px 12px; min-width: 0; }
  .dropdown.open .dropmenu { animation: none; }
}