/* An die globalen Tokens gehaengt, damit der Aqua-Bereich den Dunkelmodus
   mitmacht. Eigene Werte wuerden dort hell stehen bleiben. */
:root {
  --aqua-primary: var(--primary);
  --aqua-dark: var(--primary-dark);
  --aqua-soft: var(--tint-info);
  --aqua-border: var(--border-strong);
  --aqua-bg: var(--bg);
  --aqua-ok: var(--success);
  --aqua-warn: var(--warning);
  --aqua-error: var(--error);
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
body { margin: 0; background: var(--aqua-bg); color: var(--ink); font-family: system-ui,-apple-system,"Segoe UI",sans-serif; }
.aqua-shell { width: min(1280px, calc(100% - 28px)); margin: 0 auto; padding: 18px 0 36px; }
.aqua-header { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }
.aqua-header img { width: 48px; height: 48px; object-fit: contain; }
.aqua-header h1 { margin: 0; font-size: clamp(1.2rem, 3vw, 1.65rem); }
.aqua-header small { color: var(--ink-subtle); }
.aqua-header .main-nav { margin-left: auto; position: relative; }
/* --ink-muted ist eine Schriftfarbe. Als Flaeche wird sie im Dunkelmodus
   hell, und weisses Weiss darauf kam auf 2,1:1. Das Tokenpaar gehoert
   zusammen - wie bei .btn.secondary daneben. */
.nav-toggle { border: 0; border-radius: 8px; padding: 9px 13px; background: var(--neutral-fill); color: var(--on-neutral-fill); cursor: pointer; }
.nav-menu { display: none; position: absolute; z-index: 20; right: 0; top: 100%; min-width: 220px; background: var(--surface); border: 1px solid var(--aqua-border); border-radius: 9px; box-shadow: 0 12px 30px var(--shadow-soft); overflow: hidden; }
.nav-menu.show { display: block; }
.nav-link, .nav-action { display: block; width: 100%; border: 0; border-bottom: 1px solid var(--border); padding: 11px 14px; background: var(--surface); color: var(--ink); text-align: left; text-decoration: none; font: inherit; cursor: pointer; }
.nav-link:hover, .nav-action:hover, .nav-link.active { background: var(--aqua-soft); }
.loginbar { margin-left: 8px; display: flex; gap: 7px; align-items: center; flex-wrap: wrap; }
.loginbar input { width: 145px; }
.aqua-tabs { display: flex; gap: 7px; flex-wrap: wrap; margin: 14px 0; }
.aqua-tab { border: 1px solid var(--aqua-border); background: var(--surface); color: var(--ink); border-radius: 999px; padding: 9px 15px; cursor: pointer; text-decoration: none; font: inherit; }
.aqua-tab.active { background: var(--aqua-primary); color: var(--on-primary); border-color: var(--aqua-primary); }
.aqua-tab.attendance-tab { background: var(--aqua-ok); color: var(--on-success); border-color: var(--aqua-ok); font-weight: 700; }
.aqua-panel { display: none; }
.aqua-panel.active { display: block; }
.aqua-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(310px, 1fr)); gap: 14px; }
.aqua-grid > * { min-width: 0; }
.aqua-grid.course-grid { grid-template-columns: minmax(0, 1fr); }
.aqua-card { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; overflow: hidden; box-shadow: 0 3px 12px var(--shadow-soft); }
.aqua-card > header { display: flex; align-items: center; justify-content: space-between; gap: 8px; padding: 13px 15px; background: var(--surface-3); border-bottom: 1px solid var(--border); }
.aqua-card > header h2, .aqua-card > header h3 { margin: 0; font-size: 1.05rem; }
.aqua-body { padding: 14px; }
.form-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 11px; }
.field { display: grid; gap: 5px; }
.field.wide { grid-column: 1 / -1; }
.wide { grid-column: 1 / -1; }
label, .field-label { font-weight: 650; font-size: .92rem; }
input, select, textarea, .html-editor { width: 100%; padding: 9px 10px; border: 1px solid var(--aqua-border); border-radius: 8px; background: var(--surface); color: inherit; font: inherit; }
textarea { min-height: 85px; resize: vertical; }
.html-editor { min-height: 150px; overflow: auto; }
.editor-toolbar { display: flex; flex-wrap: wrap; gap: 5px; margin-bottom: 6px; }
.editor-toolbar button { border: 1px solid var(--aqua-border); border-radius: 6px; padding: 6px 9px; background: var(--surface-2); color: var(--ink); cursor: pointer; }
input:focus, select:focus, textarea:focus, .html-editor:focus { outline: 3px solid var(--focus-ring); border-color: var(--primary); }
.actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
/* Ein Haken darf nicht wie ein Textfeld die ganze Breite nehmen - input
   steht in dieser Datei pauschal auf width:100%. */
.haken { display: flex; align-items: flex-start; gap: 9px; }
.haken input[type="checkbox"] { width: 20px; height: 20px; flex: 0 0 auto;
  margin-top: 1px; padding: 0; }
.haken span { font-weight: 650; font-size: .92rem; }
.btn { border: 0; border-radius: 8px; padding: 9px 13px; background: var(--aqua-primary); color: var(--on-primary); font: inherit; font-weight: 650; cursor: pointer; text-decoration: none; }
.btn:hover { background: var(--aqua-dark); }
.btn.secondary { background: var(--neutral-fill); color: var(--on-neutral-fill); }
.btn.ok { background: var(--aqua-ok); }
.btn.warn { background: var(--aqua-warn); }
.btn.error { background: var(--aqua-error); }
.btn:disabled { opacity: .55; cursor: not-allowed; }
.hint { color: var(--ink-subtle); font-size: .88rem; }
.status-line { min-height: 1.4em; color: var(--ink-muted); }
.error-text { color: var(--aqua-error); }
.table-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; overscroll-behavior-inline: contain; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 9px 10px; border-bottom: 1px solid var(--border); text-align: left; vertical-align: top; }
th { background: var(--surface-2); font-size: .86rem; color: var(--ink-muted); }
tr:hover td { background: var(--surface-2); }
.pill { display: inline-block; padding: 3px 8px; border-radius: 999px; background: var(--border); font-size: .8rem; font-weight: 700; }
.pill.ok { background: var(--tint-ok); color: var(--success); }
.pill.warn { background: var(--tint-warn); color: var(--warning); }
.pill.error { background: var(--tint-err); color: var(--error); }
.row-actions { display: flex; gap: 6px; flex-wrap: wrap; }
.row-actions .btn { padding: 6px 9px; font-size: .82rem; }
.registration-details { margin-top: 6px; font-size: .85rem; overflow-wrap: anywhere; }
.registration-details summary { padding: 8px 0; cursor: pointer; color: var(--aqua-dark); }
.registration-details div { margin: 6px 0; }
.person-id { display: block; margin-top: 3px; color: var(--ink-subtle); font-size: .78rem; font-weight: 400; }
.section-help { margin: 8px 0; }
.section-help summary { min-height: 44px; padding: 10px 0; cursor: pointer; font-size: .85rem; color: var(--ink-muted); }
.quick-session-box { display: flex; align-items: center; justify-content: space-between; gap: 14px; margin-bottom: 14px; padding: 12px; border: 1px solid var(--border-strong); border-radius: 10px; background: var(--tint-info); }
.quick-session-box p { margin: 4px 0 0; }
.quick-session-box .btn { flex: 0 0 auto; }
.attendance-toolbar { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 10px; margin-bottom: 14px; }
.attendance-list { display: grid; gap: 8px; }
.attendance-person { display: flex; align-items: center; gap: 12px; padding: 11px; background: var(--surface); border: 1px solid var(--border); border-radius: 10px; }
.attendance-person.present { border-color: var(--success); background: var(--tint-ok); }
.attendance-person .person-main { flex: 1; min-width: 0; }
.attendance-person strong, .attendance-person small { display: block; }
.public-card { width: min(680px, calc(100% - 28px)); margin: 28px auto; background: var(--surface); border-radius: 14px; border: 1px solid var(--border); box-shadow: 0 12px 36px var(--shadow-soft); overflow: hidden; }
.public-card header { padding: 20px; background: linear-gradient(135deg, var(--primary), var(--primary)); color: var(--on-primary); }
.public-card header h1 { margin: 0 0 5px; }
.public-card header p { margin: 0; opacity: .9; }
.public-card .aqua-body { padding: 20px; }
.course-description { white-space: pre-wrap; line-height: 1.55; margin-top: 10px; color: var(--ink); }
.check-label { display: flex; gap: 9px; align-items: flex-start; font-weight: 500; }
.check-label input { width: 20px; height: 20px; flex: 0 0 20px; margin-top: 3px; }
.check-label span { min-width: 0; }
.honeypot { position: absolute !important; left: -10000px !important; width: 1px !important; height: 1px !important; overflow: hidden !important; }
dialog { border: 0; border-radius: 12px; padding: 0; max-width: min(520px, calc(100% - 28px)); box-shadow: 0 25px 70px var(--shadow-strong); }
dialog::backdrop { background: var(--shadow-strong); }
.dialog-body { padding: 20px; }
.legal-links { margin-top: 16px; text-align: center; font-size: .9rem; }
.legal-links a { color: var(--aqua-primary); }

@media (max-width: 760px) {
  .aqua-header { align-items: flex-start; flex-wrap: wrap; }
  .aqua-header .main-nav { margin-left: auto; }
  .nav-menu {
    position: fixed;
    top: calc(env(safe-area-inset-top) + 68px);
    right: max(10px, env(safe-area-inset-right));
    left: max(10px, env(safe-area-inset-left));
    width: auto;
    min-width: 0;
    max-height: calc(100dvh - env(safe-area-inset-top) - 82px);
    overflow-y: auto;
    border-radius: 12px;
  }
  .nav-link, .nav-action { min-height: 48px; padding: 12px 16px; font-size: 1rem; }
  .loginbar { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); width: 100%; margin-left: 0; }
  .loginbar input { width: 100%; min-width: 0; font-size: 16px; }
  .loginbar > button, .loginbar #meBox { grid-column: 1 / -1; width: 100%; }
  .aqua-shell {
    width: 100%;
    padding: max(10px, env(safe-area-inset-top)) max(9px, env(safe-area-inset-right)) max(28px, env(safe-area-inset-bottom)) max(9px, env(safe-area-inset-left));
  }
  .aqua-tabs {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    margin: 12px 0;
    gap: 8px;
  }
  .aqua-tab { min-height: 48px; padding: 10px 8px; border-radius: 9px; text-align: center; white-space: normal; }
  .aqua-grid, .form-grid { grid-template-columns: minmax(0, 1fr); }
  .aqua-card > header { align-items: stretch; }
  .aqua-card > header .btn { text-align: center; }
  .aqua-card > header .row-actions { width: 100%; }
  .aqua-card > header .row-actions > * { flex: 1 1 180px; }
  .aqua-card > header > select { width: 100%; }
  .table-scroll table:not([data-mobile-cards]) { min-width: 720px; }
  .attendance-person { align-items: flex-start; flex-wrap: wrap; }
  .attendance-person .btn { flex: 1 0 100%; min-height: 46px; }
  .attendance-toolbar { grid-template-columns: 1fr; }
  .quick-session-box { align-items: stretch; flex-direction: column; }
  .quick-session-box .btn { width: 100%; }
  .actions .btn { flex: 1 1 160px; }
  .public-card {
    width: auto;
    margin: max(9px, env(safe-area-inset-top)) max(9px, env(safe-area-inset-right)) max(18px, env(safe-area-inset-bottom)) max(9px, env(safe-area-inset-left));
  }
  .public-card header, .public-card .aqua-body { padding: 16px 14px; }
  .public-card header h1 { font-size: 1.45rem; }
  .course-description { line-height: 1.5; }
  .dialog-body { padding: 16px 14px; }
}

@media (max-width: 420px) {
  .aqua-header img { width: 42px; height: 42px; }
  .loginbar { grid-template-columns: 1fr; }
  .loginbar > button, .loginbar #meBox { grid-column: auto; }
  .row-actions > .btn, .actions > .btn { width: 100%; flex-basis: 100%; }
  .editor-toolbar button { min-width: 44px; min-height: 44px; }
}

@media (max-width: 768px) {
  table[data-mobile-cards] > #courseRows > tr,
  table[data-mobile-cards] > #registrationRows > tr { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); }
  #courseRows td:first-child, #courseRows td:nth-child(2), #courseRows td:last-child,
  #registrationRows td { grid-column: 1 / -1; }
  #registrationRows td:nth-child(4), #registrationRows td:nth-child(5) { grid-column: auto; }
  #courseRows td:first-child, #registrationRows td:first-child { font-size: 1rem; font-weight: 700; }
  #registrationRows .registration-details { font-weight: 400; }
  #registrationRows td:first-child::before, #courseRows td:first-child::before { display: none; }
  table[data-mobile-cards] td.row-actions { display: flex !important; flex-wrap: wrap; gap: 6px; }
  table[data-mobile-cards] td.row-actions::before { flex: 0 0 100%; margin-bottom: 0; }
  table[data-mobile-cards] td.row-actions .btn { width: auto; flex: 1 1 115px; margin: 0; font-size: .82rem; }
  table[data-mobile-cards] td.row-actions .btn.error { background: var(--surface); color: var(--aqua-error); border: 1px solid var(--tint-err); flex: 0 1 auto; }
}

/* Der Hinweis gehoert vor das Absenden, nicht danach: Wer sich anmeldet,
   soll vorher wissen, dass der Platz noch nicht sicher ist. */
.waitlist-notice {
  margin: 10px 0 0;
  padding: 10px 12px;
  border-radius: 10px;
  background: var(--tint-warn);
  color: var(--on-tint-warn);
  font-size: .92rem;
}