/* Konferenzplaner – Design im openDesk-Portal-Look (od.ap14.de).
   Eckige Kanten sind Vorgabe (kein border-radius), Brand #571efa. */
:root {
  --od-primary: #571efa;
  --od-primary-2: #7c3aed;
  --od-ink: #1d1d1f;
  --od-muted: #86868b;
  --od-canvas: #f5f5f7;
  --od-surface: #ffffff;
  --od-line: rgba(0, 0, 0, 0.08);
  --od-glow: rgba(87, 30, 250, 0.12);
}

*, *::before, *::after { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  max-width: 100%;
  overflow-x: hidden;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--od-ink);
  background:
    radial-gradient(1200px 600px at 80% -10%, rgba(87, 30, 250, 0.08), transparent 60%),
    radial-gradient(1000px 500px at -10% 110%, rgba(87, 30, 250, 0.06), transparent 60%),
    linear-gradient(180deg, #f7f6fb, var(--od-canvas));
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

::selection { background: rgba(87, 30, 250, 0.2); }
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-thumb { background: #b9b3d8; border-radius: 0; }
::-webkit-scrollbar-thumb:hover { background: var(--od-primary); }
::-webkit-scrollbar-track { background: transparent; }

a { color: var(--od-primary); }

/* ---------- Header ---------- */
.od-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid var(--od-line);
}
.od-header__inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0.75rem 1.5rem;
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}
.od-brand { display: flex; align-items: center; gap: 0.6rem; text-decoration: none; color: var(--od-ink); }
.od-brand__mark {
  width: 2rem; height: 2rem;
  display: grid; place-items: center;
  background: linear-gradient(135deg, var(--od-primary), var(--od-primary-2));
  color: #fff; font-weight: 700;
}
.od-brand__name { font-weight: 600; letter-spacing: 0.01em; }
.od-nav { display: flex; gap: 0.4rem; margin-left: auto; }
.od-user { display: flex; align-items: center; gap: 0.6rem; }
.od-user__chip {
  display: flex; align-items: center; gap: 0.5rem;
  padding: 0.3rem 0.7rem;
  background: var(--od-surface);
  border: 1px solid var(--od-line);
}
.od-user__avatar {
  width: 1.6rem; height: 1.6rem;
  display: grid; place-items: center;
  background: var(--od-primary); color: #fff;
  font-size: 0.7rem; font-weight: 700;
  text-transform: uppercase;
}
.od-user__name { font-size: 0.85rem; }
.od-user__logout { font-size: 0.8rem; color: var(--od-muted); text-decoration: none; }
.od-user__logout:hover { color: var(--od-primary); }
.od-user__placeholder { color: var(--od-muted); font-size: 0.85rem; }

/* ---------- Chips (Filter) ---------- */
.od-chip {
  border: 1px solid var(--od-line);
  background: var(--od-surface);
  color: var(--od-ink);
  padding: 0.4rem 0.9rem;
  font-size: 0.85rem;
  cursor: pointer;
}
.od-chip:hover { border-color: var(--od-primary); }
.od-chip.is-active {
  background: var(--od-primary);
  border-color: var(--od-primary);
  color: #fff;
}

/* ---------- Buttons ---------- */
.od-btn {
  border: 1px solid transparent;
  padding: 0.55rem 1.1rem;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
}
.od-btn--primary {
  background: linear-gradient(135deg, var(--od-primary), var(--od-primary-2));
  color: #fff;
}
.od-btn--primary:hover { filter: brightness(1.08); }
.od-btn--ghost { background: var(--od-surface); border-color: var(--od-line); color: var(--od-ink); }
.od-btn--ghost:hover { border-color: var(--od-primary); color: var(--od-primary); }
.od-btn:focus-visible, .od-chip:focus-visible, a:focus-visible, input:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--od-primary);
  outline-offset: 2px;
}

/* ---------- Main ---------- */
.od-main { max-width: 1100px; margin: 0 auto; padding: 2.5rem 1.5rem 4rem; }

.od-hero { margin-bottom: 2.5rem; }
.od-hero__label {
  margin: 0 0 0.4rem;
  font-size: 0.8rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--od-muted);
}
.od-hero__title { margin: 0 0 0.6rem; font-size: 2.4rem; font-weight: 700; letter-spacing: -0.02em; }
.od-hero__sub { margin: 0 0 1.4rem; color: #555; max-width: 42rem; line-height: 1.5; }
.od-hero__actions { display: flex; gap: 0.7rem; flex-wrap: wrap; }

/* ---------- Quellen ---------- */
.od-meta { margin-bottom: 2.5rem; }
.od-meta__title { font-size: 1rem; font-weight: 600; margin: 0 0 0.6rem; }
.od-meta__list { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.4rem; }
.od-meta__item {
  display: flex; align-items: center; gap: 0.6rem;
  font-size: 0.8rem; color: var(--od-muted);
  padding: 0.4rem 0.7rem;
  background: rgba(255, 255, 255, 0.6);
  border: 1px solid var(--od-line);
}
.od-meta__dot { width: 0.5rem; height: 0.5rem; flex: none; }
.od-meta__dot--ok { background: #22a06b; }
.od-meta__dot--err { background: #d1242f; }
.od-meta__dot--idle { background: #b9b3d8; }

/* ---------- Konferenz-Karten ---------- */
.od-confs { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 1.2rem; }
.od-empty { color: var(--od-muted); }

.od-card {
  display: flex; flex-direction: column;
  background: var(--od-surface);
  border: 1px solid var(--od-line);
  padding: 1.2rem;
  transition: box-shadow 0.15s ease, border-color 0.15s ease;
}
.od-card:hover { box-shadow: 0 20px 48px var(--od-glow); border-color: rgba(87, 30, 250, 0.35); }
.od-card__top { display: flex; align-items: center; gap: 0.5rem; margin-bottom: 0.6rem; }
.od-card__source {
  font-size: 0.7rem; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--od-muted);
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.od-card__dates {
  margin-left: auto; flex: none;
  font-size: 0.75rem; font-weight: 600;
  color: var(--od-primary);
  background: rgba(87, 30, 250, 0.08);
  padding: 0.25rem 0.5rem;
}
.od-card__title { margin: 0 0 0.3rem; font-size: 1.15rem; font-weight: 700; line-height: 1.25; }
.od-card__title a { color: var(--od-ink); text-decoration: none; }
.od-card__title a:hover { color: var(--od-primary); }
.od-card__loc { margin: 0 0 0.5rem; font-size: 0.85rem; color: var(--od-muted); }
.od-card__desc {
  margin: 0 0 1rem; font-size: 0.85rem; line-height: 1.45; color: #555;
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden;
}
.od-card__foot {
  margin-top: auto;
  display: flex; align-items: center; gap: 0.4rem;
  padding-top: 0.9rem;
  border-top: 1px solid var(--od-line);
}
.od-att {
  border: 1px solid var(--od-line);
  background: var(--od-surface);
  font-size: 0.8rem; font-weight: 600;
  padding: 0.35rem 0.7rem;
  cursor: pointer;
  color: var(--od-ink);
}
.od-att:hover { border-color: var(--od-primary); }
.od-att--on.od-att--dienstlich { background: var(--od-primary); border-color: var(--od-primary); color: #fff; }
.od-att--on.od-att--privat { background: var(--od-ink); border-color: var(--od-ink); color: #fff; }
.od-att__count { font-weight: 400; opacity: 0.75; }

/* ---------- Dialog ---------- */
.od-dialog {
  border: 1px solid var(--od-line);
  padding: 1.5rem;
  width: min(480px, 92vw);
  background: var(--od-surface);
  box-shadow: 0 24px 64px rgba(29, 29, 31, 0.18);
}
.od-dialog::backdrop { background: rgba(29, 29, 31, 0.4); }
.od-dialog h2 { margin: 0 0 1rem; font-size: 1.15rem; }
.od-dialog label { display: block; margin-bottom: 0.8rem; font-size: 0.8rem; color: var(--od-muted); }
.od-dialog input, .od-dialog textarea {
  display: block; width: 100%;
  margin-top: 0.25rem;
  border: 1px solid var(--od-line);
  background: var(--od-canvas);
  color: var(--od-ink);
  padding: 0.5rem 0.6rem;
  font: inherit;
}
.od-dialog input:focus, .od-dialog textarea:focus { border-color: var(--od-primary); outline: none; }
.od-dialog__row { display: grid; grid-template-columns: 1fr 1fr; gap: 0.8rem; }
.od-dialog__actions { display: flex; justify-content: flex-end; gap: 0.6rem; margin-top: 1rem; }

/* ---------- Toast ---------- */
.od-toast {
  position: fixed; bottom: 1.5rem; left: 50%; transform: translateX(-50%);
  background: var(--od-ink); color: #fff;
  padding: 0.6rem 1.2rem;
  font-size: 0.85rem;
  z-index: 100;
}
.od-toast--err { background: #d1242f; }

/* ---------- Mobile ---------- */
@media (max-width: 640px) {
  .od-header__inner { padding: 0.6rem 1rem; gap: 0.8rem; }
  .od-nav { order: 3; width: 100%; margin-left: 0; }
  .od-main { padding: 1.5rem 1rem 3rem; }
  .od-hero__title { font-size: 1.7rem; }
  .od-confs { grid-template-columns: 1fr; }
  .od-dialog__row { grid-template-columns: 1fr; }
}