/* ============================================================
   Popup – zentrales, modernes Modal-System
   Verwendet CSS-Variablen aus dem jeweiligen Theme (theme.css / master.css).
   ============================================================ */
.popup-backdrop {
  position: fixed; inset: 0;
  background: color-mix(in srgb, #000 65%, transparent);
  backdrop-filter: blur(6px);
  display: grid; place-items: center;
  z-index: 950;
  padding: 1rem;
  animation: popup-backdrop-in .18s ease;
}
.popup-backdrop.is-closing { animation: popup-backdrop-out .16s ease forwards; }
@keyframes popup-backdrop-in { from { opacity: 0; } to { opacity: 1; } }
@keyframes popup-backdrop-out { to { opacity: 0; } }

.popup {
  width: min(620px, 100%);
  max-height: 92vh;
  display: flex; flex-direction: column;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 18px;
  box-shadow:
    0 24px 70px rgba(0, 0, 0, .55),
    0 2px 10px rgba(0, 0, 0, .3),
    inset 0 1px 0 color-mix(in srgb, var(--fg) 8%, transparent);
  overflow: hidden;
  animation: popup-in .24s cubic-bezier(.2, .9, .25, 1.1);
}
@keyframes popup-in {
  from { transform: translateY(20px) scale(.96); opacity: 0; }
  to   { transform: none; opacity: 1; }
}
.popup-backdrop.is-closing .popup {
  animation: popup-out .16s ease forwards;
}
@keyframes popup-out {
  to { transform: translateY(8px) scale(.98); opacity: 0; }
}

/* ---------- Fullscreen ---------- */
.popup--fullscreen {
  width: 100vw;
  max-width: 100vw;
  height: 100vh;
  max-height: 100vh;
  border-radius: 0;
}

/* ---------- Header ---------- */
.popup-header {
  position: relative;
  display: flex; align-items: flex-start; gap: .75rem;
  padding: 1.5rem 1.4rem 1.1rem;
  border-bottom: 1px solid var(--border);
  background:
    radial-gradient(120% 140% at 100% 0%,
      color-mix(in srgb, var(--popup-accent, var(--accent)) 18%, transparent) 0%,
      transparent 55%),
    var(--bg-elev);
  transition: background .25s ease;
}
.popup-header-accent {
  position: absolute; top: 0; left: 0; right: 0; height: 4px;
  background: var(--popup-accent, var(--accent));
  box-shadow: 0 0 20px color-mix(in srgb, var(--popup-accent, var(--accent)) 70%, transparent);
  transition: background .2s ease;
}
.popup-title-wrap { flex: 1; min-width: 0; }
.popup-kicker {
  font-size: .72rem; font-weight: 700; letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--fg-muted);
  margin-bottom: .35rem;
  display: flex; align-items: center;
}
.popup-title {
  font-size: clamp(1.25rem, 2.2vw, 1.65rem);
  font-weight: 700; color: var(--fg);
  margin: 0;
}
.popup-close {
  flex-shrink: 0;
  width: 36px; height: 36px;
  border-radius: 50%;
  background: color-mix(in srgb, var(--fg) 6%, transparent);
  border: 1px solid var(--border);
  color: var(--fg-muted);
  cursor: pointer;
  display: grid; place-items: center;
  transition: background .15s, color .15s, transform .1s;
  font-size: 1rem;
}
.popup-close:hover {
  background: color-mix(in srgb, var(--danger) 18%, transparent);
  color: var(--danger); border-color: var(--danger);
}
.popup-close:active { transform: scale(.92); }

/* ---------- Body + Sections ---------- */
.popup-body {
  padding: 1rem 1.4rem 1.2rem;
  overflow-y: auto;
  display: flex; flex-direction: column; gap: 1rem;
}

.popup-section {
  border: 1px solid var(--border);
  border-radius: 12px;
  background: color-mix(in srgb, var(--bg-elev-2) 60%, transparent);
  overflow: hidden;
}
.popup-section-head {
  display: flex; align-items: center; gap: .55rem;
  padding: .55rem .85rem;
  font-size: .78rem; font-weight: 600;
  color: var(--fg-muted);
  text-transform: uppercase; letter-spacing: .05em;
  border-bottom: 1px solid var(--border);
  background: color-mix(in srgb, var(--bg-elev) 40%, transparent);
}
.popup-section-head i { color: var(--accent); }
.popup-section-body { padding: .9rem .85rem; display: flex; flex-direction: column; gap: .65rem; }

/* ---------- Footer ---------- */
.popup-footer {
  display: flex; align-items: center; justify-content: space-between;
  gap: .65rem; padding: 1rem 1.4rem;
  border-top: 1px solid var(--border);
  background: color-mix(in srgb, var(--bg-elev-2) 40%, transparent);
}
.popup-footer:empty { display: none; }
.popup-footer-right { display: flex; gap: .5rem; margin-left: auto; }

/* ---------- Responsive ---------- */
@media (max-width: 520px) {
  .popup { border-radius: 14px; max-height: 96vh; }
  .popup-header { padding: 1.1rem 1rem .85rem; }
  .popup-body { padding: .75rem 1rem 1rem; gap: .75rem; }
  .popup-footer { padding: .75rem 1rem; flex-wrap: wrap; }
  .popup-footer-right { width: 100%; justify-content: flex-end; }
}