.campaign-visual-shell {
  box-sizing: border-box;
}

.campaign-visual-shell.is-runtime {
  position: fixed;
  inset: 0;
  z-index: 1800;
  display: grid;
  place-items: center;
  padding: 18px;
  background: rgba(2, 6, 23, 0.78);
  backdrop-filter: blur(8px);
}

.campaign-visual-shell[hidden] {
  display: none !important;
}

.campaign-visual-frame {
  container-type: inline-size;
  position: relative;
  width: min(960px, calc(100vw - 36px), calc((100vh - 36px) * 2));
  max-width: 100%;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: clamp(12px, 1.8vw, 24px);
  background: #0f172a;
  box-shadow: 0 28px 80px rgba(0, 0, 0, 0.55);
  isolation: isolate;
}

.is-preview .campaign-visual-frame {
  width: 100%;
  box-shadow: 0 18px 45px rgba(0, 0, 0, 0.3);
}

.campaign-visual-image,
.campaign-visual-fallback {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.campaign-visual-image {
  display: block;
  object-fit: cover;
}

.campaign-visual-fallback {
  display: grid;
  place-items: center;
  padding: 16%;
  color: #cbd5e1;
  text-align: center;
  font: 700 clamp(12px, 1.7vw, 22px)/1.35 system-ui, sans-serif;
  background: linear-gradient(135deg, #111827, #1e293b);
}

.campaign-visual-close,
.campaign-visual-countdown,
.campaign-visual-cta {
  position: absolute;
  z-index: 2;
  box-sizing: border-box;
}

.campaign-visual-close {
  display: grid;
  place-items: center;
  min-width: 28px;
  min-height: 28px;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: 50%;
  color: #fff;
  font: 800 clamp(18px, 2.4vw, 30px)/1 system-ui, sans-serif;
  background: rgba(15, 23, 42, 0.82);
  cursor: pointer;
  transition: transform 0.15s ease, background 0.15s ease;
}

.campaign-visual-close:hover,
.campaign-visual-close:focus-visible {
  transform: scale(1.08);
  background: #dc2626;
}

.campaign-visual-countdown {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 1.5%;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 999px;
  color: #fff;
  font: 800 clamp(10px, 2.2vw, 28px)/1 ui-monospace, SFMono-Regular, Consolas, monospace;
  letter-spacing: 0.05em;
  white-space: nowrap;
  background: rgba(2, 6, 23, 0.78);
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.65);
}

.campaign-visual-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 34px;
  padding: 0 2.5%;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 999px;
  color: #fff;
  font: 800 clamp(10px, 1.8vw, 22px)/1.05 system-ui, sans-serif;
  text-align: center;
  text-overflow: ellipsis;
  white-space: nowrap;
  background: linear-gradient(135deg, #2563eb, #7c3aed);
  box-shadow: 0 10px 24px rgba(37, 99, 235, 0.35);
  cursor: pointer;
  transition: transform 0.15s ease, filter 0.15s ease;
}

.campaign-visual-cta.is-text-long {
  padding-inline: 2%;
  color: #fff;
  font-size: clamp(6px, 1.25cqw, 12px);
  line-height: 1.05;
  overflow-wrap: anywhere;
  text-overflow: clip;
  white-space: normal;
}

.campaign-visual-cta:hover,
.campaign-visual-cta:focus-visible {
  filter: brightness(1.12);
  transform: translateY(-1px);
}

.campaign-visual-cta:active {
  transform: translateY(1px);
}

.campaign-visual-close:focus-visible,
.campaign-visual-cta:focus-visible {
  outline: 3px solid #f8fafc;
  outline-offset: 3px;
}

body.campaign-modal-open {
  overflow: hidden;
}

@media (max-height: 520px) and (orientation: landscape) {
  .campaign-visual-shell.is-runtime { padding: 8px; }
  .campaign-visual-frame { width: min(calc(100vw - 16px), calc((100vh - 16px) * 2)); }
}