/* ── Full-site background layer (behind all profile UI) ── */
.site-background {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  height: 100dvh;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
  contain: strict;
}

.site-background[hidden] {
  display: none !important;
}

.site-background__blur-stage {
  position: absolute;
  inset: -5%;
  width: 110%;
  height: 110%;
  transform: translateZ(0);
  will-change: filter;
  backface-visibility: hidden;
}

.site-background__blur-stage.is-blurred {
  filter: blur(var(--site-bg-blur, 12px));
}

.site-background__video,
.site-background__image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  opacity: 0;
  pointer-events: none;
}

.site-background__video.is-autoplay-pending,
.site-background__video.is-static-fallback {
  opacity: 0 !important;
  visibility: hidden !important;
}

.site-background__video.is-static-fallback {
  display: none !important;
}

.site-background__video::-webkit-media-controls,
.site-background__video::-webkit-media-controls-enclosure,
.site-background__video::-webkit-media-controls-panel,
.site-background__video::-webkit-media-controls-start-playback-button {
  display: none !important;
  -webkit-appearance: none;
  opacity: 0;
  pointer-events: none;
}

.site-background__video.is-ready,
.site-background__image.is-ready {
  opacity: 1;
}

.site-background__darkness {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, var(--site-bg-darkness, 0));
  pointer-events: none;
}

html[data-custom-site-bg="true"] .site-background {
  display: block;
}

html[data-custom-site-bg="true"] body {
  background: transparent;
}

@media (max-width: 768px) {
  html[data-custom-site-bg="true"][data-site-bg-type="video"] {
    background: #000;
  }

  html[data-custom-site-bg="true"][data-site-bg-type="video"] body {
    background: #000;
  }
}

/* ── Owner control button (matches gear + droplet) ── */
.site-background-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  background: rgba(0, 0, 0, 0.28);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  color: rgba(255, 255, 255, 0.72);
  font: inherit;
  cursor: pointer;
  transition:
    transform var(--transition),
    background var(--transition),
    box-shadow var(--transition),
    color var(--transition),
    border-color var(--transition);
}

.site-background-btn::before {
  content: "";
  position: absolute;
  inset: -10px;
}

.site-background-btn__icon {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  transition: color var(--theme-transition);
}

.site-background-btn:hover,
.site-background-btn:focus-visible {
  transform: scale(1.06);
  background: rgba(var(--accent-r), 0.14);
  border-color: var(--accent-border);
  color: var(--accent);
  box-shadow: 0 0 14px var(--accent-glow-soft);
  outline: none;
}

.site-background-btn[hidden] {
  display: none !important;
}

.profile-owner-controls .site-background-btn {
  position: static;
  top: auto;
  right: auto;
  left: auto;
}

/* ── Site Background editor modal ── */
.site-bg-overlay {
  position: fixed;
  inset: 0;
  z-index: 37;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 8vh 20px 20px;
  background: rgba(0, 0, 0, 0.55);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  overflow-y: auto;
}

.site-bg-overlay[hidden] {
  display: none !important;
}

.site-bg-modal {
  position: relative;
  width: min(420px, 100%);
  padding: 22px 20px 18px;
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(22, 22, 26, 0.96);
  box-shadow:
    0 24px 64px rgba(0, 0, 0, 0.45),
    inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.site-bg-modal__close {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 28px;
  height: 28px;
  border: none;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-secondary);
  font-size: 1.1rem;
  line-height: 1;
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
}

.site-bg-modal__close:hover,
.site-bg-modal__close:focus-visible {
  background: rgba(255, 255, 255, 0.12);
  color: var(--text-primary);
  outline: none;
}

.site-bg-modal__title {
  margin: 0 0 4px;
  font-size: 1.05rem;
  font-weight: 650;
  letter-spacing: -0.01em;
}

.site-bg-modal__subtitle {
  margin: 0 0 16px;
  font-size: 0.74rem;
  color: var(--text-secondary);
  line-height: 1.45;
}

.site-bg-type-tabs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  margin-bottom: 16px;
}

.site-bg-type-tab {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  min-height: 58px;
  padding: 8px 6px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-secondary);
  font: inherit;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  cursor: pointer;
  transition:
    border-color var(--transition),
    background var(--transition),
    color var(--transition),
    box-shadow var(--transition);
}

.site-bg-type-tab__icon {
  width: 18px;
  height: 18px;
  opacity: 0.85;
}

.site-bg-type-tab:hover,
.site-bg-type-tab:focus-visible {
  border-color: rgba(var(--accent-r), 0.35);
  color: var(--text-primary);
  outline: none;
}

.site-bg-type-tab.is-active {
  border-color: rgba(var(--accent-r), 0.55);
  background: rgba(var(--accent-r), 0.12);
  color: var(--accent);
  box-shadow: 0 0 16px rgba(var(--accent-r), 0.15);
}

.site-bg-type-tab--video.is-active {
  border-color: rgba(var(--accent-r), 0.65);
  box-shadow: 0 0 20px rgba(var(--accent-r), 0.22);
}

.site-bg-panel {
  display: none;
  flex-direction: column;
  gap: 14px;
}

.site-bg-panel.is-active {
  display: flex;
}

.site-bg-panel__hint {
  margin: 0;
  font-size: 0.72rem;
  color: var(--text-secondary);
  line-height: 1.45;
}

.site-bg-color-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.site-bg-color-row__label {
  flex: 1;
  font-size: 0.78rem;
  color: var(--text-primary);
}

.site-bg-color-input {
  width: 44px;
  height: 34px;
  padding: 2px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  background: rgba(0, 0, 0, 0.25);
  cursor: pointer;
}

.site-bg-color-input::-webkit-color-swatch-wrapper {
  padding: 2px;
}

.site-bg-color-input::-webkit-color-swatch {
  border: none;
  border-radius: 5px;
}

.site-bg-gradient-preview {
  height: 52px;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.site-bg-upload-zone {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 18px 14px;
  border: 1px dashed rgba(255, 255, 255, 0.14);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.02);
  text-align: center;
}

.site-bg-upload-zone__btn {
  padding: 8px 14px;
  border: 1px solid rgba(var(--accent-r), 0.35);
  border-radius: 999px;
  background: rgba(var(--accent-r), 0.1);
  color: var(--accent);
  font: inherit;
  font-size: 0.76rem;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition);
}

.site-bg-upload-zone__btn:hover,
.site-bg-upload-zone__btn:focus-visible {
  background: rgba(var(--accent-r), 0.18);
  border-color: rgba(var(--accent-r), 0.55);
  outline: none;
}

.site-bg-upload-zone__meta {
  margin: 0;
  font-size: 0.68rem;
  color: var(--text-secondary);
  line-height: 1.4;
}

.site-bg-upload-zone__filename {
  margin: 0;
  font-size: 0.72rem;
  color: var(--text-primary);
  word-break: break-all;
}

.site-bg-upload-zone__filename[hidden] {
  display: none;
}

.site-bg-upload-zone__input {
  display: none;
}

.site-bg-slider {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.site-bg-slider__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.site-bg-slider__label {
  font-size: 0.76rem;
  font-weight: 600;
  color: var(--text-primary);
}

.site-bg-slider__value {
  font-size: 0.72rem;
  color: var(--text-secondary);
  font-variant-numeric: tabular-nums;
}

.site-bg-slider__input {
  width: 100%;
  accent-color: var(--accent);
}

.site-bg-slider-group[hidden] {
  display: none !important;
}

.site-bg-modal__actions {
  display: flex;
  gap: 10px;
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.site-bg-modal__btn {
  flex: 1;
  padding: 10px 14px;
  border-radius: 10px;
  font: inherit;
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition), color var(--transition);
}

.site-bg-modal__btn--cancel {
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-secondary);
}

.site-bg-modal__btn--cancel:hover,
.site-bg-modal__btn--cancel:focus-visible {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-primary);
  outline: none;
}

.site-bg-modal__btn--save {
  border: 1px solid rgba(var(--accent-r), 0.45);
  background: rgba(var(--accent-r), 0.18);
  color: var(--accent);
}

.site-bg-modal__btn--save:hover:not(:disabled),
.site-bg-modal__btn--save:focus-visible:not(:disabled) {
  background: rgba(var(--accent-r), 0.28);
  outline: none;
}

.site-bg-modal__btn--save:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.site-bg-modal__message {
  margin: 10px 0 0;
  font-size: 0.72rem;
  color: var(--text-secondary);
  text-align: center;
}

.site-bg-modal__message.is-error {
  color: #ff8a8a;
}

.site-bg-modal__message[hidden] {
  display: none;
}

@media (max-width: 480px) {
  .profile-owner-controls .site-background-btn {
    width: 28px;
    height: 28px;
  }

  .site-bg-overlay {
    padding-top: 5vh;
  }

  .site-bg-type-tabs {
    gap: 6px;
  }

  .site-bg-type-tab {
    min-height: 52px;
    font-size: 0.62rem;
  }
}