/* ==================== EXPORT OVERLAY ==================== */
.exp-ov {
  position: fixed;
  inset: 0;
  background: var(--bg-overlay);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--duration-slow);
  gap: 8px;
  backdrop-filter: blur(4px)
}

.exp-ov.show {
  opacity: 1;
  pointer-events: all
}

.spinner {
  width: 30px;
  height: 30px;
  border: 3px solid var(--border-secondary);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: sp .7s linear infinite
}

@keyframes sp {
  to {
    transform: rotate(360deg)
  }
}

.exp-t {
  font-size: 10px;
  color: var(--fg-tertiary)
}

/* ==================== TOAST ==================== */
.toast {
  position: fixed;
  bottom: 18px;
  left: 50%;
  transform: translateX(-50%) translateY(50px) scale(.95);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  color: var(--fg-primary);
  padding: 7px 14px;
  border-radius: var(--radius-md);
  font-size: 10px;
  z-index: 2000;
  transition: transform var(--duration-slow) var(--ease-spring), opacity var(--duration-slow);
  box-shadow: var(--shadow-float);
  opacity: 0;
  backdrop-filter: blur(var(--glass-blur))
}

.toast.show {
  transform: translateX(-50%) translateY(0) scale(1);
  opacity: 1
}

/* ==================== NOISE / GRAIN OVERLAY ==================== */
.noise-overlay {
  position: absolute;
  inset: 0;
  z-index: 90;
  pointer-events: none;
  mix-blend-mode: overlay;
  opacity: .15;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-repeat: repeat;
  background-size: 128px 128px
}

/* ==================== VIGNETTE OVERLAY ==================== */
.vignette-overlay {
  position: absolute;
  inset: 0;
  z-index: 91;
  pointer-events: none;
  background: radial-gradient(ellipse at center, transparent 40%, rgba(0, 0, 0, .25) 100%)
}

/* ==================== SHAPE ELEMENTS ==================== */
.shape-el {
  position: absolute;
  z-index: 30;
  cursor: pointer;
  transition: outline var(--duration-fast);
  box-sizing: border-box
}

.shape-el:hover {
  outline: 1px dashed var(--accent-border)
}

.shape-el.sel {
  outline: 2px solid var(--accent)
}

/* ==================== ANIMATED BACKGROUND ==================== */
.ms.anim-bg {
  animation: bgShift 8s ease-in-out infinite alternate
}

@keyframes bgShift {
  0% {
    filter: hue-rotate(0deg) brightness(1)
  }

  50% {
    filter: hue-rotate(15deg) brightness(1.05)
  }

  100% {
    filter: hue-rotate(-10deg) brightness(.98)
  }
}

/* ==================== LABEL PRESETS ==================== */
.lbl-presets {
  display: flex;
  flex-wrap: wrap;
  gap: 3px;
  margin-top: 4px
}