:root {
  --glass-edge-intensity: .01;
  --glass-rim-intensity: .05;
  --glass-base-intensity: .01;
  --glass-edge-distance: .15;
  --glass-rim-distance: .8;
  --glass-base-distance: .1;
  --glass-corner-boost: .02;
  --glass-ripple: .1;
  --glass-blur: 5px;
  --glass-tint: .2;
  --glass-warp: 0;
  --glass-panel-opacity: 94%;
  --glass-accent-opacity: 5%;
  --glass-border-opacity: 84%;
  --glass-highlight-opacity: .32;
  --glass-edge-shadow-opacity: .03;
  --glass-base-shadow-opacity: .08;
  --glass-rim-shadow-opacity: .1;
  --glass-edge-offset: 1.5px;
  --glass-rim-offset: 10px;
  --glass-shadow-blur: 32px;
  --glass-saturation: 1.15;
  --glass-ripple-opacity: .08;
  --glass-warp-opacity: .5;
  --glass-radius: 16px;
  --glass-button-shadow-opacity: .08;
  --glass-button-highlight-opacity: .12;
  --sg-color-1: #4f46e5;
  --sg-color-2: #06b6d4;
  --sg-color-3: #f472b6;
  --sg-speed: .35;
  --sg-strength: 1.05;
  --sg-density: 1.1;
  --sg-frequency: 1.25;
  --sg-amplitude: .45;
  --sg-radial-opacity: 18%;
  --sg-gradient-size: 135%;
  --sg-duration: 42s;
  --sg-drift: 1.9%;
  --sg-scale: 1.08;
  --sg-blur: 28px;
}

/* Enhanced defaults: visible frosted glass while preserving readable surfaces and the active theme. */
:root {
  --glass-edge-intensity: .028;
  --glass-rim-intensity: .13;
  --glass-base-intensity: .02;
  --glass-edge-distance: .24;
  --glass-rim-distance: 1.2;
  --glass-base-distance: .17;
  --glass-corner-boost: .05;
  --glass-ripple: .28;
  --glass-blur: 11px;
  --glass-tint: .58;
  --glass-warp: 1;
  --glass-panel-opacity: 90%;
  --glass-accent-opacity: 10%;
  --glass-border-opacity: 86%;
  --glass-highlight-opacity: .465;
  --glass-edge-shadow-opacity: .014;
  --glass-base-shadow-opacity: .072;
  --glass-rim-shadow-opacity: .144;
  --glass-edge-offset: 1.8px;
  --glass-rim-offset: 11.4px;
  --glass-base-offset: 13.1px;
  --glass-shadow-blur: 46px;
  --glass-saturation: 1.42;
  --glass-ripple-opacity: .182;
  --glass-warp-opacity: .615;
  --glass-radius: 18px;
  --glass-button-shadow-opacity: .082;
  --glass-button-highlight-opacity: .172;
  --sg-color-1: #f14b85;
  --sg-color-2: #7054ed;
  --sg-color-3: #31bbcf;
  --sg-speed: .28;
  --sg-strength: 1.55;
  --sg-density: 1.1;
  --sg-frequency: 1.2;
  --sg-amplitude: .42;
  --sg-radial-opacity: 39%;
  --sg-gradient-size: 140%;
  --sg-duration: 53.6s;
  --sg-drift-x: 1.61%;
  --sg-drift-x-negative: -1.61%;
  --sg-drift-y: .81%;
  --sg-drift-y-negative: -.81%;
  --sg-scale: 1.074;
  --sg-scale-end: 1.099;
  --sg-blur: 36px;
}

body.shader-gradient-page {
  position: relative;
  isolation: isolate;
  min-height: 100vh;
  background: var(--bg, var(--page, #fff5f8)) !important;
}

body.shader-gradient-page::before {
  content: "";
  position: fixed;
  inset: -10%;
  z-index: -1;
  pointer-events: none;
  background: var(--bg, var(--page, #fff5f8));
  background:
    radial-gradient(circle at 18% 24%, color-mix(in srgb, var(--sg-color-1) var(--sg-radial-opacity), transparent), transparent 34%),
    radial-gradient(circle at 78% 28%, color-mix(in srgb, var(--sg-color-2) var(--sg-radial-opacity), transparent), transparent 36%),
    radial-gradient(circle at 52% 84%, color-mix(in srgb, var(--sg-color-3) var(--sg-radial-opacity), transparent), transparent 34%),
    linear-gradient(135deg, var(--bg, var(--page, #fff5f8)), var(--bg2, var(--page, var(--bg, #fff5f8))));
  background-size: var(--sg-gradient-size) var(--sg-gradient-size);
  filter: blur(var(--sg-blur)) saturate(1.08);
  opacity: .95;
  transform: scale(var(--sg-scale));
  animation: shaderGradientDrift var(--sg-duration) ease-in-out infinite alternate;
}

body.shader-gradient-page[data-shader-shape="sphere"]::before { border-radius: 50%; }
body.shader-gradient-page[data-shader-shape="waterPlane"]::before { border-radius: 38% 62% 52% 48%; transform: skewX(-6deg) scale(var(--sg-scale)); }
body.shader-gradient-page[data-shader-shape="plane"]::before { border-radius: 0; }
body.shader-gradient-page[data-shader-animate="off"]::before { animation: none; }

@keyframes shaderGradientDrift {
  from { transform: translate3d(var(--sg-drift-x-negative), var(--sg-drift-y-negative), 0) scale(var(--sg-scale)) rotate(-1deg); }
  to { transform: translate3d(var(--sg-drift-x), var(--sg-drift-y), 0) scale(var(--sg-scale-end)) rotate(1deg); }
}

.liquid-glass-surface {
  position: relative;
  isolation: isolate;
  background: var(--panel, #fff);
  background:
    linear-gradient(135deg,
      color-mix(in srgb, var(--sg-color-1, #4f46e5) var(--glass-accent-opacity), transparent),
      color-mix(in srgb, var(--sg-color-2, #06b6d4) var(--glass-accent-opacity), transparent)),
    color-mix(in srgb, var(--panel, #fff) var(--glass-panel-opacity), transparent);
  border-color: color-mix(in srgb, var(--line, #d7dce3) var(--glass-border-opacity), #fff);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, var(--glass-highlight-opacity)),
    inset 0 -1px 0 rgba(15, 23, 42, var(--glass-edge-shadow-opacity)),
    0 var(--glass-rim-offset) var(--glass-shadow-blur) rgba(25, 50, 90, var(--glass-base-shadow-opacity));
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturation));
  backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturation));
}

.liquid-glass-surface::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  border-radius: inherit;
  background: linear-gradient(115deg,
    rgba(255, 255, 255, var(--glass-ripple-opacity)),
    transparent 30% 70%,
    rgba(255, 255, 255, var(--glass-warp-opacity)));
  opacity: .78;
}

.liquid-glass-surface::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  border-radius: inherit;
  background: radial-gradient(circle at 12% 0%, rgba(255, 255, 255, var(--glass-ripple-opacity)), transparent 34%);
  mix-blend-mode: screen;
  opacity: var(--glass-warp-opacity);
}

.liquid-glass-button {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturation));
  backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturation));
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, var(--glass-highlight-opacity)),
    0 6px 18px rgba(25, 50, 90, var(--glass-button-shadow-opacity));
  transition: transform .18s ease, box-shadow .18s ease, filter .18s ease;
}

.liquid-glass-button::after {
  content: "";
  position: absolute;
  inset: 1px;
  border-radius: inherit;
  pointer-events: none;
  background: linear-gradient(120deg,
    rgba(255, 255, 255, var(--glass-button-highlight-opacity)),
    transparent 38% 65%,
    rgba(255, 255, 255, .04));
}

.liquid-glass-button:hover { transform: translateY(-1px); }
.liquid-glass-button:active { transform: translateY(0) scale(.99); }
.liquid-glass-button:focus-visible { outline: 3px solid var(--blue, #1d4ed8); outline-offset: 3px; }
.liquid-glass-button.liquid-glass-compact {
  min-width: 0;
  min-height: 30px;
  padding: 4px 7px;
  font-size: .78em;
  line-height: 1.2;
}

.liquid-glass-rounded { border-radius: var(--glass-radius, 16px); }
.liquid-glass-circle { aspect-ratio: 1; border-radius: 50%; }
.liquid-glass-pill { border-radius: 999px; }
.liquid-glass-color-control input[type="color"] { width: 42px; height: 30px; padding: 2px; border: 1px solid var(--line, #d7dce3); border-radius: 8px; background: transparent; cursor: pointer; }
.liquid-glass-section-title { margin: 18px 0 6px; padding-top: 12px; border-top: 1px solid color-mix(in srgb, var(--line, #d7dce3) 70%, transparent); font-size: .8em; }

#liquid-glass-toggle {
  position: fixed;
  right: 18px;
  bottom: 84px;
  z-index: 120;
  min-width: 46px;
  min-height: 46px;
  padding: 9px 12px;
  border: 1px solid color-mix(in srgb, var(--line, #d7dce3) 80%, #fff);
  border-radius: 999px;
  background: color-mix(in srgb, var(--panel, #fff) 90%, transparent);
  color: var(--ink, #202124);
  font: inherit;
  font-weight: 850;
  cursor: pointer;
}

#toolbarPanel #liquid-glass-toggle {
  position: relative;
  right: auto;
  bottom: auto;
  min-height: 36px;
  min-width: 38px;
  padding: 6px 10px;
  border-radius: 9px;
  font-size: .8em;
}

#toolbarPanel #liquid-glass-toggle { display: inline-flex; align-items: center; justify-content: center; }

#topbar, .app-topbar, .login-header {
  transition: transform .24s ease, opacity .24s ease, visibility 0s linear .24s;
  will-change: transform;
}
body.scroll-down #topbar:not(:focus-within),
body.scroll-down .app-topbar:not(:focus-within),
body.scroll-down .login-header:not(:focus-within) {
  transform: translateY(-110%);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}
body.scroll-up #topbar,
body.scroll-up .app-topbar,
body.scroll-up .login-header,
body:not(.scroll-down) #topbar,
body:not(.scroll-down) .app-topbar,
body:not(.scroll-down) .login-header,
body.scroll-down #topbar:focus-within,
body.scroll-down .app-topbar:focus-within,
body.scroll-down .login-header:focus-within {
  transform: translateY(0);
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transition-delay: 0s;
}

#liquid-glass-panel {
  position: fixed;
  right: 18px;
  bottom: 140px;
  z-index: 119;
  width: min(330px, calc(100vw - 28px));
  max-height: min(76vh, 680px);
  max-height: min(76dvh, 680px);
  overflow: auto;
  padding: 16px;
  border: 1px solid color-mix(in srgb, var(--line, #d7dce3) 80%, #fff);
  border-radius: 22px;
  background: var(--panel, #fff);
  background: color-mix(in srgb, var(--panel, #fff) 92%, transparent);
  color: var(--ink, #202124);
  box-shadow: 0 24px 70px rgba(25, 50, 90, .2);
  -webkit-backdrop-filter: blur(24px) saturate(1.3);
  backdrop-filter: blur(24px) saturate(1.3);
}

#liquid-glass-panel[hidden] { display: none; }
#liquid-glass-panel h2 { margin: 0; font-size: 1em; }
#liquid-glass-panel p { margin: 3px 0 12px; color: var(--ink2, #4b5563); font-size: .75em; }
.liquid-glass-panel-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.liquid-glass-panel-close { width: 36px; min-height: 36px; border: 1px solid var(--line, #d7dce3); border-radius: 10px; background: var(--bg2, var(--panel, #fff)); color: var(--ink, #202124); font-size: 1.2em; cursor: pointer; }
.liquid-glass-control { margin: 9px 0; }
.liquid-glass-control label { display: flex; align-items: center; justify-content: space-between; gap: 10px; font-size: .78em; font-weight: 800; }
.liquid-glass-control output { color: var(--blue, #1d4ed8); font-variant-numeric: tabular-nums; }
.liquid-glass-control input[type="range"] { width: 100%; accent-color: var(--blue, #1d4ed8); }
.liquid-glass-check { display: flex !important; justify-content: flex-start !important; font-size: .8em !important; }
.liquid-glass-check input { accent-color: var(--blue, #1d4ed8); }
.liquid-glass-control select { width: 100%; min-height: 36px; border: 1px solid var(--line, #d7dce3); border-radius: 9px; padding: 6px 8px; background: var(--bg2, var(--panel, #fff)); color: var(--ink, #202124); font: inherit; }
#liquid-glass-randomize { width: 100%; min-height: 40px; margin-top: 10px; border: 1px solid var(--line, #d7dce3); border-radius: 12px; background: var(--blue, #1d4ed8); color: var(--on-fill, #fff); font: inherit; font-size: .82em; font-weight: 850; cursor: pointer; }

@media (max-width: 560px) {
  #liquid-glass-toggle { right: 12px; bottom: 78px; }
  #toolbarPanel #liquid-glass-toggle { position: relative; right: auto; bottom: auto; }
  #liquid-glass-panel { right: 12px; bottom: 132px; width: min(330px, calc(100vw - 24px)); max-height: 72vh; max-height: 72dvh; padding: 13px; }
  body.shader-gradient-page::before { inset: -6%; filter: blur(22px) saturate(1.1); }
}

@media (prefers-reduced-motion: reduce) {
  body.shader-gradient-page::before { animation: none !important; }
  .liquid-glass-button { transition: none; }
  .liquid-glass-button:hover, .liquid-glass-button:active { transform: none; }
  #topbar, .app-topbar, .login-header { transition: none; }
}

/* Keep existing button foreground/background pairs intact while adding a glass rim. */
.liquid-glass-button::after {
  background: linear-gradient(112deg,
    rgba(255, 255, 255, .02) 8%,
    rgba(255, 255, 255, var(--glass-button-highlight-opacity, .16)) 34%,
    rgba(255, 255, 255, .025) 58%,
    rgba(255, 255, 255, .12) 100%);
  background-size: 220% 100%;
  background-position: 100% 0;
  border: 1px solid rgba(255, 255, 255, .24);
  transition: background-position .45s ease, border-color .2s ease;
}

@media (hover: hover) and (prefers-reduced-motion: no-preference) {
  .liquid-glass-button:hover::after { background-position: -20% 0; border-color: rgba(255, 255, 255, .46); }
}

@media (max-width: 560px) {
  body.shader-gradient-page::before { filter: blur(22px) saturate(1.1); }
}

@media (prefers-reduced-transparency: reduce) {
  .liquid-glass-surface, #liquid-glass-panel, #liquid-glass-toggle {
    background: var(--panel, #fff) !important;
    -webkit-backdrop-filter: none !important;
    backdrop-filter: none !important;
  }
  body.shader-gradient-page::before { opacity: .32; filter: none; animation: none !important; }
}

@media (prefers-reduced-motion: reduce) {
  .liquid-glass-surface, .liquid-glass-button, .liquid-glass-button::after { transition: none !important; }
  .liquid-glass-button::after { background-position: 100% 0; }
}

.liquid-glass-surface {
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, var(--glass-rim-shadow-opacity, .06)),
    inset var(--glass-edge-offset, 1px) 0 0 rgba(15, 23, 42, var(--glass-edge-shadow-opacity, .03)),
    0 var(--glass-rim-offset, 10px) var(--glass-shadow-blur, 28px) rgba(25, 50, 90, var(--glass-rim-shadow-opacity, .06)),
    0 var(--glass-base-offset, 9px) var(--glass-shadow-blur, 28px) rgba(25, 50, 90, var(--glass-base-shadow-opacity, .08));
}