flaccy 1.5.0

/* Flaccy for Linux — theme engine stylesheet.
   The flaccy_* and accent/*_bg_color named colors are redefined at runtime by
   theme.rs (adaptive album-art accent + presets); every rule below keys off
   those tokens so the whole app retints live. */

/* ---- ambient window wash ------------------------------------------------ */
/* Radial accent glow pooling from the corners over the tinted window base;
   shows through the transparent library grids. Cross-fades on palette change. */
.flaccy-window {
  background-image:
    radial-gradient(circle at 14% 6%, alpha(@flaccy_wash_a, 0.40), transparent 44%),
    radial-gradient(circle at 86% 2%, alpha(@flaccy_wash_b, 0.34), transparent 48%),
    radial-gradient(circle at 50% 118%, alpha(@flaccy_accent, 0.26), transparent 56%);
  transition: background-image 600ms ease, background-color 600ms ease;
}

/* ---- cover art ---------------------------------------------------------- */
.cover {
  border-radius: 10px;
  box-shadow: 0 1px 4px alpha(#000, 0.28), 0 4px 16px alpha(#000, 0.16);
}

.cover-large {
  border-radius: 14px;
  box-shadow:
    0 2px 10px alpha(#000, 0.30),
    0 12px 40px alpha(#000, 0.22),
    0 0 0 1px alpha(#fff, 0.05) inset;
}

.album-title {
  font-weight: 600;
}

.dim {
  opacity: 0.55;
}

.dim-more {
  opacity: 0.35;
}

/* ---- badges & chips ----------------------------------------------------- */
.quality-badge {
  background-image: linear-gradient(160deg, alpha(@accent_bg_color, 0.22), alpha(@accent_bg_color, 0.10));
  box-shadow: inset 0 0 0 1px alpha(@accent_bg_color, 0.30);
  color: @accent_color;
  border-radius: 6px;
  padding: 1px 7px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.loved-heart {
  color: #ff476b;
  -gtk-icon-shadow: 0 0 10px alpha(#ff476b, 0.55);
}

.genre-chip {
  background-color: alpha(@window_fg_color, 0.08);
  box-shadow: inset 0 0 0 1px alpha(@window_fg_color, 0.08);
  border-radius: 9999px;
  padding: 3px 12px;
  font-size: 11px;
  font-weight: 700;
  transition: background-color 160ms ease, box-shadow 160ms ease;
}

.genre-chip:hover {
  background-color: alpha(@accent_bg_color, 0.16);
  box-shadow: inset 0 0 0 1px alpha(@accent_bg_color, 0.35);
}

.chip {
  padding: 2px 12px;
  font-size: 12px;
}

.wantlist-badge {
  background-image: linear-gradient(160deg, @accent_bg_color, mix(@accent_bg_color, #000, 0.18));
  color: @accent_fg_color;
  border-radius: 9999px;
  padding: 1px 8px;
  font-size: 11px;
  font-weight: 700;
  box-shadow: 0 2px 8px alpha(@accent_bg_color, 0.45);
}

/* ---- transport bar ------------------------------------------------------ */
.transport {
  padding: 10px 16px;
  background-image:
    linear-gradient(180deg, alpha(@flaccy_accent, 0.10), transparent 62%),
    linear-gradient(180deg, alpha(#fff, 0.03), transparent 8%);
  box-shadow:
    0 -1px 0 0 alpha(@window_fg_color, 0.07),
    0 -10px 30px alpha(#000, 0.18);
  transition: background-image 600ms ease;
}

.transport-title {
  font-weight: 600;
}

.track-number {
  font-variant-numeric: tabular-nums;
  opacity: 0.45;
}

.disc-header {
  margin-bottom: 2px;
}

.disc-header-icon {
  color: @accent_color;
  opacity: 0.9;
}

.disc-header-label {
  font-weight: 800;
  font-size: 12px;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: @accent_color;
}

.disc-header-meta {
  font-variant-numeric: tabular-nums;
  font-size: 11px;
  letter-spacing: 0.02em;
  opacity: 0.5;
}

.duration-label {
  font-variant-numeric: tabular-nums;
  opacity: 0.55;
}

.time-label {
  font-variant-numeric: tabular-nums;
  font-size: 11px;
  opacity: 0.6;
}

/* Glowing accent play pill; pulses only while playing to avoid idle repaint. */
.play-pill {
  border-radius: 9999px;
  min-width: 46px;
  min-height: 46px;
  box-shadow: 0 4px 14px alpha(@accent_bg_color, 0.42);
  transition: box-shadow 220ms ease, transform 150ms ease;
}

.play-pill:hover {
  transform: scale(1.06);
  box-shadow: 0 6px 22px alpha(@accent_bg_color, 0.62);
}

.play-pill:active {
  transform: scale(0.95);
}

.transport.playing .play-pill {
  animation: play-pulse 2.6s ease-in-out infinite;
}

@keyframes play-pulse {
  0%, 100% { box-shadow: 0 4px 14px alpha(@accent_bg_color, 0.38); }
  50%      { box-shadow: 0 5px 24px alpha(@accent_bg_color, 0.78); }
}

/* Accent-filled seek + volume sliders with a soft glow on the filled portion. */
.transport scale > trough {
  min-height: 5px;
  border-radius: 9999px;
  background-color: alpha(@window_fg_color, 0.14);
}

.transport scale > trough > highlight {
  border-radius: 9999px;
  background-image: linear-gradient(90deg, alpha(@accent_bg_color, 0.85), @accent_bg_color);
  box-shadow: 0 0 10px alpha(@accent_bg_color, 0.5);
}

.transport scale > trough > slider {
  min-width: 13px;
  min-height: 13px;
  border-radius: 9999px;
  background-color: #ffffff;
  box-shadow: 0 1px 4px alpha(#000, 0.4), 0 0 0 1px alpha(@accent_bg_color, 0.3);
  transition: transform 120ms ease;
}

.transport scale:hover > trough > slider {
  transform: scale(1.12);
}

/* Now-playing equalizer overlaid on the mini artwork. */
.equalizer {
  background-color: alpha(#000, 0.42);
  border-radius: 8px 0 8px 0;
  padding: 4px 5px 3px 5px;
  min-height: 18px;
}

.eq-bar {
  min-width: 3px;
  min-height: 12px;
  border-radius: 2px;
  background-color: #ffffff;
  transform: scaleY(0.35);
  transform-origin: bottom center;
}

.transport.playing .equalizer .eq-bar {
  animation: eq-bounce 820ms ease-in-out infinite alternate;
}

.transport.playing .equalizer .eq-bar:nth-child(1) { animation-delay: 0ms; }
.transport.playing .equalizer .eq-bar:nth-child(2) { animation-delay: 260ms; }
.transport.playing .equalizer .eq-bar:nth-child(3) { animation-delay: 130ms; }

@keyframes eq-bounce {
  from { transform: scaleY(0.28); }
  to   { transform: scaleY(1.0); }
}

/* ---- sidebar ------------------------------------------------------------ */
.navigation-sidebar {
  background-color: transparent;
  padding: 6px 4px;
}

.navigation-sidebar > row {
  border-radius: 11px;
  margin: 1px 6px;
  transition: background-color 160ms ease, box-shadow 200ms ease;
}

.navigation-sidebar > row:hover {
  background-color: alpha(@window_fg_color, 0.06);
}

.navigation-sidebar > row:selected {
  background-image: linear-gradient(120deg, alpha(@accent_bg_color, 0.30), alpha(@accent_bg_color, 0.14));
  box-shadow:
    inset 0 0 0 1px alpha(@accent_bg_color, 0.34),
    0 3px 12px alpha(@accent_bg_color, 0.22);
  color: @accent_color;
}

.navigation-sidebar > row:selected image {
  color: @accent_color;
}

/* ---- transparent library surfaces --------------------------------------- */
/* The ambient .flaccy-window wash is meant to show through the library grids
   and side panels. GTK's default view/sidebar backgrounds are opaque and swap
   to a dimmed variant under :backdrop (unfocused window) — that shift is what
   reads as a stray color behind the queue, lyrics, and albums. Force these
   surfaces transparent in both focused and backdrop states so only the wash
   shows. Cards with their own explicit fills (stat-tile, guide-card, …) set
   background-color directly and are unaffected. */
.album-grid,
.album-grid:backdrop,
.side-panel,
.side-panel:backdrop,
.side-panel scrolledwindow,
.side-panel scrolledwindow:backdrop,
.side-panel viewport,
.side-panel list,
.side-panel list:backdrop,
overlay-split-view > .sidebar-pane,
overlay-split-view > .sidebar-pane:backdrop {
  background: none;
  background-color: transparent;
}

/* ---- lyrics ------------------------------------------------------------- */
.lyric-line {
  font-size: 16px;
  font-weight: 600;
  opacity: 0.35;
  padding: 6px 4px;
  transition: opacity 240ms ease, color 240ms ease;
}

.lyric-line-current {
  font-size: 16px;
  font-weight: 700;
  opacity: 1.0;
  padding: 6px 4px;
  color: @accent_color;
  text-shadow: 0 0 16px alpha(@accent_bg_color, 0.4);
  transition: opacity 240ms ease, color 240ms ease;
}

/* ---- stats -------------------------------------------------------------- */
.stat-value {
  font-size: 30px;
  font-weight: 800;
}

.stat-caption {
  font-size: 11px;
  font-weight: 700;
  opacity: 0.5;
  letter-spacing: 0.08em;
}

.stat-tile {
  background-color: alpha(@flaccy_surface, 0.55);
  background-image: linear-gradient(160deg, alpha(#fff, 0.06), transparent 46%);
  box-shadow:
    inset 0 0 0 1px alpha(#fff, 0.06),
    0 1px 3px alpha(#000, 0.2),
    0 8px 26px alpha(#000, 0.14);
  border-radius: 16px;
  padding: 16px 20px;
  transition: box-shadow 220ms ease;
}

.stat-tile:hover {
  box-shadow:
    inset 0 0 0 1px alpha(@accent_bg_color, 0.22),
    0 2px 6px alpha(#000, 0.24),
    0 12px 34px alpha(@accent_bg_color, 0.14);
}

.top-list-rank {
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  opacity: 0.4;
}

/* ---- accents & toggles -------------------------------------------------- */
.accent-toggle {
  color: @accent_color;
}

/* ---- library tiles ------------------------------------------------------ */
.album-grid > child {
  padding: 12px 9px;
  background: none;
}

.album-grid > child:hover,
.album-grid > child:selected {
  background: none;
}

.album-tile {
  border-radius: 14px;
  padding: 8px;
  transition: background-color 180ms ease, box-shadow 240ms ease, transform 180ms ease;
}

.album-tile:hover {
  background-color: alpha(@window_fg_color, 0.06);
  box-shadow: 0 12px 34px alpha(#000, 0.24), 0 0 0 1px alpha(@accent_bg_color, 0.16);
  transform: translateY(-3px);
}

/* ---- made-for-you / suggested cards ------------------------------------- */
.suggested-card {
  background-color: alpha(@flaccy_surface, 0.5);
  background-image: linear-gradient(150deg, alpha(@accent_bg_color, 0.12), transparent 55%);
  box-shadow:
    inset 0 0 0 1px alpha(#fff, 0.06),
    0 2px 6px alpha(#000, 0.18),
    0 10px 30px alpha(#000, 0.14);
  border-radius: 16px;
  padding: 12px 14px;
  transition: box-shadow 220ms ease, transform 180ms ease;
}

.suggested-card:hover {
  box-shadow:
    inset 0 0 0 1px alpha(@accent_bg_color, 0.28),
    0 4px 10px alpha(#000, 0.22),
    0 16px 40px alpha(@accent_bg_color, 0.16);
  transform: translateY(-2px);
}

/* ---- queue -------------------------------------------------------------- */
.queue-history-row {
  opacity: 0.45;
}

.queue-current-row {
  background-image: linear-gradient(120deg, alpha(@accent_bg_color, 0.20), alpha(@accent_bg_color, 0.08));
  box-shadow: inset 0 0 0 1px alpha(@accent_bg_color, 0.24);
  border-radius: 12px;
}

/* ---- guide -------------------------------------------------------------- */
.guide-card {
  background-color: alpha(@flaccy_surface, 0.45);
  background-image: linear-gradient(160deg, alpha(#fff, 0.05), transparent 44%);
  box-shadow:
    inset 0 0 0 1px alpha(#fff, 0.05),
    0 6px 24px alpha(#000, 0.14);
  border-radius: 16px;
  padding: 16px 18px;
}

.guide-takeaway {
  background-image: linear-gradient(120deg, alpha(@accent_bg_color, 0.20), alpha(@accent_bg_color, 0.10));
  box-shadow: inset 0 0 0 1px alpha(@accent_bg_color, 0.26);
  border-radius: 12px;
  padding: 10px 12px;
  font-weight: 600;
}

/* ---- year in music ------------------------------------------------------ */
.yim-value {
  font-size: 22px;
  font-weight: 800;
}

/* ---- pill buttons ------------------------------------------------------- */
button.pill.suggested-action {
  box-shadow: 0 4px 14px alpha(@accent_bg_color, 0.4);
  transition: box-shadow 200ms ease, transform 150ms ease;
}

button.pill.suggested-action:hover {
  box-shadow: 0 6px 22px alpha(@accent_bg_color, 0.6);
  transform: translateY(-1px);
}

button.pill.suggested-action:active {
  transform: translateY(0);
}

/* ---- now playing (focus player) ----------------------------------------- */
/* Blurred, scaled cover fills the page; the scrim keeps text legible and adds
   an accent wash. filter: blur renders once per track (static), so it's cheap. */
.np-backdrop {
  filter: blur(64px);
  opacity: 0.55;
  transform: scale(1.25);
}

.np-scrim {
  background-image:
    radial-gradient(circle at 50% 22%, alpha(@flaccy_accent, 0.20), transparent 55%),
    linear-gradient(180deg, alpha(@window_bg_color, 0.55), alpha(@window_bg_color, 0.86) 70%);
}

.np-art {
  border-radius: 20px;
  box-shadow:
    0 2px 10px alpha(#000, 0.35),
    0 24px 70px alpha(#000, 0.5),
    0 0 0 1px alpha(#fff, 0.06) inset;
}

.np-title {
  font-size: 30px;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.np-artist {
  font-size: 17px;
  font-weight: 600;
  color: @accent_color;
}

.np-meta {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.np-play {
  min-width: 68px;
  min-height: 68px;
  box-shadow: 0 6px 22px alpha(@accent_bg_color, 0.5);
  transition: box-shadow 220ms ease, transform 150ms ease;
}

.np-play:hover {
  transform: scale(1.05);
  box-shadow: 0 8px 30px alpha(@accent_bg_color, 0.7);
}

.np-play:active {
  transform: scale(0.96);
}

.np-skip {
  min-width: 44px;
  min-height: 44px;
}

.np-skip image {
  -gtk-icon-size: 22px;
}

.np-seek > trough {
  min-height: 6px;
  border-radius: 9999px;
  background-color: alpha(@window_fg_color, 0.18);
}

.np-seek > trough > highlight {
  border-radius: 9999px;
  background-image: linear-gradient(90deg, alpha(@accent_bg_color, 0.85), @accent_bg_color);
  box-shadow: 0 0 12px alpha(@accent_bg_color, 0.55);
}

.np-seek > trough > slider {
  min-width: 15px;
  min-height: 15px;
  border-radius: 9999px;
  background-color: #ffffff;
  box-shadow: 0 1px 5px alpha(#000, 0.45), 0 0 0 1px alpha(@accent_bg_color, 0.35);
}

/* ---- now playing: in-view lenses (Player / Lyrics / Up Next) ------------ */
/* The blurred wash is the outermost layer; the ToolbarView (header + switched
   ViewStack + persistent transport dock) floats over it fully transparent so
   the cover bleeds behind every lens. */
.np-toolbar,
.np-viewstack,
.np-view {
  background: none;
  background-color: transparent;
}

.np-view scrolledwindow,
.np-view viewport,
.np-view list {
  background: none;
  background-color: transparent;
}

/* Lyrics / Up Next columns beside the hero art — glass panels floating over
   the wash, revealed by the header toggles. */
.np-side {
  background-color: alpha(@window_bg_color, 0.44);
  border-radius: 18px;
  margin: 12px 8px 12px 8px;
  box-shadow:
    inset 0 0 0 1px alpha(#fff, 0.06),
    0 12px 40px alpha(#000, 0.28);
}

/* Header pill toggles that reveal the side columns; light up in the accent
   when their column is showing. */
.np-toggle {
  border-radius: 9999px;
  padding: 3px 14px;
  transition: background-color 160ms ease, box-shadow 200ms ease;
}

.np-toggle:checked {
  background-color: alpha(@accent_bg_color, 0.85);
  color: @accent_fg_color;
  box-shadow: 0 2px 10px alpha(@accent_bg_color, 0.4);
}

/* Persistent transport dock — a frosted bar; the ToolbarView reserves its
   height so the queue's last row is never occluded. */
.np-transport {
  background-color: alpha(@window_bg_color, 0.72);
  border-top: 1px solid alpha(@window_fg_color, 0.08);
  padding: 10px 20px 14px 20px;
}

/* Hi-res / quality chip under the title in the Player lens. */
.np-chip {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.04em;
  padding: 2px 10px;
  border-radius: 9999px;
  background-color: alpha(@accent_bg_color, 0.18);
  box-shadow: inset 0 0 0 1px alpha(@accent_bg_color, 0.30);
  color: @accent_color;
}

.mini-art {
  transition: transform 150ms ease;
}

.mini-art:hover {
  transform: scale(1.05);
}

/* ---- theme preview swatch (preferences) --------------------------------- */
.theme-swatch {
  min-width: 26px;
  min-height: 26px;
  border-radius: 9999px;
  box-shadow: inset 0 0 0 1px alpha(#fff, 0.22), 0 2px 6px alpha(#000, 0.3);
}

.swatch-adaptive {
  background-image: linear-gradient(135deg, #ff4d6d, #9d4edd 45%, #2dd4bf);
}
.swatch-rosewater { background-color: #ff4d6d; }
.swatch-aurora    { background-image: linear-gradient(135deg, #2dd4bf, #9d4edd); }
.swatch-nocturne  { background-color: #6e8bff; }
.swatch-verdant   { background-color: #34d399; }
.swatch-sunset    { background-image: linear-gradient(135deg, #fb8b24, #e01b24); }
.swatch-mono      { background-color: #9ca3af; }

/* ---- preferences hero --------------------------------------------------- */
/* Branded banner + live library dashboard atop Preferences. Keys off the same
   accent tokens as .flaccy-window, so it retints with the theme. */
.flaccy-hero {
  padding: 22px 22px 20px 22px;
  border-radius: 20px;
  background-image:
    radial-gradient(circle at 10% -6%, alpha(@flaccy_wash_a, 0.55), transparent 52%),
    radial-gradient(circle at 94% 4%, alpha(@flaccy_wash_b, 0.42), transparent 56%),
    linear-gradient(160deg, alpha(@flaccy_accent, 0.22), alpha(@flaccy_surface, 0.32));
  box-shadow:
    inset 0 0 0 1px alpha(#fff, 0.06),
    0 2px 6px alpha(#000, 0.18),
    0 14px 40px alpha(#000, 0.18);
  transition: background-image 600ms ease;
}

.flaccy-hero-glyph {
  min-width: 48px;
  min-height: 48px;
  border-radius: 13px;
  color: #ffffff;
  background-image: linear-gradient(135deg, #ff4d6d, #9d4edd 46%, #2dd4bf);
  box-shadow:
    0 4px 14px alpha(#000, 0.28),
    inset 0 0 0 1px alpha(#fff, 0.16);
}

.flaccy-hero-title {
  font-size: 26px;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.flaccy-hero-tagline {
  font-size: 13px;
  font-weight: 500;
  opacity: 0.6;
}

.flaccy-hero-stats {
  margin-top: 2px;
}

.flaccy-hero-divider {
  min-width: 1px;
  min-height: 34px;
  background-color: alpha(@window_fg_color, 0.14);
}