/* ── SIDE NAV ────────────────────────────────── */
/* --- shared easing --- */
.side-nav,.sn,.sn-search,.sn-list,.sn span,.sn-search span,.side-brand{
  --ease:.26s cubic-bezier(.4,0,.2,1);
}

/* --- container --- */
.side-nav{
  position:fixed;top:0;left:0;bottom:0;width:var(--side-w);
  background:var(--sidebar-bg);
  display:flex;flex-direction:column;overflow:hidden;
  border-right:1px solid var(--sidebar-border);
  padding:var(--side-header-space) 0 calc(12px + var(--safe-b));
  z-index:700;
  transition:width var(--ease);
}
.side-nav.ambience-picker-open{overflow:visible}

/* --- brand / logo --- */
.side-brand{
  font-family:'Lexend';font-size:24px;font-weight:500;color:var(--t1);
  background:none;border:none;cursor:pointer;text-align:left;line-height:1;
  white-space:nowrap;flex-shrink:0;
  position:absolute;top:calc(var(--safe-t) + 12px);left:18px;
  width:max-content;max-width:calc(100% - 60px);
  height:var(--side-search-h);overflow:hidden;
  padding:0;display:flex;align-items:center;margin:0;
  user-select:none;-webkit-user-select:none;
  transition:opacity .18s,visibility .18s;
}
.side-brand-logo{
  display:block;
  width:auto;
  height:22px;
  max-width:min(162px,calc(100% - 4px));
}

/* --- search bar --- */
.sn-search{
  display:flex;align-items:center;gap:9px;
  margin:0 10px 6px;padding:10px 15px;min-height:var(--side-search-h);
  background:var(--sidebar-control-bg);border:1px solid var(--sidebar-control-border);border-radius:10px;cursor:pointer;width:calc(100% - 20px);overflow:hidden;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.025);
  font-family:var(--font);font-size:14px;font-weight:500;color:var(--sidebar-control-text);
  text-align:left;user-select:none;
  flex-shrink:0;
  transition:color .15s,background .15s,
    width var(--ease),padding var(--ease),margin var(--ease),gap var(--ease),
    min-height var(--ease),border-color .15s,box-shadow .15s;
}
.sn-search svg{width:17px;height:17px;flex-shrink:0;color:var(--sidebar-control-icon);transition:color .15s}

/* --- text labels (fade + shrink, synced to avoid jitter) --- */
.sn span,.sn-search span{
  overflow:hidden;white-space:nowrap;
  max-width:200px;opacity:1;
  transition:opacity var(--ease),max-width var(--ease);
}

/* --- nav item list --- */
.sn-list{
  display:flex;flex-direction:column;gap:6px;padding:0 10px;flex:1;
  transition:padding var(--ease);
}
.sn-bottom-spacer{margin-top:auto;min-height:10px;pointer-events:none}
.sn-sep{display:none}

/* --- nav buttons --- */
.sn{
  display:flex;align-items:center;gap:11px;
  min-height:var(--side-search-h);padding:10px 15px;border-radius:8px;
  background:none;border:none;cursor:pointer;
  font-family:var(--font);font-size:14px;font-weight:500;
  color:var(--sidebar-control-text);
  text-align:left;width:100%;overflow:hidden;user-select:none;
  transition:color .15s,background .15s,
    width var(--ease),padding var(--ease),gap var(--ease),
    min-height var(--ease),margin var(--ease);
}
.sn.sn-bottom{margin:0 10px 0;width:calc(100% - 20px)}
.sn.sn-static{margin:6px 10px 0;width:calc(100% - 20px)}
.sn svg{width:17px;height:17px;flex-shrink:0;color:var(--sidebar-control-icon);transition:color .15s}
.sn.active{color:var(--sidebar-active-text);background:var(--sidebar-active-bg)}
.sn.active svg{color:var(--sidebar-active-icon)}
.sn.panel-open{color:var(--sidebar-active-text);background:var(--sidebar-panel-open-bg)}
.sn.panel-open svg{color:var(--sidebar-panel-open-icon)}
.sn.sn-unavailable{
  opacity:.46;
  cursor:default;
}
.sn.sn-unavailable svg{color:var(--t3)}

/* --- sidebar ambience player --- */
.sn-rain-player{
  position:relative;
  min-height:52px;
  padding:8px 15px;
  gap:11px;
  align-items:center;
  overflow:visible;
  user-select:none;
  -webkit-user-select:none;
  -webkit-user-drag:none;
  touch-action:manipulation;
}
.sn-rain-player *{
  user-select:none;
  -webkit-user-select:none;
  -webkit-user-drag:none;
}
.sn-rain-player.is-playing{
  color:var(--sidebar-active-text);
  background:color-mix(in srgb,var(--acc) 10%, transparent);
}
.sn-rain-player .sn-rain-icon{
  width:17px;
  min-width:17px;
  height:17px;
  display:flex;
  align-items:center;
  justify-content:center;
  color:var(--sidebar-control-icon);
  cursor:pointer;outline:none;
  transition:color .15s,filter .18s,background .15s;
}
.sn-rain-player .sn-rain-icon svg{
  width:17px;
  height:17px;
  margin-left:0;
  transform:translateX(-1.5px);
}
.sn-rain-player.is-playing .sn-rain-icon{
  color:color-mix(in srgb,var(--acc) 82%, var(--t1));
  filter:drop-shadow(0 0 10px color-mix(in srgb,var(--acc) 34%, transparent));
}
.sn-rain-player .sn-rain-icon:focus-visible{
  border-radius:8px;
  box-shadow:0 0 0 3px color-mix(in srgb,var(--acc) 18%, transparent);
}
.sn-rain-main{
  min-width:0;
  display:flex;
  flex-direction:column;
  justify-content:center;
  gap:3px;
  flex:1 1 auto;
}
.sn-rain-title{
  color:var(--sidebar-control-text);
  font-size:12px;
  font-weight:650;
  line-height:1.05;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
  max-width:100%;
}
.sn-rain-player.is-playing .sn-rain-title{color:var(--sidebar-active-text)}
.sn-rain-sub{
  color:var(--t3);
  font-size:9.5px;
  font-weight:600;
  line-height:1.15;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
  max-width:100%;
}
.sn-rain-player.is-playing .sn-rain-sub{
  color:color-mix(in srgb,var(--acc) 58%, var(--t2));
}
.sn-rain-volume{
  display:flex;
  align-items:center;
  gap:6px;
  flex:0 0 74px;
  min-width:74px;
}
.sn-rain-volume-icon{
  color:var(--t3);
  display:flex;
  align-items:center;
  justify-content:center;
  flex:0 0 17px;
}
.sn-rain-volume-icon svg{
  width:17px;
  height:17px;
  margin-left:0;
}
.sn-rain-volume-range{
  -webkit-appearance:none;
  appearance:none;
  width:50px;
  height:3px;
  border-radius:999px;
  background:color-mix(in srgb,var(--t1) 14%, transparent);
  outline:none;
  cursor:pointer;
}
.sn-rain-volume-range::-webkit-slider-thumb{
  -webkit-appearance:none;
  width:11px;
  height:11px;
  border-radius:999px;
  background:var(--t1);
}
.sn-rain-volume-range::-moz-range-thumb{
  width:11px;
  height:11px;
  border:0;
  border-radius:999px;
  background:var(--t1);
}

/* --- drag state --- */
.side-nav.sn-sorting .sn-sep{opacity:0}
.side-nav.sn-sorting.sn-bottom-target .sn-list{
  box-shadow:inset 0 -54px 0 color-mix(in srgb,var(--acc) 7%, transparent);
}
.side-nav.sn-sorting.sn-bottom-target .sn-bottom-spacer{
  min-height:24px;
}
.sn.sn-dragging{
  position:relative;z-index:2;
  background:#232323;color:var(--t1);
  box-shadow:0 8px 22px rgba(0,0,0,.42);
}
.sn.sn-dragging svg{color:rgba(255,255,255,.75)}
.side-resize-handle{
  position:absolute;top:0;right:0;bottom:0;width:10px;
  cursor:ew-resize;touch-action:none;z-index:716;
  transition:box-shadow .16s ease;
}
.side-resize-handle:hover,
.side-resize-handle:focus-visible,
body.side-resizing .side-resize-handle{
  box-shadow:inset -2px 0 0 rgba(255,255,255,.16),inset -3px 0 10px rgba(255,255,255,.06);
}
body.side-resizing,body.side-resizing *{cursor:ew-resize!important}
body.side-resizing .side-nav,
body.side-resizing .top-bar,
body.side-resizing .page{transition:none!important}

/* --- collapse toggle button --- */
.side-collapse-toggle{
  position:absolute;top:calc(var(--safe-t) + 12px);right:10px;
  width:40px;height:var(--side-search-h);border-radius:10px;
  border:1px solid var(--sidebar-toggle-border);background:var(--sidebar-toggle-bg);color:var(--sidebar-toggle-text);
  display:flex;align-items:center;justify-content:center;cursor:pointer;
  box-shadow:0 4px 16px rgba(0,0,0,.22);z-index:715;
  transition:background .15s,border-color .15s,color .15s,box-shadow .15s,
    border-radius .24s cubic-bezier(.25,0,.18,1),right .24s cubic-bezier(.25,0,.18,1);
}
.side-collapse-toggle svg{display:block;width:17px;height:17px}

/* ── COLLAPSED STATE ─────────────────────────── */
.side-nav.is-collapsed{padding-top:var(--side-header-space)}
.side-nav.is-collapsed .side-brand{opacity:0;pointer-events:none;visibility:hidden}
.side-nav.is-collapsed .sn-search{
  width:40px;min-height:40px;margin:0 12px 6px;padding:0;gap:0;
}
.side-nav.is-collapsed .sn-search span,
.side-nav.is-collapsed .sn span{opacity:0;max-width:0;pointer-events:none}
.side-nav.is-collapsed .sn-rain-player .sn-rain-main,
.side-nav.is-collapsed .sn-rain-player .sn-rain-volume{display:none}
.side-nav.is-collapsed .sn-list{padding:0 12px}
.side-nav.is-collapsed .sn{
  padding:0;
  width:40px;min-height:40px;margin:0;gap:0;
}
.side-nav.is-collapsed .sn-search svg,
.side-nav.is-collapsed .sn svg{margin-left:11.5px}
.side-nav.is-collapsed .sn-rain-player .sn-rain-icon{
  width:17px;
  min-width:17px;
  height:17px;
  margin-left:11.5px;
  max-width:none;
  opacity:1;
  pointer-events:auto;
}
.side-nav.is-collapsed .sn-rain-player .sn-rain-icon svg{margin-left:0}
.side-nav.is-collapsed .sn.sn-bottom{margin:0 12px;width:40px}
.side-nav.is-collapsed .sn.sn-static{margin:6px 12px 0;width:40px}
.side-nav.is-collapsed .side-collapse-toggle{
  right:12px;
  border-color:transparent;border-radius:8px;
  background:none;color:rgba(255,255,255,.55);
  box-shadow:none;
}
.side-nav.is-collapsed .side-resize-handle{display:none}

/* ── INSTANT HOVER FEEDBACK + icon slide ──────── */
.sn-search{
  transition:width var(--ease),padding var(--ease),margin var(--ease),gap var(--ease),min-height var(--ease);
}
.sn{
  transition:width var(--ease),padding var(--ease),gap var(--ease),min-height var(--ease),margin var(--ease);
}
.sn-search svg,
.sn svg{
  transition:margin-left var(--ease);
}
.side-resize-handle{transition:none}
.side-collapse-toggle{
  transition:border-radius var(--ease),right var(--ease),
    background .15s,border-color .15s,color .15s,box-shadow .15s;
}

/* ── MOBILE TOP BAR ─────────────────────────── */
.m-topbar{
  display:none;
  position:fixed;top:0;left:0;right:0;
  height:calc(var(--m-topbar-h) + var(--safe-t));
  padding:var(--safe-t) 4px 0;
  background:rgba(17,17,17,.86);
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  border-bottom:1px solid var(--sep);
  align-items:center;justify-content:space-between;
  z-index:710;
  gap:4px;
}
.m-topbar-burger,.m-topbar-action{
  width:44px;height:44px;display:flex;align-items:center;justify-content:center;
  background:none;border:none;border-radius:10px;color:var(--t1);cursor:pointer;
  flex:0 0 auto;
}
.m-topbar-burger:active,.m-topbar-action:active{background:rgba(255,255,255,.08)}
.m-topbar-title{
  flex:1 1 auto;text-align:center;font-size:16px;font-weight:600;letter-spacing:-.01em;
  color:var(--t1);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
  padding:0 6px;
}

/* ── MOBILE DRAWER HEADER (hidden on desktop) ─── */
.m-drawer-header{display:none}
.m-drawer-logo{display:block;height:24px;width:auto}
.m-drawer-close{
  width:40px;height:40px;display:flex;align-items:center;justify-content:center;
  background:none;border:none;border-radius:8px;color:var(--t2);cursor:pointer;
}
.m-drawer-close:active{background:rgba(255,255,255,.08);color:var(--t1)}

/* ── DRAWER SCRIM ─────────────────────────────── */
.m-drawer-scrim{
  display:none;
  position:fixed;inset:0;background:rgba(0,0,0,.5);
  z-index:705;opacity:0;pointer-events:none;
  transition:opacity .22s ease;
}
body.drawer-open .m-drawer-scrim{opacity:1;pointer-events:auto}