/* D·studio Tools — shared glass sidebar.
 * Floating "chrome" surface (same bevel/glow family as the launcher), collapsible.
 * All values come from colors_and_type.css tokens — no eyeballed colors.
 * Injected on every tool page via sidebar.js. */

:root {
  --dss-sb-w: 248px;          /* expanded width */
  --dss-sb-w-collapsed: 76px; /* rail width */
  --dss-sb-gap: 14px;         /* float gap from the viewport edges */
}

/* Push page content right so it clears the floating sidebar.
   Pages set `body { --dss-content-pad: … }` only if they need a custom value. */
body.dss-has-sidebar {
  padding-left: calc(var(--dss-sb-w) + var(--dss-sb-gap) * 2) !important;
  transition: padding-left .26s cubic-bezier(.4,0,.2,1);
}
body.dss-has-sidebar.dss-collapsed {
  padding-left: calc(var(--dss-sb-w-collapsed) + var(--dss-sb-gap) * 2) !important;
}

.dss-sidebar {
  position: fixed;
  left: var(--dss-sb-gap);
  top: var(--dss-sb-gap);
  bottom: var(--dss-sb-gap);
  width: var(--dss-sb-w);
  z-index: 60;
  display: flex;
  flex-direction: column;
  padding: 18px 14px;
  border-radius: var(--ds-r-xl, 34px);
  /* DS chrome glass surface */
  background:
    linear-gradient(180deg, rgba(24,24,26,0.72) 0%, rgba(16,16,18,0.66) 100%);
  -webkit-backdrop-filter: var(--sds-backdrop-blur, blur(9px));
  backdrop-filter: var(--sds-backdrop-blur, blur(9px));
  border: 1px solid var(--sds-border-thin, rgba(255,255,255,0.06));
  /* depth via inset bevel + lavender glow, NEVER a flat drop-shadow */
  box-shadow:
    inset 1px 1px 1px 0 rgba(255,255,255,0.06),
    inset 0 -2px 2px 0 rgba(0,0,0,0.30),
    0 0 0 1px rgba(0,0,0,0.40),
    0 24px 60px -20px rgba(0,0,0,0.55),
    0 0 44px 0 var(--sds-glow-lavender, rgba(203,186,227,0.10));
  transition: width .26s cubic-bezier(.4,0,.2,1);
  font-family: var(--ds-font-sans, system-ui, sans-serif);
}
.dss-collapsed .dss-sidebar { width: var(--dss-sb-w-collapsed); }

/* ---- Brand / header ---- */
.dss-head {
  display: flex; align-items: center; gap: 12px;
  padding: 4px 8px 4px 10px; margin-bottom: 14px;
  min-height: 36px;
}
.dss-head .dss-mark { flex: 0 0 auto; width: 22px; height: 22px; }
.dss-head .dss-mark img { width: 100%; height: auto; display: block; }
.dss-head .dss-word {
  flex: 1; min-width: 0; overflow: hidden; white-space: nowrap;
  font: 800 17px/1 var(--ds-font-sans, sans-serif); letter-spacing: -0.02em;
  color: var(--ds-white, #fff);
}
.dss-collapsed .dss-head .dss-word { opacity: 0; pointer-events: none; }

/* collapse toggle */
.dss-toggle {
  flex: 0 0 auto; width: 28px; height: 28px; border: 0; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  border-radius: 9px; color: var(--ds-fg-subtle, rgba(255,255,255,0.6));
  background: var(--ds-w-03, rgba(255,255,255,0.03));
  border: 1px solid var(--sds-border-thin, rgba(255,255,255,0.06));
  transition: background .16s ease, color .16s ease, transform .26s ease;
}
.dss-toggle:hover { background: var(--ds-w-07, rgba(255,255,255,0.07)); color: var(--ds-white,#fff); }
.dss-toggle svg { width: 15px; height: 15px; }
.dss-collapsed .dss-toggle { transform: rotate(180deg); }
/* collapsed header: stack mark over toggle, both centered in the rail */
.dss-collapsed .dss-head {
  flex-direction: column; align-items: center; justify-content: center;
  gap: 12px; padding: 0; margin-bottom: 16px;
}

/* ---- Nav ---- */
.dss-nav { display: flex; flex-direction: column; gap: 3px; }
.dss-sep { height: 1px; margin: 12px 8px; background: var(--sds-border-thin, rgba(255,255,255,0.06)); }
.dss-spacer { flex: 1; }

.dss-item {
  position: relative;
  display: flex; align-items: center; gap: 13px;
  padding: 11px 12px; border-radius: var(--ds-r-md, 16px);
  text-decoration: none; color: var(--sds-text-nav, rgb(229,229,229));
  border: 1px solid transparent;
  transition: background .16s ease, border-color .16s ease, color .16s ease;
  white-space: nowrap;
}
.dss-item:hover {
  background: var(--ds-w-07, rgba(255,255,255,0.07));
  border-color: var(--ds-border, rgba(255,255,255,0.10));
}
.dss-item .dss-ico {
  flex: 0 0 auto; width: 20px; height: 20px; display: flex; align-items: center; justify-content: center;
  color: var(--ds-fg-subtle, rgba(255,255,255,0.6));
}
.dss-item .dss-ico svg { width: 19px; height: 19px; }
.dss-item .dss-label {
  flex: 1; min-width: 0; overflow: hidden;
  font: 500 14.5px/1.1 var(--ds-font-sans, sans-serif); letter-spacing: -0.01em;
}
/* collapsed item: icon-only, perfectly centered (kill the gap + collapse the label) */
.dss-collapsed .dss-item { justify-content: center; gap: 0; padding: 11px 0; }
.dss-collapsed .dss-item .dss-label { opacity: 0; width: 0; overflow: hidden; pointer-events: none; }
.dss-collapsed .dss-item .dss-ico { width: 100%; }

/* active item — lavender bar + tinted bg + lavender icon */
.dss-item.active {
  background: linear-gradient(90deg, var(--ds-peri-10, rgba(223,229,255,0.10)) 0%, var(--ds-peri-03, rgba(223,229,255,0.03)) 100%);
  border-color: var(--ds-peri-14, rgba(223,229,255,0.14));
  color: var(--ds-white, #fff);
}
.dss-item.active .dss-ico { color: var(--ds-periwinkle, rgb(223,229,255)); }
.dss-item.active::before {
  content: ""; position: absolute; left: -8px; top: 50%; transform: translateY(-50%);
  width: 3px; height: 18px; border-radius: 3px;
  background: var(--ds-periwinkle, rgb(223,229,255));
  box-shadow: 0 0 8px 1px var(--ds-peri-70, rgba(223,229,255,0.7));
}
/* collapsed: keep the bar tight against the inner edge of the rail */
.dss-collapsed .dss-item.active::before { left: -6px; }

/* tooltip when collapsed */
.dss-item .dss-tip {
  position: absolute; left: calc(100% + 14px); top: 50%; transform: translateY(-50%);
  padding: 6px 11px; border-radius: 9px; white-space: nowrap;
  font: 500 13px/1 var(--ds-font-sans, sans-serif);
  color: var(--ds-white, #fff);
  background: rgba(24,24,26,0.96);
  border: 1px solid var(--sds-border-thin, rgba(255,255,255,0.08));
  box-shadow: 0 8px 24px -8px rgba(0,0,0,0.6);
  opacity: 0; pointer-events: none; transition: opacity .14s ease;
  z-index: 70;
}
.dss-collapsed .dss-item:hover .dss-tip { opacity: 1; }
:not(.dss-collapsed) .dss-item .dss-tip { display: none; }

/* ---- Footer (status) ---- */
.dss-foot {
  display: flex; align-items: center; gap: 10px; padding: 10px 12px;
  font: var(--ds-micro, 500 11px/1 sans-serif); letter-spacing: .04em;
  color: var(--ds-fg-faint, rgba(255,255,255,0.3));
}
.dss-foot .dss-dot {
  flex: 0 0 auto; width: 7px; height: 7px; border-radius: 50%;
  background: var(--ds-fg-faint, rgba(255,255,255,0.3));
}
.dss-foot .dss-dot.ok { background: var(--ds-success, rgb(52,199,89)); box-shadow: 0 0 8px 0 rgba(52,199,89,0.6); }
.dss-collapsed .dss-foot .dss-foot-label { opacity: 0; width: 0; overflow: hidden; }
.dss-collapsed .dss-foot { justify-content: center; }

/* ---- Mobile: sidebar becomes an off-canvas drawer ---- */
.dss-scrim {
  position: fixed; inset: 0; z-index: 55; background: rgba(0,0,0,0.5);
  -webkit-backdrop-filter: blur(2px); backdrop-filter: blur(2px);
  opacity: 0; pointer-events: none; transition: opacity .2s ease;
}
.dss-burger { display: none; }

@media (max-width: 860px) {
  body.dss-has-sidebar, body.dss-has-sidebar.dss-collapsed { padding-left: 0 !important; }
  .dss-sidebar { transform: translateX(calc(-100% - var(--dss-sb-gap) * 2)); transition: transform .26s cubic-bezier(.4,0,.2,1), width .26s ease; width: var(--dss-sb-w); }
  .dss-drawer-open .dss-sidebar { transform: translateX(0); }
  .dss-drawer-open .dss-scrim { opacity: 1; pointer-events: auto; }
  .dss-collapsed .dss-sidebar { width: var(--dss-sb-w); } /* drawer always expanded */
  .dss-toggle { display: none; }                          /* no collapse on mobile */
  .dss-burger {
    display: flex; align-items: center; justify-content: center;
    position: fixed; top: 14px; left: 14px; z-index: 50;
    width: 42px; height: 42px; border: 0; cursor: pointer; border-radius: 13px;
    color: var(--ds-white,#fff);
    background: rgba(24,24,26,0.7); -webkit-backdrop-filter: blur(9px); backdrop-filter: blur(9px);
    border: 1px solid var(--sds-border-thin, rgba(255,255,255,0.08));
    box-shadow: 0 8px 24px -8px rgba(0,0,0,0.6);
  }
  .dss-burger svg { width: 20px; height: 20px; }
}
@media (prefers-reduced-motion: reduce) {
  .dss-sidebar, body.dss-has-sidebar, .dss-toggle, .dss-scrim { transition: none !important; }
}