/* ============================================================
   CMD + J — Floating summon composer (lives on the website)
   A resting ⌘J bar pinned bottom-right that opens an in-place
   composer; "Expand a few words into a full message" via real AI.
   Reuses design tokens from tokens.css / homepage-v3.css.
   All classes prefixed .sb- to avoid collisions.
   ============================================================ */

.sb-root {
  position: fixed; left: 50%; bottom: 26px; transform: translateX(-50%); z-index: 1000;
  font-family: var(--font-sans); color: var(--fg-1);
  display: flex; flex-direction: column; align-items: center; gap: 0;
}
.sb-root * { box-sizing: border-box; }

/* ---- shared shell look (vibrant HUD) ---- */
.sb-shell {
  position: relative;
  background: linear-gradient(180deg, var(--hud-fill-top), var(--hud-fill));
  backdrop-filter: blur(var(--hud-blur)) saturate(160%);
  -webkit-backdrop-filter: blur(var(--hud-blur)) saturate(160%);
  border: 1px solid var(--line-3);
  box-shadow: var(--shadow-hud);
}
.sb-shell::before {
  content: ""; position: absolute; inset: 0; border-radius: inherit; pointer-events: none;
  background: linear-gradient(180deg, rgba(255,255,255,0.07), transparent 34%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude; padding: 1px;
}

/* ============================================================
   LAUNCHER — the resting ⌘J bar
   ============================================================ */
.sb-launcher {
  display: inline-flex; align-items: center; gap: 11px;
  height: 44px; padding: 0 10px 0 18px; border-radius: 14px; cursor: pointer;
  transition: transform .26s var(--ease-out), opacity .26s var(--ease-out), box-shadow .2s;
  transform-origin: bottom center;
}
.sb-launcher:hover { box-shadow: var(--shadow-hud), 0 0 0 1px var(--line-strong); }
.sb-launcher:active { transform: scale(0.97); }
/* Launcher temporarily disabled — remove this rule to bring the ⌘J bar back */
.sb-launcher { display: none !important; }
.sb-launcher .hint { color: var(--fg-3); font-size: var(--text-md); white-space: nowrap; letter-spacing: 0.1px; }
.sb-launcher .keys { display: inline-flex; gap: 5px; margin-left: 2px; }
.sb-launcher .sb-kc {
  min-width: 24px; height: 24px; padding: 0 6px; font-size: 12px; border-radius: 7px;
  background: rgba(255,255,255,0.06); border-color: var(--line-2); color: var(--fg-2);
}
.sb-kc {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 20px; height: 20px; padding: 0 5px;
  font-family: var(--font-mono); font-size: 11px; font-weight: var(--fw-semi);
  color: var(--fg-2); background: rgba(255,255,255,0.07);
  border: 1px solid var(--line-2); border-radius: 5px;
}
/* launcher hidden while the panel is open */
.sb-root.open .sb-launcher { opacity: 0; transform: scale(0.85) translateY(8px); pointer-events: none; }

/* ============================================================
   PANEL — the composer (the writing bar, grown up)
   ============================================================ */
.sb-panel {
  position: absolute; left: 50%; bottom: 0; transform: translateX(-50%) translateY(10px) scale(0.96);
  width: 460px; max-width: calc(100vw - 32px);
  border-radius: 16px; padding: 12px 12px 11px;
  display: flex; flex-direction: column; gap: 10px;
  transform-origin: bottom center;
  opacity: 0;
  pointer-events: none;
  transition: opacity .22s var(--ease-out), transform .34s cubic-bezier(.2,.9,.25,1);
}
.sb-root.open .sb-panel { opacity: 1; transform: translateX(-50%); pointer-events: auto; }

/* header / route line */
.sb-head { display: flex; align-items: center; gap: 8px; padding: 1px 2px 9px; border-bottom: 1px solid var(--line-1); }
.sb-head .ch {
  width: 19px; height: 19px; flex: none; border-radius: 5px;
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--accent-soft); color: var(--accent-text);
  font-size: 12px; font-weight: var(--fw-bold);
}
.sb-head .ttl { font-size: var(--text-sm); color: var(--fg-2); }
.sb-head .ttl b { color: var(--fg-1); font-weight: var(--fw-semi); }
.sb-x {
  margin-left: auto; width: 24px; height: 24px; border-radius: 7px; border: none; background: transparent;
  color: var(--fg-4); cursor: pointer; display: inline-flex; align-items: center; justify-content: center;
  transition: background var(--dur-fast), color var(--dur-fast);
}
.sb-x:hover { background: var(--bg-input); color: var(--fg-1); }
.sb-x svg { width: 14px; height: 14px; }

/* input */
.sb-body { display: flex; gap: 11px; align-items: flex-start; }
.sb-body .sp { width: 19px; height: 19px; flex: none; margin-top: 4px; background: var(--ai-grad);
  -webkit-mask: var(--spark-mask) center/contain no-repeat; mask: var(--spark-mask) center/contain no-repeat; }
.sb-input {
  flex: 1; min-width: 0; border: none; outline: none; resize: none; background: transparent;
  color: var(--fg-1); font-family: inherit; font-size: var(--text-md); line-height: var(--lh-md);
  min-height: 26px; max-height: 188px; padding: 3px 0; overflow-y: auto;
}
.sb-input::placeholder { color: var(--fg-3); }

/* generating shimmer line (replaces input while thinking) */
.sb-gen { flex: 1; display: flex; align-items: center; gap: 10px; color: var(--fg-2); font-size: var(--text-base); padding: 4px 0; }
.sb-spinner { width: 15px; height: 15px; border-radius: 50%; border: 2px solid var(--line-3); border-top-color: var(--accent); animation: sbspin .8s linear infinite; flex: none; }
@keyframes sbspin { to { transform: rotate(360deg); } }

/* footer */
.sb-foot { display: flex; align-items: center; gap: 8px; min-height: 30px; }
.sb-tip { font-size: var(--text-sm); color: var(--fg-3); display: inline-flex; align-items: center; gap: 7px; }
.sb-tip .sb-kc { height: 18px; min-width: 18px; }
.sb-spacer { margin-left: auto; }
.sb-btn {
  display: inline-flex; align-items: center; gap: 7px; height: 30px; padding: 0 12px; border-radius: 8px;
  font-size: var(--text-sm); font-weight: var(--fw-medium); cursor: pointer; white-space: nowrap;
  border: 1px solid var(--line-2); background: rgba(255,255,255,0.04); color: var(--fg-1);
  transition: background var(--dur-fast), border-color var(--dur-fast), opacity var(--dur-fast);
}
.sb-btn:hover { background: rgba(255,255,255,0.08); border-color: var(--line-strong); }
.sb-btn[disabled] { opacity: 0.4; pointer-events: none; }
.sb-btn .ic { width: 13px; height: 13px; }
.sb-btn .ic.sp { background: var(--ai-grad); -webkit-mask: var(--spark-mask) center/contain no-repeat; mask: var(--spark-mask) center/contain no-repeat; }

/* circular send */
.sb-send {
  flex: none; width: 32px; height: 32px; border-radius: 50%; border: none; cursor: pointer;
  background: var(--bg-input-strong); color: var(--fg-3);
  display: inline-flex; align-items: center; justify-content: center;
  transition: background var(--dur-fast), color var(--dur-fast), transform var(--dur-fast);
}
.sb-send.ready { background: var(--accent); color: #fff; box-shadow: 0 2px 10px -2px var(--accent-ring); }
.sb-send:active { transform: scale(0.93); }
.sb-send svg { width: 15px; height: 15px; }

/* result chrome: a faint accent frame around the box while showing AI output */
.sb-root.result .sb-panel { border-color: color-mix(in srgb, var(--accent) 34%, var(--line-3)); }
.sb-pill {
  align-self: flex-start; display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--font-mono); font-size: 10px; letter-spacing: .04em; text-transform: uppercase;
  color: var(--accent-text); background: var(--accent-soft); border-radius: 5px; padding: 3px 7px;
}
.sb-pill .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); }

/* copied confirmation */
.sb-ok { display: inline-flex; align-items: center; gap: 8px; color: var(--ok); font-size: var(--text-base); font-weight: var(--fw-medium); }
.sb-ok .ck { width: 20px; height: 20px; border-radius: 50%; background: var(--ok-bg); display: inline-flex; align-items: center; justify-content: center; }
.sb-ok .ck svg { width: 12px; height: 12px; }

.sb-err { font-size: var(--text-sm); color: var(--err, #f87171); padding: 2px 0; }

/* reduced motion */
@media (prefers-reduced-motion: reduce) {
  .sb-launcher, .sb-panel { transition: none; }
  .sb-spinner { animation: none; }
}

/* small screens: keep centered, full-ish width */
@media (max-width: 560px) {
  .sb-root { bottom: 14px; }
  .sb-panel { width: calc(100vw - 24px); }
}