/* SIGMA BROOKS website assistant (plan v0.4.0). Launcher + chat panel. js/assistant.js builds the markup.
   Copy rule: no em-dashes. Sits left of the WhatsApp button on desktop and above the mobile bottom bar. */
.sbai-launch { position: fixed; right: 92px; bottom: 28px; z-index: 51; display: inline-flex; align-items: center; gap: 10px; height: 48px; padding: 0 18px 0 14px; border: 0; border-radius: 999px; background: var(--sb-navy, #071C33); color: #FFFFFF; font: 600 .9375rem/1 var(--sb-font-body, system-ui, sans-serif); box-shadow: 0 14px 30px -12px rgba(4, 18, 31, .55); cursor: pointer; transition: transform .2s, box-shadow .2s; }
.sbai-launch:hover { transform: translateY(-2px); box-shadow: 0 18px 34px -12px rgba(4, 18, 31, .6); }
.sbai-launch:focus-visible { outline: 3px solid var(--sb-orange, #FF8A00); outline-offset: 3px; }
.sbai-launch__icon { display: inline-flex; align-items: center; justify-content: center; width: 28px; height: 28px; border-radius: 50%; background: var(--sb-orange, #FF8A00); color: var(--sb-navy, #071C33); font-size: .875rem; }
.sbai-launch[aria-expanded="true"] { display: none; }

.sbai-panel { position: fixed; right: 24px; bottom: 24px; z-index: 60; display: flex; flex-direction: column; width: min(400px, calc(100vw - 32px)); height: min(640px, calc(100vh - 48px)); height: min(640px, calc(100dvh - 48px)); border-radius: 18px; background: #FFFFFF; color: var(--sb-charcoal, #1F2937); box-shadow: 0 30px 80px -24px rgba(4, 18, 31, .55); border: 1px solid var(--sb-line, #E2E8F0); overflow: hidden; font: 400 .9375rem/1.55 var(--sb-font-body, system-ui, sans-serif); }
.sbai-panel[hidden] { display: none; }
.sbai-head { display: flex; align-items: center; gap: 12px; padding: 14px 14px 14px 18px; background: var(--sb-navy, #071C33); color: #FFFFFF; }
.sbai-head__mark { display: inline-flex; align-items: center; justify-content: center; width: 40px; height: 40px; padding: 4px; border-radius: 11px; background: #FFFFFF; box-shadow: 0 0 0 1px rgba(255, 255, 255, .25), 0 6px 14px -6px rgba(0, 0, 0, .45); flex: 0 0 auto; box-sizing: border-box; }
.sbai-head__mark img { display: block; width: 100%; height: 100%; object-fit: contain; }
.sbai-head__title { margin: 0; font: 700 1rem/1.2 var(--sb-font-heading, sans-serif); }
.sbai-head__sub { margin: 2px 0 0; font-size: .75rem; color: #B9C7D8; }
.sbai-head__sub b { display: inline-block; margin-right: 6px; padding: 1px 6px; border-radius: 4px; background: rgba(255, 255, 255, .14); color: #FFFFFF; font: 600 .625rem/1.6 var(--sb-font-mono, monospace); letter-spacing: .08em; }
.sbai-head__btns { margin-left: auto; display: flex; gap: 4px; }
.sbai-iconbtn { display: inline-flex; align-items: center; justify-content: center; width: 36px; height: 36px; border: 0; border-radius: 10px; background: transparent; color: #DCE6F2; cursor: pointer; font-size: 1rem; }
.sbai-iconbtn:hover { background: rgba(255, 255, 255, .12); color: #FFFFFF; }
.sbai-iconbtn:focus-visible { outline: 2px solid var(--sb-orange, #FF8A00); outline-offset: 1px; }

.sbai-log { flex: 1; overflow-y: auto; overscroll-behavior: contain; padding: 18px 16px 8px; background: var(--sb-bg, #F6F8FB); display: flex; flex-direction: column; gap: 12px; }
.sbai-msg { max-width: 88%; padding: 10px 14px; border-radius: 14px; overflow-wrap: anywhere; }
.sbai-msg p { margin: 0; }
.sbai-msg p + p, .sbai-msg p + ul, .sbai-msg ul + p, .sbai-msg p + ol, .sbai-msg ol + p { margin-top: 8px; }
.sbai-msg ul, .sbai-msg ol { margin: 0; padding-left: 20px; }
.sbai-msg li + li { margin-top: 4px; }
.sbai-msg a { color: var(--sb-blue, #0B73D9); font-weight: 600; text-decoration: underline; text-underline-offset: 2px; }
.sbai-msg--bot { align-self: flex-start; background: #FFFFFF; border: 1px solid var(--sb-line, #E2E8F0); border-bottom-left-radius: 4px; }
.sbai-msg--me { align-self: flex-end; background: var(--sb-navy, #071C33); color: #FFFFFF; border-bottom-right-radius: 4px; white-space: pre-wrap; }
.sbai-msg--err { align-self: flex-start; background: #FEF2F2; border: 1px solid #FECACA; color: #991B1B; }
.sbai-msg--err a { color: #991B1B; }
.sbai-typing { align-self: flex-start; display: inline-flex; gap: 5px; padding: 14px 16px; border-radius: 14px; background: #FFFFFF; border: 1px solid var(--sb-line, #E2E8F0); }
.sbai-typing i { width: 7px; height: 7px; border-radius: 50%; background: #94A3B8; animation: sbai-dot 1.1s infinite ease-in-out; }
.sbai-typing i:nth-child(2) { animation-delay: .15s; } .sbai-typing i:nth-child(3) { animation-delay: .3s; }
@keyframes sbai-dot { 0%, 80%, 100% { opacity: .35; transform: translateY(0); } 40% { opacity: 1; transform: translateY(-3px); } }

.sbai-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.sbai-chip { padding: 8px 12px; border: 1px solid #C9D6E5; border-radius: 999px; background: #FFFFFF; color: var(--sb-navy, #071C33); font: 500 .8125rem/1.2 var(--sb-font-body, sans-serif); cursor: pointer; text-align: left; }
.sbai-chip:hover { border-color: var(--sb-blue, #0B73D9); color: var(--sb-blue, #0B73D9); }
.sbai-chip:focus-visible { outline: 2px solid var(--sb-blue, #0B73D9); outline-offset: 2px; }

.sbai-card { align-self: stretch; padding: 14px; border-radius: 14px; background: #FFFFFF; border: 1px solid #C9D6E5; box-shadow: 0 8px 20px -14px rgba(4, 18, 31, .35); }
.sbai-card__kicker { margin: 0 0 4px; font: 600 .6875rem/1.2 var(--sb-font-mono, monospace); letter-spacing: .1em; text-transform: uppercase; color: #8A4B00; }
.sbai-card__title { margin: 0 0 6px; font: 700 1rem/1.3 var(--sb-font-heading, sans-serif); color: var(--sb-navy, #071C33); }
.sbai-card p { margin: 0 0 10px; font-size: .875rem; color: var(--sb-muted, #4B5563); }
.sbai-btn { display: inline-flex; align-items: center; gap: 8px; padding: 10px 16px; border: 0; border-radius: 8px; background: linear-gradient(180deg, #FF9A1F, #FF8400); color: var(--sb-navy, #071C33); font: 700 .875rem/1 var(--sb-font-body, sans-serif); text-decoration: none; cursor: pointer; }
.sbai-btn:hover { filter: brightness(1.03); }
.sbai-btn:disabled { opacity: .6; cursor: default; }
.sbai-btn:focus-visible { outline: 2px solid var(--sb-navy, #071C33); outline-offset: 2px; }
.sbai-form { display: grid; gap: 8px; }
.sbai-form label { display: grid; gap: 3px; font-size: .75rem; font-weight: 600; color: var(--sb-charcoal, #1F2937); }
.sbai-form input[type="text"], .sbai-form input[type="email"], .sbai-form input[type="tel"], .sbai-form textarea { width: 100%; padding: 8px 10px; border: 1px solid #C9D6E5; border-radius: 8px; font: 400 .875rem/1.4 var(--sb-font-body, sans-serif); color: var(--sb-charcoal, #1F2937); background: #FFFFFF; box-sizing: border-box; }
.sbai-form textarea { resize: vertical; min-height: 54px; }
.sbai-form input:focus, .sbai-form textarea:focus { outline: none; border-color: var(--sb-blue, #0B73D9); box-shadow: 0 0 0 3px rgba(11, 115, 217, .18); }
.sbai-form [aria-invalid="true"] { border-color: #DC2626; }
.sbai-form .sbai-consent { display: flex; gap: 8px; align-items: flex-start; font-weight: 400; color: var(--sb-muted, #4B5563); line-height: 1.45; }
.sbai-consent input { margin-top: 2px; flex: 0 0 auto; }
.sbai-form__err { margin: 0; font-size: .75rem; color: #B91C1C; }
.sbai-form__ok { margin: 0; font-size: .875rem; color: #065F46; }

.sbai-input { display: flex; align-items: flex-end; gap: 8px; padding: 12px 12px calc(12px + env(safe-area-inset-bottom)); border-top: 1px solid var(--sb-line, #E2E8F0); background: #FFFFFF; }
.sbai-input textarea { flex: 1; min-height: 44px; max-height: 120px; overflow-y: hidden; padding: 11px 12px; border: 1px solid #C9D6E5; border-radius: 12px; resize: none; font: 400 .9375rem/1.4 var(--sb-font-body, sans-serif); color: var(--sb-charcoal, #1F2937); }
.sbai-input textarea:focus { outline: none; border-color: var(--sb-blue, #0B73D9); box-shadow: 0 0 0 3px rgba(11, 115, 217, .18); }
.sbai-send { display: inline-flex; align-items: center; justify-content: center; width: 44px; height: 44px; border: 0; border-radius: 12px; background: var(--sb-navy, #071C33); color: #FFFFFF; cursor: pointer; font-size: 1rem; flex: 0 0 auto; }
.sbai-send:disabled { opacity: .45; cursor: default; }
.sbai-send:focus-visible { outline: 2px solid var(--sb-orange, #FF8A00); outline-offset: 2px; }
.sbai-sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

@media (max-width: 767px) {
  .sbai-launch { right: 16px; bottom: calc(80px + env(safe-area-inset-bottom)); height: 52px; width: 52px; padding: 0; justify-content: center; border-radius: 50%; }
  .sbai-launch__text { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
  .sbai-launch__icon { width: auto; height: auto; background: none; color: var(--sb-orange, #FF8A00); font-size: 1.375rem; }
  .sbai-panel { inset: 0; width: 100%; height: 100%; height: 100dvh; border-radius: 0; border: 0; }
}
@media (prefers-reduced-motion: reduce) { .sbai-typing i { animation: none; } .sbai-launch { transition: none; } }

/* ---------- interactive assistant (plan v0.5.0) ---------- */
.sbai-launch { overflow: visible; }
.sbai-badge { position: absolute; top: -6px; right: -6px; min-width: 20px; height: 20px; padding: 0 5px; border-radius: 999px; background: #DC2626; color: #FFFFFF; font: 700 .6875rem/20px var(--sb-font-body, sans-serif); text-align: center; box-shadow: 0 0 0 2px #FFFFFF; }
.sbai-badge[hidden] { display: none; }
.sbai-head__titles { min-width: 0; }
.sbai-iconbtn[hidden] { display: none; }
.sbai-head__sub b.sbai-live { background: #16A34A; }
.sbai-head__sub b.sbai-wait { background: #B45309; }
.sbai-status { padding: 8px 16px; background: #FFF7ED; border-bottom: 1px solid #FED7AA; color: #7C2D12; font-size: .8125rem; line-height: 1.4; }
.sbai-status.is-live { background: #ECFDF5; border-color: #A7F3D0; color: #065F46; }
.sbai-status[hidden] { display: none; }
.sbai-row { display: flex; flex-direction: column; max-width: 88%; }
.sbai-row--me { align-self: flex-end; align-items: flex-end; }
.sbai-row--bot, .sbai-row--agent, .sbai-row--err { align-self: flex-start; }
.sbai-row .sbai-msg { max-width: 100%; }
.sbai-who { margin: 0 0 3px 4px; font: 600 .6875rem/1.2 var(--sb-font-mono, monospace); letter-spacing: .04em; color: #065F46; }
.sbai-msg--agent { background: #ECFDF5; border: 1px solid #A7F3D0; border-bottom-left-radius: 4px; color: #064E3B; }
.sbai-sys { align-self: center; margin: 2px 0; padding: 6px 12px; border-radius: 999px; background: #E8EEF5; color: #334155; font-size: .75rem; text-align: center; max-width: 92%; }
.sbai-ctas { display: flex; flex-wrap: wrap; gap: 8px; margin-top: -4px; }
.sbai-cta { display: inline-flex; align-items: center; gap: 8px; padding: 9px 14px; border: 0; border-radius: 10px; background: var(--sb-navy, #071C33); color: #FFFFFF; font: 600 .8125rem/1.2 var(--sb-font-body, sans-serif); cursor: pointer; text-align: left; }
.sbai-cta:hover { background: #0B2A4A; }
.sbai-cta--ghost { background: #FFFFFF; color: var(--sb-navy, #071C33); border: 1px solid #C9D6E5; }
.sbai-cta--ghost:hover { background: #F1F5FA; }
.sbai-cta:focus-visible { outline: 2px solid var(--sb-orange, #FF8A00); outline-offset: 2px; }
.sbai-cta i { order: 2; font-size: .75rem; color: var(--sb-orange, #FF8A00); }
.sbai-toast { position: absolute; left: 50%; bottom: 84px; transform: translateX(-50%); display: inline-flex; align-items: center; gap: 6px; padding: 8px 14px; border-radius: 999px; background: var(--sb-navy, #071C33); color: #FFFFFF; font-size: .75rem; white-space: nowrap; box-shadow: 0 10px 24px -12px rgba(4, 18, 31, .6); transition: opacity .35s, transform .35s; z-index: 2; }
.sbai-toast i { color: var(--sb-orange, #FF8A00); }
.sbai-toast.is-out { opacity: 0; transform: translate(-50%, 6px); }
.sbai-panel { position: fixed; }
.sbai-confirm { align-self: stretch; padding: 12px; border-radius: 12px; background: #FFFFFF; border: 1px solid #C9D6E5; display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.sbai-confirm p { flex: 1 1 100%; margin: 0 0 2px; font-size: .875rem; color: var(--sb-charcoal, #1F2937); }
.sbai-btn--ghost { background: #FFFFFF; border: 1px solid #C9D6E5; color: var(--sb-navy, #071C33); }
.sbai-feedback { display: grid; gap: 10px; }
.sbai-feedback .sbai-card__title { margin: 0; }
.sbai-thumbs { display: flex; gap: 8px; }
.sbai-thumb { display: inline-flex; align-items: center; gap: 8px; padding: 9px 16px; border: 1px solid #C9D6E5; border-radius: 10px; background: #FFFFFF; color: var(--sb-navy, #071C33); font: 600 .875rem/1 var(--sb-font-body, sans-serif); cursor: pointer; }
.sbai-thumb[aria-pressed="true"] { background: var(--sb-navy, #071C33); border-color: var(--sb-navy, #071C33); color: #FFFFFF; }
.sbai-thumb:disabled { cursor: default; opacity: .7; }
.sbai-thumb:focus-visible, .sbai-btn--ghost:focus-visible { outline: 2px solid var(--sb-blue, #0B73D9); outline-offset: 2px; }
.sbai-fb-label { font-size: .75rem; font-weight: 600; color: var(--sb-charcoal, #1F2937); }
.sbai-feedback textarea { width: 100%; box-sizing: border-box; padding: 8px 10px; border: 1px solid #C9D6E5; border-radius: 8px; font: 400 .875rem/1.4 var(--sb-font-body, sans-serif); resize: vertical; }
.sbai-feedback textarea:focus { outline: none; border-color: var(--sb-blue, #0B73D9); box-shadow: 0 0 0 3px rgba(11, 115, 217, .18); }
.sbai-feedback .sbai-btn { justify-self: start; }
.sbai-newchat { justify-self: start; }
.sbai-input[hidden] { display: none; }
@media (prefers-reduced-motion: reduce) { .sbai-toast { transition: none; } }
.sbai-head__title, .sbai-head__sub { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.sbai-head__titles { flex: 1 1 auto; }
.sbai-head__btns { margin-left: 0; flex: 0 0 auto; }