/* ZOLVEX M15 — public AI assistant */
#zvx-ai-root{position:fixed;right:18px;bottom:18px;z-index:2147479000;font-family:'Exo 2',sans-serif;color:#dce8e4;line-height:1.45}
#zvx-ai-root *{box-sizing:border-box}
.zvx-ai-launch{display:flex;align-items:center;gap:10px;min-height:50px;padding:0 15px;border:1px solid rgba(71,213,93,.55);background:rgba(4,9,8,.96);color:#e9f7f2;box-shadow:0 16px 44px rgba(0,0,0,.35);cursor:pointer;font:650 .78rem/1 'Rajdhani',sans-serif;letter-spacing:.08em;text-transform:uppercase;transition:opacity .16s ease,visibility .16s ease}.zvx-ai-launch.is-hidden{opacity:0;visibility:hidden;pointer-events:none}
.zvx-ai-launch:hover{background:#0a1512}.zvx-ai-launch:focus-visible,.zvx-ai-panel button:focus-visible,.zvx-ai-action:focus-visible{outline:1px solid rgba(71,213,93,.70);outline-offset:1px}.zvx-ai-input:focus,.zvx-ai-input:focus-visible{outline:none}
.zvx-ai-dot{display:block;flex:0 0 auto;align-self:center;width:30px;height:30px;min-width:30px;min-height:30px;border-radius:0;border:0;background:transparent url('/assets/zvx-ai-mark.webp') center center/contain no-repeat;box-shadow:none;overflow:visible}.zvx-ai-dot.guided{border:0;box-shadow:none}.zvx-ai-dot.error{border:0;box-shadow:none;filter:saturate(1.05)}.zvx-ai-launch .zvx-ai-dot{width:25px;height:25px;min-width:25px;min-height:25px}.zvx-ai-title .zvx-ai-dot{width:40px;height:40px;min-width:40px;min-height:40px}
.zvx-ai-panel{position:absolute;right:0;bottom:62px;width:min(500px,calc(100vw - 28px));height:auto;min-height:0!important;max-height:min(760px,calc(100vh - 84px));display:none;grid-template-rows:auto auto auto auto auto;padding:0!important;margin:0!important;border:1px solid #2b3935!important;background:linear-gradient(180deg,rgba(6,10,10,.988),rgba(5,9,9,.985));box-shadow:0 24px 80px rgba(0,0,0,.58),inset 0 1px 0 rgba(255,255,255,.018);overflow:hidden}.zvx-ai-panel.is-open{display:grid}
.zvx-ai-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:15px 15px 15px 16px;border-bottom:1px solid #24332f;background:linear-gradient(90deg,rgba(71,213,93,.075),rgba(9,14,13,.82) 54%,rgba(7,11,11,.55))}
.zvx-ai-title{display:flex;align-items:center;gap:12px;min-height:40px}.zvx-ai-title strong{font:700 .98rem/1 'Rajdhani',sans-serif;letter-spacing:.08em}.zvx-ai-title small{display:block;margin-top:4px;color:#94a39e;font:.78rem/1.3 'Share Tech Mono',monospace;letter-spacing:.035em}
.zvx-ai-close{width:38px;height:38px;border:1px solid #32413d;background:#0a1311;color:#b3c0bc;cursor:pointer;font-size:1rem}
.zvx-ai-quick{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:9px;padding:12px;border-bottom:1px solid #1e2b27;background:linear-gradient(180deg,rgba(255,255,255,.012),rgba(0,0,0,0))}.zvx-ai-quick button{display:flex;align-items:center;justify-content:flex-start;min-height:42px;border:1px solid rgba(215,235,229,.18);background:linear-gradient(180deg,rgba(255,255,255,.018),rgba(11,17,15,.986));color:#cad5d2;padding:9px 11px;cursor:pointer;font:600 .76rem/1.18 'Share Tech Mono',monospace;white-space:normal;text-align:left;box-shadow:inset 0 1px 0 rgba(255,255,255,.022),0 0 0 1px rgba(0,0,0,.12)}.zvx-ai-quick button:hover{border-color:rgba(71,213,93,.45);color:#e5f6f0;background:linear-gradient(180deg,rgba(71,213,93,.055),rgba(12,18,16,.988))}
.zvx-ai-messages{overflow-y:auto;overflow-x:hidden;min-height:0;max-height:min(360px,calc(100vh - 430px));padding:12px 12px 8px;scroll-behavior:smooth;background:linear-gradient(180deg,rgba(255,255,255,.008),rgba(0,0,0,0));scrollbar-gutter:auto}.zvx-ai-msg{display:flex;margin:0 0 10px}.zvx-ai-msg.user{justify-content:flex-end}.zvx-ai-bubble{max-width:100%;padding:12px 13px;border:1px solid rgba(215,235,229,.16);background:linear-gradient(180deg,rgba(71,213,93,.024),rgba(11,17,15,.987));color:#c9d4d1;font-size:.88rem;line-height:1.6;white-space:pre-wrap;overflow-wrap:anywhere;box-shadow:inset 0 1px 0 rgba(255,255,255,.02)}.zvx-ai-msg.user .zvx-ai-bubble{max-width:92%;border-color:rgba(71,213,93,.26);background:linear-gradient(180deg,rgba(71,213,93,.082),rgba(11,17,15,.988));color:#e0ece8}.zvx-ai-msg.ai .zvx-ai-bubble{width:100%;border-left:1px solid rgba(71,213,93,.34)}
.zvx-ai-msg-head{display:flex;align-items:center;gap:8px;margin-bottom:6px;color:#9caba7;font:.78rem 'Share Tech Mono',monospace;letter-spacing:.06em;text-transform:uppercase}.zvx-ai-mode{color:#c59642}
.zvx-ai-actions{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:7px;margin-top:10px}.zvx-ai-action{display:flex;align-items:center;justify-content:flex-start;min-height:36px;padding:0 10px;border:1px solid rgba(71,213,93,.34);background:linear-gradient(180deg,rgba(71,213,93,.038),rgba(9,18,15,.992));color:#95f2d2!important;text-decoration:none!important;font:600 .74rem/1.15 'Share Tech Mono',monospace;letter-spacing:.035em;box-shadow:inset 0 1px 0 rgba(255,255,255,.02)}.zvx-ai-action:hover{background:linear-gradient(180deg,rgba(71,213,93,.085),rgba(9,18,15,.992))}
.zvx-ai-speak{margin-left:auto;border:0;background:none;color:#97a6a1;cursor:pointer;font-size:.85rem;padding:2px 4px}
.zvx-ai-thinking{display:inline-flex;gap:4px;align-items:center}.zvx-ai-thinking i{width:5px;height:5px;border-radius:50%;background:#47d55d;animation:zvxAiPulse 1.1s infinite ease-in-out}.zvx-ai-thinking i:nth-child(2){animation-delay:.15s}.zvx-ai-thinking i:nth-child(3){animation-delay:.3s}@keyframes zvxAiPulse{0%,80%,100%{opacity:.25;transform:translateY(0)}40%{opacity:1;transform:translateY(-3px)}}
.zvx-ai-compose{display:grid;grid-template-columns:minmax(0,1fr) auto auto;gap:0;margin:8px 12px 0;padding:0;border:1px solid rgba(215,235,229,.17);background:linear-gradient(180deg,rgba(255,255,255,.018),rgba(12,18,16,.988));box-shadow:0 0 0 1px rgba(0,0,0,.18) inset,inset 0 1px 0 rgba(255,255,255,.02);transition:border-color .14s ease,box-shadow .14s ease}.zvx-ai-compose:focus-within{border-color:rgba(71,213,93,.38);box-shadow:0 0 0 1px rgba(71,213,93,.07),inset 0 1px 0 rgba(255,255,255,.02)}.zvx-ai-input{min-width:0;height:46px;border:0;background:rgba(9,15,13,.38);color:#e3efeb;padding:0 13px;font-size:.84rem}.zvx-ai-input::placeholder{color:#8c9b96}.zvx-ai-send,.zvx-ai-mic{min-width:46px;height:46px;border:0;border-left:1px solid rgba(215,235,229,.14);background:#0a1311;color:#d0ddda;cursor:pointer}.zvx-ai-send{min-width:56px;border-left:1px solid rgba(71,213,93,.28);color:#47d55d;font:700 .78rem 'Rajdhani',sans-serif;letter-spacing:.06em}.zvx-ai-mic.is-listening{color:#ff7a89;background:#101010}
.zvx-ai-foot{padding:12px 12px 12px;color:#a7b5b0;font:.74rem/1.48 'Share Tech Mono',monospace;border-top:1px solid #18231f}.zvx-ai-foot strong{color:#bac6c1;font-weight:500}
@media(max-width:650px){#zvx-ai-root{right:10px;bottom:10px}.zvx-ai-launch{min-height:48px}.zvx-ai-panel{position:fixed;left:8px;right:8px;bottom:68px;width:auto;height:auto;min-height:0!important;max-height:min(78vh,760px);padding:0!important;margin:0!important}.zvx-ai-quick{grid-template-columns:1fr}.zvx-ai-messages{max-height:min(42vh,360px)}.zvx-ai-bubble{max-width:94%;font-size:.88rem}.zvx-ai-actions{grid-template-columns:1fr}.zvx-ai-foot{font-size:.76rem}.zvx-ai-compose{margin:8px 10px 0}.zvx-ai-input,.zvx-ai-send,.zvx-ai-mic{height:46px}}
@media(prefers-reduced-motion:reduce){.zvx-ai-thinking i{animation:none!important}.zvx-ai-messages{scroll-behavior:auto}}


/* M19N — member-shell safe launcher. Keep AI available without covering curriculum cards. */
@media(max-width:1400px) and (min-width:651px){
  body:is([data-zvx-area="account"],[data-zvx-area="education"],[data-zvx-area="library"],[data-zvx-area="billing"],[data-zvx-area="community"]) .zvx-ai-launch{width:50px;min-width:50px;height:50px;padding:0;gap:0;justify-content:center}
  body:is([data-zvx-area="account"],[data-zvx-area="education"],[data-zvx-area="library"],[data-zvx-area="billing"],[data-zvx-area="community"]) .zvx-ai-launch>span:last-child{display:none}
}