:root{--page-start:#4c1415;--page-mid:#241315;--page-end:#141518;--shell:#18191d;--shell-edge:#2d2f35;--stage:#0c0c0f;--stage-edge:#2c2d31;--panel:#101114;--input:#111215;--text:#f5f1e8;--muted:#a9a097;--subtle:#72757d;--line:rgba(255,255,255,0.08);--accent:#ff1d11;--accent-strong:#d7140a;--shadow:0 24px 80px rgba(0,0,0,0.34)}*{box-sizing:border-box}html{min-height:100%;background:radial-gradient(circle at 31% 50%,rgba(138,26,30,.42) 0,rgba(138,26,30,.24) 18%,rgba(138,26,30,0) 43%),linear-gradient(90deg,var(--page-start) 0,var(--page-mid) 27%,var(--page-end) 63%)}body{margin:0;min-height:100dvh;color:var(--text);font-family:Segoe UI,Arial,sans-serif;background:transparent}button,textarea{font:inherit}button{color:inherit}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.monza-page{min-height:100dvh;padding:max(14px,env(safe-area-inset-top)) max(14px,env(safe-area-inset-right)) max(14px,env(safe-area-inset-bottom)) max(14px,env(safe-area-inset-left))}.monza-shell{width:min(1120px,calc(100vw - 28px));min-height:calc(100vh - 28px);margin:0 auto;display:grid;grid-template-rows:84px minmax(0,1fr) 40px;border:1px solid var(--shell-edge);border-radius:28px;background:linear-gradient(180deg,#1b1c20,#15161a);box-shadow:var(--shadow);overflow:hidden}.monza-header{justify-content:space-between;padding:0 18px;background:linear-gradient(180deg,#0b0b0d,#0d0e11);border-bottom:1px solid var(--line)}.brand-lockup,.monza-header{display:flex;align-items:center}.brand-lockup{color:#ffffff}.brand-mark{width:84px;height:auto;display:block}.composer-submit,.header-action{border:0;border-radius:999px;background:var(--accent);box-shadow:none;cursor:pointer}.header-actions{display:flex;align-items:center;gap:10px}.header-action{width:42px;height:42px;display:inline-flex;align-items:center;justify-content:center;padding:0}.header-action-secondary{background:rgba(255,255,255,.08)}.header-action-secondary:hover{background:rgba(255,255,255,.14)}.header-action-svg{width:20px;height:20px}.header-action-icon{display:block;font-size:1.52rem;line-height:1;transform:translateY(-1px)}.history-anchor{position:relative}.history-panel{position:absolute;top:calc(100% + 8px);right:0;width:320px;max-height:360px;overflow-y:auto;background:#1b1c20;border:1px solid var(--shell-edge);border-radius:14px;box-shadow:0 16px 48px rgba(0,0,0,.45);z-index:20;padding:6px}.history-panel-header{padding:10px 12px 8px;border-bottom:1px solid var(--line)}.history-panel-title{font-size:.82rem;font-weight:600;color:var(--subtle);text-transform:uppercase;letter-spacing:.06em}.history-empty{margin:0;padding:24px 12px;text-align:center;color:var(--muted);font-size:.9rem}.history-list{list-style:none;margin:0;padding:4px 0}.history-item{display:flex;align-items:center;gap:4px;border-radius:10px;transition:background .15s}.history-item:hover{background:rgba(255,255,255,.04)}.history-item-button{flex:1 1;min-width:0;display:flex;flex-direction:column;gap:2px;padding:10px;border:0;border-radius:10px;background:transparent;color:inherit;cursor:pointer;text-align:left}.history-item-title{font-size:.88rem;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.history-item-time{font-size:.74rem;color:var(--subtle)}.history-item-delete{flex-shrink:0;width:28px;height:28px;display:inline-flex;align-items:center;justify-content:center;padding:0;margin-right:4px;border:0;border-radius:6px;background:transparent;color:var(--subtle);cursor:pointer;opacity:0;transition:opacity .15s,background .15s}.history-item:hover .history-item-delete{opacity:1}.history-item-delete:hover{background:rgba(255,29,17,.15);color:var(--accent)}.history-delete-icon{width:14px;height:14px}.chat-stage{margin:18px;display:grid;grid-template-rows:minmax(0,1fr) auto;border:1px solid var(--stage-edge);border-radius:20px;background:linear-gradient(180deg,#0b0b0d,#0d0e11);box-shadow:inset 0 0 0 1px rgba(255,255,255,.02)}.composer-submit svg{width:100%;height:100%}.messages-stage{min-height:0;overflow-y:auto;display:flex;flex-direction:column;gap:18px;padding:34px 56px 28px}.messages-stage.intro-state{justify-content:center;padding-top:72px}.chat-intro{flex:0 0 auto;display:grid;place-items:center;padding:0;margin-top:10px}.chat-intro-copy{width:min(660px,100%);margin:0;color:#f3e7d6;text-align:center;font-size:clamp(1.28rem,1.62vw,1.78rem);font-weight:600;line-height:1.22;letter-spacing:-.02em}.message-card{max-width:min(760px,100%)}.message-meta{margin:0 0 8px;color:var(--subtle);font-size:.8rem}.message-body{margin:0;white-space:pre-wrap;line-height:1.5;font-size:1rem}.message-links{margin:12px 0 0;padding-left:18px;display:grid;grid-gap:8px;gap:8px}.message-link{color:#ff8f87;text-decoration:underline;-webkit-text-decoration-color:rgba(255,143,135,.5);text-decoration-color:rgba(255,143,135,.5);text-underline-offset:3px}.message-link:hover{color:#ffd3cf}.assistant-message,.user-message{width:-moz-fit-content;width:fit-content;padding:14px 16px;border-radius:16px}.assistant-message{background:rgba(255,255,255,.035);border:1px solid rgba(255,255,255,.06)}.user-message{align-self:flex-end;margin-left:auto;background:rgba(255,29,17,.1);border:1px solid rgba(255,29,17,.32)}.pending-message{opacity:.82}.typing-indicator{display:inline-flex;align-items:center;gap:7px;min-height:24px}.typing-dot{width:8px;height:8px;border-radius:999px;background:rgba(243,231,214,.92);animation:monzaTypingPulse 1s ease-in-out infinite}.typing-dot:nth-child(2){animation-delay:.16s}.typing-dot:nth-child(3){animation-delay:.32s}.composer-shell{padding:16px 20px 18px}.composer-row{width:min(780px,calc(100% - 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20px);min-height:calc(100dvh - 20px);grid-template-rows:78px minmax(0,1fr) auto;border-radius:22px}.monza-header{padding:0 14px}.brand-mark{width:72px}.header-actions{gap:8px}.header-action{width:39px;height:39px}.header-action-svg{width:18px;height:18px}.history-panel{width:280px;right:-8px}.chat-stage{margin:12px}.messages-stage{padding:28px 18px 22px}.chat-intro-copy{width:min(520px,100%);font-size:1.14rem}.composer-row{width:100%}.shell-footer{align-items:flex-start;flex-direction:column;padding:10px 14px 14px;font-size:.82rem}.error-inline{text-align:left}}@media (max-width:560px){.monza-page{padding:0}.login-shell,.monza-shell{width:100%;min-height:100dvh;border:0;border-radius:0}.monza-shell{grid-template-rows:70px minmax(0,1fr) auto}.monza-header{padding:max(10px,env(safe-area-inset-top)) 12px 10px}.brand-mark{width:64px}.logout-action{padding:0 11px}.history-panel{position:fixed;top:calc(env(safe-area-inset-top) + 64px);right:10px;left:10px;width:auto;max-height:min(60dvh,420px)}.chat-stage{margin:0;border-right:0;border-left:0;border-radius:0}.messages-stage{gap:14px;padding:22px 14px 16px}.messages-stage.intro-state{padding-top:36px}.assistant-message,.user-message{padding:12px 13px}.composer-shell{padding:10px 12px 12px}.composer-row{gap:8px;border-radius:15px;padding-left:12px}.shell-footer{padding:8px 12px max(10px,env(safe-area-inset-bottom))}.login-stage{min-height:100dvh;padding:max(20px,env(safe-area-inset-top)) 18px max(20px,env(safe-area-inset-bottom))}.login-card{padding:24px}}