:root{--color-bg: #fff9f0;--color-surface: #ffffff;--color-ink: #3a2e28;--color-ink-soft: #8a7b6f;--color-primary: #ff7a50;--color-primary-dark: #e8603a;--color-secondary: #ffc845;--color-leaf: #4caf7d;--color-sky: #3ec1d3;--color-berry: #e8577a;--color-line: #f0e4d4;--font-display: "Baloo 2", "Segoe UI", sans-serif;--font-body: "Be Vietnam Pro", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--space-1: .5rem;--space-2: .75rem;--space-3: 1rem;--space-4: 1.5rem;--radius-lg: 22px;--radius-pill: 999px;--shadow-soft: 0 4px 14px rgba(58, 46, 40, .08);--shadow-lift: 0 8px 20px rgba(58, 46, 40, .14)}@media (prefers-reduced-motion: reduce){*,*:before,*:after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{font-family:var(--font-body);font-size:17px;line-height:1.5;background:var(--color-bg);color:var(--color-ink);background-image:radial-gradient(circle at 8% 12%,rgba(255,122,80,.07),transparent 40%),radial-gradient(circle at 92% 85%,rgba(76,175,125,.08),transparent 42%);background-attachment:fixed}button{font:inherit}:focus-visible{outline:3px solid var(--color-sky);outline-offset:2px;border-radius:6px}.center-screen{height:100%;display:flex;align-items:center;justify-content:center;font-family:var(--font-display);color:var(--color-ink-soft)}.app-shell{height:100dvh;display:flex;flex-direction:column}.app-header{display:flex;align-items:center;gap:var(--space-2);padding:var(--space-2) var(--space-3);padding-top:max(.75rem,env(safe-area-inset-top));background:linear-gradient(135deg,var(--color-primary),var(--color-primary-dark));color:#fff;border-radius:0 0 20px 20px;box-shadow:var(--shadow-soft)}.app-header h1{font-family:var(--font-display);font-weight:700;font-size:1.2rem;margin:0;flex:1;text-align:center;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.icon-btn,.icon-btn-spacer{width:44px;height:44px;flex-shrink:0}.icon-btn{background:#ffffff2e;border:none;border-radius:var(--radius-pill);color:inherit;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:transform .12s ease,background .12s ease}.icon-btn:hover{background:#ffffff4d}.icon-btn:active{transform:scale(.92)}.icon-btn-muted{background:#3a2e2814;color:var(--color-ink)}.icon-btn-muted:hover{background:#3a2e2824}.app-main{flex:1;min-height:0;display:flex;flex-direction:column}.screen-padded{padding:var(--space-3);overflow-y:auto}.auth-screen{height:100%;display:flex;align-items:center;justify-content:center;padding:var(--space-3)}.auth-card{width:100%;max-width:360px;background:var(--color-surface);border-radius:var(--radius-lg);padding:var(--space-4);box-shadow:var(--shadow-lift)}.auth-card h2{font-family:var(--font-display);margin-top:0;color:var(--color-primary-dark)}.form-field{display:flex;flex-direction:column;gap:.3rem;margin-bottom:var(--space-2)}.form-field label{font-size:.85rem;font-weight:600;color:var(--color-ink-soft)}.form-field input{padding:.7rem .9rem;border:2px solid var(--color-line);border-radius:14px;font-size:1rem;font-family:var(--font-body);background:var(--color-bg);color:var(--color-ink);min-height:48px}.form-field input:focus{border-color:var(--color-primary);outline:none}.btn-primary{width:100%;min-height:50px;padding:.7rem;background:var(--color-primary);color:#fff;border:none;border-radius:var(--radius-pill);cursor:pointer;font-family:var(--font-display);font-weight:600;font-size:1.02rem;box-shadow:0 4px 0 var(--color-primary-dark);transition:transform .1s ease,box-shadow .1s ease}.btn-primary:active:not(:disabled){transform:translateY(3px);box-shadow:0 1px 0 var(--color-primary-dark)}.btn-primary:disabled{opacity:.55;cursor:default;box-shadow:none}.btn-link{background:none;border:none;color:var(--color-sky);cursor:pointer;padding:.25rem;font-weight:600;font-size:.92rem}.error-text{color:var(--color-berry);font-size:.88rem;margin:0 0 var(--space-2);font-weight:500}.switch-row{text-align:center;margin-top:var(--space-3);font-size:.92rem;color:var(--color-ink-soft)}.section-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:var(--space-3)}.section-header h2{font-family:var(--font-display);font-weight:700;font-size:1.15rem;color:var(--color-primary-dark);margin:0}.group-list{display:flex;flex-direction:column;gap:var(--space-3)}.group-item{display:block;width:100%;text-align:left;background:var(--color-surface);border:none;border-left:6px solid var(--color-secondary);border-radius:16px;padding:1.1rem 1.2rem;font-family:var(--font-display);font-weight:600;font-size:1.08rem;color:var(--color-ink);cursor:pointer;box-shadow:var(--shadow-soft);transition:transform .15s ease,box-shadow .15s ease}.group-item:nth-child(3n+1){border-left-color:var(--color-secondary)}.group-item:nth-child(3n+2){border-left-color:var(--color-leaf)}.group-item:nth-child(3n){border-left-color:var(--color-sky)}.group-item:hover,.group-item:focus-visible{transform:translateY(-2px);box-shadow:var(--shadow-lift)}.empty-state{color:var(--color-ink-soft);text-align:center;margin-top:2rem;font-size:1rem}.create-group-row{display:flex;gap:var(--space-2);margin-top:var(--space-2)}.create-group-row input{flex:1;padding:.7rem .9rem;border:2px solid var(--color-line);border-radius:14px;font-family:var(--font-body);font-size:1rem;min-height:48px;background:var(--color-surface)}.create-group-row input:focus{border-color:var(--color-primary);outline:none}.create-group-row button{padding:.7rem 1.2rem;background:var(--color-leaf);color:#fff;border:none;border-radius:var(--radius-pill);font-family:var(--font-display);font-weight:600;cursor:pointer;min-height:48px}.create-group-row button:disabled{opacity:.5}.member-row{display:flex;align-items:center;gap:var(--space-2);background:var(--color-surface);border-radius:16px;padding:.7rem .9rem;margin-bottom:var(--space-2);box-shadow:var(--shadow-soft)}.member-name{flex:1;font-weight:600}.member-role{font-size:.75rem;font-weight:700;color:#6b4a00;background:var(--color-secondary);padding:.2rem .6rem;border-radius:var(--radius-pill)}.add-member-row{display:flex;gap:var(--space-2);margin:var(--space-3) 0}.add-member-row input{flex:1;padding:.7rem .9rem;border:2px solid var(--color-line);border-radius:14px;font-family:var(--font-body);font-size:1rem;min-height:48px;background:var(--color-surface)}.add-member-row input:focus{border-color:var(--color-primary);outline:none}.add-member-row button{padding:.7rem 1.2rem;background:var(--color-primary);color:#fff;border:none;border-radius:var(--radius-pill);font-family:var(--font-display);font-weight:600;cursor:pointer;min-height:48px}.add-member-row button:disabled{opacity:.5}.remove-member-btn{width:32px;height:32px;flex-shrink:0;display:flex;align-items:center;justify-content:center;border:none;border-radius:50%;background:#e8577a1f;color:var(--color-berry);cursor:pointer}.remove-member-btn:disabled{opacity:.5;cursor:default}.suggestion-list{display:flex;flex-direction:column;gap:.4rem;margin:-.5rem 0 1rem}.suggestion-row{display:flex;align-items:center;gap:var(--space-2);padding:.5rem .8rem;background:var(--color-surface);border:2px solid var(--color-line);border-radius:14px;cursor:pointer;font-family:var(--font-body);font-weight:600;font-size:.95rem;color:var(--color-ink);text-align:left}.suggestion-row:hover:not(:disabled){border-color:var(--color-primary)}.suggestion-row:disabled{opacity:.5;cursor:default}.account-profile{display:flex;flex-direction:column;align-items:center;gap:.3rem;padding:var(--space-3) 0 var(--space-4)}.account-name{font-family:var(--font-display);font-weight:700;font-size:1.2rem;margin-top:.3rem}.account-username{color:var(--color-ink-soft);font-size:.9rem}.account-options{display:flex;flex-direction:column;gap:var(--space-2)}.account-option{display:flex;align-items:center;gap:var(--space-2);width:100%;min-height:56px;padding:.9rem 1.1rem;background:var(--color-surface);border:none;border-radius:16px;box-shadow:var(--shadow-soft);font-family:var(--font-body);font-weight:600;font-size:1rem;color:var(--color-ink);cursor:pointer;text-align:left}.account-option span{flex:1}.account-option svg:first-child{color:var(--color-leaf)}.account-option svg:last-child{color:var(--color-ink-soft)}.account-option.danger svg:first-child{color:var(--color-berry)}.chat-room{flex:1;min-height:0;display:flex;flex-direction:column}.message-list{flex:1;min-height:0;overflow-y:auto;padding:var(--space-3);display:flex;flex-direction:column;gap:.6rem}.message-row{display:flex;gap:var(--space-1);max-width:82%;animation:bubble-in .18s ease}@keyframes bubble-in{0%{opacity:0;transform:translateY(6px) scale(.97)}to{opacity:1;transform:translateY(0) scale(1)}}.message-row.mine{align-self:flex-end;flex-direction:row-reverse}.avatar{flex-shrink:0;display:flex;align-items:center;justify-content:center;font-family:var(--font-display);font-weight:700;color:#fff}.message-bubble{background:var(--color-surface);border-radius:22px 22px 22px 6px;padding:.55rem .85rem;box-shadow:var(--shadow-soft);border-left:4px solid var(--color-leaf)}.message-row.mine .message-bubble{background:linear-gradient(135deg,var(--color-primary),var(--color-primary-dark));color:#fff;border-radius:22px 22px 6px;border-left:none}.message-meta{font-size:.72rem;font-weight:600;color:var(--color-ink-soft);margin-bottom:.2rem}.message-row.mine .message-meta{color:#fffc}.message-bubble a{color:inherit;text-decoration:underline}.file-chip{display:inline-flex;align-items:center;gap:.35rem;font-weight:600}.file-chip-label{font-size:.8rem;opacity:.85;margin-top:.2rem}.audio-player{width:220px;max-width:100%;height:36px;display:block}.message-bubble img{max-width:100%;border-radius:14px;display:block;margin-top:.2rem}.composer-wrap{display:flex;flex-direction:column}.composer-error{margin:0;padding:.4rem .9rem 0;background:var(--color-surface)}.composer{display:flex;align-items:flex-end;gap:var(--space-2);padding:var(--space-2);padding-bottom:max(.6rem,env(safe-area-inset-bottom));background:var(--color-surface);border-top:1px solid var(--color-line)}.composer textarea{flex:1;resize:none;border:2px solid var(--color-line);border-radius:20px;padding:.65rem 1rem;font-family:var(--font-body);font-size:1rem;max-height:6rem;background:var(--color-bg);color:var(--color-ink)}.composer textarea:focus{border-color:var(--color-primary);outline:none}.composer button{border:none;background:var(--color-primary);color:#fff;border-radius:50%;width:48px;height:48px;display:flex;align-items:center;justify-content:center;cursor:pointer;flex-shrink:0;transition:transform .1s ease}.composer button:active:not(:disabled){transform:scale(.9)}.composer button:disabled{opacity:.45;cursor:default}.recording-bar{align-items:center}.recording-indicator{flex:1;display:flex;align-items:center;justify-content:center;gap:.5rem;font-family:var(--font-body);font-weight:600;color:var(--color-ink)}.recording-dot{width:10px;height:10px;border-radius:50%;background:var(--color-berry);animation:recording-pulse 1s ease-in-out infinite}@keyframes recording-pulse{0%,to{opacity:1;transform:scale(1)}50%{opacity:.4;transform:scale(.8)}}.record-cancel-btn,.record-confirm-btn{width:44px;height:44px;flex-shrink:0;border:none;border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer}.record-cancel-btn{background:#e8577a1f;color:var(--color-berry)}.record-confirm-btn{background:var(--color-leaf);color:#fff}.composer label.attach-btn{display:flex;align-items:center;justify-content:center;width:48px;height:48px;border-radius:50%;background:#4caf7d26;color:var(--color-leaf);cursor:pointer;flex-shrink:0;transition:transform .1s ease}.composer label.attach-btn:active{transform:scale(.9)}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#3a2e2873;display:flex;align-items:flex-end;justify-content:center;padding:0;z-index:50;animation:backdrop-in .15s ease}@keyframes backdrop-in{0%{opacity:0}to{opacity:1}}.modal-card{width:100%;max-width:480px;background:var(--color-bg);border-radius:22px 22px 0 0;padding:var(--space-3) var(--space-3) var(--space-4);box-shadow:var(--shadow-lift);animation:sheet-in .18s ease}@keyframes sheet-in{0%{transform:translateY(24px);opacity:0}to{transform:translateY(0);opacity:1}}.modal-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:var(--space-3)}.modal-header h2{font-family:var(--font-display);font-weight:700;font-size:1.1rem;margin:0;color:var(--color-primary-dark)}@media (min-width: 640px){.modal-backdrop{align-items:center}.modal-card{border-radius:var(--radius-lg)}}