:root{--bg: #e8e8e8;--sidebar: #d2d2d2;--text: #111111;--border: #131313;--blue: #2064e8;--bubble: #8bc7f1;--panel: #f2f2f2;--surface: #efefef;--surface-soft: #e1e1e1;--muted: #666666;--hint: #454545;--warning: #fff4dd;--danger: #ff0000;--danger-text: #000000;--radius-pill: 999px;--radius-soft: .9rem;--fs-0: clamp(.8rem, .78rem + .12vw, .92rem);--fs-1: clamp(.92rem, .88rem + .18vw, 1.05rem);--fs-2: clamp(1.05rem, 1rem + .3vw, 1.22rem);--fs-3: clamp(1.22rem, 1.1rem + .55vw, 1.55rem);--fs-4: clamp(1.5rem, 1.3rem + .9vw, 2rem);--space-1: clamp(.35rem, .28rem + .2vw, .55rem);--space-2: clamp(.55rem, .45rem + .3vw, .8rem);--space-3: clamp(.8rem, .65rem + .5vw, 1.1rem);--space-4: clamp(1.1rem, .9rem + .7vw, 1.6rem);--space-5: clamp(1.4rem, 1.1rem + 1vw, 2.2rem)}:root[data-theme=dark]{--bg: #1f2428;--sidebar: #2a3035;--text: #f2f2f2;--border: #d9d9d9;--blue: #4f92ff;--bubble: #2f5d82;--panel: #2b3238;--surface: #343c43;--surface-soft: #2c333a;--muted: #c7cfd6;--hint: #d2dae2;--warning: #443a2a;--danger: #b24d4d;--danger-text: #f8f8f8}*{box-sizing:border-box;scrollbar-width:thin;scrollbar-color:var(--muted) transparent}*::-webkit-scrollbar{width:.45rem;height:.45rem}*::-webkit-scrollbar-track{background:transparent}*::-webkit-scrollbar-thumb{background-color:var(--muted);border-radius:var(--radius-pill)}*::-webkit-scrollbar-thumb:hover{background-color:var(--hint)}html,body,#app{width:100%;min-height:100%;margin:0}body{font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;background:var(--bg);color:var(--text);font-size:var(--fs-1);line-height:1.45;overflow:hidden}.app-shell{display:flex;height:100vh;overflow:hidden}.access-gate{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:var(--space-4)}.access-card{width:min(40rem,100%);background:var(--panel);border:.14rem solid var(--border);border-radius:1rem;padding:var(--space-4)}.access-card h1{margin:0 0 var(--space-2);font-size:var(--fs-4)}.access-card p{margin:0 0 var(--space-2)}.access-label{display:block;margin-bottom:var(--space-1);font-weight:600}.access-input{width:100%;border:.12rem solid var(--border);border-radius:.75rem;padding:.7rem .85rem;background:var(--surface);color:var(--text);font-size:var(--fs-1);outline:none}.access-input:focus{border-color:var(--blue)}.access-error{margin:var(--space-2) 0 0;color:#a20000;font-size:var(--fs-0)}.loading-card{text-align:center}.access-actions{margin-top:var(--space-3);display:flex;gap:var(--space-2)}.access-card.denied{text-align:center}.consent-card{width:min(46rem,100%);max-height:calc(100vh - 4rem);display:flex;flex-direction:column}.consent-scroll{flex:1 1 auto;min-height:0;overflow-y:auto;padding-right:var(--space-2);font-size:var(--fs-0);line-height:1.5}.consent-scroll h2{margin:var(--space-3) 0 var(--space-1);font-size:var(--fs-1)}.consent-scroll p{margin:0 0 var(--space-2)}.consent-scroll a{color:var(--blue)}.consent-details{margin:var(--space-2) 0;border:.1rem solid var(--border);border-radius:.75rem;padding:var(--space-2) var(--space-3)}.consent-details summary{cursor:pointer;font-weight:600}.consent-details[open] summary{margin-bottom:var(--space-2)}.consent-intro-checkboxes{font-weight:600;margin-top:var(--space-3)!important}.consent-checkboxes{display:flex;flex-direction:column;gap:var(--space-2)}.consent-checkbox{display:flex;align-items:flex-start;gap:var(--space-2);cursor:pointer}.consent-checkbox input{margin-top:.2rem;width:1.1rem;height:1.1rem;flex-shrink:0;cursor:pointer}.sidebar{width:clamp(220px,22vw,300px);background:var(--sidebar);border-radius:0 .7rem .7rem 0;padding:var(--space-3);position:relative;height:100vh;flex-shrink:0;transition:width .18s ease,padding .18s ease;overflow:visible}.sidebar-inner{height:100%;display:flex;flex-direction:column;justify-content:space-between;transition:opacity .12s ease;overflow:hidden}.sidebar.collapsed{width:0;padding:0;background:transparent}.sidebar.collapsed .sidebar-inner{opacity:0;pointer-events:none}.sidebar-toggle{position:absolute;top:1rem;right:-1.05rem;z-index:5;width:2.15rem;height:2.15rem;border-radius:999px;border:.12rem solid #1f1f1f;background:linear-gradient(145deg,#fafafa,#dedede);color:#1c1c1c;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;box-shadow:0 .18rem .45rem #1414142e;transition:transform .16s ease,box-shadow .16s ease,background .16s ease}.sidebar-toggle:hover{transform:scale(1.04);box-shadow:0 .25rem .6rem #14141440;background:linear-gradient(145deg,#fff,#e5e5e5)}.sidebar-toggle:active{transform:scale(.96)}.sidebar-toggle-icon{width:1.05rem;height:1.05rem}.sidebar-top{display:flex;align-items:center;gap:var(--space-2)}.logo-wrap{display:flex;gap:.45rem;align-items:center}.logo-mark{font-size:1rem}.logo-title{margin:0;font-weight:700;font-size:.75rem}.logo-sub{margin:0;color:gray;font-size:.62rem}.new-chat-btn{margin:var(--space-4) auto 0;width:clamp(130px,75%,200px);min-height:clamp(2.5rem,2.2rem + .8vw,3.2rem);border:none;border-radius:var(--radius-pill);background:var(--blue);color:#fff;font-size:var(--fs-2);cursor:pointer}.chat-list{margin-top:var(--space-5);flex:1;min-height:0;overflow-y:auto}.chat-list-title{color:var(--muted);font-size:var(--fs-1);margin:0 0 var(--space-1)}.chat-item{display:block;width:100%;text-align:left;border:none;background:transparent;font-size:var(--fs-2);padding:.3rem .7rem;cursor:pointer;font-weight:600}.chat-item.active{color:var(--text)}.chat-item-row{display:flex;align-items:center;gap:.25rem}.chat-delete-btn{border:none;background:transparent;color:var(--muted);font-size:.95rem;line-height:1;width:1.4rem;height:1.4rem;border-radius:999px;cursor:pointer;flex-shrink:0}.chat-delete-btn:hover{background:var(--surface-soft);color:var(--text)}.sidebar-bottom{display:flex;flex-direction:column;gap:var(--space-2);position:relative}.nav-pill{border:.12rem solid var(--border);border-radius:var(--radius-pill);text-decoration:none;color:var(--text);padding:.65rem .9rem;font-size:var(--fs-2);display:flex;align-items:center;justify-content:center;gap:.45rem}.profile-dropup{position:relative}.profile-summary{list-style:none;cursor:pointer;-webkit-user-select:none;user-select:none;justify-content:space-between;padding:.62rem .9rem;background:linear-gradient(145deg,var(--surface),var(--surface-soft))}.profile-summary::-webkit-details-marker{display:none}.menu-trigger-left{display:inline-flex;align-items:center;gap:.48rem}.menu-caret{width:.9rem;height:.9rem;transition:transform .16s ease}.profile-dropup[open] .menu-caret{transform:rotate(180deg)}.dropup-menu{position:absolute;left:0;right:0;bottom:calc(100% + .45rem);background:linear-gradient(160deg,var(--surface),var(--surface-soft));border:.12rem solid var(--border);border-radius:.95rem;padding:.4rem;display:flex;flex-direction:column;gap:.3rem;z-index:6;box-shadow:0 .35rem .95rem #00000029}.dropup-item{border:none;border-radius:.75rem;background:color-mix(in srgb,var(--panel) 70%,transparent);text-align:left;font-size:var(--fs-1);padding:.52rem .62rem;cursor:pointer;display:inline-flex;align-items:center;gap:.5rem;color:var(--text);transition:background-color .15s ease,transform .15s ease}.dropup-item:hover{background:color-mix(in srgb,var(--blue) 24%,var(--panel));transform:translateY(-1px)}.menu-icon{width:1rem;height:1rem;color:#2c5f95}.dropup-item .menu-icon,.profile-summary .menu-icon{fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}:root[data-theme=dark] .profile-summary,:root[data-theme=dark] .dropup-item{color:#fff}.main-panel{flex:1;padding:var(--space-3) var(--space-4) var(--space-3);display:flex;flex-direction:column;min-width:0;height:100vh;overflow-y:auto}.main-panel.chat-mode{overflow:hidden}.content-area{padding:var(--space-2) var(--space-2);flex:1;min-height:0}.chat-layout{display:flex;flex-direction:column;overflow:hidden;position:relative}.chat-flow{max-width:100%;padding:var(--space-2) var(--space-3);flex:1;min-height:0;overflow-y:auto}.assistant-line{font-size:var(--fs-2);margin:var(--space-2) 0 var(--space-3)}.chat-empty-state{color:var(--muted)}.mini-progress{display:flex;align-items:center;gap:.45rem;margin-top:.35rem;padding-left:.15rem;max-width:12rem}.mini-progress-track{flex:1;height:.3rem;background:color-mix(in srgb,var(--muted) 28%,transparent);border-radius:var(--radius-pill);overflow:hidden}.mini-progress-fill{height:100%;background:var(--blue);border-radius:var(--radius-pill);transition:width .45s ease}.mini-progress-label{font-size:var(--fs-0);color:var(--muted);white-space:nowrap}.message-list{display:flex;flex-direction:column;gap:var(--space-3)}.message-row{display:flex}.message-row.is-user{justify-content:flex-end}.message-row.is-assistant{justify-content:flex-start;flex-direction:column;align-items:flex-start}.message-bubble{max-width:min(100%,48rem);border-radius:var(--radius-soft);padding:var(--space-3);font-size:var(--fs-1);line-height:1.45;white-space:pre-wrap}.message-row.is-user .message-bubble{background:var(--bubble)}.message-row.is-assistant .message-bubble{background:var(--panel);border:.1rem solid #3c3c3c}.message-feedback{margin-top:.55rem;width:min(100%,48rem)}.feedback-buttons{display:flex;gap:.45rem}.feedback-btn{min-width:2.4rem;padding:.28rem .58rem;opacity:1;transition:background-color .15s ease,color .15s ease}.feedback-comment{width:min(26rem,100%);border:.1rem solid var(--border);border-radius:.7rem;background:var(--surface);color:var(--text);padding:.45rem .6rem;resize:none;min-height:2.35rem;max-height:5.5rem;font-size:var(--fs-0)}.feedback-actions{display:inline-flex;align-items:center}.feedback-error{color:#a20000;font-size:var(--fs-0);margin-top:.2rem}.feedback-inline{display:flex;align-items:flex-start;gap:.55rem;flex-wrap:wrap}.typing-row{margin-top:var(--space-2)}.typing-bubble{display:inline-block;background:var(--surface);border-radius:var(--radius-soft);padding:.5rem .75rem;color:var(--muted);font-size:var(--fs-0)}.chat-error{margin-top:var(--space-2);color:#a20000;font-size:var(--fs-0)}.survey-cta{margin-top:var(--space-3);display:flex;justify-content:center}.survey-cta .pill-btn{text-decoration:none}.chat-empty{flex:1}.chat-footer{margin:0 clamp(0rem,9vw,8rem) var(--space-2)}.chat-input-wrap{border:.12rem solid var(--border);border-radius:var(--radius-pill);min-height:clamp(3rem,2.5rem + 1vw,4rem);display:flex;align-items:flex-end;padding:.35rem .55rem .35rem 1rem;gap:.45rem}.chat-input-wrap textarea{border:none;background:transparent;color:var(--text);flex:1;font-size:var(--fs-2);font-family:inherit;line-height:1.3;outline:none;resize:none;min-height:1.6em;max-height:13.75rem;overflow-y:hidden;padding:.25rem 0;white-space:pre-wrap;word-break:break-word}.circle-btn{border:none;width:clamp(2.3rem,2rem + .8vw,3rem);height:clamp(2.3rem,2rem + .8vw,3rem);border-radius:var(--radius-pill);background:var(--surface-soft);display:inline-flex;align-items:center;justify-content:center;cursor:pointer;transition:background-color .18s ease,color .18s ease,opacity .18s ease}.btn-icon{width:68%;height:68%;fill:currentColor}.circle-btn.send{color:#105ca5}.circle-btn.stop{color:#7a1d1d;background:#efcaca}.single-stop{margin-left:auto}.circle-btn:disabled{background:#dfdfdf;color:#9b9b9b;cursor:not-allowed;opacity:1}.circle-btn.voice{color:var(--text)}.circle-btn.voice.listening{background:#b8d9ef;color:#105ca5}.text-page{max-width:72rem;padding:var(--space-2) 0;font-size:var(--fs-1)}.text-page h1{font-size:var(--fs-4);margin:0 0 var(--space-3);line-height:1.2}.text-page h2{font-size:var(--fs-3);margin:var(--space-4) 0 var(--space-2);line-height:1.25}.profile-grid{display:grid;grid-template-columns:minmax(120px,10rem) minmax(170px,15rem) minmax(180px,1fr);column-gap:var(--space-3);row-gap:var(--space-1);align-items:start}.profile-avatar{width:clamp(6rem,8vw,9rem);height:clamp(6rem,8vw,9rem);border-radius:var(--radius-pill);background:#b8ddf3;display:flex;align-items:center;justify-content:center;font-size:clamp(2.2rem,2rem + .9vw,3.5rem);grid-row:span 4}.hint-text{grid-column:2 / 4;font-style:italic;color:var(--hint);margin:var(--space-1) 0 0}.profile-disclaimer{border:.1rem solid var(--border);border-radius:var(--radius-soft);background:var(--warning);padding:var(--space-2) var(--space-3)}.profile-disclaimer p{margin:0}.pill-btn{border:none;border-radius:var(--radius-pill);padding:.2rem .9rem;font-size:var(--fs-1);font-weight:600}.pill-btn:disabled{opacity:.7;cursor:not-allowed}.pill-btn.blue{color:#2f88c6;background:#a8d7f3}.pill-btn.gray{color:#222;background:#c6c6c6}.pill-btn.feedback-btn.active{background:#a8d7f3;color:#2f88c6}.pill-btn.red{color:var(--danger-text);background:var(--danger)}.about-page p{max-width:74rem;line-height:1.45}.modal-overlay{position:absolute;top:0;right:0;bottom:0;left:0;background:#0f0f0f4d;display:flex;align-items:center;justify-content:center;padding:var(--space-3);z-index:20}.modal-card{width:min(62rem,100%);max-height:calc(100vh - 4rem);background:var(--panel);border:.14rem solid var(--border);border-radius:1rem;display:flex;flex-direction:column;overflow:hidden}.modal-header{padding:var(--space-3);border-bottom:.1rem solid color-mix(in srgb,var(--border) 45%,transparent);display:flex;align-items:center;justify-content:space-between;gap:var(--space-2)}.modal-header h2{margin:0;font-size:var(--fs-3)}.modal-close-btn{border:.1rem solid var(--border);background:transparent;color:var(--text);border-radius:999px;width:2rem;height:2rem;cursor:pointer;font-size:1rem;line-height:1}.modal-close-btn:hover{background:#00000014}.modal-body{overflow-y:auto;padding:var(--space-3)}.modal-body .text-page{max-width:100%;padding:0}.modal-body .text-page h1{margin-top:0}.voice-mode-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:40;background:#0f0f1480;display:flex;align-items:center;justify-content:center;padding:var(--space-3);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.voice-mode-card{width:min(52rem,100%);max-height:calc(100vh - 3rem);overflow:auto;background:var(--panel);border:.14rem solid var(--border);border-radius:1rem;padding:var(--space-3);box-shadow:0 16px 42px #0a101c3d}.voice-mode-header{display:flex;align-items:center;justify-content:space-between;gap:var(--space-2)}.voice-mode-header h2{margin:0;font-size:var(--fs-3)}.voice-mode-hint{margin:var(--space-2) 0;color:var(--muted)}.voice-mode-status{margin:0 0 var(--space-2);font-weight:700}.voice-transcript-panel{border:.1rem solid var(--border);border-radius:.8rem;background:var(--surface);padding:var(--space-2);margin-bottom:var(--space-2)}.voice-panel-title{margin:0 0 .3rem;font-size:var(--fs-0);color:var(--muted)}.voice-transcript-panel.history{max-height:16rem;overflow:auto}.voice-history-list p{margin:0 0 .42rem}.voice-actions{display:flex;justify-content:flex-end}.switch-row{display:flex;gap:var(--space-2);flex-wrap:wrap}.switch-btn{border:.1rem solid var(--border);border-radius:var(--radius-pill);background:var(--surface);color:var(--text);min-width:9rem;padding:.48rem .9rem;display:inline-flex;align-items:center;justify-content:center;gap:.45rem;cursor:pointer}.switch-btn.active{background:color-mix(in srgb,var(--blue) 25%,var(--surface));box-shadow:inset 0 0 0 .06rem color-mix(in srgb,var(--blue) 70%,transparent)}.switch-icon{font-size:.9rem;font-weight:700}.settings-note{margin:0 0 var(--space-2);color:var(--muted)}.placeholder-btn{cursor:not-allowed;opacity:.8}@media (max-width: 1120px){.chat-footer{margin:0 0 var(--space-2)}}@media (max-width: 860px){body{overflow:auto}.app-shell{flex-direction:column;height:auto;overflow:visible}.sidebar{width:100%;border-radius:0;height:auto;gap:var(--space-3);padding-right:calc(var(--space-3) + 1rem)}.sidebar.collapsed{width:100%;padding:var(--space-3);background:var(--sidebar)}.sidebar.collapsed .sidebar-inner{opacity:1;pointer-events:auto}.sidebar-toggle{right:.6rem}.chat-list{margin-top:var(--space-2);overflow:visible}.main-panel{padding:var(--space-2);height:auto;overflow:visible}.main-panel.chat-mode{height:auto;overflow:visible}.content-area,.chat-flow{padding:0}.chat-input-wrap{min-height:2.8rem}.modal-header{flex-direction:column;align-items:flex-start}.voice-mode-card{width:100%;max-height:calc(100vh - 1.2rem)}.profile-grid{grid-template-columns:1fr}.hint-text{grid-column:1}}