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18px;box-shadow:var(--shadow);resize:none;overflow-y:hidden;line-height:1.45;max-height:180px;font-family:inherit;font-size:14px;outline:none;transition:border-color .15s}.chat-input textarea:focus{border-color:var(--accent)}.chat-input textarea::placeholder{color:var(--text-muted)}.chat-input .btn-icon{width:44px;height:44px;border-radius:50%;background:var(--accent);color:var(--accent-text)}.chat-input .btn-icon:hover:not(:disabled){background:var(--accent-hover)}.chat-input .btn-icon:disabled{opacity:.4}.avatar{width:40px;height:40px;background:var(--accent-soft);color:var(--accent);border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:15px;flex-shrink:0}.empty-state{text-align:center;padding:48px 24px;display:flex;flex-direction:column;align-items:center;gap:12px}.empty-state.small{padding:20px}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0006;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);display:flex;align-items:center;justify-content:center;z-index:100;padding:16px}.modal{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:24px;width:100%;max-width:460px;max-height:calc(100vh - 32px);overflow-y:auto;box-shadow:var(--shadow)}.modal-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px}.modal-header h3{font-family:var(--font-serif);font-size:18px;font-weight:500}.modal-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:22px}.settings-group{margin-bottom:22px}.settings-group>label{display:block;font-size:13px;font-weight:600;margin-bottom:8px}.settings-group .hint{font-size:12px;color:var(--text-muted);margin-bottom:10px}.seg{display:flex;gap:6px;flex-wrap:wrap}.seg button{padding:8px 14px;border-radius:999px;border:1px solid var(--border);background:var(--surface);color:var(--text-muted);font-size:13px}.seg button:hover{border-color:var(--text-muted);color:var(--text)}.seg button.on{background:var(--accent-soft);color:var(--accent);border-color:transparent;font-weight:600}.feedback-textarea{width:100%;background:var(--surface);border:1px solid var(--border);color:var(--text);border-radius:var(--radius-sm);padding:11px 13px;font-size:14px;font-family:inherit;resize:vertical;outline:none;transition:border-color .15s}.feedback-textarea:focus{border-color:var(--accent)}.welcome-modal .welcome-lead{font-size:14px;line-height:1.6;color:var(--text-muted);margin-bottom:12px}.welcome-modal .welcome-lead strong{color:var(--text)}.feedback-done{text-align:center;padding:8px 4px}.feedback-done h3{font-family:var(--font-serif);font-size:20px;font-weight:500;margin-bottom:6px}.feedback-check{width:52px;height:52px;border-radius:50%;background:var(--success-bg);color:var(--success-text);display:flex;align-items:center;justify-content:center;margin:0 auto 14px}.pick-file{width:100%;display:flex;align-items:center;justify-content:center;gap:10px;background:var(--surface);color:var(--text);border:1px solid var(--border);border-radius:var(--radius-sm);padding:16px;font-size:15px;font-weight:500;box-shadow:var(--shadow)}.pick-file:disabled{opacity:.5}.pick-file svg{color:var(--text-muted)}.pick-file-hint{margin-top:10px;text-align:center}.processing-box{width:100%;max-width:460px;margin:0 auto;background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius);padding:18px;display:flex;flex-direction:column;align-items:center;gap:8px;text-align:center}.processing-box .spinner{margin-bottom:4px}.processing-title{font-weight:600;font-size:14px}.processing-hint{font-size:12.5px;color:var(--text-muted);line-height:1.5}.processing-warn{font-size:12px;color:var(--accent);margin-top:2px}.toast{position:fixed;bottom:22px;left:50%;transform:translate(-50%);background:var(--text);color:var(--bg);padding:11px 18px;border-radius:999px;font-size:13px;box-shadow:var(--shadow);z-index:200;display:flex;align-items:center;gap:8px;animation:toast-in .2s ease}@keyframes toast-in{0%{opacity:0;transform:translate(-50%,8px)}to{opacity:1;transform:translate(-50%)}}.folder-menu{position:relative}.folder-menu-pop{position:absolute;right:0;top:calc(100% + 4px);background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);box-shadow:var(--shadow);z-index:30;min-width:168px;padding:4px}.folder-menu-pop button{display:flex;align-items:center;gap:9px;width:100%;padding:9px 10px;border-radius:6px;background:transparent;color:var(--text);font-size:13px;text-align:left}.folder-menu-pop button:hover{background:var(--hover)}.folder-menu-pop button.danger{color:var(--danger)}.folder-menu-pop button.danger:hover{background:var(--danger-bg)}.onboarding{width:100%;max-width:460px;background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius);padding:18px 20px;margin-bottom:28px}.onboarding h3{font-family:var(--font-serif);font-size:17px;font-weight:500;margin-bottom:12px}.onboarding ol{list-style:none;counter-reset:step;display:flex;flex-direction:column;gap:10px}.onboarding li{counter-increment:step;display:flex;gap:12px;align-items:flex-start;font-size:13.5px;line-height:1.45}.onboarding li:before{content:counter(step);flex-shrink:0;width:22px;height:22px;border-radius:50%;background:var(--accent);color:var(--accent-text);display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:600}.mic-hint{font-size:12px;color:var(--text-muted);margin-top:-6px}.suggestion-reason{background:var(--surface-2);border-radius:var(--radius-sm);padding:12px 14px;font-size:13px;color:var(--text-muted);margin-bottom:16px}.suggestion-pick{font-weight:600;color:var(--text)}.suggestion-options{display:flex;flex-direction:column;gap:8px;margin:12px 0;max-height:38vh;overflow-y:auto;padding-right:2px}.suggestion-option{display:flex;align-items:center;gap:10px;width:100%;text-align:left;padding:11px 14px;border-radius:var(--radius-sm);border:1px solid var(--border);background:var(--surface);color:var(--text);font-size:13px}.suggestion-option:hover{border-color:var(--accent)}.suggestion-option.selected{border-color:var(--accent);background:var(--accent-soft)}.suggestion-option svg{flex-shrink:0;color:var(--text-muted)}.suggestion-sep{display:flex;align-items:center;gap:10px;margin:14px 0 6px;font-size:11px;text-transform:uppercase;letter-spacing:.06em;color:var(--text-muted)}.suggestion-sep:before,.suggestion-sep:after{content:"";flex:1;height:1px;background:var(--border)}.suggestion-field-label{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.06em;color:var(--text-muted);margin:14px 0 6px}.suggestion-input-wrap{display:flex;align-items:center;gap:9px;margin:8px 0 2px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);padding:0 13px}.suggestion-input-wrap:focus-within{border-color:var(--accent)}.suggestion-input-wrap svg{flex-shrink:0;color:var(--accent)}.suggestion-input-wrap input{flex:1;min-width:0;border:none;background:transparent;padding:10px 0;color:var(--text);font-family:var(--font-sans);font-size:14px}.suggestion-input-wrap input:focus{outline:none}.chat-starter{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:18px;padding:30px 20px;width:100%}.chat-starter h2{font-family:var(--font-serif);font-size:26px;font-weight:500;text-align:center}.chat-starter .chat-input{padding:0}.starter-actions{display:flex;flex-wrap:wrap;gap:10px;justify-content:center}.starter-chip{display:flex;align-items:center;gap:8px;padding:9px 15px;border-radius:999px;border:1px solid var(--border);background:var(--surface);color:var(--text);font-size:13px;box-shadow:var(--shadow)}.starter-chip:hover{background:var(--surface-2);border-color:var(--accent)}.starter-chip svg{color:var(--accent);flex-shrink:0}@media (max-width: 760px){.sidebar{position:fixed;top:0;left:0;bottom:0;z-index:60;transform:translate(-100%);width:var(--sidebar-w);box-shadow:var(--shadow)}.app-shell.collapsed .sidebar{width:var(--sidebar-w)}.sidebar.open{transform:translate(0)}.sidebar-overlay{display:block;position:fixed;top:0;right:0;bottom:0;left:0;background:#0006;z-index:55}.desktop-reopen{display:none}.topbar-mobile{display:flex;align-items:center;gap:12px;height:var(--header-h);padding:0 12px;border-bottom:1px solid var(--border);flex-shrink:0}.topbar-mobile .hamburger{background:transparent;color:var(--text);width:36px;height:36px;border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center}.home{padding:6vh 18px 40px}.home-greeting h1{font-size:25px}.bubble{max-width:92%}.url-form{flex-direction:column}}