:root[data-theme=dark],:root{--bg-primary:#0f1115;--bg-secondary:#0a0c10;--bg-tertiary:#0d0f14;--bg-elevated:linear-gradient(135deg,#0a0c10,#0d0f14);--surface-primary:#ffffff14;--surface-hover:#ffffff24;--surface-active:#ffffff0f;--border-primary:#ffffff14;--border-secondary:#ffffff0d;--border-focus:#fff3;--text-primary:#e7e9ea;--text-secondary:#ffffff80;--text-tertiary:#fff6;--accent-primary:#fff;--accent-secondary:#ffffff1f;--shadow-sm:0 2px 8px #0003;--shadow-md:0 4px 12px #0000004d;--shadow-lg:0 8px 24px #0006;--glow-primary:#ffffff14;--glow-secondary:#ffffff0a;--error-bg:#ff50502e;--error-border:#ff646459;--error-text:#ffa0a0f2}:root[data-theme=farmer]{--bg-primary:#1a1f15;--bg-secondary:#141810;--bg-tertiary:#232b1e;--bg-elevated:linear-gradient(135deg,#2d3a24,#1f2819);--surface-primary:#8bc34a26;--surface-hover:#8bc34a38;--surface-active:#8bc34a1a;--border-primary:#8bc34a40;--border-secondary:#8bc34a26;--border-focus:#8bc34a;--text-primary:#e8f5e1;--text-secondary:#b8d4a8;--text-tertiary:#b8d4a8b3;--accent-primary:#8bc34a;--accent-secondary:#8bc34a33;--shadow-sm:0 2px 8px #0006;--shadow-md:0 4px 12px #00000080;--shadow-lg:0 8px 24px #0009;--glow-primary:#8bc34a33;--glow-secondary:#8bc34a1f;--error-bg:#ff8a652e;--error-border:#ff8a6559;--error-text:#ffab91;--harvest-gold:#ffd54f;--earth-brown:#6d4c41;--sky-blue:#81c784}:root[data-theme=light]{--bg-primary:#fff;--bg-secondary:#f8f9fa;--bg-tertiary:#f1f3f5;--bg-elevated:linear-gradient(135deg,#fff,#f8f9fa);--surface-primary:#0000000a;--surface-hover:#00000014;--surface-active:#00000005;--border-primary:#0000001a;--border-secondary:#0000000f;--border-focus:#0003;--text-primary:#1a1a1a;--text-secondary:#0009;--text-tertiary:#0006;--accent-primary:#1a73e8;--accent-secondary:#1a73e81a;--shadow-sm:0 1px 3px #00000014;--shadow-md:0 2px 8px #0000001f;--shadow-lg:0 4px 16px #00000029;--glow-primary:#1a73e814;--glow-secondary:#1a73e80a;--error-bg:#dc35451a;--error-border:#dc35454d;--error-text:#c82333}.theme-toggle-container{border-bottom:1px solid var(--border-secondary);padding:20px}.theme-toggle-label{text-transform:uppercase;letter-spacing:.5px;color:var(--text-tertiary);margin-bottom:12px;font-size:.75rem;font-weight:600}.theme-options{flex-direction:column;gap:10px;display:flex}.theme-option{background:var(--surface-active);border:1.5px solid var(--border-secondary);cursor:pointer;border-radius:12px;align-items:center;gap:12px;padding:12px;transition:all .3s cubic-bezier(.4,0,.2,1);display:flex;position:relative;overflow:hidden}.theme-option:before{content:"";background:var(--glow-primary);opacity:0;transition:opacity .3s;position:absolute;inset:0}.theme-option:hover:before{opacity:1}.theme-option:hover{border-color:var(--border-primary);box-shadow:var(--shadow-md);transform:translateY(-2px)}.theme-option.active{background:var(--surface-primary);border-color:var(--accent-primary);box-shadow:0 0 0 3px var(--accent-secondary)}.theme-preview{width:48px;height:48px;box-shadow:var(--shadow-sm);z-index:1;border:1px solid #ffffff1a;border-radius:10px;flex-shrink:0;justify-content:center;align-items:center;display:flex;position:relative}.theme-icon{filter:drop-shadow(0 2px 4px #0003);font-size:1.5rem}.theme-info{z-index:1;flex-direction:column;flex:1;gap:2px;display:flex;position:relative}.theme-name{color:var(--text-primary);font-size:.9rem;font-weight:600}.theme-desc{color:var(--text-tertiary);font-size:.75rem}.theme-check{background:var(--accent-primary);width:24px;height:24px;color:var(--bg-primary);z-index:1;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;animation:.3s cubic-bezier(.34,1.56,.64,1) scaleIn;display:flex;position:relative}@keyframes scaleIn{0%{opacity:0;transform:scale(0)}to{opacity:1;transform:scale(1)}}*{box-sizing:border-box}html,body{height:100%;margin:0;padding:0}body{background:var(--bg-primary);color:var(--text-primary);font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Arial;transition:background-color .3s,color 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var(--error-border);color:var(--error-text);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);z-index:999;border-radius:10px;align-items:center;gap:12px;padding:14px 22px;font-size:.9rem;display:flex;position:fixed;bottom:28px;left:50%;transform:translate(-50%)}.sidebar{background:var(--bg-elevated);border-right:1px solid var(--border-secondary);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);flex-direction:column;width:360px;transition:transform .3s,width .3s;display:flex}.sidebar-header{border-bottom:1px solid var(--border-secondary);justify-content:space-between;align-items:center;padding:22px;display:flex}.logo-text{flex:1;font-size:1.2rem;font-weight:600}.sidebar-header-actions{align-items:center;gap:8px;display:flex}.new-chat-btn{background:var(--surface-primary);border:1px solid var(--border-primary);color:var(--text-primary);cursor:pointer;border-radius:8px;padding:6px 12px;font-size:.85rem;transition:all 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0 20px;font-size:1.3rem;font-weight:600}.modal-input{background:var(--surface-primary);border:1px solid var(--border-primary);width:100%;color:var(--text-primary);border-radius:10px;outline:none;margin-bottom:20px;padding:12px 16px;font-size:.95rem;transition:all .25s}.modal-input::placeholder{color:var(--text-tertiary)}.modal-input:focus{border-color:var(--border-focus);box-shadow:0 0 0 3px var(--glow-primary)}.modal-actions{justify-content:flex-end;gap:12px;display:flex}.modal-btn-cancel,.modal-btn-save{cursor:pointer;border:1px solid var(--border-primary);border-radius:10px;padding:10px 20px;font-size:.9rem;transition:all 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18px}.chat-avatar{width:38px;height:38px}.chat-name{font-size:.9rem}.chat-preview{font-size:.75rem}.modal-content,.history-panel{width:95%;max-width:none}.modal-title,.history-title{font-size:1.1rem}}