*,:before,:after{box-sizing:border-box;margin:0;padding:0}:root{--primary:#2c6e49;--primary-light:#4a9d6e;--primary-dark:#1b4d33;--primary-glow:#2c6e494d;--accent:#f59e0b;--accent-light:#fbbf24;--accent-glow:#f59e0b4d;--bg-primary:#0a0e1a;--bg-secondary:#111827;--bg-card:#ffffff0a;--bg-card-hover:#ffffff14;--bg-input:#ffffff0f;--text-primary:#f3f4f6;--text-secondary:#9ca3af;--text-muted:#6b7280;--border:#ffffff14;--border-active:#ffffff26;--error:#ef4444;--success:#10b981;--warning:#f59e0b;--info:#3b82f6;--radius-sm:8px;--radius-md:12px;--radius-lg:16px;--radius-xl:20px;--radius-full:9999px;--shadow-card:0 4px 24px #0000004d;--shadow-glow:0 0 20px var(--primary-glow);--safe-top:env(safe-area-inset-top,0px);--safe-bottom:env(safe-area-inset-bottom,0px);--nav-height:64px;--bar-height:56px;--font:"Inter", "Noto Sans Tamil", system-ui, -apple-system, 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var(--border);border-radius:var(--radius-lg);overflow:hidden}.history-card-header{width:100%;color:var(--text-primary);cursor:pointer;font-family:var(--font);background:0 0;border:none;justify-content:space-between;align-items:center;padding:16px;display:flex}.history-card-info{text-align:left;flex-direction:column;gap:4px;display:flex}.history-date{font-size:14px;font-weight:500}.history-status{align-items:center;gap:4px;font-size:12px;display:flex}.history-status.completed{color:var(--success)}.history-status.in_progress{color:var(--warning)}.history-card-body{flex-direction:column;gap:8px;padding:0 16px 16px;display:flex}.history-response{background:var(--bg-input);border-radius:var(--radius-sm);padding:8px 12px}.history-q{color:var(--text-secondary);font-size:13px}.history-a{color:var(--text-primary);margin-top:2px;font-size:14px;font-weight:500}.history-empty{color:var(--text-muted);text-align:center;padding:12px;font-size:13px}.settings-section{margin-bottom:24px}.settings-section-title{color:var(--text-secondary);align-items:center;gap:8px;margin-bottom:10px;padding-left:4px;font-size:14px;font-weight:600;display:flex}.settings-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden}.settings-row{justify-content:space-between;align-items:center;gap:12px;padding:16px;display:flex}.settings-label{color:var(--text-primary);font-size:14px;font-weight:500}.settings-id-row{align-items:center;gap:8px;display:flex}.display-id-small{color:var(--primary-light);background:var(--bg-input);border-radius:var(--radius-sm);padding:4px 10px;font-family:Courier New,monospace;font-size:14px;font-weight:600}.copy-success{color:var(--success);font-size:12px;font-weight:500}.settings-danger-btn{width:100%;color:var(--error);cursor:pointer;text-align:left;font-family:var(--font);background:0 0;border:none;justify-content:space-between;align-items:center;padding:16px;display:flex}.settings-danger-btn:disabled{opacity:.4;cursor:not-allowed}.danger-title{font-size:14px;font-weight:600}.danger-desc{color:var(--text-muted);margin-top:2px;font-size:12px}.settings-footer{text-align:center;flex-direction:column;gap:4px;padding:16px 0;display:flex}.disclaimer-small{color:var(--text-muted);font-size:10px}.empty-state{text-align:center;color:var(--text-muted);flex-direction:column;align-items:center;gap:12px;padding:48px 16px;display:flex}.empty-icon{opacity:.4}.error-state{text-align:center;color:var(--text-secondary);flex-direction:column;align-items:center;gap:12px;padding:48px 16px;display:flex}.error-icon{opacity:.4;color:var(--error)}.loading-spinner{flex-direction:column;justify-content:center;align-items:center;gap:12px;padding:48px;display:flex}.spinner-ring{border:3px solid var(--border);border-top-color:var(--primary-light);border-radius:50%;width:36px;height:36px}.spinner-circle{width:100%;height:100%}.spinner-text{color:var(--text-secondary);font-size:14px}::-webkit-scrollbar{width:4px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:var(--border);border-radius:var(--radius-full)}@media (width>=768px){.page-container{border-left:1px solid var(--border);border-right:1px solid var(--border)}}@media (width<=380px){.status-cards-grid{grid-template-columns:1fr}.hw-input-wrap{flex-direction:column}}.readings-list{flex-direction:column;gap:8px;margin-bottom:16px;display:flex}.reading-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-md);flex-direction:column;gap:4px;padding:12px 14px;display:flex}.reading-value strong{color:var(--text-primary);font-size:18px}.reading-meta{color:var(--text-muted);justify-content:space-between;align-items:center;font-size:12px;display:flex}.reading-type{color:var(--text-secondary);font-weight:500}.reading-notes{color:var(--text-muted);margin-top:4px;font-size:12px}.add-btn{z-index:1;width:100%;margin-top:8px;position:sticky;bottom:0}.modal-overlay{z-index:101;background:#0009;justify-content:center;align-items:flex-end;display:flex;position:fixed;inset:0}.modal-content{background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius-lg) var(--radius-lg) 0 0;padding:20px 16px calc(88px + env(safe-area-inset-bottom));flex-direction:column;gap:16px;width:100%;max-width:480px;max-height:85vh;display:flex;overflow-y:auto}.modal-header{justify-content:space-between;align-items:center;display:flex}.modal-header h3{margin:0;font-size:18px;font-weight:600}.modal-close{color:var(--text-secondary);cursor:pointer;background:0 0;border:none;padding:4px}.form-group{flex-direction:column;gap:6px;display:flex}.form-group label{color:var(--text-secondary);font-size:13px;font-weight:500}.form-select{background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-md);width:100%;color:var(--text-primary);padding:12px 14px;font-family:inherit;font-size:15px}.form-select:focus{border-color:var(--primary-light);outline:none}.form-select option{background:var(--bg-secondary);color:var(--text-primary)}.scale-row{flex-wrap:wrap;gap:6px;display:flex}.scale-chip{background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-md);min-width:56px;color:var(--text-secondary);text-align:center;cursor:pointer;flex:1;padding:8px 6px;font-size:12px;transition:all .15s}.scale-chip.active{background:var(--primary-light);color:#fff;border-color:var(--primary-light)}.checkbox-row label{color:var(--text-primary);cursor:pointer;align-items:center;gap:8px;font-size:14px;display:flex}.checkbox-row input[type=checkbox]{width:18px;height:18px;accent-color:var(--primary-light)}.toggle-label{cursor:pointer;flex-shrink:0;width:44px;height:24px;display:inline-block;position:relative}.toggle-label input{opacity:0;width:0;height:0;position:absolute}.toggle-slider{background:var(--text-muted);border-radius:24px;transition:background .25s;position:absolute;inset:0}.toggle-slider:before{content:"";background:#fff;border-radius:50%;width:18px;height:18px;transition:transform .25s;position:absolute;top:3px;left:3px}.toggle-label input:checked+.toggle-slider{background:var(--primary-light)}.toggle-label input:checked+.toggle-slider:before{transform:translate(20px)}.toggle-lg{width:52px!important;height:28px!important}.toggle-lg .toggle-slider:before{width:22px!important;height:22px!important}.toggle-lg input:checked+.toggle-slider:before{transform:translate(24px)!important}.settings-card-clickable{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);cursor:pointer;transition:border-color .2s;overflow:hidden}.settings-card-clickable:active{border-color:var(--border-active)}.settings-card-clickable .settings-row{-webkit-user-select:none;user-select:none}.settings-card-expanded{flex-direction:column;gap:12px;padding:0 16px 16px;display:flex}.chevron-rotate{transition:transform .25s}.chevron-rotate.open{transform:rotate(180deg)}:lang(ta) .greeting h2,:lang(ta) .home-header h2,:lang(ta) .status-card-value{font-size:18px}:lang(ta) .btn-primary,:lang(ta) .btn-secondary,:lang(ta) .form-input,:lang(ta) .action-card-title{font-size:13px}:lang(ta) .reading-value strong,:lang(ta) .modal-header h3{font-size:14px}:lang(ta) .reading-meta,:lang(ta) .reading-notes,:lang(ta) .reading-date{font-size:11px}:lang(ta) .form-select{font-size:14px}