*{box-sizing:border-box;margin:0;padding:0}:root{--bg-main:#f0f2f5;--bg-card:#fff;--bg-sidebar:#fff;--bg-sidebar-hover:#f0f2f5;--bg-sidebar-border:#eee;--bg-topbar:#fff;--bg-input:#fff;--bg-hover:#f5f5f5;--bg-accent:#fff3e0;--bg-accent-strong:#ffe0b2;--bg-accent-dark:#3d2418;--border-color:#eee;--border-light:#f5f5f5;--text-primary:#333;--text-secondary:#555;--text-muted:#999;--text-sidebar:#555;--text-sidebar-hover:#333;--shadow-card:0 1px 3px #0000000f}[data-theme=dark]{--bg-main:#1a1411;--bg-card:#261c16;--bg-sidebar:#2a1810;--bg-sidebar-hover:#3d2418;--bg-sidebar-border:#3d2418;--bg-topbar:#261c16;--bg-input:#322218;--bg-hover:#322218;--bg-accent:#3d2418;--bg-accent-strong:#4a3018;--bg-accent-dark:#4a3018;--border-color:#3d2418;--border-light:#2e2018;--text-primary:#f5e8d8;--text-secondary:#d4c0a8;--text-muted:#9a8470;--text-sidebar:#c0a888;--text-sidebar-hover:#f5e8d8;--shadow-card:0 1px 3px #00000080}body{-webkit-font-smoothing:antialiased;color:var(--text-primary);background:var(--bg-main);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,sans-serif;transition:background .3s,color .3s}a{color:inherit;text-decoration:none}button{font-family:inherit}input,select,textarea{color:var(--text-primary);background:var(--bg-input);font-family:inherit}[data-theme=dark] .card,[data-theme=dark] .welcome-card,[data-theme=dark] .stat-card,[data-theme=dark] .info-card,[data-theme=dark] .section,[data-theme=dark] .topic-detail,[data-theme=dark] .topic-card,[data-theme=dark] .article-card,[data-theme=dark] .expert-card,[data-theme=dark] .conversation-card,[data-theme=dark] .notification-item,[data-theme=dark] .news-card,[data-theme=dark] .appointment-card,[data-theme=dark] .chat-area,[data-theme=dark] .chat-sidebar,[data-theme=dark] .editor-form,[data-theme=dark] .profile-card,[data-theme=dark] .schedule-grid,[data-theme=dark] .settings-section{background:var(--bg-card)!important;color:var(--text-primary)!important;border-color:var(--border-color)!important}[data-theme=dark] table th{color:var(--text-muted)!important;border-bottom-color:var(--border-color)!important}[data-theme=dark] table td{border-bottom-color:var(--border-light)!important;color:var(--text-secondary)!important}[data-theme=dark] input,[data-theme=dark] select,[data-theme=dark] textarea{background:var(--bg-input)!important;color:var(--text-primary)!important;border-color:var(--border-color)!important}[data-theme=dark] h2,[data-theme=dark] h3,[data-theme=dark] h4{color:var(--text-primary)!important}[data-theme=dark] p,[data-theme=dark] span:not(.nav-icon):not(.user-badge):not(.status-badge):not(.report-badge):not(.nav-label):not(.badge):not(.week-badge):not(.topic-week):not(.topic-cat):not(.detail-cat):not(.expert-badge){color:var(--text-secondary)!important}[data-theme=dark] strong{color:var(--text-primary)!important}[data-theme=dark] .filter-btn{background:var(--bg-card)!important;color:var(--text-secondary)!important;border-color:var(--border-color)!important}[data-theme=dark] .filter-btn.active{color:#fff!important;background:#f57c00!important;border-color:#f57c00!important}[data-theme=dark] .btn-sm{background:var(--bg-hover)!important;color:var(--text-secondary)!important}[data-theme=dark] .muted{color:var(--text-muted)!important}[data-theme=dark] .comment{border-bottom-color:var(--border-light)!important}[data-theme=dark] .reaction-btn{background:var(--bg-hover)!important;color:var(--text-secondary)!important}[data-theme=dark] .detail-reactions{border-bottom-color:var(--border-color)!important}[data-theme=dark] .replies{border-left-color:var(--border-color)!important}[data-theme=dark] .comment-input input{background:var(--bg-input)!important;border-color:var(--border-color)!important;color:var(--text-primary)!important}[data-theme=dark] .week-item,[data-theme=dark] .day-slot,[data-theme=dark] .mood-btn,[data-theme=dark] .symptom-tag{background:var(--bg-card)!important;border-color:var(--border-color)!important;color:var(--text-secondary)!important}[data-theme=dark] .row-reported{background:#2a1a1a!important}[data-theme=dark] .chat-messages{background:var(--bg-main)!important}[data-theme=dark] .message-bubble{background:var(--bg-card)!important;color:var(--text-primary)!important}[data-theme=dark] .chat-input{background:var(--bg-card)!important;border-top-color:var(--border-color)!important}[data-theme=dark] .login-page h2{color:var(--text-primary)!important}[data-theme=dark] .input-group label{color:var(--text-secondary)!important}[data-theme=dark] .input-group input{background:var(--bg-input)!important;border-color:var(--border-color)!important;color:var(--text-primary)!important}[data-theme=dark] .remember{color:var(--text-secondary)!important}[data-theme=dark] .btn-social{background:var(--bg-input)!important;border-color:var(--border-color)!important;color:var(--text-primary)!important}[data-theme=dark] .btn-social:hover{background:var(--bg-hover)!important}[data-theme=dark] .btn-social.apple{color:#000!important;background:#fff!important;border-color:#fff!important}[data-theme=dark] .btn-social.apple:hover{background:#e0e0e0!important}[data-theme=dark] .divider:before,[data-theme=dark] .divider:after{background:var(--border-color)!important}[data-theme=dark] .switch-text{color:var(--text-muted)!important}[data-theme=dark] .expert-badge{color:#5c9ce6!important;background:#1a2a4a!important}