:root{--theme-primary:#208085;--theme-accent:#32b8c6;--theme-bg-primary:#f0f8ff;--theme-bg-secondary:#e8f4f8;--theme-card-bg:#2080850d;--theme-card-border:#20808533;--theme-gradient:linear-gradient(135deg,var(--theme-primary),var(--theme-accent))}[data-dashboard-theme=blue]{--theme-primary:#208085;--theme-accent:#32b8c6;--theme-bg-primary:#f0f8ff;--theme-bg-secondary:#e8f4f8;--theme-card-bg:#2080850d;--theme-card-border:#20808533;--theme-gradient:linear-gradient(135deg,#208085,#32b8c6);--theme-glow:0 0 20px #2080854d}[data-dashboard-theme=blue].dark{--theme-bg-primary:#0f1419;--theme-bg-secondary:#1a2332;--theme-card-bg:#32b8c614;--theme-card-border:#32b8c640}[data-dashboard-theme=purple]{--theme-primary:#8b5fbf;--theme-accent:#d8bfd8;--theme-bg-primary:#f8f0ff;--theme-bg-secondary:#f0e8f8;--theme-card-bg:#8b5fbf0d;--theme-card-border:#8b5fbf33;--theme-gradient:linear-gradient(135deg,#8b5fbf,#d8bfd8);--theme-glow:0 0 20px #8b5fbf4d}[data-dashboard-theme=purple].dark{--theme-bg-primary:#1a0f24;--theme-bg-secondary:#2d1f42;--theme-card-bg:#d8bfd814;--theme-card-border:#d8bfd840}[data-dashboard-theme=green]{--theme-primary:#228b22;--theme-accent:#90ee90;--theme-bg-primary:#f0fff0;--theme-bg-secondary:#e8f8e8;--theme-card-bg:#228b220d;--theme-card-border:#228b2233;--theme-gradient:linear-gradient(135deg,#228b22,#90ee90);--theme-glow:0 0 20px #228b224d}[data-dashboard-theme=green].dark{--theme-bg-primary:#0f1a0f;--theme-bg-secondary:#1a2d1a;--theme-card-bg:#90ee9014;--theme-card-border:#90ee9040}[data-dashboard-theme=orange]{--theme-primary:#ff8c00;--theme-accent:gold;--theme-bg-primary:#fff8f0;--theme-bg-secondary:#fff0e0;--theme-card-bg:#ff8c000d;--theme-card-border:#ff8c0033;--theme-gradient:linear-gradient(135deg,#ff8c00,gold);--theme-glow:0 0 20px #ff8c004d}[data-dashboard-theme=orange].dark{--theme-bg-primary:#1a140f;--theme-bg-secondary:#2d2318;--theme-card-bg:#ffd70014;--theme-card-border:#ffd70040}.theme-bg-primary{background-color:var(--theme-bg-primary)}.theme-bg-secondary{background-color:var(--theme-bg-secondary)}.theme-bg-card{background-color:var(--theme-card-bg);border:1px solid var(--theme-card-border)}.theme-text-primary{color:var(--theme-primary)}.theme-text-accent{color:var(--theme-accent)}.theme-gradient{background:var(--theme-gradient)}.theme-gradient-text{background:var(--theme-gradient);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text}.theme-border{border-color:var(--theme-primary)}.theme-border-accent{border-color:var(--theme-accent)}.theme-glow{box-shadow:var(--theme-glow)}.theme-button{background:var(--theme-gradient);color:#fff;border:none;transition:all .3s}.theme-button:hover{box-shadow:var(--theme-glow);transform:translateY(-2px)}.theme-button-outline{color:var(--theme-primary);border:2px solid var(--theme-primary);background:0 0;transition:all .3s}.theme-button-outline:hover{background:var(--theme-gradient);color:#fff;border-color:#0000}.course-card-themed{background:var(--theme-card-bg);border:1px solid var(--theme-card-border);border-radius:1rem;transition:all .3s cubic-bezier(.4,0,.2,1)}.course-card-themed:hover{box-shadow:var(--theme-glow);border-color:var(--theme-primary);transform:translateY(-4px)}.course-card-themed .course-header{background:var(--theme-gradient);color:#fff;border-radius:1rem 1rem 0 0;padding:1rem}.course-card-themed .course-progress{background:#0000001a;border-radius:2px;height:4px;overflow:hidden}.course-card-themed .course-progress-bar{background:var(--theme-gradient);height:100%;transition:width .5s}.study-modal-themed{background:var(--theme-bg-primary)}.study-modal-themed .modal-header{background:var(--theme-gradient);color:#fff}.study-video-card-themed{background:var(--theme-card-bg);border-left:4px solid var(--theme-primary)}.study-video-card-themed:hover{background:var(--theme-card-bg);box-shadow:var(--theme-glow)}.study-progress-ring{stroke:var(--theme-primary)}.study-badge-themed{background:var(--theme-gradient);color:#fff;border-radius:9999px;padding:.25rem .75rem;font-size:.75rem;font-weight:500}@keyframes theme-pulse{0%,to{box-shadow:0 0 0 0 rgba(var(--theme-primary-rgb),.4)}50%{box-shadow:0 0 0 10px rgba(var(--theme-primary-rgb),0)}}.theme-pulse{animation:2s ease-in-out infinite theme-pulse}.theme-transition{transition:background-color .5s cubic-bezier(.4,0,.2,1),border-color .5s cubic-bezier(.4,0,.2,1),color .3s}@media (prefers-reduced-motion:reduce){.theme-transition,.course-card-themed,.theme-button{transition:none}.theme-pulse{animation:none}}@media (prefers-contrast:high){:root{--theme-card-border:var(--theme-primary)}.course-card-themed{border-width:2px}}