.theme-dashboard{padding:1.5rem;background:rgba(255,255,255,.7);backdrop-filter:blur(10px);border-radius:24px;border:1px rgba(229,231,235,.5);box-shadow:0 8px 32px rgba(0,0,0,.05)}.theme-tabs{display:flex;gap:1rem;margin-bottom:2rem;border-bottom:1px solid #f3f4f6;padding-bottom:.5rem}.theme-tab-item{padding:.5rem 1rem;font-size:1rem;font-weight:700;color:#6b7280;cursor:pointer;transition:all .3s ease;position:relative}.theme-tab-item.active,.theme-tab-item:hover{color:#111827}.theme-tab-item.active:after{content:"";position:absolute;bottom:-.6rem;left:0;width:100%;height:3px;background:#111827;border-radius:2px}.theme-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:1.5rem}.theme-card{background:white;border-radius:20px;padding:1.5rem;border:1px solid #f3f4f6;transition:all .3s cubic-bezier(.4,0,.2,1);cursor:pointer;display:flex;flex-direction:column;gap:.75rem}.theme-card:hover{transform:translateY(-4px);box-shadow:0 12px 24px rgba(0,0,0,.08);border-color:#e5e7eb}.theme-card-header{display:flex;justify-content:space-between;align-items:flex-start}.theme-name{font-size:1.125rem;font-weight:800;color:#111827;line-height:1.4}.popular-badge{background:#eff6ff;color:#3b82f6;font-size:.75rem;font-weight:700;padding:.25rem .5rem;border-radius:6px}.theme-change{font-size:1.25rem;font-weight:800}.theme-change.positive{color:#ef4444}.theme-change.negative{color:#3b82f6}.theme-subtitle{font-size:.875rem;color:#6b7280;font-weight:500}@media (max-width:640px){.theme-grid{grid-template-columns:1fr}}