:root{--color-teal:#1d9e75;--color-teal-light:#e1f5ee;--color-teal-text:#0f6e56;--color-surface:#f7f7f5;--color-card:#fff;--color-border:#e8e8e8;--color-border-secondary:#b0b0b0;--color-text-primary:#1a1a1a;--color-text-secondary:#555;--color-text-muted:#888;--color-sidebar-bg:#f5f5f3;--sidebar-width:200px;--topbar-height:52px}*,:after,:before{box-sizing:border-box;margin:0;padding:0}body,html{height:100%;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Helvetica,Arial,sans-serif;font-size:14px;color:var(--color-text-primary);background-color:var(--color-surface);-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button{font-family:inherit;cursor:pointer}input,select,textarea{font-family:inherit;font-size:14px}::-webkit-scrollbar{width:4px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:#d0d0d0;border-radius:4px}.btn-primary{background-color:var(--color-teal);color:#fff;border:none;border-radius:8px;padding:10px 16px;font-size:14px;font-weight:500;cursor:pointer;transition:opacity .15s}.btn-primary:hover{opacity:.9}.btn-primary:disabled{opacity:.5;cursor:not-allowed}.btn-primary-full{composes:btn-primary;width:100%}.btn-outline{background:transparent;border:1px solid var(--color-border);color:var(--color-text-primary);border-radius:8px;padding:9px 16px;font-size:14px;cursor:pointer;transition:border-color .15s}.btn-outline:hover{border-color:var(--color-border-secondary)}.card{background:var(--color-card);border-radius:12px;border:.5px solid var(--color-border)}.input{width:100%;border:1px solid var(--color-border);border-radius:8px;padding:9px 12px;font-size:14px;outline:none;transition:border-color .15s;background:#fff}.input:focus{border-color:var(--color-teal)}.label{font-size:12px;font-weight:500;color:var(--color-text-secondary);display:block;margin-bottom:5px}.feed-card:hover{border-color:#7a9e7e}.feed-card:focus-visible{border-color:#7a9e7e;outline:2px solid #7a9e7e;outline-offset:2px}@keyframes spin{to{transform:rotate(1turn)}}.spinner{display:inline-block;width:14px;height:14px;border:2px solid hsla(0,0%,100%,.3);border-top-color:#fff;border-radius:50%;animation:spin .6s linear infinite;vertical-align:middle}.spinner-muted{border-color:rgba(0,0,0,.1);border-top-color:var(--color-text-secondary)}