:root{--bg: #f8fafc;--text: #1f2937;--card-bg: #ffffff;--border: #e5e7eb;--primary: #111827;--primary-light: #374151;--radius: .5rem;--shadow: 0 1px 4px rgba(0, 0, 0, .08);font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:var(--bg);color:var(--text)}body{margin:0;padding:0}.app{min-height:100vh;display:flex;flex-direction:column}.app-header{background:var(--primary);color:#fff;padding:1rem 1.25rem;position:sticky;top:0;z-index:10}.app-header h1{margin:0;font-size:1.35rem;font-weight:600}.header-row{display:flex;align-items:center;justify-content:space-between;gap:1rem;flex-wrap:wrap}.app-main{display:flex;flex-direction:column;gap:1rem;padding:1rem;flex:1}h2{margin-top:0;font-size:1.15rem;font-weight:600}.card{background:var(--card-bg);border-radius:var(--radius);padding:1rem;box-shadow:var(--shadow);border:1px solid var(--border)}label{display:flex;flex-direction:column;gap:.35rem;font-size:.85rem;margin-bottom:.75rem}input,textarea,select{padding:.55rem .65rem;border-radius:var(--radius);border:1px solid var(--border);font-size:.9rem;background:#fff}textarea{resize:vertical}button{margin-top:.5rem;padding:.6rem .9rem;border-radius:var(--radius);border:none;background:var(--primary);color:#fff;font-weight:600;cursor:pointer}button:disabled{opacity:.6;cursor:default}.row{display:flex;gap:.75rem}.row>label{flex:1}.header-menu{position:relative}.menu-toggle{margin-top:0;background:transparent;border:1px solid #ffffff40;color:#fff;padding:.35rem .6rem;border-radius:.4rem;font-size:1.1rem;line-height:1}.menu-panel{position:absolute;right:0;top:calc(100% + .5rem);background:#fff;border:1px solid var(--border);border-radius:.5rem;box-shadow:var(--shadow);min-width:200px;padding:.4rem;z-index:20;display:flex;flex-direction:column;gap:.25rem}.menu-item{margin-top:0;background:transparent;color:var(--primary);border:1px solid transparent;text-align:left;padding:.5rem .6rem;border-radius:.35rem;font-weight:600}.menu-item.is-active{background:#f3f4f6;border-color:var(--border)}.logout-item{color:#b91c1c}.main-panel{flex:1 1 auto;display:flex;flex-direction:column;gap:1rem}.section-tabs{display:flex;gap:.5rem;flex-wrap:wrap;padding:.25rem 0 0}.section-tabs.in-header{margin-top:.5rem}.section-tab{border:1px solid transparent;background:transparent;color:#e5e7eb;padding:.35rem .75rem;border-radius:.35rem;cursor:pointer;font-weight:600;margin-top:0}.section-tab.is-active{background:#fff;color:var(--primary);border-color:#fff}.section-divider{border-top:1px dashed var(--border);margin:.25rem 0;width:100%}.auth-screen{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:2rem}.auth-card{max-width:420px;width:100%}.auth-error{margin-top:.75rem;color:#b91c1c;font-weight:600}