:root{--bg:#f5f7f9;--panel:#fff;--line:#d8dee5;--line-strong:#b8c2cc;--text:#1f2933;--muted:#617083;--primary:#0f766e;--primary-dark:#0b5f59;--shadow:0 10px 24px rgba(16,24,40,.08)}#app,body,html{height:100%}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Hiragino Sans,Noto Sans JP,sans-serif;font-size:14px}.app-shell{background:var(--bg)!important;min-height:100vh}.app-topbar{height:64px;background:var(--panel);border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 24px;position:sticky;top:0;z-index:10}.page-title{font-size:18px;font-weight:700;color:var(--text)}.top-actions{display:flex;align-items:center;gap:10px}.user-label{color:var(--muted);font-size:13px}.button{border:1px solid var(--line-strong);background:#fff;color:var(--text);border-radius:6px;padding:8px 12px;cursor:pointer;min-height:36px;font:inherit}.button:hover{background:#f8fafc}.button.primary{border-color:var(--primary);background:var(--primary);color:#fff}.button.primary:hover{background:var(--primary-dark)}.button:disabled{opacity:.45;cursor:not-allowed}.app-main{background:var(--bg)}.app-main--login{display:flex;align-items:center;justify-content:center}.content-wrap{padding:22px 24px 36px;display:grid;gap:16px}.panel{background:var(--panel);border:1px solid var(--line);border-radius:8px;box-shadow:var(--shadow);overflow:hidden}