:root{--bg: #f4f6fa;--panel: #ffffff;--ink: #1f2733;--muted: #5d6b7c;--line: #e1e6ee;--brand: #25406b;--accent: #2563eb;--ok: #2e9e2e;--danger: #cc2b2b}*{box-sizing:border-box}html,body{overflow-x:hidden}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:var(--ink);background:var(--bg)}.app-header{background:var(--brand);color:#fff;padding:14px 24px}.app-header .brand{font-size:22px;font-weight:700}.app-header .brand span{color:#9fc1ff}.app-header .tagline{font-size:12px;opacity:.85;margin-top:2px}.app-header .tabs{display:inline-flex;gap:8px;margin-top:10px}.tab{padding:7px 14px;border:1px solid rgba(255,255,255,.35);background:transparent;color:#fff;border-radius:8px;cursor:pointer;font-size:14px;font-weight:600}.tab.active{background:#fff;color:var(--brand);border-color:#fff}.tabpane[hidden]{display:none}label.checkbox{display:flex;align-items:center;gap:9px;padding:7px 0;font-size:14px;border-bottom:1px dashed 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