:root{--rail-width: 220px;--brand: #0f5132;--ink: #1c1c1c;--muted: #6b7280;--border: #e5e7eb;--bg: #f7f8fa}*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:var(--ink);background:var(--bg)}.admin-shell{display:flex;min-height:100vh}.admin-rail{width:var(--rail-width);background:#fff;border-right:1px solid var(--border);display:flex;flex-direction:column;padding:16px 12px}.admin-brand{font-weight:700;font-size:18px;color:var(--brand);padding:8px 12px 16px}.admin-nav{list-style:none;margin:0;padding:0;flex:1}.admin-nav li{margin-bottom:4px}.admin-nav a,.admin-nav-disabled{display:block;padding:8px 12px;border-radius:6px;text-decoration:none;color:var(--ink);font-size:14px}.admin-nav a.active{background:var(--brand);color:#fff}.admin-nav a:hover{background:#eef2f0}.admin-nav-disabled{color:var(--muted);cursor:not-allowed}.admin-rail-signout{margin-top:auto}.admin-main{flex:1;display:flex;flex-direction:column}.admin-topbar{height:56px;background:#fff;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:flex-end;gap:16px;padding:0 24px}.admin-user{font-size:14px;color:var(--muted)}.admin-content{padding:24px}.admin-centered{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;gap:8px;padding:24px}.admin-login,.admin-form{display:flex;flex-direction:column;gap:8px;width:320px;text-align:left}.admin-login-sub{color:var(--muted);margin:0 0 8px}.admin-form{width:420px;max-width:100%}input,button{font:inherit;padding:8px 10px;border-radius:6px;border:1px solid var(--border)}button{cursor:pointer;background:var(--brand);color:#fff;border-color:var(--brand)}button:disabled{opacity:.6;cursor:default}.admin-signout,.admin-rail-signout{background:transparent;color:var(--ink);border-color:var(--border)}.admin-error{color:#b00020}.admin-notice{color:var(--brand)}