:root{--primary: #1a73e8;--primary-strong: #1666cc;--bg: #f5f6f8;--surface: #ffffff;--border: #e1e4e8;--text: #1f2328;--muted: #6a737d;--ok: #1e8e3e;--ok-bg: #e6f4ea;--danger: #d93025;--danger-bg: #fce8e6;--sidebar: #1f2733;--sidebar-text: #cbd5e1;--radius: 10px;--shadow: 0 1px 3px rgba(0, 0, 0, .08)}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;color:var(--text);background:var(--bg);font-size:15px}h1{font-size:24px;margin:4px 0}h2{font-size:20px;margin:0}h3{font-size:18px;margin:0}.muted{color:var(--muted)}.small{font-size:13px}.bold{font-weight:700}.right{text-align:right}.nowrap{white-space:nowrap}.row{display:flex;align-items:center}.gap{gap:12px}.app-shell{display:flex;min-height:100vh}.sidebar{width:240px;background:var(--sidebar);color:var(--sidebar-text);display:flex;flex-direction:column;padding:20px 16px;position:sticky;top:0;height:100vh}.brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:#fff;margin-bottom:28px}.brand-mark{color:var(--primary)}.nav{display:flex;flex-direction:column;gap:4px;flex:1}.nav-link{color:var(--sidebar-text);text-decoration:none;padding:10px 12px;border-radius:8px;font-weight:500}.nav-link:hover{background:#ffffff14}.nav-link.active{background:var(--primary);color:#fff}.sidebar-footer{border-top:1px solid rgba(255,255,255,.12);padding-top:14px}.user-email{font-size:12px;color:#9aa7b5;margin-bottom:8px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.main{flex:1;padding:28px 32px;max-width:1100px}.page-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:20px}.back-link{color:var(--primary);text-decoration:none;font-size:13px;font-weight:600}.tabs{display:flex;gap:4px;border-bottom:1px solid var(--border);margin-bottom:22px}.tab{padding:10px 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spin{to{transform:rotate(360deg)}}.errorbox{display:flex;flex-direction:column;gap:8px;align-items:flex-start;background:var(--danger-bg);color:var(--danger);border-radius:var(--radius);padding:18px 20px}.empty{text-align:center;color:var(--muted);padding:48px 20px;background:var(--surface);border:1px dashed var(--border);border-radius:var(--radius)}.login-screen{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--bg);padding:20px}.login-card{background:var(--surface);border:1px solid var(--border);border-radius:16px;box-shadow:0 10px 40px #00000014;padding:32px;width:100%;max-width:380px}.login-brand{font-size:24px;font-weight:800;color:var(--primary)}.login-card .btn{margin-top:20px}@media (max-width: 720px){.app-shell{flex-direction:column}.sidebar{width:auto;height:auto;position:static;flex-direction:row;align-items:center;padding:12px 16px}.brand{margin-bottom:0}.nav{flex-direction:row;margin-left:16px}.sidebar-footer{border-top:none;padding-top:0;margin-left:auto}.user-email{display:none}.main{padding:20px 16px}.page-head{flex-direction:column;align-items:flex-start}}