:root{color-scheme:light;--bg: #f4f6f8;--panel: #ffffff;--border: #dfe3e8;--text: #1f2933;--text-muted: #647184;--primary: #1f4b99;--primary-dark: #163a78;--danger: #b3261e;--success: #1e7a34;--warning: #a15c00;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text)}a{color:var(--primary)}.app-shell{display:flex;min-height:100vh}.sidebar{width:240px;background:#0f1f38;color:#e5ecf6;flex-shrink:0;display:flex;flex-direction:column;padding:16px 0}.sidebar h1{font-size:16px;padding:0 20px 16px;margin:0;border-bottom:1px solid rgba(255,255,255,.1)}.sidebar nav{display:flex;flex-direction:column;margin-top:12px}.sidebar nav a{color:#cdd9ec;text-decoration:none;padding:10px 20px;font-size:14px}.sidebar nav a.active,.sidebar nav a:hover{background:#ffffff14;color:#fff}.sidebar .user-box{margin-top:auto;padding:16px 20px;border-top:1px solid rgba(255,255,255,.1);font-size:13px}.main{flex:1;padding:24px 32px;max-width:1200px}.card{background:var(--panel);border:1px solid var(--border);border-radius:8px;padding:20px;margin-bottom:20px}.page-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}.page-header h2{margin:0}table{width:100%;border-collapse:collapse;font-size:14px}th,td{text-align:left;padding:8px 10px;border-bottom:1px solid var(--border)}th{color:var(--text-muted);font-weight:600;font-size:12px;text-transform:uppercase;letter-spacing:.03em}.btn{display:inline-block;border:none;border-radius:6px;padding:8px 14px;font-size:14px;cursor:pointer;background:var(--primary);color:#fff}.btn:hover{background:var(--primary-dark)}.btn.secondary{background:#fff;color:var(--text);border:1px solid var(--border)}.btn.danger{background:var(--danger)}.btn:disabled{opacity:.5;cursor:not-allowed}input,select,textarea{font-size:14px;padding:8px 10px;border:1px solid var(--border);border-radius:6px;width:100%;background:#fff;color:var(--text)}label{display:block;font-size:13px;color:var(--text-muted);margin-bottom:4px;margin-top:12px}form .actions{margin-top:20px;display:flex;gap:10px}.error-banner{background:#fdecea;color:var(--danger);border:1px solid #f5c6c2;border-radius:6px;padding:10px 14px;margin-bottom:16px;font-size:14px}.badge{display:inline-block;padding:2px 8px;border-radius:999px;font-size:12px;font-weight:600}.badge.pending{background:#fff4e0;color:var(--warning)}.badge.approved,.badge.posted{background:#e5f5e9;color:var(--success)}.badge.rejected{background:#fdecea;color:var(--danger)}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--bg)}.login-box{width:360px;background:#fff;border:1px solid var(--border);border-radius:10px;padding:32px}.muted{color:var(--text-muted);font-size:13px}.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:16px}