*{box-sizing:border-box;margin:0;padding:0}:root{--green: #388e3c;--green-light: #e8f5e9;--green-dark: #2e7d32;--blue: #1976d2;--blue-light: #e3f2fd;--yellow: #f9a825;--yellow-light: #fffde7;--gray: #757575;--border: #e0e0e0;--text: #212121;--text-secondary: #757575;--sidebar-w: 230px}body{font-family:Sarabun,Segoe UI,sans-serif;font-size:14px;color:var(--text);background:#f5f5f5}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#1b5e20,#388e3c)}.login-card{background:#fff;border-radius:20px;padding:48px 40px;text-align:center;width:380px;box-shadow:0 12px 40px #00000040}.login-logo{width:72px;height:72px;background:var(--green);border-radius:20px;display:flex;align-items:center;justify-content:center;font-size:28px;font-weight:700;color:#fff;margin:0 auto 20px}.login-card h1{font-size:22px;margin-bottom:8px}.login-card 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