.app-layout{display:flex;flex-direction:column;min-height:100vh}.topnav{height:44px;background:var(--color-primary);display:flex;align-items:center;padding:0 20px;gap:24px;position:sticky;top:0;z-index:200;flex-shrink:0}.topnav-hamburger{display:none;background:transparent;border:none;color:#fff;font-size:20px;padding:4px;cursor:pointer;line-height:1}.topnav-brand{color:#fff;font-weight:700;font-size:15px;letter-spacing:.5px;flex-shrink:0}.topnav-apps{display:flex;gap:4px}.topnav-link{color:#ffffffbf;font-size:13px;padding:6px 14px;border-radius:6px;text-decoration:none;transition:all .2s}.topnav-link:hover{color:#fff;background:#ffffff1f;text-decoration:none}.topnav-link.active{color:#fff;background:#fff3;font-weight:500}.topnav-spacer{flex:1}.topnav-user{display:flex;align-items:center;gap:8px;color:#ffffffd9;font-size:13px;flex-shrink:0}.topnav-user button{background:#ffffff26;color:#ffffffd9;border:none;padding:4px 10px;font-size:12px;border-radius:4px;cursor:pointer}.topnav-user button:hover{background:#ffffff40;color:#fff}.app-body{flex:1;display:flex}.app-main{flex:1;display:flex;flex-direction:column;margin-left:240px}.app-content{flex:1;padding:24px}.sidebar{position:fixed;left:0;top:44px;bottom:0;width:240px;background:var(--color-surface);border-right:1px solid var(--color-border);display:flex;flex-direction:column;z-index:100;transition:transform .25s ease}.sidebar-logo{padding:20px;font-size:16px;font-weight:700;color:var(--color-primary);border-bottom:1px solid var(--color-border);display:flex;align-items:center;justify-content:space-between}.sidebar-close{display:none;background:transparent;border:none;font-size:18px;cursor:pointer;color:var(--color-text-secondary)}.sidebar-nav{flex:1;padding:12px 0}.sidebar-nav a{display:flex;align-items:center;gap:10px;padding:10px 20px;color:var(--color-text-secondary);font-size:14px;text-decoration:none;transition:all .2s}.sidebar-nav a:hover{background:#f1f5f9;color:var(--color-text);text-decoration:none}.sidebar-nav a.active{background:#eff6ff;color:var(--color-primary);font-weight:500}.sidebar-backdrop{display:none}@media(max-width:767px){.topnav{padding:0 12px;gap:12px}.topnav-hamburger{display:block}.topnav-apps,.topnav-username{display:none}.sidebar{transform:translate(-100%);box-shadow:4px 0 12px #00000026}.sidebar.open{transform:translate(0)}.sidebar-close{display:block}.sidebar-backdrop{display:block;position:fixed;top:0;right:0;bottom:0;left:0;background:#0000004d;z-index:99}.app-main{margin-left:0}.app-content{padding:16px}}:root{--color-primary: #2563eb;--color-primary-hover: #1d4ed8;--color-bg: #f8fafc;--color-surface: #ffffff;--color-border: #e2e8f0;--color-text: #1e293b;--color-text-secondary: #64748b;--color-success: #16a34a;--color-error: #dc2626;--color-warning: #f59e0b;--radius: 8px;--shadow: 0 1px 3px rgba(0, 0, 0, .1)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;color:var(--color-text);background-color:var(--color-bg);line-height:1.6}a{color:var(--color-primary);text-decoration:none}a:hover{text-decoration:underline}button{cursor:pointer;border:none;border-radius:var(--radius);padding:8px 16px;font-size:14px;transition:background-color .2s}input,select,textarea{border:1px solid var(--color-border);border-radius:var(--radius);padding:8px 12px;font-size:14px;outline:none;transition:border-color .2s}input:focus,select:focus,textarea:focus{border-color:var(--color-primary)}