*{margin:0;padding:0;box-sizing:border-box}body{font-family:Segoe UI,Arial,sans-serif;background:#0d0d0d;color:#e0e0e0}#app{min-height:100vh;display:flex;flex-direction:column}body.sidebar-open-mobile{overflow:hidden}.app-header{background:linear-gradient(135deg,#1a1a1a 0%,#0d0d0d 100%);border-bottom:2px solid #8b0000;box-shadow:0 2px 10px #8b00004d;position:sticky;top:0;z-index:100}.header-content{max-width:1400px;margin:0 auto;padding:15px 30px;display:flex;justify-content:space-between;align-items:center}.header-left{display:flex;align-items:center;gap:15px}.menu-toggle{display:block;background:transparent;border:2px solid #d4af37;color:#d4af37;font-size:24px;padding:5px 10px;cursor:pointer;border-radius:4px;transition:all .3s}.menu-toggle:hover{background:rgba(212,175,55,.1);box-shadow:0 0 10px #d4af374d}.hamburger-icon{display:block;line-height:1}.app-version{font-size:11px;color:#666;margin-left:8px;font-weight:400;letter-spacing:1px;padding-top:12px;align-self:flex-start}.app-title{font-size:28px;font-weight:900;color:#d4af37;letter-spacing:4px;text-shadow:0 0 10px rgba(212,175,55,.5),2px 2px 4px rgba(0,0,0,.8);font-family:Arial Black,sans-serif;cursor:pointer}.auth-control{display:flex;align-items:center;gap:15px}.user-email{font-size:14px;color:#d4af37;font-weight:600}.btn-login{padding:8px 20px;background:linear-gradient(135deg,#8b0000,#660000);color:#d4af37;text-decoration:none;border-radius:4px;font-weight:600;font-size:14px;border:1px solid #d4af37;transition:all .3s;text-transform:uppercase;letter-spacing:1px}.btn-login:hover{background:linear-gradient(135deg,#a00000,#8b0000);box-shadow:0 0 15px #d4af3780;transform:translateY(-1px)}.btn-logout{padding:8px 20px;background:linear-gradient(135deg,#8b0000,#660000);color:#d4af37;border:1px solid #d4af37;border-radius:4px;cursor:pointer;font-size:14px;font-weight:600;transition:all .3s;text-transform:uppercase;letter-spacing:1px}.btn-logout:hover{background:linear-gradient(135deg,#660000,#4d0000);box-shadow:0 0 15px #8b000099;transform:translateY(-1px)}.app-layout{display:flex;flex:1;position:relative}.sidebar{width:240px;background:linear-gradient(180deg,#1a1a1a 0%,#0d0d0d 100%);border-right:2px solid #8b0000;padding:20px 0;box-shadow:2px 0 10px #8b000033;transition:all .3s ease;flex-shrink:0;position:sticky;top:70px;align-self:flex-start;height:calc(100dvh - 70px);overflow-y:auto}.sidebar:not(.sidebar-open){width:0;padding:0;border-right:none;overflow:hidden}@media (min-width: 769px){.sidebar:not(.sidebar-open){width:60px;padding:20px 0}.sidebar:not(.sidebar-open) .nav-text{display:none}.sidebar:not(.sidebar-open) .nav-item{justify-content:center;padding:15px 10px}}.sidebar-nav{display:flex;flex-direction:column;gap:5px}.nav-item{display:flex;align-items:center;gap:12px;padding:15px 25px;color:#a0a0a0;text-decoration:none;transition:all .3s;border-left:3px solid transparent;font-weight:600;font-size:15px}.nav-item:hover{background:rgba(139,0,0,.1);color:#d4af37;border-left-color:#8b0000}.nav-item.active{background:rgba(139,0,0,.2);color:#d4af37;border-left-color:#d4af37;box-shadow:inset 0 0 10px #d4af371a}.nav-icon{font-size:20px}.nav-text{letter-spacing:.5px}.main-content{flex:1;min-height:calc(100dvh - 70px);background:#0d0d0d;transition:margin-left .3s;min-width:0}.sidebar-overlay{display:none}@media (max-width: 1024px){.sidebar{width:220px}.nav-item{padding:12px 20px;font-size:14px}}.offline-banner{background:linear-gradient(135deg,#e65100,#bf360c);color:#fff;text-align:center;padding:6px 16px;font-size:13px;font-weight:600;letter-spacing:.5px}@media (max-width: 768px){.header-content{padding:12px 15px;gap:12px}.app-title{font-size:20px;letter-spacing:2px}.menu-toggle{display:block}.sidebar{position:fixed;left:-100%;top:0;width:min(82vw,320px);height:100dvh;z-index:1000;transition:left .3s ease;box-shadow:2px 0 15px #00000080;padding-top:84px}.sidebar.sidebar-open{left:0}.sidebar-overlay{display:block;position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.7);z-index:999;animation:fadeIn .3s}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.user-email{display:none}.btn-login,.btn-logout{padding:6px 15px;font-size:12px}.main-content{width:100%;min-height:calc(100dvh - 64px)}}@media (max-width: 480px){.header-content{padding:10px 12px}.header-left{gap:10px}.app-title{font-size:18px;letter-spacing:1px}.menu-toggle{font-size:20px;padding:4px 8px}.btn-login,.btn-logout{padding:5px 12px;font-size:11px;letter-spacing:.5px}.nav-item{padding:12px 15px;font-size:13px}.nav-icon{font-size:18px}}