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button{color:#fff;cursor:pointer;background:#2563eb;border:none;border-radius:12px;width:100%;padding:14px;font-size:1rem;font-weight:700;transition:all .3s}.login-form button:hover{background:#1d4ed8}.error{color:#ef4444;text-align:center}@media (width<=1024px){.login-container{width:80%}}@media (width<=768px){.login-container{flex-direction:column;align-items:center;width:95%}.login-img-container{width:100%}.container-from{justify-content:center;width:100%;height:auto;display:flex}.login-img{object-fit:cover;width:100%;height:300px}.login-form{max-width:100%;margin-top:20px}}@media (width<=480px){.container{padding:10px}.login-container{width:100%;padding:15px}.login-img{height:220px}.login-form{padding:20px}.login-form h1{font-size:1.6rem}.login-form input,.login-form button{padding:12px}}.not-found-container{color:#fff;background-color:#020617;justify-content:center;align-items:center;min-height:70vh;padding:40px 20px;display:flex}.not-found-card{text-align:center;-webkit-backdrop-filter:blur(14px);background:#0f172aa6;border:1px solid #ffffff14;border-top-color:#ffffff2e;border-radius:20px;flex-direction:column;align-items:center;gap:16px;width:100%;max-width:480px;padding:48px 32px;display:flex;box-shadow:0 20px 45px -10px #00000080}.not-found-icon{color:#38bdf8;animation:3s ease-in-out infinite float}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-8px)}}.not-found-title{background:linear-gradient(135deg,#fff 40%,#38bdf8 100%);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;margin:0;font-size:4rem;font-weight:800;line-height:1}.not-found-subtitle{color:#f1f5f9;margin:0;font-size:1.5rem;font-weight:700}.not-found-text{color:#94a3b8;margin:0 0 12px;font-size:1rem;line-height:1.5}.not-found-btn{color:#fff;background:linear-gradient(135deg,#0284c7,#2563eb);border:1px solid #fff3;border-radius:9999px;padding:12px 28px;font-weight:600;text-decoration:none;transition:all .3s;display:inline-block;box-shadow:0 4px 20px #2563eb66}.not-found-btn:hover{border-color:#fff6;transform:translateY(-2px);box-shadow:0 6px 25px #2563eb99}.admin-layout{background:#0b1220;min-height:100vh;display:flex}.logo{color:#fff;justify-content:center;align-items:center;padding:10px;font-size:30px;font-weight:700;display:flex}.sidebar{color:#fff;background:#0f172a;height:100vh;transition:width .3s;position:relative;overflow:hidden}.sidebar.open{width:260px}.sidebar.closed{width:70px}.toggle-btn{color:#fff;cursor:pointer;background:0 0;border:none;border-radius:8px;justify-content:center;align-items:center;width:44px;height:44px;margin:10px;transition:background .2s;display:flex}.toggle-btn:hover{background:#ffffff1a}.menu{flex-direction:column;gap:10px;padding:10px;display:flex}.menu a{color:#fff;border-radius:8px;align-items:center;padding:12px;text-decoration:none;transition:all .2s;display:flex}.menu a:hover{background:#1e293b}.menu a.active{background:#334155;font-weight:600}.content{color:#fff;background:#0b1220;flex:1}.logout-btn{cursor:pointer;color:#000;background:#f85151;border:none;border-radius:8px;padding:12px;font-weight:700}.logout-btn:hover{background:#f85151}@media (width<=768px){.admin-layout{flex-direction:column;width:100%}.sidebar{width:100%;height:auto;position:relative}.sidebar.open{flex-direction:column;width:100%;height:auto;display:flex}.sidebar.closed{width:100%}.menu{width:100%;max-height:auto;opacity:0;background:#0f172a;border-bottom:1px solid #1e293b;flex-direction:column;gap:10px;padding:0 10px;transition:all .3s;display:flex}.sidebar.open .menu{opacity:1;padding:10px}.menu a{white-space:nowrap;border-radius:8px;flex:none;padding:10px 14px;font-size:13px}.menu a.active{background:#334155}.content{padding:20px}}.mail-container{background:#f4f6f3;height:100vh;font-family:Arial,sans-serif;display:flex}.mail-list{background:#0b1220;border-right:1px solid #e5e7eb;width:25%;min-width:280px;padding:15px;overflow-y:auto}.mail-list h2{margin-bottom:10px}.mail-item{cursor:pointer;border-bottom:1px solid #eee;border-radius:8px;padding:12px;transition:all .2s}.mail-item:hover{background:#1e293b}.mail-item strong{word-break:break-word;font-size:14px;display:block}.mail-item p{color:#6b7280;margin:4px 0 0;font-size:13px}.mail-item.active{background:#1e293b;border-left:4px solid #3b82f6}.mail-view{background:#1e293b;flex:1;padding:20px;overflow-y:auto}.mail-view h2{word-break:break-word}.mail-from{color:#6b7280;word-break:break-word;margin-bottom:10px}.mail-body{word-break:break-word;background:#0b1220;border-radius:10px;margin-top:15px;padding:15px;line-height:1.5}.mail-empty{color:#9ca3af;font-size:16px}@media (width<=1024px){.mail-list{width:35%;min-width:250px}}@media (width<=768px){.mail-container{flex-direction:column;height:auto;min-height:100vh}.mail-list{width:100%;min-width:unset;border-bottom:1px solid #334155;border-right:none;max-height:40vh}.mail-view{width:100%;min-height:60vh;padding:15px}.mail-item{padding:14px}}@media (width<=480px){.mail-list{padding:10px}.mail-view{padding:12px}.mail-view h2{font-size:1.2rem}.mail-body{padding:12px}}