:root{--brand-red: #E53935;--brand-red-dark: #C62828;--brand-blue: #1565C0;--brand-blue-light: #1E88E5;--brand-blue-dark: #0D47A1;--gradient-blue-1: #0a1628;--gradient-blue-2: #0d2137;--gradient-red-1: #1a0a0a;--gradient-red-2: #2d1010;--bg-dark: #0a0f1a;--bg-card: rgba(255, 255, 255, .06);--bg-card-hover: rgba(255, 255, 255, .09);--bg-sidebar: #0c1220;--bg-header: rgba(12, 18, 32, .85);--border-glass: rgba(255, 255, 255, .12);--border-glass-strong: rgba(255, 255, 255, .2);--text-primary: #f0f4f8;--text-secondary: rgba(240, 244, 248, .7);--text-muted: rgba(240, 244, 248, .45);--text-accent: #64B5F6;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .3);--shadow-md: 0 4px 12px rgba(0, 0, 0, .4);--shadow-lg: 0 8px 32px rgba(0, 0, 0, .5);--shadow-glow-blue: 0 0 30px rgba(21, 101, 192, .3);--shadow-glow-red: 0 0 20px rgba(229, 57, 53, .2);--space-xs: 4px;--space-sm: 8px;--space-md: 16px;--space-lg: 24px;--space-xl: 32px;--space-2xl: 48px;--radius-sm: 6px;--radius-md: 12px;--radius-lg: 16px;--radius-xl: 20px;--radius-full: 9999px;--transition-fast: .15s ease;--transition-normal: .25s ease;--transition-slow: .4s cubic-bezier(.4, 0, .2, 1);--font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--sidebar-width: 240px;--header-height: 56px}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html,body,#root{height:100%;width:100%;overflow:hidden}body{font-family:var(--font-family);font-size:14px;line-height:1.5;color:var(--text-primary);background:var(--bg-dark);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:#ffffff26;border-radius:var(--radius-full)}::-webkit-scrollbar-thumb:hover{background:#ffffff40}.login-shell{position:fixed;inset:0;display:flex;align-items:center;justify-content:center;background:linear-gradient(-45deg,#0a1628,#0d3b66,#1a0a2e,#2d1010,#0d2137,#14213d,#1b0000,#0a1628);background-size:600% 600%;animation:gradientShift 15s ease infinite;overflow:hidden}.login-shell:before{content:"";position:absolute;inset:0;background:radial-gradient(ellipse 80% 50% at 20% 40%,rgba(21,101,192,.15),transparent),radial-gradient(ellipse 60% 40% at 80% 60%,rgba(229,57,53,.1),transparent),radial-gradient(ellipse 50% 50% at 50% 50%,rgba(0,0,0,.3),transparent);pointer-events:none;z-index:0}.login-shell:after{content:"";position:absolute;inset:-50%;background-image:radial-gradient(2px 2px at 20% 30%,rgba(100,181,246,.3),transparent),radial-gradient(2px 2px at 40% 70%,rgba(229,57,53,.2),transparent),radial-gradient(1px 1px at 60% 20%,rgba(255,255,255,.2),transparent),radial-gradient(1px 1px at 80% 50%,rgba(100,181,246,.2),transparent),radial-gradient(2px 2px at 10% 80%,rgba(255,255,255,.15),transparent),radial-gradient(1px 1px at 70% 90%,rgba(229,57,53,.15),transparent),radial-gradient(1px 1px at 30% 50%,rgba(100,181,246,.2),transparent),radial-gradient(2px 2px at 90% 10%,rgba(255,255,255,.1),transparent);background-size:200% 200%;animation:particleFloat 25s linear infinite;pointer-events:none;z-index:0}@keyframes gradientShift{0%{background-position:0% 50%}25%{background-position:50% 0%}50%{background-position:100% 50%}75%{background-position:50% 100%}to{background-position:0% 50%}}@keyframes particleFloat{0%{transform:translate(0)}25%{transform:translate(-5%,3%)}50%{transform:translate(3%,-5%)}75%{transform:translate(-3%,5%)}to{transform:translate(0)}}.login-modal{position:relative;z-index:1;width:100%;max-width:420px;padding:var(--space-2xl) var(--space-xl);background:linear-gradient(135deg,#ffffff14,#ffffff08 40%,#ffffff0f);backdrop-filter:blur(24px) saturate(1.4);-webkit-backdrop-filter:blur(24px) saturate(1.4);border:1px solid var(--border-glass);border-radius:var(--radius-xl);box-shadow:0 8px 32px #0006,0 0 0 1px #ffffff0d inset,0 1px #ffffff1a inset;display:flex;flex-direction:column;align-items:center;gap:var(--space-lg);animation:modalAppear .6s cubic-bezier(.16,1,.3,1) forwards;opacity:0;transform:translateY(20px) scale(.97)}.login-modal:before{content:"";position:absolute;top:0;left:0;right:0;height:50%;background:linear-gradient(180deg,rgba(255,255,255,.06) 0%,transparent 100%);border-radius:var(--radius-xl) var(--radius-xl) 0 0;pointer-events:none}@keyframes modalAppear{to{opacity:1;transform:translateY(0) scale(1)}}.brand-container{position:relative;display:flex;flex-direction:column;align-items:center;gap:6px}.brand-glass{position:relative;display:inline-flex;align-items:center;justify-content:center;padding:12px 32px;background:linear-gradient(135deg,#ffffff1f,#ffffff0a,#ffffff14);backdrop-filter:blur(20px) saturate(1.5);-webkit-backdrop-filter:blur(20px) saturate(1.5);border:1px solid rgba(255,255,255,.18);border-radius:var(--radius-lg);box-shadow:0 4px 16px #0000004d,0 0 0 1px #ffffff0d inset,0 2px #ffffff1f inset;overflow:hidden}.brand-glass:before{content:"";position:absolute;top:-50%;left:-50%;width:200%;height:200%;background:conic-gradient(from 0deg,transparent 0%,rgba(255,255,255,.08) 10%,transparent 20%,transparent 80%,rgba(255,255,255,.05) 90%,transparent 100%);animation:liquidShimmer 6s linear infinite;pointer-events:none}@keyframes liquidShimmer{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.brand-text{font-size:42px;font-weight:900;letter-spacing:3px;line-height:1;-webkit-user-select:none;user-select:none;position:relative;z-index:1}.brand-a{color:var(--brand-red);text-shadow:0 1px 0 #C62828,0 2px 0 #B71C1C,0 3px 0 #a01717,0 4px 0 #8a1313,0 5px 10px rgba(229,57,53,.4),0 0 20px rgba(229,57,53,.2);animation:brand3dPulse 3s ease-in-out infinite}.brand-ttech{color:var(--brand-blue-light);text-shadow:0 1px 0 #1565C0,0 2px 0 #0D47A1,0 3px 0 #0a3a84,0 4px 0 #082e68,0 5px 10px rgba(21,101,192,.4),0 0 20px rgba(30,136,229,.2);animation:brand3dPulse 3s ease-in-out infinite .3s}@keyframes brand3dPulse{0%,to{filter:brightness(1)}50%{filter:brightness(1.15)}}.brand-slogan{font-size:13px;font-weight:600;letter-spacing:7.5px;color:var(--text-secondary);text-transform:none;text-align:center;padding-left:7.5px;-webkit-user-select:none;user-select:none}.app-name{font-size:18px;font-weight:600;color:var(--text-primary);text-align:center;letter-spacing:.5px}.login-form{width:100%;display:flex;flex-direction:column;gap:var(--space-md)}.login-field{display:flex;flex-direction:column;gap:var(--space-xs)}.login-field label{font-size:12px;font-weight:500;color:var(--text-secondary);letter-spacing:.3px}.login-input-wrapper{position:relative;display:flex;align-items:center;background:#ffffff0f;border:1px solid var(--border-glass);border-radius:var(--radius-md);transition:var(--transition-normal);overflow:hidden}.login-input-wrapper:focus-within{border-color:var(--brand-blue-light);box-shadow:0 0 0 3px #1e88e526;background:#ffffff14}.login-input-wrapper .field-icon{display:flex;align-items:center;justify-content:center;width:44px;flex-shrink:0;color:var(--text-muted)}.login-input-wrapper .field-icon svg{width:18px;height:18px}.login-input-wrapper input{flex:1;padding:12px 12px 12px 0;background:none;border:none;outline:none;color:var(--text-primary);font-size:14px;font-family:var(--font-family)}.login-input-wrapper input::placeholder{color:var(--text-muted)}.login-input-wrapper .toggle-password{display:flex;align-items:center;justify-content:center;width:40px;flex-shrink:0;background:none;border:none;color:var(--text-muted);cursor:pointer;padding:8px;transition:var(--transition-fast)}.login-input-wrapper .toggle-password:hover{color:var(--text-secondary)}.login-input-wrapper .toggle-password svg{width:16px;height:16px}.remember-me{display:flex;align-items:center;gap:var(--space-sm);cursor:pointer;-webkit-user-select:none;user-select:none}.remember-me input[type=checkbox]{appearance:none;-webkit-appearance:none;width:18px;height:18px;border:1.5px solid var(--border-glass-strong);border-radius:4px;background:#ffffff0d;cursor:pointer;position:relative;transition:var(--transition-fast);flex-shrink:0}.remember-me input[type=checkbox]:checked{background:var(--brand-blue);border-color:var(--brand-blue)}.remember-me input[type=checkbox]:checked:after{content:"";position:absolute;top:2px;left:5px;width:5px;height:9px;border:solid white;border-width:0 2px 2px 0;transform:rotate(45deg)}.remember-me span{font-size:13px;color:var(--text-secondary)}.login-error{padding:var(--space-sm) var(--space-md);background:#e539351f;border:1px solid rgba(229,57,53,.25);border-radius:var(--radius-sm);color:#ef9a9a;font-size:13px;text-align:center;animation:shakeError .4s ease}@keyframes shakeError{0%,to{transform:translate(0)}20%{transform:translate(-8px)}40%{transform:translate(8px)}60%{transform:translate(-4px)}80%{transform:translate(4px)}}.login-btn{position:relative;width:100%;padding:14px var(--space-lg);font-family:var(--font-family);font-size:15px;font-weight:700;letter-spacing:1px;color:#fff;cursor:pointer;border:1px solid rgba(255,255,255,.15);border-radius:var(--radius-md);background:linear-gradient(135deg,var(--brand-blue) 0%,var(--brand-blue-light) 50%,var(--brand-blue) 100%);box-shadow:0 2px #0d47a1,0 4px #082e68,0 6px 12px #0006,0 0 20px #1565c033,0 1px #ffffff26 inset;transform:translateY(0);transition:all var(--transition-normal);overflow:hidden;text-transform:uppercase}.login-btn:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.15),transparent);transition:left .6s ease}.login-btn:hover:before{left:100%}.login-btn:hover{transform:translateY(-1px);box-shadow:0 3px #0d47a1,0 5px #082e68,0 8px 16px #00000080,0 0 30px #1565c04d,0 1px #fff3 inset;filter:brightness(1.05)}.login-btn:active{transform:translateY(3px);box-shadow:0 0 #0d47a1,0 1px #082e68,0 2px 8px #0006,0 0 15px #1565c033,0 1px #ffffff1a inset;filter:brightness(.95)}.login-btn:disabled{opacity:.6;cursor:not-allowed;transform:none;filter:grayscale(.3)}.login-btn .spinner{display:inline-block;width:16px;height:16px;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin .6s linear infinite;margin-right:8px;vertical-align:middle}@keyframes spin{to{transform:rotate(360deg)}}.login-copyright{font-size:11px;color:var(--text-muted);text-align:center;line-height:1.6;margin-top:var(--space-xs)}.app-layout{display:flex;height:100vh;width:100vw;overflow:hidden;background:var(--bg-dark)}.sidebar{width:var(--sidebar-width);height:100vh;background:linear-gradient(180deg,var(--bg-sidebar) 0%,rgba(12,18,32,.95) 100%);border-right:1px solid var(--border-glass);display:flex;flex-direction:column;flex-shrink:0;overflow:hidden;position:relative}.sidebar:after{content:"";position:absolute;top:0;right:0;width:1px;height:100%;background:linear-gradient(180deg,rgba(21,101,192,.3),transparent 30%,transparent 70%,rgba(21,101,192,.1));pointer-events:none}.sidebar-brand{display:flex;align-items:center;gap:var(--space-sm);padding:var(--space-md) var(--space-md);border-bottom:1px solid var(--border-glass);height:var(--header-height);flex-shrink:0}.sidebar-brand-text{font-size:22px;font-weight:900;letter-spacing:1.5px;line-height:1}.sidebar-brand .brand-a{font-size:inherit;text-shadow:0 1px 0 #C62828,0 2px 0 #B71C1C,0 2px 6px rgba(229,57,53,.3)}.sidebar-brand .brand-ttech{font-size:inherit;text-shadow:0 1px 0 #1565C0,0 2px 0 #0D47A1,0 2px 6px rgba(21,101,192,.3)}.sidebar-nav{flex:1;padding:var(--space-md) var(--space-sm);overflow-y:auto}.sidebar-nav-placeholder{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100%;gap:var(--space-sm);color:var(--text-muted);font-size:13px;text-align:center;padding:var(--space-lg)}.sidebar-nav-placeholder svg{width:32px;height:32px;opacity:.3}.app-header{height:var(--header-height);display:flex;align-items:center;justify-content:space-between;padding:0 var(--space-lg);background:var(--bg-header);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--border-glass);flex-shrink:0}.header-app-name{font-size:16px;font-weight:600;color:var(--text-primary);letter-spacing:.3px}.header-right{display:flex;align-items:center;gap:var(--space-md)}.avatar-btn{width:36px;height:36px;border-radius:50%;border:2px solid var(--border-glass-strong);background:linear-gradient(135deg,var(--brand-blue),var(--brand-blue-dark));color:#fff;font-size:14px;font-weight:700;font-family:var(--font-family);display:flex;align-items:center;justify-content:center;cursor:pointer;transition:var(--transition-normal);overflow:hidden;position:relative}.avatar-btn:hover{border-color:var(--brand-blue-light);box-shadow:0 0 12px #1e88e54d;transform:scale(1.05)}.avatar-btn img{width:100%;height:100%;object-fit:cover;border-radius:50%}.app-main-area{flex:1;display:flex;flex-direction:column;overflow:hidden}.app-content{flex:1;overflow-y:auto;padding:var(--space-xl)}.content-placeholder{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100%;gap:var(--space-md);color:var(--text-muted);text-align:center}.content-placeholder svg{width:64px;height:64px;opacity:.15}.content-placeholder h2{font-size:20px;font-weight:600;color:var(--text-secondary)}.content-placeholder p{font-size:14px;max-width:400px}.modal-overlay{position:fixed;inset:0;background:#0009;backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:1000;animation:overlayFade .2s ease}@keyframes overlayFade{0%{opacity:0}to{opacity:1}}.modal-panel{width:100%;max-width:480px;max-height:90vh;overflow-y:auto;background:linear-gradient(135deg,#141e32fa,#0f1628fa);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:1px solid var(--border-glass);border-radius:var(--radius-xl);box-shadow:var(--shadow-lg),var(--shadow-glow-blue);padding:var(--space-xl);display:flex;flex-direction:column;gap:var(--space-lg);animation:modalSlideUp .3s cubic-bezier(.16,1,.3,1)}@keyframes modalSlideUp{0%{transform:translateY(20px);opacity:0}to{transform:translateY(0);opacity:1}}.modal-header{display:flex;align-items:center;justify-content:space-between}.modal-header h2{font-size:18px;font-weight:700;color:var(--text-primary)}.modal-close{width:32px;height:32px;border-radius:50%;border:1px solid var(--border-glass);background:#ffffff0d;color:var(--text-secondary);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:var(--transition-fast)}.modal-close:hover{background:#e5393526;border-color:#e539354d;color:var(--brand-red)}.modal-close svg{width:16px;height:16px}.avatar-upload-area{display:flex;flex-direction:column;align-items:center;gap:var(--space-md)}.avatar-preview{width:80px;height:80px;border-radius:50%;border:3px solid var(--border-glass-strong);background:linear-gradient(135deg,var(--brand-blue),var(--brand-blue-dark));color:#fff;font-size:28px;font-weight:700;display:flex;align-items:center;justify-content:center;overflow:hidden;position:relative;cursor:pointer;transition:var(--transition-normal)}.avatar-preview:hover{border-color:var(--brand-blue-light);box-shadow:0 0 20px #1e88e54d}.avatar-preview img{width:100%;height:100%;object-fit:cover}.avatar-preview .avatar-overlay{position:absolute;inset:0;background:#00000080;display:flex;align-items:center;justify-content:center;opacity:0;transition:var(--transition-fast);border-radius:50%}.avatar-preview:hover .avatar-overlay{opacity:1}.avatar-preview .avatar-overlay svg{width:24px;height:24px;color:#fff}.avatar-upload-hint{font-size:12px;color:var(--text-muted)}.modal-form{display:flex;flex-direction:column;gap:var(--space-md)}.modal-field{display:flex;flex-direction:column;gap:var(--space-xs)}.modal-field label{font-size:12px;font-weight:500;color:var(--text-secondary);letter-spacing:.3px}.modal-field input{padding:10px 14px;background:#ffffff0f;border:1px solid var(--border-glass);border-radius:var(--radius-sm);color:var(--text-primary);font-size:14px;font-family:var(--font-family);outline:none;transition:var(--transition-normal)}.modal-field input:focus{border-color:var(--brand-blue-light);box-shadow:0 0 0 3px #1e88e526;background:#ffffff14}.modal-field input::placeholder{color:var(--text-muted)}.modal-divider{height:1px;background:var(--border-glass);margin:var(--space-xs) 0}.modal-section-title{font-size:13px;font-weight:600;color:var(--text-accent);letter-spacing:.3px}.modal-actions{display:flex;gap:var(--space-md);justify-content:flex-end}.btn{padding:10px 20px;font-family:var(--font-family);font-size:13px;font-weight:600;border-radius:var(--radius-sm);cursor:pointer;transition:var(--transition-normal);border:1px solid var(--border-glass)}.btn-secondary{background:#ffffff0f;color:var(--text-secondary)}.btn-secondary:hover{background:#ffffff1a;color:var(--text-primary)}.btn-primary{background:linear-gradient(135deg,var(--brand-blue),var(--brand-blue-light));color:#fff;border-color:#ffffff1a;box-shadow:0 2px #0d47a1,0 3px 8px #0000004d}.btn-primary:hover{filter:brightness(1.1);box-shadow:0 2px #0d47a1,0 4px 12px #0006,0 0 15px #1565c033}.btn-primary:active{transform:translateY(1px);box-shadow:0 0 #0d47a1,0 1px 4px #0000004d}.modal-success{padding:var(--space-sm) var(--space-md);background:#4caf501f;border:1px solid rgba(76,175,80,.25);border-radius:var(--radius-sm);color:#81c784;font-size:13px;text-align:center}.modal-error{padding:var(--space-sm) var(--space-md);background:#e539351f;border:1px solid rgba(229,57,53,.25);border-radius:var(--radius-sm);color:#ef9a9a;font-size:13px;text-align:center}@media(max-width:768px){.login-modal{margin:var(--space-md);padding:var(--space-xl) var(--space-lg)}.brand-text{font-size:34px}.brand-slogan{letter-spacing:5.5px;padding-left:5.5px;font-size:12px}}