* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        html {
            font-size: 16px;
            scroll-behavior: smooth;
        }
        
        body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            background: #0a0a0a;
            color: #ffffff;
            min-height: 100vh;
            overflow-x: hidden;
            position: relative;
        }

        
        .background-container {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            z-index: 1;
            overflow: hidden;
        }
        
        .bg-gradient {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: radial-gradient(ellipse at center, 
                rgba(30, 60, 114, 0.1) 0%,
                rgba(42, 82, 152, 0.05) 30%,
                rgba(0, 0, 0, 0.8) 70%,
                #000000 100%
            );
            animation: backgroundPulse 8s ease-in-out infinite alternate;
        }
        
        @keyframes backgroundPulse {
            0% { opacity: 0.8; }
            100% { opacity: 1; }
        }
        
        .bg-grid {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-image: 
                linear-gradient(rgba(30, 60, 114, 0.1) 1px, transparent 1px),
                linear-gradient(90deg, rgba(30, 60, 114, 0.1) 1px, transparent 1px);
            background-size: 50px 50px;
            animation: gridMove 20s linear infinite;
        }
        
        @keyframes gridMove {
            0% { transform: translate(0, 0); }
            100% { transform: translate(50px, 50px); }
        }
        
        .floating-particles {
            position: absolute;
            width: 100%;
            height: 100%;
        }
        
        .particle {
            position: absolute;
            width: 2px;
            height: 2px;
            background: #1e3c72;
            border-radius: 50%;
            animation: float 6s ease-in-out infinite;
        }
        
        .particle:nth-child(1) { top: 10%; left: 20%; animation-delay: 0s; }
        .particle:nth-child(2) { top: 80%; left: 80%; animation-delay: 1s; }
        .particle:nth-child(3) { top: 50%; left: 10%; animation-delay: 2s; }
        .particle:nth-child(4) { top: 20%; left: 70%; animation-delay: 3s; }
        .particle:nth-child(5) { top: 70%; left: 40%; animation-delay: 4s; }
        
        @keyframes float {
            0%, 100% { transform: translateY(0px) scale(1); opacity: 0.4; }
            50% { transform: translateY(-20px) scale(1.2); opacity: 0.8; }
        }
        

        
        .login-wrapper {
            position: relative;
            z-index: 10;
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 20px;
        }
        
        .login-container {
            background: rgba(15, 15, 15, 0.95);
            backdrop-filter: blur(20px);
            border: 1px solid rgba(30, 60, 114, 0.2);
            border-radius: 20px;
            box-shadow: 
                0 25px 50px rgba(0, 0, 0, 0.5),
                0 0 100px rgba(30, 60, 114, 0.1),
                inset 0 1px 0 rgba(255, 255, 255, 0.1);
            padding: 40px 35px;
            width: 100%;
            max-width: 420px;
            position: relative;
            overflow: hidden;
            animation: containerSlideIn 1s ease-out;
        }
        
        @keyframes containerSlideIn {
            0% {
                opacity: 0;
                transform: translateY(50px) scale(0.9);
            }
            100% {
                opacity: 1;
                transform: translateY(0) scale(1);
            }
        }
        
        .login-container::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, 
                transparent 0%, 
                rgba(30, 60, 114, 0.5) 50%, 
                transparent 100%
            );
        }
        

        
        .brand-header {
            text-align: center;
            margin-bottom: 35px;
            position: relative;
        }
        
        .logo-container {
            margin-bottom: 20px;
            position: relative;
        }
        
        .logo {
            width: 70px;
            height: 70px;
            margin: 0 auto 20px;
            position: relative;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        
        .logo-ring {
            position: absolute;
            width: 100%;
            height: 100%;
            border: 2px solid transparent;
            border-radius: 50%;
            background: linear-gradient(45deg, #1e3c72, #2a5298) padding-box,
                        linear-gradient(45deg, #1e3c72, transparent, #2a5298) border-box;
            animation: logoRotate 8s linear infinite;
        }
        
        .logo-ring::before {
            content: '';
            position: absolute;
            top: -2px;
            left: -2px;
            right: -2px;
            bottom: -2px;
            border-radius: 50%;
            background: linear-gradient(45deg, rgba(30, 60, 114, 0.3), transparent);
            animation: logoRotate 12s linear infinite reverse;
        }
        
        @keyframes logoRotate {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }
        
        .logo-icon {
            position: relative;
            z-index: 2;
            font-size: 28px;
            color: #ffffff;
            text-shadow: 0 0 20px rgba(30, 60, 114, 0.5);
        }
        
        .brand-title {
            font-size: 2.2rem;
            font-weight: 800;
            color: #ffffff;
            margin-bottom: 6px;
            letter-spacing: -1px;
            background: linear-gradient(135deg, #ffffff, #a0a8ff);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            position: relative;
        }
        
        .brand-subtitle {
            font-size: 0.85rem;
            font-weight: 400;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }
        
        .brand-tagline {
            font-size: 0.8rem;
            font-weight: 500;
            color: #1e3c72;
            background: rgba(30, 60, 114, 0.1);
            padding: 6px 16px;
            border-radius: 16px;
            border: 1px solid rgba(30, 60, 114, 0.2);
            display: inline-block;
        }
        
        .back-home-btn {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: rgba(30, 60, 114, 0.2);
            color: #a0a0a0;
            text-decoration: none;
            padding: 0.5rem 1rem;
            border-radius: 8px;
            font-size: 0.85rem;
            font-weight: 500;
            margin-top: 1rem;
            transition: all 0.3s ease;
            border: 1px solid rgba(30, 60, 114, 0.3);
        }
        
        .back-home-btn:hover {
            background: rgba(30, 60, 114, 0.3);
            color: #ffffff;
            transform: translateY(-1px);
            box-shadow: 0 5px 15px rgba(30, 60, 114, 0.2);
        }
        
        .back-home-btn i {
            font-size: 0.8rem;
        }
        

        
        .login-form {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        
        .input-group {
            position: relative;
        }
        
        .input-wrapper {
            position: relative;
            background: rgba(20, 20, 20, 0.8);
            border: 1px solid rgba(30, 60, 114, 0.3);
            border-radius: 16px;
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            overflow: hidden;
        }
        
        .input-wrapper::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(135deg, 
                rgba(30, 60, 114, 0.1) 0%, 
                transparent 50%, 
                rgba(42, 82, 152, 0.1) 100%
            );
            opacity: 0;
            transition: opacity 0.3s ease;
        }
        
        .input-wrapper:focus-within {
            border-color: #1e3c72;
            box-shadow: 
                0 0 0 1px rgba(30, 60, 114, 0.3),
                0 8px 25px rgba(30, 60, 114, 0.15);
            transform: translateY(-2px);
        }
        
        .input-wrapper:focus-within::before {
            opacity: 1;
        }
        
        .form-input {
            width: 100%;
            height: 52px;
            padding: 16px 20px 16px 50px;
            background: transparent;
            border: none;
            color: #ffffff;
            font-size: 15px;
            font-weight: 400;
            outline: none;
            z-index: 1;
            position: relative;
        }
        
        .form-input::placeholder {
            color: rgba(255, 255, 255, 0.4);
            font-weight: 400;
        }
        
        .input-icon {
            position: absolute;
            left: 20px;
            top: 50%;
            transform: translateY(-50%);
            color: rgba(255, 255, 255, 0.5);
            font-size: 16px;
            z-index: 2;
            transition: all 0.3s ease;
        }
        
        .input-wrapper:focus-within .input-icon {
            color: #1e3c72;
            transform: translateY(-50%) scale(1.1);
        }
        
        .password-toggle {
            position: absolute;
            right: 20px;
            top: 50%;
            transform: translateY(-50%);
            background: none;
            border: none;
            color: rgba(255, 255, 255, 0.5);
            cursor: pointer;
            font-size: 16px;
            padding: 8px;
            border-radius: 8px;
            transition: all 0.3s ease;
            z-index: 3;
        }
        
        .password-toggle:hover {
            color: #1e3c72;
            background: rgba(30, 60, 114, 0.1);
        }
        

        
        .form-options {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin: 8px 0;
        }
        
        .checkbox-container {
            display: flex;
            align-items: center;
            cursor: pointer;
            user-select: none;
            transition: all 0.3s ease;
        }
        
        .checkbox-container:hover {
            transform: translateX(2px);
        }
        
        .checkbox-input {
            display: none;
        }
        
        .checkbox-custom {
            width: 18px;
            height: 18px;
            border: 2px solid rgba(255, 255, 255, 0.3);
            border-radius: 5px;
            margin-right: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            position: relative;
            overflow: hidden;
        }
        
        .checkbox-custom::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(135deg, #1e3c72, #2a5298);
            transform: scale(0);
            transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        
        .checkbox-input:checked + .checkbox-custom {
            border-color: #1e3c72;
        }
        
        .checkbox-input:checked + .checkbox-custom::before {
            transform: scale(1);
        }
        
        .checkbox-icon {
            color: white;
            font-size: 10px;
            opacity: 0;
            transition: opacity 0.3s ease;
            z-index: 1;
            position: relative;
        }
        
        .checkbox-input:checked + .checkbox-custom .checkbox-icon {
            opacity: 1;
        }
        
        .checkbox-label {
            color: rgba(255, 255, 255, 0.7);
            font-size: 13px;
            font-weight: 400;
        }
        
        .forgot-link {
            color: rgba(255, 255, 255, 0.6);
            text-decoration: none;
            font-size: 14px;
            font-weight: 500;
            transition: all 0.3s ease;
            position: relative;
        }
        
        .forgot-link::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 1px;
            background: #1e3c72;
            transition: width 0.3s ease;
        }
        
        .forgot-link:hover {
            color: #1e3c72;
        }
        
        .forgot-link:hover::after {
            width: 100%;
        }

        
        .login-btn {
            height: 52px;
            background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
            border: none;
            border-radius: 14px;
            color: white;
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            position: relative;
            overflow: hidden;
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            box-shadow: 
                0 8px 25px rgba(30, 60, 114, 0.3),
                0 0 0 1px rgba(30, 60, 114, 0.2);
            letter-spacing: 0.5px;
        }
        
        .login-btn::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, 
                transparent, 
                rgba(255, 255, 255, 0.2), 
                transparent
            );
            transition: left 0.6s ease;
        }
        
        .login-btn:hover {
            transform: translateY(-3px);
            box-shadow: 
                0 15px 35px rgba(30, 60, 114, 0.4),
                0 0 0 1px rgba(30, 60, 114, 0.3);
            background: linear-gradient(135deg, #1a3461 0%, #245a8a 100%);
        }
        
        .login-btn:hover::before {
            left: 100%;
        }
        
        .login-btn:active {
            transform: translateY(-1px);
        }
        
        .btn-content {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 12px;
            position: relative;
            z-index: 1;
        }
        
        .btn-spinner {
            width: 20px;
            height: 20px;
            border: 2px solid rgba(255, 255, 255, 0.3);
            border-top: 2px solid white;
            border-radius: 50%;
            animation: spin 1s linear infinite;
            display: none;
        }
        
        .login-btn.loading .btn-spinner {
            display: block;
        }
        
        .login-btn.loading .btn-text {
            opacity: 0.8;
        }
        
        @keyframes spin {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }

        
        .message-container {
            padding: 14px 20px;
            border-radius: 10px;
            margin-bottom: 18px;
            font-size: 13px;
            font-weight: 500;
            display: none;
            position: relative;
            border-left: 3px solid;
            animation: messageSlide 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        }
        
        @keyframes messageSlide {
            0% {
                opacity: 0;
                transform: translateX(-20px);
            }
            100% {
                opacity: 1;
                transform: translateX(0);
            }
        }
        
        .message-container.error {
            background: rgba(239, 68, 68, 0.1);
            color: #fca5a5;
            border-left-color: #ef4444;
            border: 1px solid rgba(239, 68, 68, 0.2);
        }
        
        .message-container.success {
            background: rgba(34, 197, 94, 0.1);
            color: #86efac;
            border-left-color: #22c55e;
            border: 1px solid rgba(34, 197, 94, 0.2);
        }
        
        .message-container.info {
            background: rgba(59, 130, 246, 0.1);
            color: #93c5fd;
            border-left-color: #3b82f6;
            border: 1px solid rgba(59, 130, 246, 0.2);
        }
        

        
        .security-section {
            margin-top: 35px;
            text-align: center;
            padding-top: 25px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
        }
        
        .security-badges {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 18px;
            flex-wrap: wrap;
        }
        
        .security-badge {
            display: flex;
            align-items: center;
            gap: 6px;
            color: rgba(255, 255, 255, 0.5);
            font-size: 11px;
            font-weight: 500;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }
        
        .security-icon {
            color: #22c55e;
            font-size: 12px;
            animation: securityPulse 2s ease-in-out infinite;
        }
        
        @keyframes securityPulse {
            0%, 100% { opacity: 0.6; }
            50% { opacity: 1; }
        }
        

        
        @media (max-width: 640px) {
            .login-wrapper {
                padding: 10px;
            }
            
            .login-container {
                padding: 30px 25px;
                border-radius: 16px;
                max-width: 360px;
            }
            
            .brand-title {
                font-size: 1.8rem;
            }
            
            .logo {
                width: 60px;
                height: 60px;
            }
            
            .logo-icon {
                font-size: 22px;
            }
            
            .form-input {
                height: 48px;
                padding: 14px 18px 14px 46px;
                font-size: 14px;
            }
            
            .login-btn {
                height: 48px;
                font-size: 14px;
            }
            
            .input-icon {
                left: 18px;
                font-size: 14px;
            }
            
            .password-toggle {
                right: 18px;
                font-size: 14px;
            }
            
            .brand-header {
                margin-bottom: 25px;
            }
            
            .login-form {
                gap: 16px;
            }
        }
        
        @media (max-width: 480px) {
            .login-container {
                padding: 25px 20px;
                border-radius: 14px;
            }
            
            .brand-title {
                font-size: 1.6rem;
            }
            
            .brand-subtitle {
                font-size: 0.8rem;
            }
            
            .security-badges {
                flex-direction: column;
                gap: 10px;
            }
            
            .security-section {
                margin-top: 25px;
                padding-top: 20px;
            }
            
            .logo {
                width: 50px;
                height: 50px;
            }
            
            .logo-icon {
                font-size: 20px;
            }
        }

        
        .shake-animation {
            animation: shake 0.6s cubic-bezier(0.4, 0, 0.2, 1);
        }
        
        @keyframes shake {
            0%, 100% { transform: translateX(0); }
            25% { transform: translateX(-8px); }
            75% { transform: translateX(8px); }
        }
        
        /* Loading overlay */
        .loading-overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.8);
            display: none;
            align-items: center;
            justify-content: center;
            z-index: 1000;
        }
        
        .loading-content {
            text-align: center;
            color: white;
        }
        
        .loading-spinner-large {
            width: 50px;
            height: 50px;
            border: 3px solid rgba(255, 255, 255, 0.3);
            border-top: 3px solid #1e3c72;
            border-radius: 50%;
            animation: spin 1s linear infinite;
            margin: 0 auto 20px;
        }