body {
            font-family: 'Inter', sans-serif;
            background: #fafafa;
            min-height: 100vh;
            margin: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            overflow-x: hidden;
        }

        /* Split Screen Layout */
        .login-container {
            display: flex;
            width: 100%;
            max-width: 1200px;
            min-height: 600px;
            background: #ffffff;
            border-radius: 24px;
            overflow: hidden;
            box-shadow: 0 20px 80px rgba(0, 0, 0, 0.08);
            position: relative;
            z-index: 2;
            animation: containerEntrance 1s cubic-bezier(0.34, 1.56, 0.64, 1);
        }

        @keyframes containerEntrance {
            0% {
                opacity: 0;
                transform: scale(0.9) translateY(30px);
            }
            100% {
                opacity: 1;
                transform: scale(1) translateY(0);
            }
        }

        /* Left Side - Image/Brand */
        .left-panel {
            flex: 1;
            background: #dc2626;
            padding: 3rem;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            position: relative;
            overflow: hidden;
        }

        .left-panel::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: repeating-linear-gradient(
                45deg,
                transparent,
                transparent 10px,
                rgba(255, 255, 255, 0.03) 10px,
                rgba(255, 255, 255, 0.03) 20px
            );
            animation: patternMove 20s linear infinite;
        }

        @keyframes patternMove {
            0% {
                transform: translate(0, 0);
            }
            100% {
                transform: translate(50px, 50px);
            }
        }

        .brand-content {
            position: relative;
            z-index: 1;
            text-align: center;
        }

        .brand-logo-circle {
            width: 120px;
            height: 120px;
            background: rgba(255, 255, 255, 0.15);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 2rem;
            border: 3px solid rgba(255, 255, 255, 0.3);
            animation: logoFloat 3s ease-in-out infinite;
            backdrop-filter: blur(10px);
        }

        @keyframes logoFloat {
            0%, 100% {
                transform: translateY(0);
            }
            50% {
                transform: translateY(-10px);
            }
        }

        .brand-logo-circle img {
            width: 80%;
            height: 80%;
            object-fit: contain;
            border-radius: 50%;
        }

        .brand-title-left {
            color: #ffffff;
            font-size: 2.5rem;
            font-weight: 800;
            margin-bottom: 1rem;
            text-shadow: 0 2px 20px rgba(0, 0, 0, 0.2);
            animation: titleSlide 0.8s ease-out 0.3s both;
        }

        @keyframes titleSlide {
            0% {
                opacity: 0;
                transform: translateX(-30px);
            }
            100% {
                opacity: 1;
                transform: translateX(0);
            }
        }

        .brand-subtitle-left {
            color: rgba(255, 255, 255, 0.9);
            font-size: 1.125rem;
            font-weight: 400;
            line-height: 1.6;
            animation: subtitleFade 0.8s ease-out 0.5s both;
        }

        @keyframes subtitleFade {
            0% {
                opacity: 0;
            }
            100% {
                opacity: 1;
            }
        }

        .decorative-dots {
            position: absolute;
            bottom: 2rem;
            left: 50%;
            transform: translateX(-50%);
            display: flex;
            gap: 0.5rem;
        }

        .decorative-dots span {
            width: 8px;
            height: 8px;
            background: rgba(255, 255, 255, 0.4);
            border-radius: 50%;
            animation: dotPulse 1.5s ease-in-out infinite;
        }

        .decorative-dots span:nth-child(2) {
            animation-delay: 0.2s;
        }

        .decorative-dots span:nth-child(3) {
            animation-delay: 0.4s;
        }

        @keyframes dotPulse {
            0%, 100% {
                opacity: 0.4;
                transform: scale(1);
            }
            50% {
                opacity: 1;
                transform: scale(1.3);
            }
        }

        /* Right Side - Form */
        .right-panel {
            flex: 1;
            padding: 3rem;
            display: flex;
            flex-direction: column;
            justify-content: center;
            background: #ffffff;
        }

        .form-header {
            margin-bottom: 2.5rem;
            animation: formHeaderSlide 0.8s ease-out 0.4s both;
        }

        @keyframes formHeaderSlide {
            0% {
                opacity: 0;
                transform: translateY(-20px);
            }
            100% {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .form-header h2 {
            font-size: 2rem;
            font-weight: 700;
            color: #111827;
            margin-bottom: 0.5rem;
        }

        .form-header p {
            color: #6b7280;
            font-size: 0.9375rem;
        }

        /* Background Decoration */
        .background-decoration {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image:
                radial-gradient(circle at 20% 80%, rgba(220, 38, 38, 0.03) 0%, transparent 50%),
                radial-gradient(circle at 80% 20%, rgba(220, 38, 38, 0.05) 0%, transparent 50%);
            background-size: 800px 800px;
            opacity: 0.6;
            animation: backgroundPulse 15s ease-in-out infinite;
            z-index: 0;
        }

        @keyframes backgroundPulse {
            0%, 100% {
                transform: scale(1);
                opacity: 0.6;
            }
            50% {
                transform: scale(1.05);
                opacity: 0.8;
            }
        }

        .form-group {
            margin-bottom: 1.5rem;
            position: relative;
            animation: inputSlide 0.6s ease-out both;
        }

        .form-group:nth-child(1) {
            animation-delay: 0.5s;
        }

        .form-group:nth-child(2) {
            animation-delay: 0.6s;
        }

        .form-group:nth-child(3) {
            animation-delay: 0.7s;
        }

        @keyframes inputSlide {
            0% {
                opacity: 0;
                transform: translateX(-20px);
            }
            100% {
                opacity: 1;
                transform: translateX(0);
            }
        }

        .form-control {
            width: 100%;
            padding: 0.875rem 1rem;
            border: 2px solid #d1d5db;
            border-radius: 8px;
            font-size: 1rem;
            font-weight: 400;
            background-color: #ffffff;
            transition: all 0.2s ease;
            color: #374151;
        }

        .form-control:focus {
            outline: none;
            border-color: #dc2626;
            box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.1);
            background-color: #ffffff;
        }

        .form-control::placeholder {
            color: #9ca3af;
        }

        .input-icon {
            position: absolute;
            right: 0.875rem;
            top: 50%;
            transform: translateY(-50%);
            color: #9ca3af;
            font-size: 1rem;
            pointer-events: none;
            transition: color 0.2s ease;
        }

        .form-control:focus+.input-icon {
            color: #dc2626;
        }

        .password-toggle {
            position: absolute;
            right: 0.875rem;
            top: 50%;
            transform: translateY(-50%);
            color: #9ca3af;
            font-size: 1rem;
            cursor: pointer;
            transition: color 0.2s ease;
            background: none;
            border: none;
            padding: 0;
        }

        .password-toggle:hover {
            color: #dc2626;
        }

        .form-options {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 2rem;
        }

        .form-check {
            margin: 0;
        }

        .form-check-input {
            width: 1rem;
            height: 1rem;
            border: 2px solid #d1d5db;
            border-radius: 4px;
            background-color: #ffffff;
            transition: all 0.2s ease;
            margin-top: 0;
        }

        .form-check-input:checked {
            background-color: #dc2626;
            border-color: #dc2626;
        }

        .form-check-input:focus {
            box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.1);
        }

        .form-check-label {
            color: #4b5563;
            font-weight: 500;
            margin-left: 0.5rem;
            cursor: pointer;
            font-size: 0.875rem;
        }

        .forgot-link {
            color: #dc2626;
            text-decoration: none;
            font-weight: 500;
            font-size: 0.875rem;
            transition: color 0.2s ease;
        }

        .forgot-link:hover {
            color: #b91c1c;
            text-decoration: underline;
        }

        .btn-login {
            width: 100%;
            padding: 0.875rem 1rem;
            background-color: #dc2626;
            border: none;
            border-radius: 8px;
            color: white;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.2s ease;
            position: relative;
            overflow: hidden;
        }

        .btn-login::before {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            width: 0;
            height: 0;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.3);
            transform: translate(-50%, -50%);
            transition: width 0.6s, height 0.6s;
        }

        .btn-login:hover::before {
            width: 300px;
            height: 300px;
        }

        .btn-login:hover {
            background-color: #b91c1c;
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(220, 38, 38, 0.4);
        }

        .btn-login:active {
            transform: translateY(0);
            background-color: #991b1b;
        }

        .btn-login:disabled {
            opacity: 0.6;
            cursor: not-allowed;
            transform: none;
            background-color: #dc2626;
        }

        .btn-login span {
            position: relative;
            z-index: 1;
        }

        .alert {
            border-radius: 8px;
            border: none;
            margin-bottom: 1.5rem;
            padding: 0.875rem 1rem;
            font-size: 0.875rem;
        }

        .alert-info {
            background-color: #eff6ff;
            color: #1e40af;
            border-left: 4px solid #3b82f6;
        }

        .alert-warning {
            background-color: #fef3c7;
            color: #92400e;
            border-left: 4px solid #f59e0b;
        }

        .invalid-feedback {
            color: #dc2626;
            font-size: 0.75rem;
            margin-top: 0.5rem;
            display: block;
        }

        .floating-shapes {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            pointer-events: none;
            z-index: 1;
        }

        .floating-shapes div {
            position: absolute;
            width: 4px;
            height: 4px;
            background-color: #dc2626;
            border-radius: 50%;
            animation: gentleFloat 8s ease-in-out infinite;
            opacity: 0.2;
            box-shadow: 0 0 10px rgba(220, 38, 38, 0.3);
        }

        .floating-shapes div:nth-child(1) {
            top: 15%;
            left: 8%;
            animation-delay: 0s;
        }

        .floating-shapes div:nth-child(2) {
            top: 70%;
            right: 12%;
            animation-delay: 3s;
        }

        .floating-shapes div:nth-child(3) {
            bottom: 25%;
            left: 15%;
            animation-delay: 6s;
        }

        .floating-shapes div:nth-child(4) {
            top: 35%;
            right: 20%;
            animation-delay: 2s;
        }

        .floating-shapes div:nth-child(5) {
            bottom: 15%;
            right: 25%;
            animation-delay: 5s;
        }

        @keyframes gentleFloat {

            0%,
            100% {
                transform: translateY(0px);
                opacity: 0.2;
            }

            50% {
                transform: translateY(-20px);
                opacity: 0.5;
            }
        }

        /* Pulse animation for alerts */
        .alert {
            animation: alertSlideIn 0.5s ease-out;
        }

        @keyframes alertSlideIn {
            0% {
                opacity: 0;
                transform: translateY(-10px);
            }
            100% {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* Form input focus animation */
        .form-control {
            position: relative;
        }

        .form-group::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            width: 0;
            height: 2px;
            background: #dc2626;
            transform: translateX(-50%);
            transition: width 0.3s ease;
        }

        .form-group:focus-within::after {
            width: 100%;
        }

        @media (max-width: 768px) {
            .login-container {
                flex-direction: column;
                max-width: 95%;
                margin: 1rem;
            }

            .left-panel {
                min-height: 250px;
                padding: 2rem;
            }

            .brand-logo-circle {
                width: 80px;
                height: 80px;
                margin-bottom: 1rem;
            }

            .brand-title-left {
                font-size: 1.75rem;
            }

            .brand-subtitle-left {
                font-size: 0.9375rem;
            }

            .right-panel {
                padding: 2rem 1.5rem;
            }

            .form-header h2 {
                font-size: 1.5rem;
            }
        }

        /* Focus states for better accessibility */
        .form-control:focus,
        .form-check-input:focus,
        .btn-login:focus {
            outline: 2px solid #dc2626;
            outline-offset: 2px;
        }