:root {
            --primary-color: #1e40af;
            --primary-dark: #1e3a8a;
            --primary-light: #3b82f6;
            --secondary-color: #059669;
            --accent-color: #f59e0b;
            --text-primary: #1f2937;
            --text-secondary: #6b7280;
            --background-primary: #f8fafc;
            --background-secondary: #ffffff;
            --border-color: #e5e7eb;
            --border-focus: #3b82f6;
            --error-color: #dc2626;
            --success-color: #059669;
            --warning-color: #f59e0b;
            --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
            --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
            --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 20px;
            position: relative;
            overflow-x: hidden;
        }

        body::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
            pointer-events: none;
        }

        .floating-shapes {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            overflow: hidden;
            pointer-events: none;
            z-index: 0;
        }

        .shape {
            position: absolute;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 50%;
            animation: float 6s ease-in-out infinite;
        }

        .shape:nth-child(1) {
            width: 80px;
            height: 80px;
            top: 20%;
            left: 10%;
            animation-delay: 0s;
        }

        .shape:nth-child(2) {
            width: 120px;
            height: 120px;
            top: 60%;
            right: 10%;
            animation-delay: 2s;
        }

        .shape:nth-child(3) {
            width: 60px;
            height: 60px;
            bottom: 20%;
            left: 20%;
            animation-delay: 4s;
        }

        @keyframes float {

            0%,
            100% {
                transform: translateY(0px) rotate(0deg);
            }

            50% {
                transform: translateY(-20px) rotate(180deg);
            }
        }

        .login-container {
            width: 100%;
            max-width: 440px;
            position: relative;
            z-index: 1;
            animation: slideUp 0.8s ease-out;
        }

        @keyframes slideUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }

            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .login-card {
            background: var(--background-secondary);
            border-radius: 20px;
            box-shadow: var(--shadow-xl);
            overflow: hidden;
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.2);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }

        .login-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
        }

        .login-header {
            background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
            padding: 40px 40px 30px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .login-header::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
            animation: shimmer 3s ease-in-out infinite;
        }

        @keyframes shimmer {

            0%,
            100% {
                transform: rotate(0deg);
            }

            50% {
                transform: rotate(180deg);
            }
        }

        .bank-logo {
            width: 80px;
            height: 80px;
            background: var(--background-secondary);
            border-radius: 50%;
            margin: 0 auto 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: var(--shadow-lg);
            position: relative;
            z-index: 2;
            transition: transform 0.3s ease;
        }

        .bank-logo:hover {
            transform: scale(1.05);
        }

        .bank-logo i {
            font-size: 36px;
            color: var(--primary-color);
        }

        .bank-title {
            color: white;
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 8px;
            position: relative;
            z-index: 2;
            line-height: 1.4;
        }

        .bank-subtitle {
            color: rgba(255, 255, 255, 0.9);
            font-size: 14px;
            font-weight: 400;
            position: relative;
            z-index: 2;
        }

        .login-body {
            padding: 40px;
        }

        .security-badge {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: rgba(5, 150, 105, 0.1);
            color: var(--success-color);
            padding: 12px 20px;
            border-radius: 12px;
            margin-bottom: 30px;
            font-size: 14px;
            font-weight: 500;
            border: 1px solid rgba(5, 150, 105, 0.2);
            animation: pulse 2s infinite;
        }

        @keyframes pulse {

            0%,
            100% {
                transform: scale(1);
            }

            50% {
                transform: scale(1.02);
            }
        }

        .security-badge i {
            font-size: 16px;
        }

        .form-group {
            position: relative;
            margin-bottom: 24px;
        }

        .form-label {
            display: block;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-primary);
            margin-bottom: 8px;
            transition: color 0.3s ease;
        }

        .input-wrapper {
            position: relative;
        }

        .form-input {
            width: 100%;
            padding: 16px 20px;
            padding-left: 50px;
            font-size: 16px;
            border: 2px solid var(--border-color);
            border-radius: 12px;
            background: var(--background-secondary);
            color: var(--text-primary);
            transition: all 0.3s ease;
            outline: none;
        }

        .form-input:focus {
            border-color: var(--border-focus);
            box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
            transform: translateY(-1px);
        }

        .form-input:focus+.input-icon {
            color: var(--border-focus);
            transform: translateY(-50%) scale(1.1);
        }

        .form-input.error {
            border-color: var(--error-color);
            box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.1);
            animation: shake 0.5s ease-in-out;
        }

        .form-input.success {
            border-color: var(--success-color);
            box-shadow: 0 0 0 3px rgba(5, 150, 105, 0.1);
        }

        .input-icon {
            position: absolute;
            left: 18px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-secondary);
            font-size: 18px;
            transition: all 0.3s ease;
        }

        .password-toggle {
            position: absolute;
            right: 18px;
            top: 50%;
            transform: translateY(-50%);
            background: none;
            border: none;
            color: var(--text-secondary);
            cursor: pointer;
            font-size: 18px;
            padding: 4px;
            border-radius: 4px;
            transition: all 0.3s ease;
        }

        .password-toggle:hover {
            color: var(--primary-color);
            background: rgba(59, 130, 246, 0.1);
            transform: translateY(-50%) scale(1.1);
        }

        .password-strength {
            margin-top: 8px;
            height: 4px;
            background: var(--border-color);
            border-radius: 2px;
            overflow: hidden;
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .password-strength.visible {
            opacity: 1;
        }

        .strength-bar {
            height: 100%;
            width: 0%;
            transition: all 0.3s ease;
            border-radius: 2px;
        }

        .strength-weak {
            background: var(--error-color);
            width: 25%;
        }

        .strength-fair {
            background: var(--warning-color);
            width: 50%;
        }

        .strength-good {
            background: var(--primary-color);
            width: 75%;
        }

        .strength-strong {
            background: var(--success-color);
            width: 100%;
        }

        .error-message {
            color: var(--error-color);
            font-size: 13px;
            margin-top: 6px;
            display: flex;
            align-items: center;
            gap: 6px;
            opacity: 0;
            transform: translateY(-10px);
            animation: slideDown 0.3s ease forwards;
        }

        @keyframes slideDown {
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .caps-warning {
            background: rgba(245, 158, 11, 0.1);
            color: var(--accent-color);
            padding: 8px 12px;
            border-radius: 8px;
            font-size: 13px;
            margin-top: 6px;
            display: none;
            align-items: center;
            gap: 6px;
            border: 1px solid rgba(245, 158, 11, 0.2);
            animation: slideDown 0.3s ease;
        }

        .remember-forgot {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 30px;
        }

        .remember-me {
            display: flex;
            align-items: center;
            gap: 8px;
            cursor: pointer;
            transition: transform 0.2s ease;
        }

        .remember-me:hover {
            transform: translateX(2px);
        }

        .remember-me input[type="checkbox"] {
            width: 18px;
            height: 18px;
            accent-color: var(--primary-color);
            cursor: pointer;
        }

        .remember-me label {
            font-size: 14px;
            color: var(--text-secondary);
            cursor: pointer;
        }

        .forgot-password {
            color: var(--primary-color);
            text-decoration: none;
            font-size: 14px;
            font-weight: 500;
            transition: all 0.3s ease;
            position: relative;
        }

        .forgot-password::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--primary-color);
            transition: width 0.3s ease;
        }

        .forgot-password:hover::after {
            width: 100%;
        }

        .forgot-password:hover {
            color: var(--primary-dark);
        }

        .login-button {
            width: 100%;
            background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
            color: white;
            border: none;
            padding: 16px 24px;
            font-size: 16px;
            font-weight: 600;
            border-radius: 12px;
            cursor: pointer;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-md);
        }

        .login-button::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 0.5s ease;
        }

        .login-button:hover::before {
            left: 100%;
        }

        .login-button:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-lg);
        }

        .login-button:active {
            transform: translateY(0);
        }

        .login-button.loading {
            pointer-events: none;
            opacity: 0.8;
        }

        .button-text {
            transition: opacity 0.3s ease;
            position: relative;
            z-index: 2;
        }

        .loading-spinner {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            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;
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .login-button.loading .button-text {
            opacity: 0;
        }

        .login-button.loading .loading-spinner {
            opacity: 1;
        }

        @keyframes spin {
            0% {
                transform: translate(-50%, -50%) rotate(0deg);
            }

            100% {
                transform: translate(-50%, -50%) rotate(360deg);
            }
        }

        .login-footer {
            padding: 20px 40px;
            background: rgba(248, 250, 252, 0.5);
            border-top: 1px solid var(--border-color);
            text-align: center;
        }

        .footer-text {
            font-size: 13px;
            color: var(--text-secondary);
            margin-bottom: 8px;
        }

        .security-features {
            display: flex;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap;
        }

        .security-feature {
            display: flex;
            align-items: center;
            gap: 4px;
            font-size: 12px;
            color: var(--text-secondary);
            transition: color 0.3s ease;
        }

        .security-feature:hover {
            color: var(--success-color);
        }

        .security-feature i {
            color: var(--success-color);
        }

        .session-timeout {
            position: fixed;
            top: 20px;
            right: 20px;
            background: rgba(245, 158, 11, 0.1);
            color: var(--warning-color);
            padding: 12px 16px;
            border-radius: 8px;
            font-size: 14px;
            border: 1px solid rgba(245, 158, 11, 0.2);
            display: none;
            align-items: center;
            gap: 8px;
            z-index: 1000;
            animation: slideInRight 0.3s ease;
        }

        @keyframes slideInRight {
            from {
                opacity: 0;
                transform: translateX(100%);
            }

            to {
                opacity: 1;
                transform: translateX(0);
            }
        }

        /* Mobile Responsiveness */
        @media (max-width: 480px) {
            body {
                padding: 10px;
            }

            .login-header {
                padding: 30px 20px 20px;
            }

            .bank-title {
                font-size: 16px;
            }

            .login-body {
                padding: 30px 20px;
            }

            .login-footer {
                padding: 15px 20px;
            }

            .security-features {
                gap: 15px;
            }

            .remember-forgot {
                flex-direction: column;
                gap: 15px;
                align-items: stretch;
            }

            .forgot-password {
                text-align: center;
            }

            .session-timeout {
                top: 10px;
                right: 10px;
                left: 10px;
                font-size: 13px;
            }
        }

        /* Animation for form validation */
        .shake {
            animation: shake 0.5s ease-in-out;
        }

        @keyframes shake {

            0%,
            100% {
                transform: translateX(0);
            }

            25% {
                transform: translateX(-5px);
            }

            75% {
                transform: translateX(5px);
            }
        }

        /* Dark mode support */
        @media (prefers-color-scheme: dark) {
            :root {
                --text-primary: #f9fafb;
                --text-secondary: #d1d5db;
                --background-secondary: #1f2937;
                --border-color: #374151;
            }
        }

        /* Accessibility improvements */
        @media (prefers-reduced-motion: reduce) {

            *,
            *::before,
            *::after {
                animation-duration: 0.01ms !important;
                animation-iteration-count: 1 !important;
                transition-duration: 0.01ms !important;
            }
        }

        /* Focus indicators for keyboard navigation */
        .login-button:focus,
        .form-input:focus,
        .password-toggle:focus,
        .forgot-password:focus,
        .remember-me:focus-within {
            outline: 2px solid var(--primary-color);
            outline-offset: 2px;
        }

        .demo-notice {
            position: fixed;
            top: 10px;
            left: 10px;
            background: rgba(59, 130, 246, 0.1);
            color: var(--primary-color);
            padding: 8px 12px;
            border-radius: 8px;
            font-size: 12px;
            border: 1px solid rgba(59, 130, 246, 0.2);
            z-index: 1000;
        }