body {
            font-family: 'Noto Sans Lao', sans-serif;
            background-color: #f5f3f0;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        
        .auth-container {
            flex: 1;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 1.5rem;
        }
        
        .form-card {
            width: 100%;
            max-width: 450px;
            border-radius: 1rem;
            box-shadow: 0 10px 25px rgba(176, 133, 66, 0.05);
            transition: all 0.3s ease;
            overflow: hidden;
            position: relative;
            background-color: white;
        }
        
        .form-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 30px rgba(176, 133, 66, 0.1);
        }
        
        .form-header {
            background: linear-gradient(135deg, #B08542, #D4A762);
            color: white;
            padding: 1.5rem;
            border-radius: 1rem 1rem 0 0;
            position: relative;
        }
        
        .form-header::after {
            content: '';
            position: absolute;
            bottom: -15px;
            left: 0;
            width: 100%;
            height: 15px;
            background: linear-gradient(135deg, #B08542, #D4A762);
            clip-path: polygon(0 0, 100% 0, 50% 100%);
        }
        
        .form-body {
            padding: 2rem;
        }
        
        .input-group {
            position: relative;
            margin-bottom: 1.5rem;
        }
        
        .floating-label {
            position: absolute;
            pointer-events: none;
            left: 1rem;
            top: 0.75rem;
            transition: all 0.3s ease;
            color: #6B7280;
            opacity: 0.8;
        }
        
        .input-field {
            width: 100%;
            padding: 0.75rem 1rem;
            padding-right: 2.5rem;
            border: 1px solid #D1D5DB;
            border-radius: 0.5rem;
            font-size: 1rem;
            transition: all 0.3s;
        }
        
        .input-field:focus {
            border-color: #B08542;
            box-shadow: 0 0 0 2px rgba(176, 133, 66, 0.2);
            outline: none;
        }
        
        .input-field:focus + .floating-label,
        .input-field:not(:placeholder-shown) + .floating-label {
            top: -0.75rem;
            left: 0.75rem;
            font-size: 0.75rem;
            font-weight: 600;
            background-color: white;
            padding: 0 0.25rem;
            color: #B08542;
        }
        
        .btn-primary {
            background-color: #B08542;
            color: white;
            border: none;
            padding: 0.75rem 1.5rem;
            font-weight: 500;
            border-radius: 0.5rem;
            cursor: pointer;
            transition: all 0.3s;
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            overflow: hidden;
        }
        
        .btn-primary:hover {
            background-color: #96713A;
            transform: translateY(-2px);
            box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
        }
        
        .btn-primary:active {
            transform: translateY(0);
        }
        
        .btn-primary i {
            margin-right: 0.5rem;
        }
        
        .btn-back {
            background-color: transparent;
            color: #B08542;
            border: 1px solid #B08542;
            padding: 0.75rem 1.5rem;
            font-weight: 500;
            border-radius: 0.5rem;
            cursor: pointer;
            transition: all 0.3s;
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        
        .btn-back:hover {
            background-color: rgba(176, 133, 66, 0.05);
        }
        
        .alert {
            padding: 1rem;
            border-radius: 0.5rem;
            margin-bottom: 1.5rem;
            font-size: 0.875rem;
            display: flex;
            align-items: center;
        }
        
        .alert i {
            font-size: 1.25rem;
            margin-right: 0.75rem;
        }
        
        .alert-danger {
            background-color: #FEE2E2;
            border: 1px solid #FECACA;
            color: #B91C1C;
        }
        
        .alert-success {
            background-color: #D1FAE5;
            border: 1px solid #A7F3D0;
            color: #065F46;
        }
        
        .toggle-password {
            position: absolute;
            right: 0.75rem;
            top: 50%;
            transform: translateY(-50%);
            color: #6B7280;
            cursor: pointer;
            padding: 0.25rem;
        }
        
        .toggle-password:hover {
            color: #B08542;
        }
        
        .password-strength {
            height: 4px;
            width: 100%;
            margin-top: 0.5rem;
            background-color: #E5E7EB;
            border-radius: 2px;
            overflow: hidden;
            position: relative;
        }
        
        .password-strength-bar {
            height: 100%;
            border-radius: 2px;
            transition: all 0.3s ease;
            width: 0;
        }
        
        .strength-weak {
            width: 30%;
            background-color: #EF4444;
        }
        
        .strength-medium {
            width: 60%;
            background-color: #F59E0B;
        }
        
        .strength-strong {
            width: 100%;
            background-color: #10B981;
        }
        
        .password-strength-text {
            font-size: 0.75rem;
            margin-top: 0.25rem;
            display: flex;
            align-items: center;
        }
        
        .password-strength-text i {
            margin-right: 0.25rem;
        }
        
        .text-weak {
            color: #EF4444;
        }
        
        .text-medium {
            color: #F59E0B;
        }
        
        .text-strong {
            color: #10B981;
        }
        
        .loading-spinner {
            display: none;
            width: 1.5rem;
            height: 1.5rem;
            border: 2px solid rgba(255, 255, 255, 0.3);
            border-radius: 50%;
            border-top-color: white;
            animation: spin 1s linear infinite;
            position: absolute;
        }
        
        @keyframes spin {
            to {
                transform: rotate(360deg);
            }
        }
        
        .btn-primary.loading .btn-text {
            visibility: hidden;
        }
        
        .btn-primary.loading .loading-spinner {
            display: block;
        }
        
        .success-checkmark {
            width: 80px;
            height: 80px;
            margin: 0 auto;
            position: relative;
            animation: checkmark-appear 0.8s ease-in-out forwards;
        }
        
        @keyframes checkmark-appear {
            0% {
                transform: scale(0);
                opacity: 0;
            }
            50% {
                transform: scale(1.2);
            }
            100% {
                transform: scale(1);
                opacity: 1;
            }
        }
        
        .check-circle {
            stroke-dasharray: 166;
            stroke-dashoffset: 166;
            stroke-width: 2;
            stroke-miterlimit: 10;
            stroke: #10B981;
            fill: none;
            animation: stroke 0.6s cubic-bezier(0.65, 0, 0.45, 1) forwards;
        }
        
        .check-icon {
            transform-origin: 50% 50%;
            stroke-dasharray: 48;
            stroke-dashoffset: 48;
            animation: stroke 0.3s cubic-bezier(0.65, 0, 0.45, 1) 0.8s forwards;
        }
        
        @keyframes stroke {
            100% {
                stroke-dashoffset: 0;
            }
        }
        
        .ripple {
            position: absolute;
            border-radius: 50%;
            background-color: rgba(255, 255, 255, 0.4);
            transform: scale(0);
            animation: ripple 0.6s linear;
        }
        
        @keyframes ripple {
            to {
                transform: scale(2.5);
                opacity: 0;
            }
        }
        
        /* Responsive layout adjustments */
        @media (max-width: 640px) {
            .auth-container {
                padding: 1rem;
            }
            
            .form-body {
                padding: 1.5rem;
            }
            
            .form-header {
                padding: 1.25rem;
            }
        }

        .header-logo {
            height: 40px;
            width: auto;
        }
        
        .mobile-header {
            display: flex;
            justify-content: center;
            align-items: center;
            padding: 0.75rem;
            background-color: white;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
        }
        
        @media (min-width: 640px) {
            .mobile-header {
                display: none;
            }
        }