* { margin: 0; padding: 0; box-sizing: border-box; }
        
        body {
            font-family: 'Montserrat', sans-serif;
            background: linear-gradient(135deg, #0E924A 0%, #0a7a3d 50%, #065a2b 100%);
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 20px;
            position: relative;
            overflow-x: hidden;
        }

        .bg-animation {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            z-index: 0;
            pointer-events: none;
            overflow: hidden;
        }

        .bubble {
            position: absolute;
            bottom: -50px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.1);
            animation: floatUp linear infinite;
        }

        @keyframes floatUp {
            0% { transform: translateY(0) scale(0.3); opacity: 0; }
            50% { opacity: 0.6; }
            100% { transform: translateY(-100vh) scale(1); opacity: 0; }
        }

        .login-container {
            background: white;
            border-radius: 20px;
            padding: 40px 30px;
            width: 100%;
            max-width: 450px;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
            border-top: 5px solid #0E924A;
            position: relative;
            z-index: 10;
            animation: slideUp 0.6s ease-out;
        }

        @keyframes slideUp {
            from { opacity: 0; transform: translateY(30px); }
            to { opacity: 1; transform: translateY(0); }
        }

        .logo-area { text-align: center; margin-bottom: 30px; }
        .logo-area img { max-width: 180px; height: auto; }
        .logo-area h2 { color: #0E924A; font-weight: 800; margin-top: 15px; font-size: 24px; }
        .logo-area p { color: #6c757d; font-size: 14px; font-weight: 600; }
        
        .form-control {
            border: 2px solid #e9ecef;
            border-radius: 10px;
            padding: 12px 15px 12px 45px;
            font-size: 15px;
            transition: all 0.3s;
            font-family: 'Montserrat', sans-serif;
            width: 100%;
        }

        .form-control:focus {
            border-color: #0E924A;
            box-shadow: 0 0 0 3px rgba(14, 146, 74, 0.15);
            outline: none;
        }

        .input-wrapper { position: relative; width: 100%; }
        .input-icon {
            position: absolute;
            left: 15px;
            top: 50%;
            transform: translateY(-50%);
            color: #0E924A;
            font-size: 16px;
            z-index: 2;
            pointer-events: none;
        }

        .form-group { margin-bottom: 20px; width: 100%; }
        .form-group label {
            display: block;
            color: #495057;
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 8px;
        }

        .btn-opt {
            background: linear-gradient(135deg, #0E924A 0%, #0a7a3d 100%);
            border: none;
            color: white;
            font-weight: 700;
            padding: 14px;
            border-radius: 10px;
            width: 100%;
            font-size: 16px;
            transition: all 0.3s;
            cursor: pointer;
            margin-top: 10px;
            font-family: 'Montserrat', sans-serif;
        }

        .btn-opt:hover { 
            transform: translateY(-2px); 
            box-shadow: 0 8px 20px rgba(14, 146, 74, 0.4);
        }
        
        .back-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: rgba(255,255,255,0.9);
            text-decoration: none;
            margin-top: 25px;
            font-weight: 600;
            font-size: 14px;
            transition: color 0.3s;
            position: relative;
            z-index: 10;
        }

        .back-link:hover { color: white; text-decoration: none; }

        .extra-links { margin-top: 20px; text-align: center; }
        .extra-links a {
            color: #0E924A;
            text-decoration: none;
            font-size: 14px;
            font-weight: 600;
        }

        .extra-links a:hover { color: #0a7a3d; text-decoration: underline; }

        @media (max-width: 480px) {
            .login-container { padding: 30px 20px; }
        }